418 results about "Inorganic phosphate" patented technology

The invention discloses a medicament for treating composite water in a hot water boiler. The medicament comprises the following components by mass percent: 0.1-3% of inorganic phosphate, 0.1-2% of organic phosphoric acid and / or organic phosphate, 0.1-4% of component A, 0.1-3% of component B, 0.6-1.0% of organic amine deoxidizer, 0.1-2% of tannin and / or chitosan and the balance of water, wherein the mass percent of the components is 100%, the component A is one or more of an organic antisludging agent, an organic dispersant and an organic dispersible antisludging agent, and the component B is one or more of an organic carboxylic acid corrosion inhibitor, an organic carboxylate corrosion inhibitor and sodium methylene dinaphthalenesulfonate. The invention further discloses a preparation method and a use method of the medicament, the preparation process is clean, and the medicament is low in toxicity for body health and environment in the using process. The medicament is excellent in corrosion resistance and scale inhibition effects and simple and convenient to store and transport, and the corrosion and scale inhibition effects cannot be reduced after the medicament is stored and transported for a long term.

The invention relates to fibrous insulation products that exhibit improved flame resistance, relative to previously known products. The insulation product has a fibrous mineral matrix, into which is incorporated a phosphate-containing compound (e.g., an inorganic phosphate salt) and a refractory mineral filler (e.g., alumina or aluminum sulfate). The product exhibits flame resistance superior to the fibrous mineral matrix alone.

The ionic strength or the specific gravity of an aqueous test sample is determined by mixing the sample with a reagent composition on a test strip. The strip includes a bibulous carrier containing an organic phosphonic acid, such as 1-hydroxyethlidene-1,1 -Diphosphonic acid and aminotris(methylenephosphonic acid), or inorganic phosphate having one of the structure formulas, where M stands for one equivalent of an alkali metal, ammonium, lower alkyl ammonium, or hydrogen ion, with the proviso that at least one of the M is hydrogen; x is an integer ranging from zero to two and y is also an integer ranging from zero to one, and serving to buffer the metal ions, and a chromogenic indicator capable of providing a detectable response of the ions being sequestered and coordinated within the complex in the mixture.

The invention relates to heavy metal resistance plant growth-promoting bacteria and a preparation applying method thereof, which belongs to the bioremediation field of heavy metal polluted environment. A bacteria strain D54 with a preservation number of CGMCC No. 3223 belongs to the Burkholderia sp. and has higher resistance to a plurality of heavy metals, wherein the resistances to Pb <2+>, Cd <2+>, Cu <2+>, Zn <2+> respectively reach 800 mg / L, 1500 mg / L, 150 mg / L and 2500 mg / L. In addition, the bacteria strain D54 has the plant growth-promoting functions of producing plant growth hormone (IAA), producing 1-amino-1-carboxyl cyclopropane (ACC) deaminase, secreting siderophore, dissolving inorganic phosphate, fixing nitrogen and the like, has the biological prevention functions of antagonizing plant pathogenic bacteria inbreak and the like, and can obviously improve the biomass of the plants applied the invention and improve the resistance to diseases and stresses. The number of the effective viable bacteria in liquid preparation reaches 1-2 billion / ml and the number of the effective viable bacteria in solid preparation reaches 1 billion / g. Soaking seeds for 1-2 hours in the liquidpreparation which is diluted 100 times and irrigating the diluted liquid preparation 1-2 times (10ml / kg) after 2-3 weeks of the sprouting of the seeds can effectively improve plant viable bacteria infection probability.

A slow-release solid chemical composition for environmental bioremediation is provided. The composition comprises a source of soluble organic substrates which include sugars, soluble organic polymers and mixtures of them in an amount of 7% to 90%, insoluble organic substrates an amount of 10% to 70%, complex inorganic phosphates in an amount of 0.5% to 7% and soluble organic salts in an amount of 2% to 70%. The insoluble organic substrates include fibrous plant materials, starches, cellulosic materials and mixtures of these substrates. The complex inorganic phosphates include ringed metaphosphates, linear polyphosphates and mixtures. The organic salts include lactates, formates, acetates, citrates, etc. Also the composition further comprises microorganisms which include Bacillus spp., Rhizobium spp., Bradyrhibzobium spp., Fibrobacter spp., Clostridium spp., Pseudomonas. spp., Geobacter spp., Arthrobacter spp., Nocardia, spp., aspergillus spp., Trichoderma spp., Candida spp., Yarrowia spp. and combinations of these microorganisms. The composition can be prepared in various forms, including granules, briquettes, pellets, tablets or capsules.

