36results about How to "PH neutral" patented technology

The invention discloses an inorganic salt phase-change cold accumulation material which is prepared from the following raw materials in parts by weight: 100 parts of a 15-25% inorganic salt solution, 1-7 parts of a nucleation agent and 2-15 parts of a thickening agent. Inorganic salt is used as an inorganic phase-change material. The inorganic salt phase-change cold accumulation material has the advantages that the phase-change latent heat is high (can reach 200-400J / g); the heat conductivity coefficient is good (when being compared with an organic phase-change energy accumulation material); no toxin exists and a pH (Potential of Hydrogen) value is neutral; and the price is low. According to the inorganic salt phase-change cold storage material disclosed by the invention, compared with the prior art (the phase-change latent heat is in a range of 100-200J / g), the inorganic salt phase-change cold accumulation material has the advantages of high energy storage density, small condensate depression and good circulatory stability.

The present invention discloses multiphase transfer method for treating waste water with heavy metals in several forms. Multiphase transfer method including replacement, conversion, etc. is adopted to treat waste water with free mercury and compounds of Hg, Pb, Cr, Mn, Zn, Cd, As, Cu, etc. through flocculation, adsorption, etc. The treated water may be reused for closed loop circulation to eliminate water pollution and save water resource. The said water treating technological process may be used in the comprehensive treatment engineering of waste water with complicated heavy metal form. The present invention also discloses the apparatus for the said process.

The invention provides a steel part high temperature labeled inorganic coating. A binder, white pigment and a dispersant according to the weight ratio of 100: (10 to 30):( 0.1 to 5) are mixed with water and are ball-milled into the coating which is white slurry has the average particle size less than 10 mu m, the solid content 20 to 60 weight percent, and the pH value 5 to 9. The white pigment of the coating can be one or more of titanium dioxide, zinc sulfide, lithopone, barium sulfate and talc; the dispersant of the coating can be one or two of sodium cellulose glycolate and sodium alginate; and the binder of the coating can be low temperature crown glass powder or the mixture of the low temperature crown glass powder and water glass, wherein the low temperature crown glass is prepared from raw materials which are less than 180 meshes, are intensively mixed and sintered for 1 to 3 hours at 600 DEG C and ground into less than or equal to 300 meshes; and the raw materials comprise the following components: 60 to 80 percent of P2O5, 1 to 10 percent of B2O5, 15 to 30 percent of ZnO, and 0 to 5 percent of Na2O.

The invention discloses carbon nano fiber paper and a preparation method thereof. The carbon nano fiber paper disclosed by the invention is combined by carbon nano fibers by means of the Van der Waals force and the cross linking of the carbon nano fibers, and the carbon nano fibers comprise one or more of multi-wall carbon nanotubes, single-wall carbon nanotubes, solid carbon nano fibers or activated carbon fibers. The preparation process of the carbon nano fiber paper disclosed by the invention comprises the steps of dispersing, filtering, roasting and rolling. No dispersing agent is needed in the preparation process, and the carbon tubes and the carbon fibers need no functionalized treatment. The carbon nano fiber paper prepared in the invention has the advantages of large specific surface area, good electrical conductivity and high air permeability; the materials are recyclable, so that no waste is generated; and since the process is simple, mass production is liable to achieve.

The invention relates to a composite microbial agent for the rot decomposition of straw and an application method thereof. The composite microbial agent for the rot decomposition of the straw is prepared from, by the number of effective viable bacteria, 3-30 parts of bacillus subtilis, 50-99 parts of bacillus amyloliquefaciens, 1-5 parts of trichoderma asperellum and 1-15 parts of trichoderma longibrachiatum Rifai. The application method of the composite microbial agent for the rot decomposition of the straw comprises the following steps of (1) harvesting and pulverizing the straw; (2) scattering and flat spreading the straw; (3) turning up the soil / conducting rotary tillage; (4) conducting irrigation and soaking; (5) dissolving and spraying the microbial agent; (6) 14-30 days after treatment, completing the rot decomposition of the straw. The composite microbial agent for the rot decomposition of the straw and the application method thereof have the following advantages that the rotof the straw is accelerated; the content of organic matter in the soil is increased; the pollution and fermentation barriers are reduced; the cost is reduced.

