Abstract: Novel iron-phosphate nanoparticles have been synthesized here. These are less than 12 nanometers in dimension. They are deemed useful for remediation of heavy metals and radionuclides and can be applied to insitu remediation of contaminated soils and contaminated waters.

Abstract: A computer-implemented method for recommending agricultural activities is implemented by an agricultural intelligence computer system in communication with a memory. The method includes receiving, over a network, field definition data and environmental data; determining soil data from at least the environmental data; determining, based on at least the soil data, carbon load data indicating carbon load present in the field during a planting date; receiving first input indicating a plurality of starter application criteria; based on the first input and the carbon load present in the field, generating application data that include at least an amount of the starter fertilizer that provides nutrients to seeds throughout a nutrient immobilization period between the planting date and a beginning of a microorganism mineralization period; generating control instructions for controlling an agricultural implement based on the application data.

Abstract: Methods and systems including processing dredge spoils to reclaim soil therefrom. The techniques may include a feed system for receiving dredge spoils, a dewatering system for removing water from the dredge spoils, and a grinder/mixer for grinding the dredge spoils from the dewatering system while mixing the dredge spoils with one or more additional materials.

Abstract: An injection tip assembly 10 and methods for use more reliably provide for delivery of fluid substances, such as materials that promote removal, destruction, or isolation of contaminants, into targeted zones within soil or bedrock. The injection tip assembly 10 permits the application of pressurized fluid 163 so as to erode or cut a desired cavity or eroded volume 164 within the subsurface 14, allows for timely observation, adjustment, and control of pressure within the cavity, and directs the delivery of a second substance or fluid that may incorporate desired materials. The consequence of managed erosion and pressure control is to nucleate and propagate a hydraulic fracture of desirable form that optimally delivers remedial agents throughout the targeted formation.

Abstract: A remediation system based on pollution obstruction for underground water with DNAPL pollutant is provided, including a vertical obstructing wall, a pump-out treating unit and a recharging unit, wherein the vertical obstructing wall is distributed at the periphery of a polluted area to obstruct the polluted underground water in the vertical obstructing wall; the pump-out treating unit includes a plurality of water pumping wells and overground treatment facility that are distributed in the polluted area, the plurality of the water pumping wells are configured to pump the polluted underground water out and sending it into the overground treatment facility so as to be treated; the recharging unit includes a plurality of recharging wells, and water treated by the overground treatment facility is recharged into a target aquifer in the polluted area by the plurality of the recharging wells. A remediation method using the system is provided.

Abstract: The present disclosure addresses biologically active formulations for agricultural and other applications that comprise a solid growth substrate that defines an open cell matrix and an active population of one or more microorganisms adhered thereto. The formulation is configured to be applied directly to a plant growth environment and does not require additional isolation and/or processing steps that would separate the microorganisms from the solid growth substrate prior to deployment. The disclosure also addresses related methods.

Abstract: A device and a method for treating soft soil foundations, the device comprises: a drainage plate (4), a water collection well (7), and a pressurizing drainage pipe (6), the pressurizing drainage pipe (6) is connected to the bottom of the drainage plate and the bottom of the water collection well through pipelines; a pressurizing module comprises: film (12), the film (12) is impermeable and covers the soft soil foundation; a pile-loading body (13), the pile-loading body (13) is arranged on the film; air compressor (1) has a pressurizing end with a space below the film to make a soil layer of the soft soil foundation below the film under an air pressure higher than the atmospheric pressure, so that the underground water discharge process can be started.

Abstract: A cementitious composite includes a structure layer, a cementitious material, a water-impermeable sealing layer, and a containment layer. The structure layer has a first side and an opposing second side. The structure layer defines a plurality of open spaces. The cementitious material includes a plurality of cementitious particles disposed within the plurality of open spaces of the structure layer. The water-impermeable sealing layer is disposed along the first side of the structure layer. The containment layer is disposed along the opposing second side of the structure layer. The containment layer is positioned to prevent the plurality of cementitious particles from migrating out of the structure layer through the containment layer.

