Abstract: A process and apparatus for refining iron from high-phosphorus content iron ores. The process involves mixing a high-phosphorus iron oxide ore and an alkaline solution of pH between about 12.5 and 13.5, screening the mixture by gravity to separate an alkaline-high-phosphorus solution from a low-phosphorus iron ore; and treating the low-phosphorus iron ore with lime and a natural gas.

Abstract: A system for the removal of vitreous humor and other fluids from an eye and the reinjection of filtered vitreous humor into the eye is provided. The system comprises a hollow removal device, a filter, and an infusion device. The removal device includes an element configured to cut the vitreous humor and is configured to aspirate the vitreous humor from the eye. The filter is configured to create a filtered form of vitreous humor by separating the vitreous humor from undesired components in the vitreous humor. The infusion device is fluidly coupled to the filter and is configured to return the filtered form of vitreous humor into the eye.

Abstract: A filter apparatus has a housing, an inlet port on one side of the housing and an outlet port on an opposed side of the housing. Sheet media is disposed in the housing having a first opening through the sheet media. Also dispersed in the housing is a bag media comprising an enclosed bag with a second opening into the bag. The first opening and the second opening are connected in fluid communication with each other and the sheet media is disposed before the bag media in the direction of flow through the housing so that both media are mounted inside the housing. Some fluid entering the inlet passes through both openings and through the bag media and into the outlet, and other fluid entering the inlet passes through the sheet media and then to the outlet.

Abstract: Methods and apparatus are disclosed for capturing and removing oil from a body of water with equipment using rod and film technology, which includes a streamlined oil tank that moves in the water and collects surface oil from an attached skimmer, arrays of inverted funnels lowered into the water to concentrate oil for removal, and containment tents to capture leaking fuel or cargo oil from a sunken ship or any underwater oil leak and channel it into a partially submerged rod and film storage tank at the surface.

Abstract: A method enhancing biological digestion of wastewater sludge is provided. The method uses chlorine dioxide to accelerate and improve the efficiency of aerobic or anaerobic digestion.

Abstract: A system and process for removing hydrocarbons and divalent cations from a rich MEG feed stream is presented. A hydrocarbon removal bed containing a solid adsorbent material adsorbs the hydrocarbons in the rich MEG feed stream as it passes through the hydrocarbon removal bed. After the hydrocarbons have been removed, the rich MEG feed stream flows through an ion exchange bed containing an ion exchange resin in order to remove divalent cations. The rich MEG feed stream then flows through a flash separator and a distillation column to reclaim MEG. Spent solid adsorbent material in the hydrocarbon removal beds and spent ion exchange resin in the ion exchange beds may be regenerated in place using by-products of the MEG reclamation process.

Abstract: A water treatment system provides treated water to a point of use by removing at least a portion of any hardness-causing species contained in water from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatment system typically receives water from the water source or a point of entry and purifies the water containing at least some undesirable species before delivering the treated water to a point of use. The water treatment system has a pressurized reservoir system in line with an electrochemical device such as an electrodeionization device. The water treatment system can have a controller for adjusting or regulating at least one operating parameter of the treatment system or a component of the water treatment system. The electrochemical device can be operated at a low current and low flow rate to minimize water splitting or polarization, which minimizes scale formation.

Abstract: An apparatus includes a filtration skid configured to generate a filtrate through at least one of microfiltration and ultrafiltration. The apparatus further includes a desalination skid fluidly connected to the filtration skid. The desalination skid is configured to perform reverse osmosis desalination on the filtrate to generate a permeate, where the filtrate travels from the filtration skid to the desalination skid without traversing a storage tank. In one embodiment, the apparatus further comprises a controller, where the filtration skid and the desalination skid are integrated to provide self-adaptive operation of the filtration skid and the desalination skid in response to control by at least one of a supervisory controller and a local controller. In one embodiment, the control responds to at least one of temporal variability of feed water quality, a permeate production capacity target, and a permeate quality target.

Abstract: In a sewage disposal system, a de-nitrification station is configured as a heap of foam cubes located in an airtight enclosure from which oxygen is excluded. Carbon is added to the incoming nitrified water. The heap of foam cubes is arranged as a free-draining trickle filter, but here under asphyxiant conditions in the enclosure. Anaerobic microbiological reactions reduce the nitrate to nitrogen gas. Effluent from the de-nitrifier is polished by feeding back a fraction of the effluent through the aeration station from which the nitrate water is derived, or a separate polishing station can be provided.

