71results about How to "Strong coagulation" patented technology

A coated microparticulate composition comprising a microparticulate; wherein the microparticulate comprises a benefit agent; and wherein the microparticulate is coated with: a Type-1 Polymer, wherein the Type-1 Polymer comprises a cationic polymer with a cationic atom content greater than about 3 wt. % and a weight average molecular weight less than about 800,000 Dalton; and a Type-2 Polymer, wherein the Type-2 Polymer comprises a cationic polymer with a cationic atom content less than about 3 wt. % and a weight average molecular weight greater than about 1,000,000 Dalton.

The invention relates to environment-friendly biomass fuel with good formability. The biomass fuel is renewable biomass fuel free of any harmful substance, which is prepared by mixing wood dust powder and an additive, wherein the additive is high clay having high viscosity and strong adsorptive power; and the biomass fuel is prepared by mixing the wood dust and the additive according to a ratio of 9:1. The high clay additive is beneficial to formation of wood dust particles, and the multiporous fiber-like structure of the high clay additive can adsorb tar in flue gas from a heating system in the biomass fuel processing course, thereby preventing the tar from being attached to a granulator and a chimney and further avoiding influencing the granulating effect. Besides, the additive also solves the problem that the tar is difficult to remove and clean.

The invention relates to a preparation method of powdered butyronitrile rubber. The preparation method comprises the following steps: polymerizing acrylonitrile, butadiene, an emulsifier, an electrolyte, mercaptan, an initiator, an activator and deionized water to obtain butyronitrile rubber latex; coagulating butyronitrile rubber latex, deionized water, an anti-aging agent, a polymeric flocculant, a coagulant and a separant to obtain powdered butyronitrile rubber slurry; centrifugally dewatering the powdered butyronitrile rubber slurry in a centrifugal machine until lowering the water content to be smaller than 40%; then feeding the wet slurry into a cyclone drying bed by a screw feeder, wherein the inlet temperature of a drying tower is 90-120 DEG C; and separating materials by a 16-mesh sieve and a 40-mesh sieve to obtain the powdered butyronitrile rubber with water content smaller than 1.0%. The method has the following advantages that (1) compared with inorganic salt, the polymeric flocculant is stronger in coagulation capability and lower in use amount; (2) the content of inorganic salt in waste water after coagulation is low, the waste water is simple to treat and the cost is low; (3) the worker labor intensity of salt preparation is lowered.

The invention relates to an expansion and solidification type plugging agent which comprises the following components in parts by weight: 0.5-2 parts of a calcium sulphoaluminate expanding agent, 1-4 parts of polypropylene fibers, 0.1-1 part of a water adsorption expansion type polymer, 1-5 parts of super absorbent resin SAP, 2-6 parts of puffed starch, 2-6 parts of salt-resistant clay, 20-40 parts of calcium carbonate and 0.1-0.5 part of high viscosity polyanionic cellulose PAC-HV. The preparation method comprises the following steps: sequentially adding the components in parts by weight to a kneading machine by a conventional preparation method under normal temperature and pressure; uniformly mixing and stirring; and crushing to a particle product with the grain size of 0.01-0.5mm till being dried. The plugging agent provided by the invention has the characteristics of high expansion rate, viscous flow capacity, plugging capacity, strong salt-resistance, flowability, pumpability, good coagulability, simple process, safe and quick construction, long coagulability, wide source of raw materials, high plugging success rate and the like, and is widely applied to plugging processes of large pore paths, subterranean rivers and great Karst cave leakage strata in petroleum and geological drilling.

The invention discloses a sludge dewatering additive. The sludge dewatering additive comprises raw materials with the weight ratios as follows: 20 to 70 parts of magnesium chloride, 30 to 80 parts of modified dolomite, 0 to 5 parts of calcium chloride, and 8 to 10 parts of heavy calcium carbonate. The sludge dewatering additive disclosed by the invention destroys cell water in sludge, so that after a large number of moisture contained in the cell water of the sludge is lost and the sludge is filter-pressed and then placed in a natural environment, the moisture in the cell water of the sludge can continuously evaporates; and after the sludge is naturally desiccated for 36 hours, the water content in the sludge can be reduced to around 10 percent, thereby providing a very good basis for reutilization of the sludge. Meanwhile, by using the sludge dewatering additive disclosed by the invention, heavy metal in the sludge can be solidified in the sludge, cannot be absorbed by plant roots, and cannot be diffused into soil and water. Therefore, the sludge dewatered by using the sludge dewatering additive disclosed by the invention cannot cause secondary pollution, and when the dewatered sludge is used as raw material of fertilizer, fuel or building material, secondary pollution cannot be caused.

