Abstract: A corrosion inhibiting cement composition for reducing corrosion of wellbore casings is disclosed that includes from 10 weight percent to 70 weight percent cement precursor, from 5 weight percent to 70 weight percent water, from 0.1% to 60% by weight of cement amine corrosion inhibitor, where the amine corrosion inhibitor comprises a polyethylene polyamine. A method for reducing corrosion of wellbore casings includes dispensing the corrosion inhibiting cement compositions into the annulus and allowing the corrosion inhibiting cement composition to cure to form a hardened cement, where the corrosion inhibiting cement composition includes a cement composition and the amine corrosion inhibitor.

Abstract: Clay stabilization compositions include one or a plurality of triamino compounds and/or derivatives thereof, fluids containing an effective amount of the clay stabilization compositions and methods for making and using same.

Abstract: A system and a process for capturing Carbon Dioxide (CO2) from flue gases are disclosed. The process comprises feeding a flue gas comprising CO2 to at least one Rotary Packed Bed (RPB) absorber rotating circularly. A solvent may be provided through an inner radius of the RPB absorber. The solvent may move towards an outer radius of the RPB absorber. The solvent may react with the flue gas in a counter-current flow. The process further includes passing the flue gas through at least one of a water wash and an acid wash to remove traces of the solvent present in the flue gas. Finally, the solvent reacted with the CO2 may be thermally regenerated for re-utilizing the solvent back in the process.

Abstract: Water discharged from a circulating cooling water system is treated by a water recovery system including a clarification equipment and an RO membrane, and treated water is returned to the circulating cooling water system. A dispersant is added to the circulating cooling water system for dispersing scale components. The dispersant includes a polymer having a carboxyl group and having a weight average molecular weight of 5,000 or less, and permeates through the clarification equipment. The polymer having a carboxyl group and having a weight average molecular weight of 5,000 or less permeates through the clarification equipment, and performs as a scale dispersing agent for the RO membrane, preventing precipitation of scale. Since the polymer intrinsically has an anticorrosion effect, it becomes unnecessary to add a phosphoric acid compound to the cooling water system as an anticorrosion agent, or the required amount of the compound to be added can be reduced.

Abstract: Heterocyclic compounds having fused pyrimidine moieties with electron-donating groups. A method of preparing the heterocyclic compounds via a multicomponent condensation reaction is specified. These compounds are effective against corrosion of metallic substrates in acidic (i.e. CO2), and high salinity environments commonly found in oil and gas industry.

Abstract: Industrial and residential water treatment systems and devices are disclosed for use in preventing hard water buildup or in removing such buildup. The systems and devices include fixed and removable components for delivering water treatment composition. In addition, novel water treatment compositions and methods of treating water are disclosed.

Abstract: Disclosed are methods of using biodegradable heterocyclic compounds of relatively low toxicity as corrosion inhibitors. The present method is used to inhibit corrosion of a metal surface in contact with an aqueous system using compounds comprising a purine structure, and provides enhanced protection against corrosion of metals in aqueous systems. The method comprises the use of corrosion inhibitors that are generally resistant to halogen attack and provide good corrosion resistance in the presence of oxidizing halogen-based biocides. Formulations comprising purine-based compounds are also disclosed.

Abstract: A polyester resin is described which includes bio-based, cyclohexadiene Diels-Alder reaction adduct monomer for use in toner for imaging devices.

Abstract: An embodiment prevents equipment fouling (deposition of unwanted material) in an oil recovery system via implementing passivation of metallic components. By preventing or at least slowing or inhibiting corrosion of equipment or components via passivation, such as passivating heat exchangers, metallic piping, and the like, an embodiment in turn reduces fouling thereof. Other embodiments are described and claimed.

Abstract: The present invention relates to the use of a polyesteramine or a polyester polyquaternary ammonium compound as a corrosion inhibitor for metal surfaces, and to a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibitor.

Abstract: There are provided methods of suppressing corrosion of a corrodible metal surface that contacts a water stream in a water system, the method comprising: (a) introducing into the water stream a shot dose of a treatment composition comprising a corrosion inhibitor, the shot dose being introduced into the water stream over a first time period and the water stream having a first concentration of corrosion inhibitor during the first time period; (b) then reducing the amount of treatment composition that is introduced into the water stream; and (c) after the first time period, maintaining a second concentration of corrosion inhibitor in the water stream over a second time period, the second concentration being less than 25% of the concentration of corrosion inhibitor during the first time period.

Abstract: An antimicrobial solution for disinfecting instruments in an automatic sterilization device, the solution comprising: a peracid reaction product formed in situ from combining a liquid acetyl donor with a solid source of peroxide, wherein the in situ reaction takes place in the sterilization device, along with a containment and delivery ampule for use in an automatic sterilization device, and methods for disinfecting a medical instrument employing the inventive antibacterial solution.