Abstract: Methods and apparatus relate to treating fluid to at least reduce selenium content within the fluid. The treating includes conditioning stages to alter a composition of the fluid prior to removal of the selenium content from the fluid. The composition of the fluid after the conditioning stages facilitates the removal of the selenium content or at least limits detrimental impact to selenium removal efficiency.

Abstract: A sewage treatment apparatus includes a membrane separation active-sludge treating section which performs a biological treatment on a part of sewage, which is introduced by a water introducing section while flowing through a sewer trunk line, to generate first treated sewage; a membrane highly treating section which performs a membrane high treatment on the first treated sewage to generate second treated sewage; a membrane treating tank which stores the first treated sewage; a membrane highly treating tank which stores the second treated sewage; water level sensors which respectively measure water level of the membrane treating tank and the membrane highly treating tank; and a power-control section which controls water introducing quantity of the water introducing section on the basis of the water level data measured by the water level sensors.

Abstract: This disclosure describes a filtration system and method for removing soap from diesel fuel. The removal involves passing fuel through the filtration system.

Abstract: An apparatus and a method for an ozone-based treatment of polluted water are disclosed. The apparatus and the method generally comprise three stages. The first stage is an ozone treatment stage wherein the polluted water is treated with ozone gas. The second stage is a gas-liquid separation stage wherein excess non-dissolved gases, from the ozone treatment stage, are removed from the water whereby the water exiting the gas-liquid separation stage is substantially saturated with dissolved gases and substantially free of non-dissolved gases. The last stage is a membrane filtration stage wherein the gas-saturated water generally undergoes micro-filtration or ultra-filtration. Microbubbles formed during this final stage generally prevent the accumulation of particles and pollutants on the surface of the membranes and/or inside the openings or pores thereof; thereby acting as a self-cleaning mechanism for the membrane filter.

Abstract: The invention relates to a method for wastewater treatment utilizing an anaerobic treatment of primary sludge (PS) in a septic tank (5), and a separate treatment of excess sludge (ÜS). The excess sludge (ÜS) is separated from the primary sludge (PS) before the anaerobic treatment, solubilized in a hydrolysis treatment and liquefied, and subjected to a separate anaerobic treatment independently of the primary sludge (PS).

Abstract: A filtration system and methods for using same are disclosed. The filtration system can include a frame, and a plurality of filters coupled to the frame and coupled to each other in series. A pump can provide a pressure differential that causes fluid to flow through the filters in series. The first filter can be provided as a pre-filter, and one or more additional filters can include pleated, calendared, micro-fiber filters. Another filter can be a percentage removal nano-filter that is adapted to remove sub-micron particles from the fluid. The nano-filter can include three pleated filter layers. Each pleated filter layer can be oriented approximately concentrically about a common longitudinal axis.

Abstract: Various embodiments described herein provide methods and apparatus for producing purified water from sea water or some other salty or brackish water source by using brackish concentrate mixed with salty water. The various embodiments also provide methods and apparatus for the treatment of toxicity of brackish concentrate, which brackish concentrate exhibits on aquatic life inhabiting the area of discharge of the brackish concentrate, as well as a method for environmentally safe disposal of brackish concentrate.

Abstract: A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduces oxygen demand of a portion of the sludge from the sorption tank.

Abstract: A reaction product of silicious material, aluminum metal, and an aqueous solution is disclosed. The reaction product may be used to form a sorbent that is used to purify water of contaminants such as biological matter, dyes, soluble metals, arsenic, or radioactive elements. Additives may be added to the reaction product to further improve the sorption qualities of the sorbent. Water purification devices having the sorbent are also disclosed.

Abstract: A component (5) for filters (10) comprising a plate (50) provided with at least a through-opening (54) in a thickness thereof and a perimeter edge to which a seal (51) is fixed, which seal (51) is destined to be interposed between a beaker-shaped body (21) and a cover (22) of a casing (20) of a filter (10), and a flat filter wall (55) fixed to the plate (50) in such a way as to intercept the at least a through-opening (54) and a hollow shank (53) suitable for accommodating the end of a pipe (56) for removal of the water accumulated on the bottom of the beaker body (21).