Abstract: A cement composition based on a sulfoaluminate clinker is described, together with its use for agglomerating and inerting sediment/dredging sludge, and the relative inerting method and apparatus.

Abstract: A work machine includes a cabin, a machine room, a hydraulic oil tank, a partition wall, and a cover member. The machine room accommodates a drive apparatus to move the work machine. The hydraulic oil tank is provided in the machine room and has an oil gauge. The partition wall separates the cabin from the machine room and has an opening through which the oil gauge is viewable from the cabin. The cover member seals a gap between the partition wall and the oil gauge.

Abstract: The present invention provides methods for the cultivation of the Methylobacterium genus of bacteria. In particular the method provides methods for the efficient and inexpensive cultivation of these bacteria. Additionally, the invention provides methods for the utilization of these bacterial cultures to improve plant agriculture.

Abstract: A jet grouting method is capable of reducing an unnecessary portion (redundant portion) exceeding an effective wall thickness without narrowing a construction pitch, and capable of allowing easy mechanical control. A ground improvement structure including a plurality of ground improvement bodies is constructed through use of the jet grouting method. Each of the ground improvement bodies is constructed so as to have a sectional shape formed by a combination of different kinds of fan shapes having different radiuses. The sectional shape of the ground improvement body is a combination of at least two kinds of fan shapes. One of the kinds of the fan shapes corresponds to a fan shape with a smaller radius, and the other corresponds to a fan shape with a larger radius. The sectional shape of the improvement body has a minimum diameter portion formed of the fan shapes with the smallest radius and a maximum diameter portion formed of the fan shapes with the largest radius.

Abstract: A method for preparing a contaminated structure comprising particulates for collection of one or more liquid contaminants, including: drilling one more bore holes through the contaminated structure using one or more drill rods that remain within the bore hole; attaching a horizontal soil cutting blade to one end of the one or more drill rods, wherein the horizontal soil cutting blade comprises a cutting portion and a non-cutting portion, and wherein the non-cutting portion has attached thereto an impermeable geotextile; retrieving the one or more drill rods from the bore hole such that the cutting portion of the horizontal soil cutting blade is drawn through the contaminated structure creating a void therein, and such that the impermeable geotextile is drawn through the void; and introducing a contaminant collection apparatus at or along one edge of the impermeable geotextile, such that an upper surface of the impermeable geotextile is in fluid communication with the contaminant collection apparatus.

Abstract: Cellulose acetate or polyvinylpyrrolidone is electrospun into fibers having diameters of nanometer scale to form a first mat that is capable of absorbing hydrocarbons. A second mat may be formed from a solution of cellulose acetate or polyvinylpyrrolidone further containing tungsten trioxide. The solution is electrospun onto a copper mesh and then thermally oxidized to create a nanostructure comprising a grid or network of tungsten trioxide crystals and copper oxide crystals. The nanogrid is capable of photocatalyzing the degradation of hydrocarbons to carbon dioxide and water. The grid may be combined with the first mat to degrade hydrocarbons that the first mat absorbs.

Abstract: The object of the present invention is a composition of bacterial strains which may comprise Stenotrophomonas sp. strain 2L, Stenotrophomonas sp. strain 5L, Stenotrophomonas sp. strain 6L, Stenotrophomonas sp. strain 3N, Achromobacter sp. strain 4P, Arthrobacter sp. strain 1N, Brevundimonas sp. strain 2N, Brevundimonas sp. strain 5N, Brevundimonas sp. strain 6N, Pseudomonas sp. strain 3G, and Pseudomonas sp. strain 4, deposited under the number KKP 2041p (IAFB Collection of Industrial Microorganisms—Institute of Agricultural and Food Biotechnology in Warsaw), a bioremediation vaccine (bioremediation mixture) which may comprise the composition of these strains, the use of the vaccine in the removal of contaminants from the soil, and the method for the treatment of contaminated soil.