Abstract: Disclosed is a concentrated cooling water additive that is substantially non-corrosive within a pH range of 2-12 and contains polymeric dispersant(s) and aromatic azole(s) that exhibits improved stability, possibly as a result of the interaction of the hydrophobic groups in the dispersant polymer and the aromatic azole(s). This improved stability allows for both reduced corrosivity of the formula and reduced manufacturing costs. Benefits of the disclosed formulations include improved safety for handling and shipment, more concentrated formulations available in liquid form, reduced shipping costs and storage space, reduced heat of neutralization during product manufacture, reduced costs of manufacture due to removal of need for caustic or acid addition and reduced environmental compliance costs associated with washing and waste handling step.

Abstract: Aminoethers are used as corrosion inhibitors in boiler systems in which a working fluid comprising water with an aminoether corrosion inhibitor is circulated from a heater to a utilization site at which the working fluid gives up energy and decreases in temperature. A preferred class of aminoethers are the alkoxytriethyleneglycol-tert-alkylamines such as methoxy triethyleneglycol-tert-butylamine.

Abstract: The scale inhibitors in a variety of aqueous systems, or a part or sample thereof, also including one or more dissolved interfering ions, are separated therefrom and analyzed, such scale inhibitors comprising a polymer containing at least one anionic functional group, e.g., a strong acid functional group or a phosphonate or phosphate ester, and such analysis including treating these aqueous systems with a cationic substrate or a free cation.

Abstract: The method of using an amine compound represented by the formula NH2—(CH2)m—O—(CH2)n—OH, where each of m and n is an integer of 1 to 3, as a boiler anti-corrosive.

Abstract: The present invention relates to a corrosion inhibitor. The corrosion includes an azole and a plurality of cellulose nanocrystals. The cellulose nanocrystals are combined with monovalent cationic counterions according to one aspect. The monovalent cationic counterions are sodium ions according to one example. The cellulose nanocrystals may be in dried solid form. According to a further aspect, there is provided a process for the use of cellulose nanocrystals in inhibiting corrosion. The process includes the step of providing an azole. The process further includes the step of adding cellulose nanocrystals to the azole. According to another aspect, there is provided a process for inhibiting corrosion of metal equipment where water can reside. The process includes adding an effective corrosion inhibiting amount of a corrosion inhibitor composition. The corrosion inhibitor composition includes an azole and cellulose nanocrystals.

Abstract: Aminoethers are used as corrosion inhibitors in boiler systems in which a working fluid comprising water with an aminoether corrosion inhibitor is circulated from a heater to a utilization site at which the working fluid gives up energy and decreases in temperature. A preferred class of aminoethers are the alkoxytriethyleneglycol-tert-alkylamines such as methoxy triethyleneglycol-tert-butylamine.

Abstract: This invention provides a novel, synergistic composition and method for reducing corrosion, particularly white rust corrosion, on galvanized metal surfaces in industrial water systems. The composition is a synergistic blend and preferably comprises from about 0 to about 10 weight percent of an amine-based white rust corrosion reducer and from about 10 to about 90 weight percent of a benzotriazole. In a method for using the synergistic blend, an effective amount of the blend is introduced onto the galvanized metal surface to form a barrier on the surface. After one or more time intervals, the composition is optionally overlayed onto the initial barrier by reintroducing an effective amount of the composition onto the galvanized metal surface.

Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.

Abstract: A composition with a corrosion inhibitor component having one or more tetrahydrobenzotriazoles and one or more other triazoles; wherein the tetrahydrobenzotriazoles are in a weight ratio to the other triazoles such that the composition decreases the General Corrosion rate, as measured by copper electrodes in the presence of 10 ppm sodium hypochlorite, by at least about 0.05 mpy relative to a corrosion inhibitor component which is 100% of the other triazoles. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.

Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.

Abstract: Compositions and methods of using such compositions for reducing copper ion discharge from aqueous systems is disclosed and claimed. The composition includes a synergistic combination of at least two different benzotriazoles or salts thereof that effectively provides an erosion-resistant barrier on copper-containing surfaces of industrial systems.

Abstract: A composition with a corrosion inhibitor component having one or more tetrahydrobenzotriazoles and one or more other triazoles; wherein the tetrahydrobenzotriazoles are in a weight ratio to the other triazoles such that the composition decreases the General Corrosion rate, as measured by copper electrodes in the presence of 10 ppm sodium hypochlorite, by at least about 0.05 mpy relative to a corrosion inhibitor component which is 100% of the other triazoles. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.

Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.

Abstract: One or more methods for inhibiting corrosion in a fluid that contain a composition with a specified generic formula are disclosed. The fluid can be contained in an oil or gas pipeline or refinery.