Abstract: Ultra-low energy membrane-based dewatering systems and methods are provided herein. Dewatering systems of the invention employ both micro-filtration and forward osmosis, and optionally employ settling, to concentrate biomass at a low concentration, such as about 0.5 g/L, to a concentration of about 50 g/L or more.

Abstract: A waste water treatment apparatus includes a physical filter unit. The physical filter unit includes a filter screen layer therein to filter impurities which are large particles and a distal end connected with a changeable fluid dirt activation unit to discharge the bubbles and particles of the waste water. A side wall of the storage cylinder is provided with a storage pipe to communicate with the top of at least one microorganism filter unit. The microorganism filter unit includes a microorganism filter cylinder to purify the waste water through microorganisms. The waste water treatment apparatus further includes a water storage unit. The water storage unit includes a water storage cylinder to collect the treated water for use.

Abstract: An extracorporeal filtration and detoxification system and method generally comprise separating ultrafiltrate from cellular components of blood, treating the ultrafiltrate independently of the cellular components in a recirculation circuit, recombining treated ultrafiltrate and the cellular components, and returning whole blood to the patient. A recirculation circuit generally comprises an active cartridge including active cells operative to effectuate a selected treatment; in some embodiments, the active cells are the C3A cell line.

Abstract: Systems, methods, and devices for preparation of water for various uses including blood treatment are described. In embodiments, fluid is passed through a first filtration step which is effective for creating purified water and a pair of ultrafilters placed at the outlet. The ultrafilters are separated by an intervening flow path to prevent grow-through from the outlet end upstream. In embodiments, a recirculation path with an air removing filter helps to eliminate air from the ultimate product water.

Abstract: The super oxidation, coagulation and flocculation system is applicable to water and wastewater chemical treatment in which oxidation, coagulation and flocculation processes take place in a single vessel. The apparatus and process can be used for treatment of domestic and industrial water and wastewater for removal of organic and inorganic contaminants. The oxidation process can be provided by several oxidizing chemicals such as ozone, hydrogen peroxide, potassium permanganate, chlorine and Ultra Violet Lights, and the coagulation process can be accomplished with several coagulants such as aluminum sulphide, ferric chloride, ferric sulphate. Selection of the chemicals depends on the quality of the water or wastewater to be treated and the treated water quality required, and it covers a wide range of impurities to be removed and specifically difficult to oxidize hydrocarbons and chlorinated organics, and iron, manganese, uranium, arsenic, cyanide, hydrogen sulphide.

Abstract: A wastewater treatment method in which magnetic flocs are formed by adding to wastewater an inorganic flocculant, magnetic particles, and a high molecular polymer as a polymeric flocculant, and the magnetic flocs are collected with magnetic force to thereby obtain treated water having the magnetic flocs removed from the wastewater, wherein the improvement comprises that the magnetic particles are added to the wastewater after adding the inorganic flocculant to the wastewater to flocculate suspended solids in the wastewater, after that or substantially at the same time as the magnetic particles are added, the high molecular polymer is added to the wastewater, and flocculates of the suspended solids and the magnetic particles are combined with each other with the high molecular polymer to thereby obtain the magnetic flocs.

Abstract: The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which transports untreated fluid into a separator annulus with a filter element disposed therein. The untreated fluid is placed under appropriate pressure sufficient to produce turbulent flow, increased particle kinetics and/or cavitation physics allowing the desired fluid to penetrate and pass into and through the filter media. The filtered fluid is then transported to a collection tank. The contaminant particulate matter retained on the exterior of the filter media may be removed by the instantaneous reverse pressurization of the separator annulus by a second pressure source thereby removing the contaminant particles away from contact with the filter media, and which may then be transported to a waste collection tank or a concentrator for further treatment.

Abstract: Treatment of waste water from a biomass-to-liquid process, said process comprising producing synthesis gas from biomass and conversion of said synthesis gas into liquid hydrocarbons by a Fisher-Tropsch process. The waste waters obtained are purified in common with waste waters from another industrial process to which said biomass-to-liquid process is integrated, such as in forestry, power and/or heat generation, waste incineration or a process in a metal-, petrochemical and/or oil refining industry. The biomass-to-liquid. process and said another industrial process may have a common feed water process unit, a common cooling water process unit and a common waste water treatment unit. The waste water treatment process may comprise a biological purification process and said Fischer-Tropsch process may utilize a cobalt catalyst. An integrated factory comprising a biomass-to-liquid plant and another industrial facility in which both plants are connected to a common waste water treatment facility is also described.