This invention relates to a multifunctional high polymer composite which has the ability of hydrating, water holding and delayed release of chemical fertilizer and its preparation. The feature of the invention is that it is formed formblely by a mixture of high polymer bibulous, delayed release high polymer nitrogenous fertilizer, inorganic phosphate fertilizer, potash fertilizer and polyurethane soft foam. The weight amount of raw materials is that high polymer bibulous 10-40, delayed release high polymer nitrogenous fertilizer 5-20, inorganic phosphate fertilizer 2.5-10, potash fertilizer and polyurethane soft foam 50-51.

The invention provides room-temperature self-curing inorganic phosphate anti-corrosion paint, which comprises an ingredient A and an ingredient B, wherein the ingredient A comprises phosphate adhesives, pigment filling materials, functional auxiliary agents and deionized water, wherein the adhesives are prepared from metal oxides and / or hydroxides and phosphoric acid through reaction; the ingredient B comprises curing agents, pigment filling materials, industrial solid waste, functional auxiliary agents and deionized water, the curing agents have core-shell structures, cores and shells in the core-shell structures are respectively inorganic nanometer particles and alkali metal oxides, and the mol ratio of the element P contained in the adhesives of the ingredient A to the alkali metal element M contained in the curing agents of the ingredient B is (2.0 to 4.0):1. The room-temperature self-curing inorganic phosphate anti-corrosion paint can be automatically cured at room temperature, the curing and film forming can be realized without high-temperature drying, meanwhile, the applicability time of the inorganic phosphate anti-corrosion paint is long, and the problem of coating and film forming incapability due to too fast curing in the prior art is solved.

This disclosure relates to phosphate coatings that inhibit corrosion of metals, specifically coatings comprising acidic phosphate and alkaline metal oxide / hydroxide components. In one particular embodiment, phosphate-based coating formulations that reduce or eliminate corrosion of steel and other metals are disclosed. In other embodiments, methods for coating steel surfaces with acidic phosphate and alkaline metal oxide / hydroxide components to reduce or eliminate corrosion of the metal surfaces are disclosed.

The invention relates to a ceramifying composition for forming a fire resistant ceramic under fire conditions the composition comprising: (i) at least 10 % by weight of mineral silicate; (ii) from 8 % to 40 % by weight of at least one inorganic phosphate that forms a liquid phase at a temperature of no more than 800 DEG C; and (iii) at least 15 % by weight based on the total weight of the composition of a polymer base composition comprising at least 50 % by weight of an organic polymer.

The invention discloses a non-chromium pretreating agent for a color coated steel plate, which is a solution prepared by mixing solute formed by multiple substances with deionized water according to the weight percentage of 1:4 to 7, wherein the solute includes the following substances by weight percentage: 0 to 10 percent of organic carboxylic acid containing 4 to 18 carbon atoms or water soluble salt thereof, 5 to 30 percent of organic polymer with molecular weight ranging from 3000 to 200000, 10 to 15 percent of salt with oxidation capacity, 15 to 60 percent of inorganic fluorochemical with the function of complexation, 5 to 10 percent of high valence state titanium salt, 5 to 15 percent of inorganic zinc salt and 5 to 30 percent of inorganic phosphate. The pretreating agent of the invention does not include substances harmful to the environment and human bodies, such as high valence chromate, and the like; meets the RoHs requirement, and belongs to environment-friendly green products. Proved by experiments, the product of the invention can greatly improve the binding force between a coating and a galvanized plate, and can enhance the decay resistance of the coating.

This invention discloses an environmentally friendly long-effective corrosion inhibitor for sealed circulation cooling water system, which is composed of: molybdate or tungstate 10-20 wt.%, a mixture of C4-12 monocarboxylic acid and polycarboxylic acid 60-70 wt.%, complexing organic carboxylate 0-3 wt.%, polymer 0.05-3 wt.%, benzotriazola 0.005-1 wt.%, Zn salt 0.005-1 wt.%, and NaOH 10-15 wt.%. The corrosion inhibitor does not contain nitrate, nitrite, chromate, inorganic and organic phosphate, borate and silicate, thus is environmentally friendly. Besides, the corrosion inhibitor has such advantages as low dosage, high profit, and long and good effect on heat-conductive metals such as normal carbon steel, red copper and brass.