Ice grape wine producing process includes the steps of picking, squeezing, fermentation, filtering, sterilizing, etc. The grape fruits picked at temperature lower than ¿C7 deg.c are crushed, stem eliminated and squeezed; the squeezed juice is added with SO2 in 120 ppm inside one automatic SO2 adding device, and low temperature fermented with natural yeast strain collected from grape fruit and through screening and domestication at 13-15 deg.c for 40-70 days. The ice grape wine as high-end wine has alcohol content of 10-11 vol%, residual sugar content of 100-160 g / L, rich fragrance of wine, honey and fruit and good taste.

The invention provides a biomass briquette fuel. The biomass briquette fuel is formed by mixing biomass raw material particles with fuel additives, and then crushing, mixing, drying, extruding and granulating; the weight percentage of the biomass raw material particles is 90-95%; the weight percentage of the fuel additive is 5-10%; the biomass raw material particles are composed of saw dust, bamboo dust, straws and rice straws; and the fuel additives are composed of quick lime, a combustion improver and high clay. The biomass briquette fuel is low in dust content which is greatly lower than the dust content of the fuel coal, and also high in combustion value and advantageous for improving the efficiency and the output of a boiler.

The invention discloses a water treatment agent for spinning and a preparation method therefor. The water treatment agent is composed of an agent A and an agent B, wherein the agent A consists of aluminium hydroxide gel, chitosan, lime, disodium polyepoxysuccinicate, corn starch, sodium gluconate, sodium lignin sulfonate, activated carbon, a corrosion inhibitor and powdered auxiliaries; and the agent B consists of sodium metaaluminate, ferric chloride hexahydrate, ferrous sulfate septihydrate, sulfuric acid, calcium sulfate, cereal starch, urea and water. The preparation method comprises: respectively packaging the agent A and the agent B, and uniformly mixing after the agent A is crushed into powder through raw materials, thereby obtaining the water treatment agent; and the agent B is prepared and fused by the raw materials which are heated and reacted. According to the water treatment agent, by virtue of mixed regulation and use of the agent A and the agent B, the water treatment agent can be suitable for acidic and basic spinning polluted wastewater, can effectively remove organic pollutants and heavy metals in wastewater, can accelerate settling time of aggregates, can reduce sewage treatment cost, and can improve sewage treatment efficiency.

The invention provides underground filling mortar used for mine and prepared from steel slag sand and beneficiation waste. The underground filling mortar comprises a composite gel material and fine aggregate in a mass ratio of 1: (6-12), wherein the composite gel material is prepared from iron tailing powder, superfine slag powder, quick lime, desulfurized fly ash and an additive; a mass ratio ofthe superfine iron tailing powder to the superfine slag powder to the quick lime to the desulfurized fly ash is (5-25): (40-75): (5-20): (5-15): (0-5); the fine aggregate is composed of superfine irontailing sand and steel slag sand; and a mass ratio of the superfine iron tailing sand to the steel slag sand is (8-20): (5-12). The raw materials are reasonably matched, so the prepared filling mortar is high in uniaxial compressive strength, good in fluidity, convenient to construct and low in engineering cost.

The invention discloses an external wall heat-insulation material for constructional engineering. The external wall heat-insulation material is prepared from the following raw materials in parts by weight: 15 to 20 parts of water-quenched slag, 20 to 30 parts of portland cement, 10 to 15 parts of hollow spherical zirconium oxide, 5 to 10 parts of silicon micro-powder, 10 to 20 parts of glass wool,10 to 20 parts of ceramic fiber cotton, 5 to 10 parts of hollow ceramic microspheres, 3 to 7 parts of expansive soil, 5 to 10 parts of attapulgite, 5 to 10 parts of a functional auxiliary agent basedon PPS-biphenylvinylsiloxy-heptacyclopentyl substituted derivative, 1 to 3 parts of a foaming agent, 1 to 2 parts of polyurethane and 25 to 35 parts of water. The invention further discloses a preparation method of the external wall heat-insulation material for the constructional engineering. The external wall heat-insulation material for the constructional engineering, disclosed by the inventionhas excellent comprehensive performance, remarkable heat-insulation effect and strong flame-retarding performance, heat insulation and coagulation performance.

The invention relates to the technical field of silk industry, and discloses a silk dyeing process wastewater treatment agent and a preparation method thereof. The wastewater treatment agent comprises the following materials in parts by weight: 20-30 parts of polyaluminium chloride, 20-30 parts of polyacrylamide, 1-15 parts of ferric sulfate, 1-10 parts of modified diatomite, 1-10 parts of composite aluminum ferric flocculant, 1-10 parts of defoaming agent, 5-15 parts of absorption agent and 10-40 parts of deionized water. The reaction speed of the preparation method disclosed by the invention is fast, the effect is good, and no secondary pollution is generated during reaction; harmful substances are not used, and polysaccharide used as the flocculant is natural, nontoxic and degradable and has a strong agglomerating function on suspended matters; the preparation method disclosed by the invention is simple and easy to operate, and the materials used for preparing the silk dyeing process wastewater treatment agent are low in price.

