141 results about "Sodium malate" patented technology

The invention relates to a neutral blocking remover composition for oilfield oil extraction, which is prepared from the following components in parts by weight: 30-35 parts of acrylic acid-methyl acrylate copolymer, 44-50 parts of diethylene triamine pentaacetic acid, 30-35 parts of sodium polyepoxysuccinate, 30-35 parts of amine malate, 10-14 parts of sodium alkyl sulfonate, 5-8 parts of amine hydroxy ethylidene diphosphate, 10-14 parts of hydrolyzed polyacrylamide, 12-17 parts of atlapulgite, 20-25 parts of sodium persulfate, 7-10 parts of sodium lignosulfonate, 5-8 parts of tannin, 12-16 parts of sodium malate, 5-8 parts of sodium sulfosuccinate, 5-8 parts of starch, 9-12 parts of methyl lactate, 0.2-0.3 part of vanadium pentoxide and 0.1-0.3 part of diisobutyl carbinol. The neutral blocking remover composition for oilfield oil extraction has the advantages of high blocking removal speed, no corrosivity due to neutrality and no dead area, can quickly dissolve the material scales, clean the oilfield stratum and remove blocking, and does not generate the phenomenon of precipitation or secondary blocking; and the cleaning waste liquid does not need to be subjected to sewage treatment after returning to the ground.

The invention discloses an environment-friendly crosslinking and gelling retarding profile control agent and a preparation method thereof and belongs to the field of enhanced oil recovery technologies for oilfields. The profile control agent comprises a primary agent, i.e. hydrophobic association, a crosslinking agent, i.e. aluminum citrate, an antioxidant, i.e. sodium sulfite, and a retarding agent, i.e. sodium malate, and contains all the ingredients in percentage by weight: 0.1-0.4% of hydrophobic association, 0.01-0.02% of aluminum citrate, 0.015-0.025% of sodium sulfite, 0.005-0.020% of sodium malate and the balance of water. The profile control agent disclosed by the invention has the characteristics that the profile control agent is environment-friendly and is free of damage/injury to environments/human bodies; the crosslinking is retarded, and the gelling time is prolonged, thereby being beneficial to high-dose injection and deep profile control; the plugging rate is high; and the profile control agent has certain temperature-resistant and salt-tolerant performance and scouring resistance. The profile control agent can be used for adjusting a water absorption profile of a water-flood well and improving the water-flood development effect of oilfields.

The invention provides a preservation method of an ultrafiltration membrane, which comprises the following steps: immersing an ultrafiltration membrane in a reagent solution for 0.5-8 hours, wherein the reagent is one or more of calcium chloride, sodium chloride, magnesium chloride, anhydrous sodium sulfate, anhydrous magnesium sulfate, sodium citrate, sodium malate and sodium lactate, and the concentration of the reagent solution is 1-40 wt%; and airing the immersed ultrafiltration membrane at the ambient temperature of 5-40 DEG C, and preserving. The selected reagent has the actions of a humectant, and the ultrafiltration membrane is immersed and aired to obtain the dry-state ultrafiltration membrane, thereby avoiding various problems caused by wet-state preservation of the ultrafiltration membrane on the premise of not influencing the original properties of the ultrafiltration membrane or maximally reducing the influence on the properties; and therefore, the ultrafiltration membrane treated by the method provided by the invention can be preserved for a long time without molding, reeking or producing any other corrosion phenomenon, thereby greatly lowering the requirements for storage and transportation conditions and the cost for storage and transportation.

The invention discloses antibacterial and antiseptic waterproof packaging paper which comprises a paper body, antiseptic layers, bamboo rind layers, LLDPE films and surface layers. The antiseptic layers coat the upper surface and the lower surface of the paper body, the bamboo rind layers coat the surfaces of the antiseptic layers, the LLDPE films coat the surfaces of the bamboo rind layers, and the surface layers coat the LLEDPE films. Each antiseptic film is formed by polypropylene, polystyrene, sodium malate and methylcellulose in a mixing mode, and each surface layer comprises a cellulose thin film layer and an antibacterial layer coating the cellulose thin film layer. On the basis of the prior art, antiseptic effects of the packaging paper is greatly improved, the bamboo rind layers which are stuck to the packaging paper enable the packaging paper to have better hardness and toughness, and the packaging paper can be directly used for being manufactured to be a packaging box or a gift bag. The LLDPE thin films are contacted with food, the paper is not directly contacted with the food, therefore, lots of bacteria on the surface of the paper and chemical components of the paper are isolated, and the antibacterial and antiseptic waterproof packaging paper better conforms to sanitary and environmental requirements, is excellent in waterproof and oil-proof effects, can completely avoid permeation of water and oil, and facilitates usage for packaging. The antibacterial layers coat the cellulose thin film layers, and the antibacterial effect of the paper is good.