The invention relates to a method for treating high-concentration phosphonomycin pharmaceutical wastewater and reclaiming phosphorus. The method is realized by the following two steps: 1) wet oxidation treatment: filling the high-concentration phosphonomycin pharmaceutical wastewater into a high-pressure reactor with a mechanical stirring device, introducing oxygen or air equivalent to 0.5 to 4 times of the wastewater COD into the high-pressure reactor, and maintaining the total pressure in the reactor to be between 3.0 and 15.0MPa, the reacting temperature to be between 200 and 300 DEG C, and the reaction time to between 5 and 120min to ensure that over 99 percent of organic phosphorus in the wastewater is converted into inorganic phosphate; and 2) phosphate reclaiming: adding calcium salt or magnesium salt and ammonium salt into the wastewater treated in the step 1) based on that the molar ratio of Ca:P is 1.7-2.5:1 or the molar ratio of Mg:N:P is 1.0-1.2:1.0-1.2:1, adding acid / alkali solution into the wastewater to maintain the pH value to be between 8.5 and 10.0, reacting for 10 to 60min while stirring, standing for 10 to 30min, and separating solid and liquid so as to obtain a phosphate reclaimed product and supernatant, wherein the supernatant can be discharged to a comprehensive wastewater treatment plant for biological treatment so as to realize standard emission. The method has the advantage of simple operation, and can realize the COD removal rate of the high-concentration phosphonomycin pharmaceutical wastewater to reach 40 to 95 percent, the organic phosphorus removal rate to reach over 99 percent, and the reclaiming rate of the phosphorus in the wastewater to reach over 99 percent.

The invention relates to a scale and corrosion inhibitor, comprising organic phosphonate, an inorganic scale and corrosion inhibition component, a carboxylic acid containing copolymer, zinc salt, a heterocyclic compound and a fluorescence tracing component. The scale and corrosion inhibitor is easy to compound, has good stability, and has good scale and corrosion inhibition performances for reusing tail water of a sewage plant into a circulating cooling system under a low addition amount; the scale and corrosion inhibitor can be directly added into a reclaimed water reusing pipeline, without needing to supplement calcium and alkali into the tail water in advance and regulating a pH value, and has a good treating effect; the scale and corrosion inhibitor does not contain a toxic compound and inorganic phosphatic, contains little phosphor, can reduce eutrophication pollution of a water body, and is in favor of environment protection.

This invention relates to a modified starch preparation method, specifically a phosphate starch, which takes starch, urea, inorganic phosphate as raw materials in the double-cones rotary dryer, and conducts seven process steps of preparing chemicals, mixing, pre-drying, esterification, cooling, sieving, packaging to prepare the finished product, which is light yellow to yellow powder particle, and the viscosity peak is from 1000 to 6000BU. When the mass concentration is 6% for starch paste, it can gelatinize at the temperature lower than 66deg.C till cold water.

A nonaqueous electrolyte secondary battery includes: a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte. The positive electrode mixture layer includes a positive electrode active material (1) and an inorganic phosphate. The inorganic phosphate is at least one of a phosphate and a pyrophosphate and includes at least one of alkali metals and second group elements.

Self-setting, absorbable bioactive polycyanoacrylate-based composites include at least one inorganic phosphate salt or a combination of at least one inorganic phosphate salt and calcium silicate in a cyanoacrylate matrix. The composites can be reinforced with single- or multicomponent absorbable, warp-knitted mesh, thus producing a broad range of absorbable, bioactive biomaterials suitable for use not only as preferred absorbable alternatives to the commercial non-absorbable polymethyl methacrylate bone cements, but also for repairing or replacing cranial and maxillofacial bone defects and other complex defects through guided bone regeneration.

The present invention is drawn toward materials, methods and systems for solid free-form fabrication of three dimensional objects. In one embodiment, a method for solid free-form fabrication of a three-dimensional object can comprise steps of a) depositing a particulate composition including inorganic phosphate particulates in a defined region; b) ink-jetting an aqueous liquid onto a predetermined area of the particulate composition to form hydrated cement in the predetermined area; c) hardening the hydrated cement; and repeating steps a) through c) such that multiple layers of the cement are formed that are bound to one another, thereby forming the three dimensional object. In another embodiment, a system for solid free-form fabrication of three-dimensional objects can comprise a particulate composition including inorganic phosphate particulates; a substrate configured for supporting at least a layer of the particulate composition in a defined region; and an ink-jettable aqueous liquid configured for being jetted in the defined region to hydrate at least a portion of the particulate composition to form a cement.