Abstract: One or more methods for inhibiting corrosion in an aqueous medium that contain a composition with a specified generic formula are disclosed. The aqueous medium can be contained in an oil or gas pipeline or refinery.

Abstract: Disclosed is a concentrated cooling water additive that is substantially non-corrosive within a pH range of 2-12 and contains polymeric dispersant(s) and aromatic azole(s) that exhibits improved stability, possibly as a result of the interaction of the hydrophobic groups in the dispersant polymer and the aromatic azole(s). This improved stability allows for both reduced corrosivity of the formula and reduced manufacturing costs. Benefits of the disclosed formulations include improved safety for handling and shipment, more concentrated formulations available in liquid form, reduced shipping costs and storage space, reduced heat of neutralization during product manufacture, reduced costs of manufacture due to removal of need for caustic or acid addition and reduced environmental compliance costs associated with washing and waste handling step.

Abstract: Methods and compositions are provided for corrosion inhibition treatment of aqueous systems such as cooling water systems. The methods include conjoint use of a polyvalent metal ion, such as Al or Mn and a corrosion inhibitor/deposit control agent (DCA) to the water system. The corrosion inhibitor DCA agent may be an organic compound such as a hydroxyacid, phosphonocarboxylic acid, polyhydroxysuccinic acid, or polymaleic acid or anhydride.

Abstract: Methods are provided to inhibit corrosion of metals in contact with aqueous systems such as cooling water systems. In accordance with the methods, a hydroxyacid compound and orthophosphates are used to treat the system. Additionally, an adjuvant including poly(epoxysuccinic acids), an additional hydroxy acid, and a polycarboxylic acid, may be added to the system water.

Abstract: A method of inhibiting corrosion in a fluid is disclosed. The method comprises: adding to the fluid an effective corrosion inhibiting amount of a synergist, a synergist when H2S is present in the fluid, or no synergist when H2S is present in the fluid, and a composition comprising specified following formula and optionally salts thereof.

Abstract: A method of providing corrosion inhibition to copper, nickel, aluminum, zinc, tin, lead, beryllium, carbon steel, various alloys of such metals, and galvanized coatings in evaporative cooling water applications approaching zero liquid discharge that are specifically attacked by cooling water with residuals of corrosive chemistry or ions such as ammonia/ammonium ion, chloride, high TDS, OH?, or high pH. The method includes applying azoles inhibitors (such as TTA, BTA, etc.) at residuals of 0.25 mg/L to 200 mg/L or greater (as azoles) to the cooling water application and operating with a combination of high TDS (greater than 2500 mg/L) and high pH (greater than 9.0), while maintaining low total hardness (less than 200 mg/L as CaCO3).

Abstract: The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detection reaction and a reagent system for an on-board control. Furthermore, the invention concerns a method for checking analytical elements in which a reagent system for an on-board control is examined optically or electrochemically with the aid of a measuring instrument for changes which could indicate a stress of the analytical element.

Abstract: Compositions and methods are described for inhibiting corrosion of corrodible metals present in contact with water in cooling water and other water storage systems. The compositions include concentrated stannous salts and agents to solubilize such salts.

Abstract: This invention deals with a process for treating and sanitizing animal habitats. In addition to sanitizing the habitat the production of ammonia and odor from fecal matter and urine is inhibited or terminated. In the process an animal habitat is cleaned and subsequently treated with trichloromelamine (TCM). The TCM may be applied by spraying the habitat with a solution of TCM, by dusting the habitat with powdered TCM or by treating bedding/litter with TCM. This process produces healthier animals and as such the productivity of a given grow out is increased. The process of this invention is particularly suited to animal habitats which are used to raise batches of hogs, cattle, turkeys and chickens on a continuing basis. The process of this invention further reduces the bacteria count of the animal habitat.

Abstract: A corrosion inhibitor package containing an acetylenic amine or acetylenic alcohol enables a sulfur-free method for protecting metal tubulars and equipment. The package has particular applicability in the protection of carbon steel tubulars in high density brines at elevated temperatures. The corrosion inhibitor package may contain a transition metal oxide as a corrosion inhibitor intensifier.

Abstract: This invention provides a novel, synergistic composition and method for reducing corrosion, particularly white rust corrosion, on galvanized metal surfaces in industrial water systems. The composition is a synergistic blend and preferably comprises from about 0 to about 10 weight percent of an amine-based white rust corrosion reducer and from about 10 to about 90 weight percent of a benzotriazole. In a method for using the synergistic blend, an effective amount of the blend is introduced onto the galvanized metal surface to form a barrier on the surface. After one or more time intervals, the composition is optionally overlayed onto the initial barrier by reintroducing an effective amount of the composition onto the galvanized metal surface.