The invention belongs to the field of paper making chemicals, in particular relates to a preparation method of ultrafine particles of guar gum, which uses cation guar gum and polyanion to prepare ultrafine particles through a gelation reaction. The preparation method comprises the following steps: (1) dissolving 100 parts by weight of cation guar gum in water to prepare into a solution with the concentration of 0.5-20mg/ml, and dissolving 0.1-60 parts by weight of polyanion in the water to prepare into a solution with the concentration of 1-60mg/ml; and (2) dropwise adding the water solution of the polyanion into the water solution of the cation guar gum slowly and stirring for 5-60min to obtain ultrafine particles which are uniformly dispersed, wherein the polyanion comprises one or several kinds of trimeric sodium phosphate, poly-sodium malate, sodium carboxymethyl cellulose and sodium carboxymethyl starch. The preparation method has simple processes and moderate reaction conditions;the prepared ultrafine particles of cation guar gum are in a regular round spherical shape and have uniform size, high stability and good repeatability; and the surface charge of each particle is a positive value.

The present invention discloses multiple microbe waste water treating agent and its waste water recovering and utilizing process. The multiple microbe waste water treating agent consists of K2HPO4, KH2PO4, MgSO4.7H2O, CaCl2.2H2O, NH4Cl, DL-sodium malate, yeast extract paste, EDTA-2Na, FeSO4.7H2O, H3BO4, CaCl2.6H2O, ZnCl2, biotin, nicotinic acid, L-sodium glutamate, growth factor liquid, trace element liquid, MnCl2.2H2O, Na2MoO4.2H2O, NiCl2.6H2O, CuCl2.2H2O, p-aminobenzoic acid, vitamin B1, vitamin B2, vitamin B6 and water. When the waste water treating agent is used in treating waste water, optimized microbe seeds are thrown in certain proportion. The present invention is used in treating waste water from plant fiber degradation with biological enzyme, and has high treating effect, short treating period and low treating cost.

The invention discloses a wrapping paper mildew-proof agent, and a preparation method thereof. The wrapping paper is prepared from the following raw materials, by mass: 10-15 parts of stone-like omphalia, 15-18 parts of celastrus angulatu, 10-15 parts of rangoon creeper fruit, 8-12 parts of sodium malate, 10-15 parts of calcium hydroxide and 2-3 parts of cinnamon aldehyde. The wrapping paper mildew-proof agent can be directly sprayed on the surface of wrapping paper, and can be added into the paper pulp of wrapping paper as a raw material. With the mildew-proof agent, mildew appearance can be effectively prevented. The mildew-proof agent is green, environment-friendly, pollution-free and nontoxic. The mildew-proof agent is suitable to be used for preventing mildew of various wrapping papers.

The invention discloses a preparation method of fish collagen oligopeptide, which takes marine fish skin as raw material, and is subjected to enzymolysis and other treatments to prepare a product witholigopeptide content higher than 96%, wherein the protease used in the enzymatic hydrolysis process contains L-Sodium malate and trimethylglycine can promote the hydrolysis of collagen and increase the yield of small molecular fish collagen oligopeptide. The fish collagen oligopeptide can be widely used in functional food and pharmaceutical industries such as wine industry, beverage industry, condiment industry, health care industry, oral liquid, tablet, capsule and so on. The fish collagen oligopeptide prepared by the invention has the beneficial effects that the molecular weight of the fishcollagen oligopeptide is concentrated in 300-1000Da small molecule mixed peptides, easy to be absorbed by small intestine, human skin and other direct, reduce the waste of nutrients; and the contentof heavy metals is small, the quality is better.

The invention relates to an activating agent for preparation of an embedded film resistor, a preparation method of the embedded film resistor and the embedded film resistor. The activating agent for preparation of an embedded film resistor comprises water, zinc sulfate, DL-sodium malate and zinc powder, wherein the concentration of the zinc sulfate is 20-200 g/L; the concentration of the DL-sodium malate is 10-50 g/L; and the concentration of the zinc powder is 5-30 g/L. The activating agent is free of chlorine and palladium. Experiments prove that after a substrate is activated by using the activating agent, a nickel-phosphorus film can be formed on the substrate at a low temperature through chemical plating, the energy consumption is low, and no chlorine is introduced into the chemical plating solution, thereby ensuring the stability of the plating solution. The activation performed by using the activating agent is beneficial to lower the preparation cost of the embedded film resistor; and ensuring the stability of the plating solution is beneficial to ensure the quality of the nickel-phosphorus film, thereby ensuring that the embedded film resistor has favorable property.