The invention relates to the technical field of daily cosmetics, in particular to a color-protecting laundry detergent. The components and their mass fractions of the color-protecting clothing liquid are: 0.01-0.05% of chitin, 1-5% of fluorocarbon surfactant, 5-8% of sodium fatty acid methyl ester sulfonate, and 1-5% of potassium soap , sodium polyacrylate 0.5-1%, ethylene glycol 0.5-5%, propylene glycol 0.02-0.05%, sodium chloride 0.02-0.08%, sodium citrate 0.05-1%, essence 0.01-0.05%, and the balance is deionized water. The color-protecting laundry detergent of the present invention contains a fluorocarbon surfactant, which can form a film on the surface of the fabric to reduce the solubility of the dye, and sodium chloride can improve the color fixation rate of the dye, thereby achieving the effect of color protection and anti-color crossover; Using compound surfactant, it has excellent decontamination ability, neutral pH value, mild and non-irritating to the skin.

The invention discloses a cold-rolled oil sludge degreaser and a use method thereof. The cold-rolled oil sludge degreaser comprises, by weight, 10-20% of a mixed surface active agent, 0-5% of EDTA, 0-5% of sodium metaaluminate, 0-5% of sodium metasilicate nonahydrate, 3-10% of sodium borate, 0-6% of sodium pyrophosphate and the balance of water. The method includes the steps that 1, the degreaser and cold-rolled oil sludge are fully and evenly mixed to form a mixed solution, and accordingly grease in the cold-rolled oil sludge is extracted through the degreaser, wherein the use amount of the cold-rolled oil sludge degreaser in per kilogram of cold-rolled oil sludge is 1.2-3L; 2, the mixed solution stands still for 1.5-2.5 h, then the mixed solution is filtered, the grease is filtered out, and super-fine iron is separated. By means of the degreaser, the grease in the cold-rolled oil sludge is washed, and micro-iron and nano-iron are separated out. Disposal cost of hazardous waste is reduced, ultra-fine iron products with high additional value are obtained, and the problem that ore grease degreasing efficiency in the cold-rolled oil sludge is low is solved.

The invention discloses silicone powder special for an engineering plastic. The silicone powder consists of the following components in percentage by weight: 75-85% of alkyl silicone oil, 10-15% of fumed silica, 3-5% of magnesium carbonate, and the balance of calcium chloride. The silicone powder is specially used in a production process of an engineering plastic, and the production process of the engineering plastic, after silicone master batches disclosed by the invention are added, has the following advantages: the molecular structure power among engineering plastic molecules is enhanced, the mechanical property of the engineering plastic is improved, the fluidity of the engineering plastic is increased, and especially for a flame-retardant engineering plastic, the fluidity between a flame retardant and other raw materials is improved to ensure that the flame retardant can play a stronger flame-retardant effect and cannot deteriorate due to overheating in a screw for a long time. The silicone powder can regulate the pH value of the engineering plastic and enable the pH value to be neutral, and is nontoxic and harmless.

The invention discloses a soil stabilizer for heavy metal lead contamination and a preparation method, and relates to the technical field of environmental remediation. The preparation method includesthe following steps: (1) grinding dry clay mineral, zeolite and slaked lime to obtain raw material powder; (2) evenly and proportionally stirring the raw material powder to obtain a mixed raw material; (3) subjecting the mixed raw material to active purging treatment and heat treatment to obtain the modified soil stabilizer. The soil stabilizer and the preparation method have the advantages that the natural zeolite, the clay mineral and the slaked lime are used as main components of the soil stabilizer, the surface of the mineral is modified by high-temperature heat modification, the adsorption efficiency and pertinence of other minerals such as the zeolite on heavy metal lead are improved, and the soil stabilizer is green and environmentally friendly and does not cause secondary pollutionwhen being added to the soil.