The invention relates to a method for preparing a sweet potato solid culture medium. In the specific method, improvement is carried out on the basis of the preparation of the culture medium for the traditional sweet potato tissue culture, carrangeenan is used as a coagulant and replaces agar to be added into the culture medium of the sweet potato, and the used concentration of the carrangeenan is optimized and adjusted. In the preparation method, the coagulant is not needed to be heated and boiled for melting in the preparation process, the prepared culture medium has the advantages of high coagulability, high water holding property, stable pH value before and after sterilization, and the like. Compared with the agar which is used as the coagulant of the culture medium for the sweet potato tissue culture, the invention has no obvious influence on the growth and propagation of the sweet potato seedlings in test tubes, while the cost of the culture medium is decreased by 40%-50%.

The invention provides a clinker-free high-performance low-cost novel composite cementing material. The composite cementing material is composed of the following components in percentage by mass: 10-25% of quick lime, 5-20% of desulfurized ash, 0-11% of a modified material and 50-95% of a composite admixture. The composite admixture is composed of iron tailing powder and superfine slag powder, wherein the iron tailing powder accounts for 20%-45% by mass of the total raw materials of the composite cementing material, and the superfine slag powder accounts for 30%-50% by mass of the total raw materials of the composite cementing material. The invention provides an appropriate mixing ratio, and the gelling activity of iron tailing sand is activated by using low-cost quicklime, low-cost desulfurized ash and a small amount of strong alkali and weak acid salt. The adopted raw materials are cheap industrial raw materials and industrial waste, and high-temperature roasting, grinding and otherprocedures are not needed for preparation, so engineering cost and the construction difficulty are remarkably reduced.

The invention discloses coagulant for industrial wastewater treatment and a manufacturing method thereof. The coagulant for industrial wastewater treatment is prepared from, by weight, aluminum hydroxide, ferric hydroxide, ferric sulfate, magnesium sulfate, calcium sulfate, poly dimethyl diallyl ammonium chloride, hydrochloric acid, phosphoric acid, polymethylacrylamide, polyethylacrylamide, cationic-type polyacrylamide, starch, sodium carboxymethylcellulose, modified activated carbon and water. The coagulant has the advantages of being efficient, rapid in precipitation, high in adaptability, convenient to operate, low in consumption and the like; raw materials are easy to obtain, the cost performance is high, the coagulant can be industrially produced in a large scale, has the strong condensation effect, and is wide in application range and capable of treating raw water and industrial wastewater of various types; the water treated by the coagulant is stable in chemical property, and normal use is not affected.

The invention discloses notoginseng whitening toothpaste. The notoginseng whitening toothpaste is prepared from the following raw materials in parts by weight: 8 to 10 parts of catechin, 3 to 5 parts of sodium phytate, 35 to 40 parts of nanoscale superfine silicon dioxide, 3 to 8 parts of sodium bicarbonate, 2 to 2.5 parts of sorbitol, 2.5 to 3 parts of sodium lauroyl sarcosinate, 22 to 26 parts of glycerinum, 0.5 to 1.5 parts of notoginseng extract, 14 to 24 parts of deionized water, 0.1 to 1 part of compound enzyme and 1.5 to 5 parts of far infrared abrasive. The notoginseng whitening toothpaste has the characteristics that the effects of hemostasis, inflammation resistance, analgesia and the like of notoginseng are fully used, bad breath can be quickly removed, and the scouring and whitening effects can be achieved.

The invention discloses a novel early strength agent for concrete and a method for preparing the novel early strength agent. The novel early strength agent comprises, by weight, 20-25 parts of CaO, 20-25 parts of Al2O3, 4-6 parts of Nb2O5, 3-7 parts of MgSO4, 15-20 parts of barite powder, 15-20 parts of zeolite powder, 0.3-0.7 part of Bi2O3, 1-3 parts of Li2CO3, 0.2-0.4 part of NaCl and 0.2-0.4 part of KCl. The method includes carrying out ball-milling on various components; calcining the various components at the temperatures of 850-900 DEG C; carrying out ball-milling on the various components and reagents such as calcium and aluminum hydrotalcite to obtain the novel early strength agent for the concrete. The novel early strength agent and the method have the advantages that excellent early strength effects can be realized by the novel early strength agent, the novel early strength agent is high in strength, has low calcination temperature and is a promising admixture for the concrete, and the like.

Disclosed is an activated metal salt flocculant in which the flocculation activity of a metal salt flocculant is significantly improved. The activated metal salt flocculant is produced by electrolyzing a metal salt flocculant or an aqueous solution containing the metal salt flocculant.