The invention relates to novel lining paper for cigarettes. The surface of the basic layer of the lining paper is coated with coating liquid with tobacco extract being a main solute component. The coating liquid comprises, by weight, 15-25 parts of tobacco extract, 18-28 parts of alcohol, 90-110 parts of water, 0.1-3 parts of starch, 0.08-0.5 part of belta-carotene, 0.05-0.3 part of sodium malate, 0.01-0.08 part of honeysuckle essential oil, 0.01-0.08 part of honey extract and 0.01-0.08 part of lycopene. Due to the fact that the surface of the basic layer of the lining paper is coated with the coating liquid with the tobacco extract being the main solute component, the novel lining paper is environmentally friendly; through adding the honeysuckle essential oil, the honey extract and the lycopene, tobaccos generate the cool and refreshing smell of honeysuckles, the cigarette flavor is promoted, smoking flavor is corrected, finally, the smoking flavor of the tobaccos is improved, the natural sweet aroma of the tobaccos is increased, the taste of dryness, acerbity and bitterness is improved for consumers, and requirements of the consumers are met.

The present invention relates to salt exchange process of synthesizing dicreatine malic acid. The technological process includes the following three steps: neutralization reaction between creatine and hydrochloric acid or sulfuric acid to produce creatine hydrochloride or creatine sulfate, and neutralization reaction between malic acid and sodium hydroxide or calcium hydroxide to produce sodium salt or calcium salt of malic acid; exchange reaction between creatine hydrochloride or creatine sulfate and sodium salt or calcium salt of malic acid to produce dicreatine malic acid and sodium chloride/calcium chloride or sodium sulfate/calcium sulfate; and membrane separation to eliminate sodium chloride/calcium chloride and to obtain filtrate, concentration, dewatering and stoving to obtain dicreatine malic acid product with high quality and purity over 99.8 %.

The invention discloses a preparation method of chitosan synergistic antibacterial liquid, and the preparation method of chitosan synergistic antibacterial liquid comprises the following steps: first, compounding chitosan with a high molecular weight and chitosan with a low molecular weight in the ratio of 3: 1 to 10: 1, dissolving the chitosan with the high molecular weight and the chitosan with the low molecular weight in an acetic acid solution, adding a malic acid and sodium malate compound water solution, and stirring for 1-5h in water bath at 50 to 60 DEG C to obtain the chitosan synergistic antibacterial liquid. The preparation method is a new method to improve the antibacterial ability of the chitosan, the prepared chitosan synergistic antibacterial liquid has excellent antibacterial properties, can be widely used in cleaning supplies, fungicides and food preservation and other fields.

The invention discloses black garlic capsules and a preparation method thereof. The black garlic capsules are prepared from the following raw materials in percentage by weight: 5-10g of black garlic, 2-4g of citric acid, 3-6g of sodium citrate, 0.1-0.2g of sodium malate, 3-5g of calcium carboxymethylcellulose and 81.9-86.9g of starch octenyl succinate anhydride. The product disclosed by the invention is prepared by the following steps: adding water to black garlic to grind to slurry by a colloid mill; then, mixing with liquor prepared by from other auxiliary materials; stirring for 80-120 minutes at a rotate speed of 180-220r/m; then, spraying, drying, pelletizing, leveling and uniformly packaging to prepare the black garlic capsule products. With the adoption of the preparation process, the raw materials of the product are small in grain size and smoothfine, and are beneficially distributed and dissolved-out in vivo, so that the absorption and utilization effect of the product is facilitated. The product disclosed by the invention is convenient to carry and take, low in preparation cost and good in market prospect.

The invention relates to a methylobacterium zatmanni strain MR1. The methylobacterium zatmanni strain MR1 is preserved in the China Center for Type Culture Collection, and is assigned with the accession number of CCTCC M 2017322. The methylobacterium is methylotrophic bacterium obtained by adopting activated sludge embedded by sodium alga acid domesticated by formaldehyde as the material and through separation of an inorganic salt culture medium of the methylobacterium, the methylobacterium can grow in the culture medium taking formaldehyde as the unique carbon source, has the resistance achieving 30mM for formaldehyde on a solid culture medium, grows normally in a liquid culture medium in which 5mM methanol and 2-15 mM formaldehyde are added, and has relatively high removal rate for formaldehyde with high concentration in the culture medium. MR1 also can grow in the inorganic salt culture medium adopting sodium acetate, sodium malate or sodium citrate as the unique carbon source, andthe growth is the best when sodium malate is adopted as the carbon source. When MR1 grows in the culture medium containing sodium acetate, sodium malate or sodium citrate, the added benzene series compounds can be removed, and the removal rate achieves 100%.