Abstract: A chlorine based biofouling control subsystem is utilized to facilitate shipboard water management systems such as ballast water management that employ filters. The biofouling control system can serve as a subsystem to promote antifouling and reduce the filter clogging due to biofouling, which improves the efficiency and effectiveness of the ballast water treatment management system. An antifouling agent of the biofouling control system breaks up the dense colonies of marine organisms being filtered or treated by the main water management systems.

Abstract: The invention relates to a process and a device for enriching water, in particular drinking water, with magnesium ions. In order to enable enrichment of water with magnesium ions in exchange for calcium ions and/or heavy metal ions during treatment of water, and in particular of drinking water, it is proposed according to the invention to pass the water through an ion exchanger which contains a weakly acidic ion exchange material, wherein at least a part of its ion exchange capacity is loaded with magnesium ions.

Abstract: A wastewater treatment system includes independent wastewater treatment facilities. Each of the facilities has a number of wastewater treatment subsystems. A wastewater collection subsystem holds wastewater to be treated. A pump subsystem moves wastewater from a wastewater collector to a filtration subsystem having a bioreacting filter. The filter has a sump and a fluidized-bed filter therein and supports the filter upright. The filter has an upwardly expanding, hollow, conical filter body with filter media. A monitoring subsystem measures wastewater process parameters. Control devices receive control commands and, dependent upon the command received, alter parameters of the wastewater treatment subsystems.

Abstract: A valuable resource recovery system includes an engineered powder supply unit that supplies an engineered powder into drainage water (the engineered powder can adsorb a valuable resource and can be desorbed from the engineered powder), an agitation unit that agitates the drainage water supplied with the engineered powder, an engineered powder separation unit that separates the engineered powder from the drainage water agitated by the agitation unit, an engineered powder collection unit that collects the engineered powder separated by the engineered powder separation unit, and a desorption-recycle unit that desorbs the valuable resource from the engineered powder collected by the engineered powder collection unit to recycle the engineered powder and the valuable resource. According to the system, the valuable resource can be desorbed from the engineered powder and then recycled.

Abstract: A fuel filter system having a fuel filter (14) and water separation device (20), a water collecting chamber (24) with a drain line (26, 28) and controllable water discharge valve (30). A cleaning component (32) is disposed in the drain line behind the water discharge valve (30). A suction line (38) connects a fuel tank (40) with the fuel pump (18). Between the water collecting chamber (24) and cleaning component (32) a connecting line (36) branches to suction line (38) having a pressure controlled stop check valve (44).

Abstract: A new approach is proposed that contemplates systems and methods to support an environmentally-friendly, “green” thermophilic anaerobic digestion system. The system includes a thermophilic anaerobic digester as well as various independent modular anaerobic units to generate bio-methane from certain organic energy sources, including but not limited to, among other things, green municipal waste, restaurant and organic waste and effluents from industries such as breweries, grocery stores, food processing plants, granaries, wineries, pulp and paper mills, ethanol and biodiesel plants, fat and animal rendering, agricultural field crops, organic sludge accumulation within lagoons and waterways, marine organic matter and animal manure.

Abstract: A magnetic separation apparatus comprising: a separation vessel into which waste water containing a coagulated magnetic floc is supplied; a drum separator that is provided in the separation vessel and adsorbs the magnetic floc with a magnetic force while being rotated; a scraper that is abutted against a surface of the separator and scrapes the magnetic floc adsorbed by the surface of the separator; a scraper guide that is connected to the scraper and discharges the magnetic floc scraped by the scraper; and a scraping brush that scrapes the magnetic floc scraped by the scraper from the scraper and guides the magnetic floc to the scraper guide, wherein a lower portion of the separator is submerged in the waste water in the separation vessel, a rotational direction of the separation vessel in the waste water is set to the same direction as a flow direction of the waste water flowing in the separator, and a rotational direction of the scraping brush is set to a direction opposite to the rotational direction of t

Abstract: A subsurface wave action harnessing system includes a seabed mounting plate adapted for securing to a seabed, a wing having generally opposed first and second wing surfaces extending between a first and second wing ends, the second wing end being pivotably mounted to the seabed mounting plate such that pivoting motion about a pivot axis generally parallel to the mounting plate is imparted to the wing by subsurface wave action acting on the first and second wing surfaces, and a drive arm pivotably connected to the wing to convert the pivoting motion into reciprocal motion. An electrical generator, water purifier or other wave action load can be driven by the drive arm.