Abstract: An apparatus comprises at least one cutting jet configured to inject a fluid into a first layer of soil below a surface layer of underwater soil in a first region. At least one soil extractor is configured to remove at least a portion of the injected fluid and a portion of the first layer of soil in the first region. A mixing manifold is provided for mixing the removed portion of the injected fluid and the removed portion of the first layer of soil. A discharge is provided for depositing the mixed fluid and soil over the surface layer of underwater soil.

Abstract: Disclosed herein are an apparatus and method for treating ship ballast water, wherein electron beams are irradiated into the ballast water to induce radiolysis of the water, and harmful marine organisms present in the ballast water are killed by radicals produced by the radiolysis. The electron beams are continuously irradiated into the ballast water under operating conditions of an energy of 0.5-5 MeV, an electron beam irradiation dose of 0.1-30 kGy and a flow rate of 1-200 m3/hr.

Abstract: A containment chamber is constructed by excavating a pit at the site of oil-contaminated sand and lining the pit with an impermeable, heat-resistant, flexible plastic liner. An array of spaced apart heating assemblies is positioned to cover the bottom of the chamber. Each heating assembly may include an elongate linear electric resistance heater positioned within a tubular slotted sand screen. The containment chamber is filled with a charge of contaminated sand. Solvent, such as diesel fuel, is pumped into the elongate passageways defined between the heaters and screens. The heaters are actuated to vaporize the solvent, which moves through the screen slots and convectively permeates the charge. The vapor transfers heat to the oily sand and condenses. Condensed solvent and heated oil drain and are recovered from the chamber.

Abstract: System and means soil stabilization and moisture control for building foundations including methods and systems for stabilization moisture in a site for building foundation by applying soil moisture stabilization material in various forms, a preferred stabilization material being a mixture of pozzolan and granular material such as sand.

Abstract: An improved and efficient method of producing a composition containing a metal peroxide capable of enhancing microbial degradation of contaminants in soil and groundwater. The method includes reacting a metal oxide or metal hydroxide with hydrogen peroxide in a solution of water containing a reaction moderator, intercalation agent, and a gelling agent.

Abstract: The object of the present invention is a composition of bacterial strains which may comprise Stenotrophomonas sp. strain 2L, Stenotrophomonas sp. strain 5L, Stenotrophomonas sp. strain 6L, Stenotrophomonas sp. strain 3N, Achromobacter sp. strain 4P, Arthrobacter sp. strain 1N, Brevundimonas sp. strain 2N, Brevundimonas sp. strain 5N, Brevundimonas sp. strain 6N, Pseudomonas sp. strain 3G, and Pseudomonas sp. strain 4, deposited under the number KKP 2041p (IAFB Collection of Industrial Microorganisms—Institute of Agricultural and Food Biotechnology in Warsaw), a bioremediation vaccine (bioremediation mixture) which may comprise the composition of these strains, the use of the vaccine in the removal of contaminants from the soil, and the method for the treatment of contaminated soil.

Abstract: A material may include a substrate, such as sand, treated with a binder, for securing a layer of hydrating particles thereto. Typical binders may include lignicite, or other naturally occurring materials such as sugars, molasses, corn syrup, gelatin, water, a combination, or the like. Substrates may include natural organic materials or inorganic materials. Various materials can serve as a powdered, polymeric coating. Commonly called acrylamides or polyacrylamides by industrial suppliers, certain polymers have been found to serve well by being comminuted to powder and adhered to the substrate granules.

Abstract: The present invention provides systems and methods for in-situ remediation of soil and groundwater having contaminants such as but not limited to organic compounds perhaps providing adsorption, chemical oxidation, and even biodegradation of contaminants with novel treatments such as but not limited to mixtures of granular activated carbon, calcium peroxide, sodium persulfate, and nitrate perhaps in various concentrations.