The invention provides red luminescent fluorescent powder and a preparation method thereof. The chemical general formula of the red luminescent fluorescent powder is M1-xAyAl2-ySiN4: xEu, wherein, M is at least one of Mg, Ca, Sr, Ba, Y, and Sc, A is at least one of Gd and Ga, x is not less than 0.01 and not more than 0.2, and y is not less than 0 and not more than 1. The preparation method of the red luminescent fluorescent powder comprises the following steps: a) weighing raw materials, namely M, A, Al, Si and Eu according to the stoichiometric ratio of various elements in the chemical general formula M1-xAyAl2-ySiN4: xEu, and putting the weighed raw materials into an electric arc smelting furnace for smelting to form an alloy; and b) crushing and ball-milling the alloy obtained in the step a), then performing high-temperature sintering in a protective atmosphere, cooling, then taking out, washing and drying to obtain the red luminescent fluorescent powder. The red luminescent fluorescent powder provided by the invention is low in preparation cost, and the preparation process is simple and easy to control.

A process for treating the ash-contained sewage generated by power-and-heating plant features that the red mud contained back water generated in preparing alumina is mixed with said sewage to decrease the content of suspended substances.

The invention discloses a method for detecting the chlorine ion content of sea sand. The detection method comprises the following steps: drying naturally humid sea sand to constant weight, performing sieving, adding deionized water, performing stirring, performing heating, performing standing, and performing filtering to obtain a chloride ion dissolution solution of the sea sand; adding a phenolphthalein reagent into chloride ion dissolution liquid of sea sand, and adjusting the dissolution liquid to be neutral by using an HNO3 solution or a NaOH solution; then adding an H2O2 solution into the dissolved-out liquid to remove the influence of sulfur ions; continuously adding a potassium chromate solution as an indicator, and determining the content of chloride ions in the dissolution solution by adopting a silver nitrate titration method. According to the detection method, chloride ions in the sea sand can be fully released, the influence of factors such as pH values and sulfur ions in the sea sand on the detection result is eliminated, the detection precision is improved, the detection result is more accurate and reliable, and a reliable basis is provided for the use of the sea sand in the engineering field.

The invention relates to a waste gas treatment technology, and aims to provide a method for efficient carbonation and harmless treatment of waste incineration fly ash. Comprising the following steps: uniformly mixing the waste incineration fly ash with water, feeding flue gas containing carbon dioxide into a particle filter, and then feeding filtered gas into a microbubble generator; the method comprises the following steps: feeding microbubbles containing carbon dioxide into a reactor, and carrying out a fly ash carbonation reaction under stirring and ultrasonic conditions to obtain carbonated wet fly ash; and after standing, carrying out drying treatment to obtain blocky carbonated fly ash. The method disclosed by the invention is low in treatment cost and does not need to add any additive; operation is simple and convenient, maintenance cost is low, operation is safe, and high temperature and high pressure are avoided; according to the method, the waste incineration fly ash is subjected to harmless treatment while carbon dioxide is captured, heavy metal is solidified, the alkalinity of the fly ash is reduced, the pH value of a reacted aqueous solution tends to be neutral, and the concentration of the heavy metal reaches the underground water discharge standard.

The invention discloses a preparation process of a high-stability water-based paint. The high-stability water-based paint is prepared from the following components in parts by weight: 80 to 120 partsof water-based resin, 7-12 parts of nano-calcium carbonate, 3-9 parts of a coalescing agent, 0.5-1.5 parts of a preservative, 8-12 parts of talcum powder, 0-24 parts of a pigment, 0.4-1.2 parts of a thickening agent, 0.2-0.6 part of a dispersing agent, 0.1-0.6 part of a defoaming agent and 40-60 parts of deionized water. The preparation method is scientific and reasonable in structure and safe andconvenient to use, the prepared water-based paint is optimal in storage stability, precipitation and layering are not likely to occur after long-time storage, the freeze-thaw stability is optimal, flocculates cannot occur after freezing and thawing, the PH value of the prepared water-based paint is closer to be neutral, and the corrosivity is lower.