The invention discloses a mildewproof agent for wrapping paper. The mildewproof agent is prepared from sodium malate, butyl paraben, sorbic acid, ethyl cellulose and ethanol. The mildewproof agent has the advantages of reasonable formula, good use effect and low production cost.

The invention discloses a novel bean curd coagulant, which is prepared by 1 part of sodium malate, 2 parts of calcium malate, 1 part of sodium succinate, 1 part of calcium acetate, 1 part of sodium tartrate, 3 parts of calcium lactate and 2 parts of magnesium citrate by weight. The novel bean curd coagulant is the organic acids coagulant which majors in calcium and magnesium organic acid salt so as to accelerate solidification of the bean curd; and bean curds prepared by the novel bean curd coagulant is exquisite smooth and has better taste.

The invention discloses a black garlic chewable tablet and a preparation method of the black garlic chewable tablet. The black garlic chewable tablet is prepared from the following raw materials in percentages by weight: 5-10g of black garlic, 2-4g of citric acid, 3-6g of sodium citrate, 0.1-0.2g of sodium malate, 6-12g of xylitol and 77.9-83.9g of octenyl succinic acid modified starch. The raw materials of the black garlic chewable tablet disclosed by the invention are small, fine and smooth in particle sizes so that the black garlic chewable tablet can be well distributed and digested in a human body to facilitate the absorption and the utilization of a black garlic chewable tablet product; and the prepared black garlic chewable tablet product is fine, smooth, lubricating and free from roughness sense in chewing mouth feel, moderately sweet and sour, good in palatability, more conductive to the chewing and taking by people, and convenient to carry about and take, can be conveniently carried about and chewed by people timely, and has a higher effect advantage, and a better market prospect.

The invention discloses a copper alloy chromium-free passivation solution which is composed of, by weight, 20-30 parts of lanthanum alloy salt, 30-40 parts of hydrogen peroxide, 1-5 parts of amino acid, 5-10 parts of sodium malate, 1-5 parts of a stabilizer and 30-50 parts of deionized water. The copper alloy chromium-free passivation solution is good in passivation effect, binding force between a passivation film and a plating is large, a copper alloy treated by the passivation solution is obviously improved in corrosion resistance, and the environment pollution problem can be effectively avoided.

A barium and strontium scale inhibitor composition for an oil recovery waterflood system of an oilfield is prepared from the following raw materials: 40 to 50 parts of polyanhydride, 20 to 24 parts of glucose ammonium acetate, 3 to 5 parts of diethylenetriam inepentaacetate, 4 to 6 parts of sodium hydroxyacetate, 10 to 13 parts of sodium dihexyl sulfosuccinate, 8 to 12 parts of sodium malate, 5 to 7 parts of hexamethylenetetramine, 16 to 19 parts of sodium phenolsulfonate, 4 to 6 parts of sodium alcohol ether sulphate, 5 to 7 parts of amino acid sodium salt, 4 to 6 parts of polyethylene glycol, 5 to 7 parts of ethyl lactate, 3 to 7 parts of tert-butyl hydroperoxide, 0.1 to 0.3 part of diethylene glycol laurate, and 60 to 70 parts of water. The barium and strontium scale inhibitor has remarkable effects of complexation, low limitation and lattice distortion, and can effectively inhibit the formation of barium sulfate scale and strontium sulfate scale; the barium and strontium scale inhibitor composition provided by the invention contains no phosphorus and is highly biodegradable so as not to accumulate in the environment and cause water pollution; meanwhile, formation damage is reduced, so that the technical difficulties of scaling and corrosion of gathering and transportation systems and oil recovery equipment of the oilfield are solved.