Abstract: The application relates to a sustainable and green remedial approach for in situ remediation. The system and method use directionally drilled horizontal wells filled with granular reactive media generally installed in the direction of groundwater flow for groundwater remediation. “Flow-focusing” behavior is leveraged to capture and passively treat proportionally large volumes of groundwater in situ. The system and method perform well in low hydraulic conductivity environments. Reactive media are selected according to the contaminants to be treated and site characteristics The application further relates to a source area bypass system comprising one or more horizontal wells, constructed in a manner to allow unimpacted or cleaner groundwater to bypass a nonaqueous phase liquid zone or high-concentration source area of contamination and discharge downgradient. Reactive media may or may not be used in a source area bypass system. In some configurations, groundwater pumps may be installed to enhance performance.

Abstract: The present invention provides systems and methods for in-situ remediation of soil and groundwater having contaminants such as but not limited to organic compounds perhaps providing adsorption, chemical oxidation, and even biodegradation of contaminants with novel treatments such as but not limited to mixtures of granular activated carbon, calcium peroxide, sodium persulfate, and nitrate perhaps in various concentrations.

Abstract: A barge system for hydraulic spreading of aquatic capping material is provided. The barge system includes a barge, a piping system, a spreader, a system for moving the barge and a controller. The barge has a deck extending between a front end and a rear end and two opposing sides. The piping system is mounted on the deck and used for the transmission of capping material slurry that includes a capping material. The piping system has a first end and a second end. A source of capping material slurry is connected to the first end and fed through the piping system to the spreader. The spreader has an inlet end in communication with the second end of the piping system and a discharge end. The spreader evenly distributes the capping material slurry from the end of the barge. The controller positions the barge based on the flow rate and density of the slurry. The barge system is used to deposit a predetermined thickness of the capping material on the bottom of the body of water.

Abstract: Process for the temporary covering of contaminated soils, includes applying, to the soil, a leakproof layer based on a water-soluble polymer, and then subsequently a stabilizing layer based on plant fibers.

Abstract: A device for agitating a material is provided. The device includes a casing that includes an opening at a first end and a valve configured to open and close the opening.

Abstract: A suspension having a specific gravity greater than 1.0 that contains one or more reactive materials, said suspension containing a biopolymer that decomposes over time, thereby releasing the contaminant reactant for contact with the contaminants in the waterway bottom sediment or waterway floor material. In one embodiment, the suspension includes a water-buoyant material, that can be placed underwater over a sub-aqueous waterway bottom or floor that contains a contaminant to be treated or confined and remains in place for treatment and/or confinement. After the suspension is placed, it may be stabilized against movement by applying a confining or weighting layer, such as sand or a water-permeable or water-impermeable geotextile, thereover.

Abstract: A system for detecting and remediating a discharge of fuel from a fuel source facility is disclosed. The system can comprise a contamination detection subsystem configured to detect a discharge of fuel from the fuel source facility and a remediation subsystem configured to remediate contamination due to the discharge of fuel. A controller can automatically activate the remediation subsystem upon detection of a discharge by the contamination detection subsystem. The controller can automatically send a notification that a contamination has been detected and the remediation system has been activated. Alternatively or in addition, the controller can automatically send a notification that a contamination has been detected and the remediation system has been activated.

Abstract: A method for in-situ reduction of contaminants in soil.

Abstract: A method and process for cleaning and recovering brown fields. More specifically, it is the objective of the present invention to introduce a reduced cost process for cleaning and revitalizing brown fields by removing the contaminated soil and refilling with approved filler/reprocessed soil. Contaminated soil is removed from the brown fields and reprocessed into clean soil. Additional soil is removed to create a recessed space. The recessed space is filled with a plurality of tire bales. The clean soil recovered is layered over the plurality of tire bales to complete the newly reformed and recovered piece of land.

Abstract: A coastal oil recovery system and method for clean up of land based contamination with a containment device having a reverse funnel shaped top hood, rigidly attached to vertical walled sides, a plurality of ground screws to pull the containment device into the soil, a plurality of water jets to fill the containment device and float oil from contaminated soil and vegetation upward into the top hood for extraction by discharge hoses. Due to the shape of the top hood, the depth of the floating oil will increase as it reaches the top of the top hood, facilitating extraction.