Abstract: A wastewater treatment apparatus (10) that treats the wastewater containing persistent substances, according to the present invention, includes a wastewater treatment bath (12) for treating a wastewater (11), an oxidizing reagent adding unit (14) for adding an oxidizing reagent (13) in the wastewater treatment bath (12), and an alkaline reagent adding unit (16) for adding an alkaline reagent (15) in the wastewater treatment bath (12). By making the wastewater in the wastewater treatment bath (12) in the alkaline condition, it is possible to completely decompose the persistent substances in the wastewater by the oxidation treatment using an oxidizing reagent.

Abstract: The present invention provides ballast water treatment equipment which can decompose fungicide included in ballast water and reduce the amount of use of fungicide adsorbing material by passing through the ballast water.

Abstract: A sewage treatment system is revealed. Water with contaminants is drawn from sources to the sewage treatment system for automatic and fast water purification. Thus clean drinking water is generated. The water with contaminants is sent to a treatment tank by a motor. Then non-toxic and odorless chemicals are sprayed in the treatment tank. By stirring and mixing of movable blades, the contaminants are coagulated and precipitated into a funnel under the treatment tank to be discharged. Next clean water in the treatment tank is sent to a centrifuge separator to be filtered and dehydrated by centrifugation. Water comes out from the centrifuge separator is drinking water. The sewage is converted into clean water. The system can provide clean safe drinking water to regions without water treatment plants.

Abstract: Process and facility for treating an aqueous solution containing substantial concentrations of a variety of contaminants, including solids, semi-solids, colloids, complexes, oligomers, polyvalents, organics and monovalents, and which tend to form gels and scale precipitates when their concentration levels are increased during treatment of the aqueous solution, the process comprising the steps of: a) feeding the aqueous solution to an ultrafiltration (UF) plant and recovering therefrom an UF permeate reduced in such suspended solids, semi-solids and colloids; b) feeding the UF permeate obtained from step (a) to a nanofiltration (NF) plant and recovering therefrom an NF permeate reduced in such complexes, oligomers, polyvalents and organics; and feeding the NF permeate obtained from step (b) to a first reverse osmosis (RO) plant and recovering therefrom an RO permeate reduced in such monovalents. The process and facility may be used for treating process water from wet process phosphate acid production.

Abstract: Concentrate for a dialysis liquid, at least comprising one acid and one physiologically acceptable electrolyte, characterized in that the acid comprises at least one acidic ion exchanger or is an acidic ion exchanger.

Abstract: A machine is provided with a slot to releasably receive and retain a cartridge in which dialysis is effected. The machine is configured for supplying to the cartridge, at a controlled temperature and rate, sterile water for use in haemodialysis and is operable to maintain, in a sterile condition, residual water contained therein after completion of a haemodialysis treatment.

Abstract: A method of wastewater treatment is described. The method includes: (i) receiving wastewater produced after anaerobic digestion; (ii) performing a first type of treatment on wastewater to produce wastewater having a first property which is capable of changing; (iii) preventing the first property from changing; (iv) performing a second type of treatment on wastewater; and wherein the first property includes at least one property selected from a group consisting of biochemical oxygen demand (“BOD”) level, dissolved oxygen level, solid content and nutrient level.

Abstract: A system adapted to condition an initial water feed stream into a treated water stream, the initial water feed stream including at least one of: a sulfate; a hardness; a dissolved solid; and, an oxygen. The system including a sulfate and hardness removal membrane unit adapted to treat the initial water feed stream to remove the sulfate and the hardness, a high pressure reverse osmosis unit adapted to treat the initial water feed stream to remove the dissolved solids, a first oxygen removal unit adapted to treat the initial water feed stream to remove the oxygen, and a second oxygen removal unit adapted to treat the initial water feed stream to catalytically remove the oxygen.