The invention discloses an environment-friendly stemming for a blast furnace taphole and a preparation method thereof, which is prepared by the following raw materials according to weight percentage content: 35-50% of bauxite or hard clay or fused alumina with thickness of 0.2-3mm, 1-5% of modified powder resin, 1-5% of high-temperature pitch, 3-8% of inorganic phosphate, 1-20% of silicon carbide, 10-20% of coke powder, 3-10% of sericite, 2-8% of cyanite and 3-8% of tar oil. The preparation method comprises the following steps: weighting each raw material according to the above formula, adding into a heating stirrer for stirring and mixing and molding by using a friction press after mixing. The invention adopts the mixture of organism and inorganic substance as a binder to prepare the stemming, thus greatly reducing the component content of tar oil which pollutes environment, being favor of environmental protection and having remarkable social benefit, and can be hardened quickly.

The invention provides a complex pig feed enzyme preparation with an activating agent. In a formula, phytase can decompose organophosphorus in a feed into inorganic phosphate which can be absorbed; protein enzyme can degrade protein nutrition substances in the feed so as to promote live pigs to absorb phosphorus and nitric in the feed, meanwhile, the discharge amount of phosphorus and nitric in fecaluria of the live pigs is reduced, and the pollution to the environment is reduced. The activating agent can improve the enzyme reaction rate, thus the enzyme preparation takes into effect faster, and the combined usage of each ingredient in the activating agent and the enzyme preparation can lower the shearing force of the cooked meat, and the tenderness of pork is improved. The feed complex enzyme preparation for pigs, prepared by the invention, can improve the digestion rate of nitric and phosphorus in the feed by the pigs, thus the discharge amount of phosphorus in the fecaluria of the live pigs is reduced by 40% above, and the discharge amount of nitric is reduced by 29% above; and the feed complex enzyme preparation for pigs takes into effect rapidly, and has obvious effect by 2-3days; and the shearing force of the cooked meat is lowered by 50% above.

The invention provides a multifunctional microorganism organic fish guano. According to a prescription, the multifunctional microorganism organic fish guano comprises the following components in percentage by weight: 25 to 30% of high-protein organic matters, 2 to 5% of compound microorganism bacteria, 8 to 10% of amino acid, 5 to 8% of fulvic acid salt, 25 to 30% of inorganic nitrogenous fertilizer, 15 to 20% of inorganic phosphate fertilizer, 2 to 4% of inorganic potassium fertilizer, 0.5 to 2% of trace elements, and 3 to 6% of zeolite powder; the high-protein organic matter are mainly prepared from poultry excrements, agricultural wastes and rot promoting bacteria by the fermenting process. The preparation method is characterized in that the components as shown in the prescription are overturned and fermented, uniformly mixed, crushed and sieved to prepare the fish guano. The fish guano brings complete and rich nutrition for fish, inhibits fish diseases, improves water quality as well as increases dissolved oxygen in water.

The main purpose of the present invention is to provide solid-chemical compositions and methods and means for their use which specifically: (1) provide for a sustained release of active oxygen and complex inorganic phosphates; and (2) create, enhance, and maintain oxidizing and aerobic conditions which favor non-exothermic, chemical-oxidation processes and aerobic bioremediation and fungal bioremediation processes. The present invention discloses advanced solid-chemical compositions and methods for the non-exothermic chemical oxidation and aerobic and fungal biodegradation of organic compounds and certain inorganic contaminants which may be present in solid and liquid wastes, sludges, leachates, acid-mine drainages, waste waters, soils, sediments, ground waters, surface waters, and other environmental media. The preferred embodiments of the disclosed solid-chemical compositions are prepared and used in the forms of granules, briquettes, tablets, capsules, pellets, and the like, which among other advantages, are easier to handle and apply under typical field conditions. These preferred forms of the disclosed chemical compositions can be made to disintegrate subsequent to their application and / or upon contact with water in a significant and predictable manner via relatively minor variations in their formulation and manufacture. This improved functionality enables the time-dependent release profile(s) of the active-oxygen sources and other ingredients to be varied so as to optimize the remediation of contaminants based on site-specific factors or factors pertaining to the specific waste-stream, media and / or the contaminants therein. Organic contaminants which can be treated using this invention include many different types of petroleum products, and more recalcitrant contaminants such as PCBs, PAHs and pesticides can be degraded by using the disclosed compositions and methods to stimulate fungal biodegradation processes. This invention can also be used to treat inorganic contaminants such as the acids and metals present in acid-mine drainage (AMD).