The invention discloses a surface treatment method of an aluminum alloy part containing zinc and magnesium elements. The surface treatment method comprises the following steps: the aluminum alloy part is provided; the aluminum alloy part is polished to reach a mirror surface effect; the aluminum alloy part is degreased by using degreasing solution; the black film stripping treatment is performed tothe aluminum alloy part; anodic oxidation treatment liquid, including acid solution and an additive with a concentration of 0.5 mg/L to 25 g/L, is used for anodically oxidizing the polished aluminum alloy part to form an oxide film on the surface of the aluminum alloy part, wherein the additive is one or several in ammonium adipate, 1, 2, 3-benzotriazole, oxalic acid, sodium malate or glycerin; and closing liquid is used for sealing the anodically oxidized aluminum alloy part. The invention further provides the anodic oxidation treatment liquid applied to the surface treatment method and an anodic oxidation treatment method. The aluminum alloy part, obtained by the surface treatment method, has no bank markon the surface, and has better glossiness.

The invention provides a color-changing lip balm. The color-changing lip balm comprises 65-90 parts of an emollient, 13-18 parts of an excipient, 0.3-2 parts of a colorant, 0.02-1.0 parts of a stabilizer and 0.5-6 parts of an additive, wherein the emollient is a combination of any of isohexadecane, octyldodecanol, tridecyl trimellitate, diisostearyl malate, ethylhexyl palmitate, isopropyl myristate, caprylic/capric triglyceride, polyglycerol-2-triisostearate, pentaerythritol tetraisostearate, isopropyl isostearate, jojoba ester, hydrogenated isobutylene, C30-45 alkyl cetyl stearyl polydimethylsiloxane crosslinked polymer; the colorant is anthocyanin; the stabilizer is a combination of any of malic acid, sodium malate, potassium malate, glutamic acid and lysine. The color-changing lip balmhas the characteristics of safety, stable use and obvious color-changing process. The invention further provides a preparation method of the color-changing lip balm.

The invention discloses a water-soluble antioxidant derusting antirust liquid which is prepared from the following raw materials in parts by weight: 1-2 parts of 1H-benzotriazole, 1-2 parts of dodecenylsuccinic acid, 3-4 parts of sodium malate, 6-8 parts of flax oil, 2-3 parts of hydrochloric acid, 4-5 parts of polypropylene glycol acrylate, 1-2 parts of peregal O, 6-9 parts of sodium silicate, 1-2 parts of triglycidyl cyanurate, 1-2 parts of EDTA disodium, 4-5 parts of an auxiliary agent, and 300 parts of water. Through combined action of the high-molecular polymer monomers and the chelating agent, a thin film can be formed on a metal surface, thereby playing roles in isolating air, adhering an antirust agent and preventing oxidation; through use of sodium malate and the flax oil, the antirust liquid not only isolates the air, but also resists oxidation; through use of hydrochloric acid, the antirust liquid can rapidly remove rust; the antirust liquid is easy to clean up, and can immediately be removed by water washing; and the antirust liquid has few harmful substances, can prevent metals from discoloring, and is applicable to long and short term rust prevention of metal products and machinery parts.

The present invention belongs to the field of one kind of biological bacterial waste water treating agent, which consists of K2HPO4, KH2PO4, MgSO4.7H2O, CaCl2.2H2O, NH4Cl, DL-sodium malate, yeast extract, EDTA-2Na, FeSO4.7H2O, H3BO4, CaCl2.6H2O, ZnCl2, biotin, nicotinic acid, L-sodium glutamate, growth factor solution, trace element solution, MnCl2.2H2O Na2MoO4.2H2O, NiCl2.6H2O, CuCl2.2H2O, p-amino benzoic acid, vitamin B1, vitamin B2, vitamin B6 and water. When it is used in treating waste water at certain temperature, pH value and pressure, optimized bacterial strains in certain proportion are thrown. The present invention is used in treating waste water from enzyme degradation of plant cellulose, and can reach high waste water treating effect, short treating period, capacity of reusing the treated waste water and low production cost.

The invention discloses a fruit and vegetable detergent containing cumquat fruit extract. The fruit and vegetable detergent is prepared from the following raw materials in parts by weight: 10-15 partsof cumquat fruit extract, 5-12 parts of sucrose ester, 5-20 parts of sodium malate, 10-25 parts of acetic acid, 1-3 parts of diacetyl monoglyceride tartrate, 2-6 parts of ethoxylated glyceryl ester,1-3 parts of sodium bicarbonate and 60-90 parts of water. The fruit and vegetable detergent containing cumquat fruit extract is reasonable in raw material and matching design, can effectively remove pesticide residues on the surfaces of fruits and vegetables, and bacteria on the surfaces of the fruits and vegetables; and the cumquat fruit extract is a pure natural and safe raw material, is not pungent in smell, does not cause secondary pollution on fruits and vegetables, and does not stimulate hand skin of a user.