Abstract: The invention relates to a method and a system for controlling a remediation of a site polluted by contaminants, the method comprising the steps of determining a concentration gradient of gaseous emissions exhausting from the polluted site taking into account the measured indications measured at a plurality of spatially distinct positions, and controlling a remediation technique taking into account the concentration gradient. Automatic feedback for controlling the underlying remediation technique is thus enabled taking into account the concentration gradient.

Abstract: An adjustable depth air sparging well system having a fixed depth or secondary air injection point and an adjustable depth or primary air injection point for injecting compressed air into saturated or groundwater regions of the soil's subsurface to remove volatile contaminants from the soil's subsurface. At least one flow-through air sparge packer which is slidably mounted within the well casing of the air sparging well system allows a user to adjust the depth at which the adjustable depth air injection point is set. The flow through air sparge packer is available in one, two and one half and five foot lengths.

Abstract: An multiple point adjustable depth air sparging well system having a multiple air injection points for injecting compressed air into saturated or groundwater regions of the soil's subsurface to remove volatile contaminants from the soil's subsurface. At plurality of flow-through air sparge packer which are slidably mounted flow-through packers within the well casing of the air sparging well system allows a user to adjust the depths of the air injection points. Each packer has attached thereto a pressure regulator which provides compressed air to one of the multiple air injection points.

Abstract: The invention provides inter alia a mineral complex comprising about 40 wt. % to about 60 wt. % SiO2, about 6 wt. % to about 16 wt. % Fe2O3, about 4 wt. % to about 12 wt. %. CaO, about 2 wt. % to about 8 wt. % MgO, wherein at least 85% of the mineral complex has a particle size of about 10 to about 6000 mesh, related compositions and methods for their use, including for growth medium augmentation and remediation.

Abstract: A method for providing soil improvement to a particulate surface soil including applying to and allowing to penetrate the associated surface soil a composition comprising a synthetic fluid and a binder and applying as a second surface a synthetic fluid, a binder, and synthetic fibers.

Abstract: A process for insitu treatment of at least one contaminant in a groundwater plume, the process comprises the steps of: installing a permeable reactive barrier in the flow path of the groundwater plume, wherein the installation of the permeable reactive barrier comprises the steps of: boring a first borehole with a portion longitudinally extending substantially parallel with an upper surface of the groundwater plume; filling the longitudinally extending portion of the first borehole with a reactive material comprising a solid reactant configured to react with the at least one contaminant in the groundwater plume to produce at least one product having less hazardous characteristics than the at least one contaminant; boring a second borehole with a portion proximate, substantially adjacent or overlapping the longitudinally extending portion of the first borehole; and filling the portion of the second borehole proximate, substantially adjacent or overlapping the longitudinally extending portion of the first boreh

Abstract: A method for in-situ reduction of contaminants in soil.

Abstract: In agriculture, one of the most important issues is the extent to which the yield of high quality crops can be increased while saving labor and reducing costs. However, there are many problems in that so-called injuries of crops due to continuous cropping and other causes seriously reduce productivity. The present invention provides an apparatus and a method that can pasteurize soil using gases emitted from the engine of a tractor, while at the same time, carbon dioxide, sulfur oxides, and other acidic fumes in exhaust gas are fixed as calcium salts with slaked lime that has been applied in advance on the soil to be pasteurized, and these gaseous components can, as much as possible, be prevented from escaping into the atmosphere.

Abstract: A novel method for remediating metals includes treating the metals with a mesoporous nanocomposite such as HMS, MCM-41 or MCM-48. The metal is preferably lead but can be at least one metal selected from Pb, Hg, Cd, Zn, Sn, As, Sb, In, Se, Ga, Te, Bi, Ni, Cu, Mo, Ni, Cu, Sr, Ba or Co. The treating is preferably performed at a pH of about 4 to about 12. In the invention, the treating can also include desorbing the metal from the mesoporous nanocomposite at a pH of about 2 or less.