Disclosed and described are multi-component inorganic phosphate formulations of acidic phosphate components and basic oxide / hydroxide components. Also disclosed are high solids, atomizable compositions of same, suitable for spray coating.

The invention discloses a polycarboxylate superplasticizer containing phosphate groups. The polycarboxylate superplasticizer is prepared from, by weight, 70-80 parts of unsaturated polyether monomer, 0.3-1.0 part of hydrogen peroxide, 2-10 parts of carboxylic acid, 0-18 parts of carboxylic ester, 0.5-1.5 parts of chain transfer agent, 9-28 parts of deionized water X for feed liquid A preparation, 0.1-0.2 part of reductant, 18-26 parts of deionized water Y for feed liquid B preparation and 45-80 parts of deionized water Z for dissolving large unsaturated polyether monomers. Due to the fact that the phosphate groups are introduced to molecular chains, the polycarboxylate superplasticizer containing the phosphate groups is high in water reducing rate and good in slump retaining performance and has very good sulfate and mud resistance capability. A preparation method is simple, the polycarboxylate superplasticizer is synthesized under normal temperature, the energy consumption is low, inorganic phosphate serves as the chain transfer agent, the price is low, the material cost is low, higher-price chain transfer agents in a traditional process can be replaced, and industrial production is easy.

A first method for producing glucan comprises the step of allowing a reaction solution containing sucrose, a primer, inorganic phosphate or glucose-1-phosphate, sucrose phosphorylase, and glucan phosphorylase to react to produce glucans. The maximum value of the sucrose-phosphate ratio of the reaction solution from the start of the reaction to the end of the reaction is no more than about 17. A second method for producing glucan comprises the step of allowing a reaction solution containing sucrose, a primer, inorganic phosphate or glucose-1-phosphate, sucrose phosphorylase, and glucan phosphorylase to react to produce glucans. The reaction is conducted at a temperature of about 40 C to about 70 C.

An anti-corrosion composition for use with a liquid or the liquid resulting from the addition of components is provided. The composition can comprise an acid, a phosphate ester of the acid, an inorganic phosphate, a salt of polyacrylates and a salt of an organophosphonate. The composition can be used with anti-freeze compositions or heat transfer fluids and advantageously exhibits enhanced corrosion resistance properties.

A dentifrice composition having a low water phase comprising effective amounts of polyphosphate and ionic active ingredients. The composition comprises a source of metal ions, an inorganic phosphate salt having four or more phosphorus atoms and a cross-linked polyvinylpyrrolidone thickening agent in a single phase. Preferred metal ions are stannous, copper and zinc, in particular from zinc citrate and stannous fluoride.

The invention discloses a hydrolysis-resistance polyester composition and a preparation method thereof. The hydrolysis-resistance polyester composition is prepared by blending a carboxyl-terminated polyester and a carbodiimide compound serving as an end-capping agent and extruding the blend, wherein the addition amount of the carbodiimide compound serving as the end-capping agent is 0.01 to 10 weight percent based on the weight of the polyester. The preparation method comprises: pre-polymerizing an aromatic dicarboxylic acid or a derivative thereof with an aliphatic divalent alcohol to obtain a low-molecular-weight polymer; subjecting the low-molecular-weight polymer to polycondensation to obtain the carboxyl-terminated polyester, wherein in the polycondensation, an antimony compound, a phosphorus compound and a magnesium compound are added to form a catalyst, and an inorganic phosphate or a compound inorganic phosphate is used as a buffer; and blending the carboxyl-terminated polyester obtained by the polycondensation and the carbodiimide compound and extruding the blend to obtain the hydrolysis-resistance polyester composition. The polyester obtained has high hydrolysis resistance and a small hydrolysis resistance indexes percent BB; and the sizes of foreign matters in the polymer are small.

A binder, a composition, a product and a kit, as well as a process for preparing the binder and composition, are directed to a composition useful as an inorganic phosphate binder, which binder is characterized as having calcium silicate sites which are connected the one with the other by alumina-silica phosphate bonds, and a filler.

Disclosed herein is a heat transfer fluid comprises: a freezing point-depressant; an aliphatic carboxylic acid, a salt thereof, or a combination of the foregoing; an inorganic phosphate; a magnesium compound; deionized water; and a component selected from the group consisting of azole compounds, copper alloy corrosion inhibitors, phosphonocarboxylates, phosphinocarboxylates, and combinations of two or more of the foregoing components. Also described is a heat transfer system comprising the heat transfer fluid.