Abstract: A process for producing a printing plate, includes feeding a developing solution to an exposed photosensitive resin composition layer; passing the developing solution, in which a photosensitive resin composition is dispersed, through a dispersing-object-filter and flocculating the photosensitive resin composition dispersed in the developing solution by the dispersed-object-filter, and removing a flocculated photosensitive resin composition from the developing solution passed through the dispersing-object-filter.

Abstract: A wastewater treatment system includes wastewater having nitrogen-containing compounds, an anoxic zone having denitrifying bacteria, and an aerobic zone having nitrifying bacteria. The anoxic zone is coupled to the aerobic zone, and wastewater flows from the anoxic to the aerobic zone or vice versa. A fluidized bed heat exchanger configured to accept heat from a heat engine and to transfer the heat from the heat engine to the wastewater is positioned in the aerobic zone or the anoxic zone. The fluidized bed heat exchanger includes particulate media, and fluidization of the particulate media scrubs bacterial growth from portions of the fluidized bed heat exchanger. Treating wastewater can include flowing wastewater having nitrogen-containing compounds into a biological reactor having an anoxic zone and an aerobic zone, and heating the wastewater with heat from a heat engine to facilitate denitrification reactions in the anoxic zone and nitrification reactions in the aerobic zone.

Abstract: A system for removing hydrocarbons and other contaminants from sand and/or drill cuttings includes screening large debris from a first loading inlet hopper (101) to a screen covered receiving hopper (102) that may contain a chopper and chemical additive nozzles (105). A first inclined auger (104) receives the material from hopper (102) at its lower inlet port and conveys the material upwards dropping it into a hopper (106) and thence to a unit (107) either of which may include a crasher (106). Unit (107) includes an eductor (109) which feeds the screened and treated sand slurry to desanding units (112) such as hydro cyclones. The underflow from the desanders is sent to an auger tank's (114) first compartment (113) while the overflow is sent to its second compartment (115) where a flow distributing conduit (117) that disperses it over the surface of both compartments (113), (115). The auger tank (114) employs horizontal augers (116) that are arterial both the first and second compartments (113) and (114).

Abstract: The present invention provides a new and improved system for on-site and on-demand production of sterile water for injection (SWFI) from potable water or water that meets the EPA drinking water quality upon preconditioning, in conjunction with reconstitution of IV fluids using dry chemicals or concentrate pre-filled bags, suitable for use at a site under non-clean room environment conditions, and capable of adjusting feed water temperatures. The present invention includes a water temperature conditioning module, a water preconditioning module, a hydrothermal processor, a fluid staging compartment, and combinations and variations thereof.

Abstract: An apparatus (25) for use in screening a liquid and solids mixture feed (2) comprises a conduit (18), including a screening portion (22) that is formed and arranged to divide a liquid and solids mixture feed flowing through the conduit. The feed (2) is divided into a first, cleaned stream (C1) comprising liquid and solid particles of below a selected size limit, and a second, concentrated, stream (24) comprising liquid, and particles above the selected size limit. The apparatus (25) may be a stand alone module, part of a system with other solids and liquids separating equipment or an integral part of a solids and liquid separator such as a shale shaker. Methods of using the apparatus (25) are also described.

Abstract: A system adapted to condition an initial water feed stream into a treated water stream and to discharge the treated water stream. The initial water feed stream includes at least one of: a plurality of particles; an oil; a volatile organic compound; a hydrogen sulfide; a non-volatile compound; a heavy metal; and, a dissolved ion. The system includes a particle and oil removal subsystem adapted to treat the initial water feed stream to remove the plurality of particles and the oil to form a first partial treated water stream, a chemical oxygen demand reduction subsystem adapted to treat the first partial treated water stream to remove the volatile organic compound, the hydrogen sulfide and/or the non-volatile organic compound to form a second partial treated water stream, and a heavy metal and dissolved ion removal subsystem adapted to treat the second partial treated water stream to remove the heavy metal and the dissolved ion to form a treated water stream.

Abstract: A cooling tower blow-down, groundwater and wastewater re-use process and system is provided, which system may further include a cooling tower evaporation recovery system and process. Thus, blow-down from cooling equipment may be reused by appropriate treatment of the blow-down water, or treatment of other sources of water such as groundwater or wastewater, for use as make-up water in a cooling tower or other cooling equipment, and the capture of evaporation from cooling equipment is conducted to increase the efficiency and lower costs in the operation of such equipment.