Abstract: A stabilized, chemically reactive, metallic nano-material effective for degradation of chlorinated organic compounds in soils, sediments and groundwater. The nano-material is composed of a magnetic metal nanoparticle and a carbohydrate stabilizer bound to the nanoparticle. The preferred metal nanoparticle is iron and the preferred carbohydrate stabilizer is either a starch or a water soluble cellulose such as sodium carboxymethyl cellulose. The nanoparticle may be either mono-metallic, bi-metallic or multi-metallic in nature, but is preferably bi-metallic wherein it is coated with a secondary catalytic metal coating, preferably palladium. A method of making the metallic nano-material is further disclosed wherein a solution of the metal nanoparticle and carbohydrate stabilizer is prepared, and the nanoparticle is then reduced under inert conditions.

Abstract: An ozone gas source supplies a high pressure ozone gas mixture of an oxygen carrier gas having a high ozone gas concentration of 5-14% of ozone gas to a pulse storage tank. A programmable controller causes a valve means to open and transport the ozone gas mixture within the high pressure pulse storage tank into an injection point when pressure of the ozone gas mixture in the high-pressure pulse storage tank reaches a high discharge pressure site-specific set-point, and causes the valve means to close when pressure within the high pressure pulse storage tank drops and approaches a low pressure site-specific set-point. This process is repeated for injection of a gas pulse into second and subsequent injection points. The high concentration of ozone dissolves a high percentage of ozone into groundwater, producing enhanced oxidation of contaminants and the high gas pressure forces ozone into smaller pores, enhancing contact with contaminants.

Abstract: Novel bioreactor systems, adapted to provide continuous batch incubation of microbes, especially bacteria, are provided. Bioreactor bags are preloaded with inert microbes prior to being shipped to the user. The inert microbes may be substantially dry or in other inert forms, and are stored in soluble containers within the bioreactor bags. Multiple sterile, preloaded, disposable bioreactor bags are used in a self-contained housing. The bags are automatically incubated in the housing and dispensed, preferably into an irrigation system. The system provides serial batch production of useful microbes for a week or more, without further supervision or intervention. Methods of manufacture, methods of use, methods of sales, and methods of farming are also provided.

Abstract: A supplemental fluid adjustable depth air sparging system which is used to remediate contaminants from groundwater within the soil. An adjustable depth air injection point injects compressed air mixed with a chemical oxidizer or nutrient into saturated or groundwater regions of the soil's subsurface to remove contaminants including chlorinated solvents from the soil's subsurface.

Abstract: A method for in-situ reduction of contaminants in soil.

Abstract: A supplemental fluid adjustable depth air sparging system which is used to remediate contaminates from groundwater within the soil. An adjustable depth air injection point injects compressed air, and an adjustable depth chemical injection point injects a chemical oxidizer or nutrient into saturated or groundwater regions of the soil's subsurface to remove contaminants including chlorinated solvents from the soil's subsurface.

Abstract: A log washer apparatus having two longitudinal shafts. The shaft includes paddles arranged into groups. Some of the groups are aligned about the circumference of the shaft such that each of the paddles in the group extend outward from the shaft at the same circumferential location about the shaft. Some of the groups are offset such that paddles within the offset groups are offset with respect to the adjacent paddles so as to increase fluid flow in the log washer.

Abstract: The present invention provides a method and gaseous composition for the in situ bioremediation of soil and groundwater contaminated with organic compounds, including halogenated hydrocarbons. The gaseous composition, which readily permeates a subsurface region, comprises hydrogen (H2) and one or more volatile phosphates, such as triethylphosphate (TEP) and tributylphosphate (TBP). The volatile phosphates serve as nutrients that stimulate the growth and activity of indigenous microbes that are capable of degrading the contaminants. The addition of hydrogen facilitates the direct reductive dehalogenation of highly halogenated contaminants. The gaseous composition may optionally contain one or more of a volatile alkane and nitrous oxide as additional supports for microbial growth, and carbon dioxide to lower the pH of remediation sites that are highly alkaline.