Abstract: In one embodiment, a corrosion inhibiting composition is formed by combining: (a) an inorganic phosphate; (b) a water soluble polyelectrolyte polymer dispersant; (c) a tri or tetracarboxylic acid; and (d) at least one additional component comprising at least one of a C4-C22 aliphatic or aromatic mono- or dicarboxylic acid, a silicate and at least one of a silicone or a silicate stabilizing siloxane compound, and mixtures thereof. Also disclosed are heat transfer fluids that include about 5% to about 99% by weight of freezing point-depressing agent; about 1% to about 95% by weight of water; and the disclosed corrosion inhibitor composition. A method of reducing corrosion in a heat transfer system containing one or more components that contain magnesium or a magnesium alloy requires that the system and the magnesium containing components be in contact with the disclosed heat transfer fluid.

Abstract: Methods and compositions are provided for corrosion inhibition treatment of aqueous systems such as cooling water systems. The methods include conjoint use of a polyvalent metal ion, such as Al or Mn and a corrosion inhibitor/deposit control agent (DCA) to the water system. The corrosion inhibitor DCA agent may be an organic compound such as a hydroxyacid, phosphonocarboxylic acid, polyhydroxysuccinic acid, or polymaleic acid or anhydride.

Abstract: Methods are provided to inhibit corrosion of metals in contact with aqueous systems such as cooling water systems. In accordance with the methods, a hydroxyacid compound and orthophosphates are used to treat the system. Additionally, an adjuvant including poly(epoxysuccinic acids), an additional hydroxy acid, and a polycarboxylic acid, may be added to the system water.

Abstract: A method of providing corrosion inhibition to copper, nickel, aluminum, zinc, tin, lead, beryllium, carbon steel, various alloys of such metals, and galvanized coatings in evaporative cooling water applications approaching zero liquid discharge that are specifically attacked by cooling water with residuals of corrosive chemistry or ions such as ammonia/ammonium ion, chloride, high TDS, OH?, or high pH. The method includes applying azoles inhibitors (such as TTA, BTA, etc.) at residuals of 0.25 mg/L to 200 mg/L or greater (as azoles) to the cooling water application and operating with a combination of high TDS (greater than 2500 mg/L) and high pH (greater than 9.0), while maintaining low total hardness (less than 200 mg/L as CaCO3).

Abstract: A imidazoline concentrate, uses of the concentrate, and methods of increasing a storage stability of solutions containing the concentrate are disclosed. The concentrate may include a reaction product of a fatty acid, an alkylene polyamine, a hydrocarbyl succinic acid or anhydride, and an alkoxylated alkylphenol component. The concentrate may contain from about 2 to about 50 wt. % of the alkyphenol component.

Abstract: This invention provides a method of preventing corrosion in industrial water systems. The method includes maintaining a real-time oxidation-reduction potential at a set point, wherein the system is at operating temperature and pressure. A nonlinear equation is derived based upon theoretically derived or empirically collected data. The equation is then used to determine an inflow of active chemical species to the water system.

Abstract: The present invention provides an effective method of inhibiting corrosion on metallic surfaces in contact with a fluid contained in a closed loop industrial fluid system, which comprises adding to such fluid an effective corrosion controlling amount of a combination of an organic diacid, a triamine and a phosphonate compound.

Abstract: Lecithin and 2-bromo-2-nitropropane-1,3 diol (BNPD) are used to inhibit corrosion in boiler steam condensate systems. Aqueous steam condensate corrosion inhibiting compositions of these components are also disclosed. BNPD is also used as a preservative in lecithin containing and in other GRAS additive containing compositions.

Abstract: The present invention provides a method for the removal of biofilm, flocculent bulked sludge or bulked biologically active sludge from an aqueous system. The method involves adding one or more chlorinated hydantoins, such as dichloro- or monochlorodialkylhydantoin, to the aqueous system. Alternatively, the chlorinated hydantoin may be formed in situ by adding a chlorine source and an alkylated hydantoin separately to the aqueous system. The invention is particularly advantageous because of the outstanding photostability of the chlorinated hydantoin solutions even when exposed to sunlight.

Abstract: This invention relates to an automated process to inhibit corrosion of the metal surface of an inactive boiler containing water.

Abstract: A diene production stream comprising a solvent recovery blend from diene production comprising one or more fouling agent, one or more extractive distillation solvent, and from about 1 ppm to about 1000 ppm of N,N-disubstituted amide.

Abstract: Methods and compositions effective to prevent deposition of fouling agents, preferably polymerization precursors, on handling equipment, particularly during solvent recovery.

Abstract: A method to control a cooling water system based on the rate of consumption of fluorescent polymer is described and claimed. The method includes providing a cooling water system and a water treatment product including at least one fluorescent polymer and a fluorescent tracer. Measuring the fluorescence of the fluorescent polymer and calculating its rate of consumption provides a way of determining whether to adjust one or more operating parameters in the cooling water system.