The invention belongs to the field of wash supplies, and relates to a broad spectrum sterilization type shampoo and a manufacturing method thereof. The shampoo comprises following components in partsby weight: 1 to 5 parts of dodecyl dimethyl betaine, 1 to 5 parts of stearamido-propyl betaine, 0.1 to 0.6 part of iodine polyvinylpyrrolidone, 2 to 7 parts of OP-10, 3 to 5 parts of AES, 2 to 6 partsof coconut diethanol amide (CDEA), 2 to 4 parts of salt, 0.5 to 1 part of essence, and the balance being distilled water, and the total number of parts by weight is 100. The provided shampoo can clean the hair, and is capable of preventing and treating diseases such as dermatitis, dandruff, and the like, at the same time. The provided shampoo can clean the hair and treat head skin diseases at thesame time, and greatly improves the health.

The invention discloses a high fertilizer rate microbe soil amendment used for tubers, its preparation method and its application method. The method comprises the following steps: mixing 0.5-0.9% of petrochemical powder containing more than 25% of silicon and 5.6-9.6% of amino acid powder, placing in a workshop for fermenting for 3 days at the temperature of more than 10 DEG C; mixing the above mixed semi-finished product with 11.8-13.6% of dihydric phosphate, 22.8-31.7% of sylvite and 15.4-22.3% of ammonium sulfate in proportion and then stirring; fermenting a mixture in the workshop at the temperature of more than 10 DEG C for 15 days, completing the step when the acid and fragrant smell (such as smoked plum flavor) is generated; and finally mixing the fermented mixture with 12.8-16.6% of peat, 4.8-7.5% of shell powder containing calcium carbonate and 8.7-15.4% of serpentine powder in proportion and then stirring to finish the production. The soil amendment uses a special microbe capable of decomposing a phosphatic compound to decompose the above phosphatic compound, and has the advantages that 1)original loose and soft performances as well as vitality of farmland can be thoroughly recovered, and 2) peasant can get profit, the agricultural products with high quality can be eaten by consumers.

The invention provides a mineralized plant nutrient solution as well as a preparation method and application thereof, and belongs to the technical field of microelement fertilizer extraction. The micalex and the vermiculite are used as mineral raw materials, the micalex is rich in phosphorus, potassium, silicon, calcium, magnesium and iron elements and trace chlorine, manganese, molybdenum and zinc elements, and the vermiculite is rich in silicon, magnesium and iron elements; a sulfuric acid solution is used as an extracting solution of trace elements, on one hand, sulfuric acid can react with various metal ions in raw materials, the trace elements are extracted from micalex and vermiculite in the form of sulfate, and a stable sulfate solution is formed after the trace elements are passivated by sulfolobus acidocaldarius; when being used for irrigating saline-alkali soil plants, the plant photosynthesis can be enhanced, the nutrient absorption and utilization rate of crops is increased, the disease resistance and average quality of the plants are enhanced, and the yield of the plants is further increased; on the other hand, the residual free sulfuric acid can be used for transforming the saline-alkali soil, so that the salinity in the saline-alkali soil is reduced, and the pH value of the soil tends to be neutral.

The invention relates to a special purification device for gypsum preparation waste liquid. The special purification device comprises a casing, wherein an isolation layer is arranged between the casing and an inner cavity; the top of the inner cavity is provided with a first filtering screen; the first filtering screen is connected with a separator; the separator is fixed through a support frame;an outlet at the bottom of the separator passes through a fixing hole in the middle of the separation plate to extend onto a drying machine; a recovery box is arranged at the bottom of the drying machine; a liquid outlet is formed in the right side of the separator; the liquid outlet is connected with a filter device; the filter device comprises a protection case and a support frame; the protection case is fixed in the inner cavity through the support frame; a buffer layer is arranged inside the protection case; a filter core is arranged inside the buffer layer and is connected with the filter; a liquid conveying opening formed in the bottom of the filter is connected with a liquid inlet in the sterilization device; a second filter is arranged on the liquid conveying opening; the sterilization device is connected with a pipe fitting; the pipe fitting extends to the outer side of the casing. The special purification device has the advantages that the work precision is high; the structure stability is improved; the service life is prolonged; the purification efficiency is improved; the filtering effect is good; the environment friendliness is improved; the environment sanitation is reinforced.

The invention provides a novel reagent capable of dissolving mouse zona pellucid. The reagent comprises baclofen, wherein the concentration of the baclofen is 300 uM-10mM; and the pH value of the reagent is 5-6. The reagent disclosed by the invention is fast in mouse zona pellucid dissolution, high in pH value and slight in embryo damage and can be applied to in vitro fertilization, in vitro artificial nuclear transfer and other experimental techniques.

The invention belongs to a bio-organic fertilizer containing humic acid and wormcast and a preparation method. The bio-organic fertilizer is prepared from the following raw materials: wormcast, a humic acid organic raw material, a chemical fertilizer, carbide slag, furfural residue and a microbial agent, wherein the chemical fertilizer is urea phosphate. The bio-organic fertilizer has the advantages of increase of soil organic matter content, improvement of soil, increase of fertilizer utilization rate, easily available raw materials, low cost, realization of industrialization and very wide application prospect.

The invention relates to a novel environment-friendly tree trunk whitewashing agent and a preparation method thereof, belongs to the technical field of tree maintenance, and provides the novel environment-friendly tree trunk whitewashing agent in order to solve the problems that a traditional whitewashing agent is poor in whitewashing effect, trunk-boring pests are difficult to control, the trunk-boring pests are prone to falling off, the heat preservation effect is poor, and the trunk-boring pests have toxicity and are harmful to the environment. The whitening agent comprises the following raw materials: alginate, calcium sulfate, diatomite, beta-cyclodextrine, white wood fiber, instant silicate, a retarder, xanthan gum and a bifenthrin aqueous solution, and the whitening agent is neutral, is friendly to the ecological environment, does not cause soil hardening and salinization, has a gel property, can fill bark cracks of tree trunks, and has a good whitening effect. The tree trunk protection agent has the advantages that the tree trunk protection agent can well contact with overwintering eggs in tree bark cracks, the killing effect is improved, the tree trunk protection agent has certain thickness and hardness after being coated on tree trunks, damage of trunk borers to the tree trunks can be reduced, and the product is mainly used for protecting the trees.

Belonging to the technical field of daily detergents, the invention discloses an eco-environment-friendly healthy concentrated laundry powder and a preparation technology thereof. The eco-environment-friendly healthy concentrated laundry powder is composed of the following components by mass: 15-21 parts of alpha-sodium olefin sulfonate; 3-5 parts of glycerol; 8-15 parts of sodium carbonate; 8-15parts of sodium bicarbonate; 5-8 parts of citric acid; 1-3 parts of dodecyl glucoside; 1-3 parts of coconut oil powder; 25-37 parts of sodium chloride; 0.01-0.03 part of food-grade essential oil spice; and 0.005-0.008 part of a preparation liquid. The production process of the concentrated laundry powder does not discharge waste smoke or wastewater and causes no pollution to the atmospheric environment and water sources, wastewater dumped in the use process of the product provided by the invention can complete biodegradation within five days, and does not cause secondary hazard to the naturalenvironment. The unique instant dissolution technology is not affected by water temperature. The PH value is neutral, thus causing no stimulation and no injury to hands; the production materials adhere to food-grade raw materials, and are free of anhydrous sodium sulphate, sulfonic caustic soda, fluorescent brightener or other harmful substances.

The invention belongs to the field of metal material corrosion and protection, and relates to a B30 copper-nickel alloy compound corrosion inhibitor suitable for a strong acid medium and a preparationmethod thereof. The B30 copper-nickel alloy compound corrosion inhibitor suitable for the strong acid medium is prepared from a benzotriazole linseed oil amide derivative, carbamido linseed oil, sodium molybdate and isopropanol. The corrosion inhibitor has the following advantages that on the one hand, the benzotriazole linseed oil amide derivative, as a main agent of the corrosion inhibitor, haswide sources and is environmentally friendly; the production process is simple, and purification postprocessing of products is not required; and on the other hand, through compound use with other reagents, uniform corrosion and corrosive pitting of white copper B30 materials can be inhibited, and corrosion inhibition efficiency in the strong acid corrosive medium is over 98%.