The invention discloses a concrete water permeable brick which comprises a surface layer, a middle layer and a lower layer, wherein the surface layer consists of the following components in percentage by weight: 38-42% of cement, 55-57% of fine sand with granularity of less than or equal to 0.5mm and 3-5% of pigment; the middle layer consists of the following components in percentage by weight: 40-45% of cement and 55-60% of coarse sand with granularity of less than or equal to 0.5-3mm; and the lower layer consists of the following components in percentage by weight: 45-50% of cement, stone powder with granularity of 5-8mm and 5-10% of talc powder. The invention also discloses a preparation method of the concrete water permeable brick. In the concrete water permeable brick and preparation method thereof, three-layer material distribution is implemented, and the materials are mixed according to respective proportions on the layers; and the concrete water permeable brick has the advantages of good water permeability, high coagulability, high compressive strength, environmental friendliness and low cost.

The invention belongs to the technical field of building materials, and particularly relates to mine underground filling mortar which comprises a cementing material, water and fine aggregate in a massratio of 1: (2.0-2.6): (4-10). The cementing material comprises the following components in parts by weight: 14-27 parts of iron tailing powder, 45-62 parts of superfine slag powder, 12-24 parts of quick lime and 3-12 parts of desulfurized fly ash. The fine aggregate is all-iron tailing sand, and the particle size of the all-iron tailing sand is 0.15-2.36 mm. The activity and potential hydraulicity of the iron tailing powder and the superfine slag powder are utilized; relatively high coagulability and hardness are realized; quick lime is used for providing an alkaline environment for slag hydrolysis, so that an acid film layer and an irregular chemical chain structure on the surface of the slag can be destroyed, and ideal cementitious materials are prepared; and meanwhile, the iron tailing sand with relatively hard performance is solidified to prepare the mortar, and the mortar has good fluidity within a certain period of time, so that pipeline transportation in engineering application can be realized.

The invention discloses a dyeing wastewater treating agent and a preparing method thereof. The dyeing wastewater treating agent is prepared from aluminum hydroxide gel, sodium metaaluminate, lime, grain starch, sodium silicate, sodium lignin sulfonate, activated carbon, a powder auxiliary, urea and water. The aluminum hydroxide gel, the sodium metaaluminate, the sodium silicate, the sodium lignin sulfonate, the activated carbon and the powder auxiliary are sequentially added to a reaction kettle, the lime is added into water to prepare lime water, the lime water is slowly added into the reaction kettle while being stirred, heating is conducted at a constant temperature, and stirring is even; then, cooling is conducted, and the grain starch and the urea are added to be evenly stirred at the constant temperature. According to the dyeing wastewater treating agent and the preparing method thereof, organic pollutants and heavy metal in wastewater can be effectively removed, the settling time of aggregates can be shortened, the cost of wastewater treatment is reduced, and the efficiency of wastewater treating is improved.

The invention discloses a gulfweed polysaccharide-based edible packaging film. The packaging film comprises, by weight, 56-82 parts of wheat flour, 20-38 parts of gulfweed polysaccharides, 2-10 parts of sucrose, 0.2-0.3 part of active polypeptides, 2-10 parts of vegetables, 5-15 parts of eggs, 10-25 parts of chitosan and 2-10 parts of water, and a weight ratio of the gulfweed polysaccharides to the sucrose is (2-15):1. Materials daily eaten by people are adopted as the raw materials of the packaging film, so the produced packaging film can be used as a packaging film for foods and medicines, has good instant solubility and mechanical performances, also can be used as a food to relieve hunger, and can remove free radials on the surfaces of the foods, delay the oxidation time of the foods and facilitate the prolongation of the shelf life of the foods and the improvement of the quality of the foods when used for packaging fresh vegetables or meat products.

The invention discloses a preparation method for a poly(melamine-formaldehyde) polymeric microsphere three-dimensional template material. The preparation method comprises the following steps: uniformly mixing melamine and formaldehyde, in a mol ratio of 1: 10-50, in 100 mL of deionized water, then slowing heating the obtained mixture to 30 to 85 DEG C for prepolymerization for 20 to 60 min; then adding a proper amount of formic acid or acetic acid drop by drop for a precipitation reaction for 40 to 80 min and subjecting a reaction product to centrifugation and washing so as to obtain poly(melamine-formaldehyde) polymeric microspheres; dispersing the microspheres in water so as to obtain an emulsion with a solid-liquid ratio of 0.5-1 g: 100 ml, subjecting the emulsion to natural sedimentation for 5 to 10 d and then carrying out vacuum drying at 35 to 45 DEG C. The polymeric microsphere template material prepared by using the method has the characteristics of uniform particle size, small particle size, large specific surface area, neat and ordered structure, strong adsorptivity, great coacervation effect, strong surface reaction capability, etc.

The invention discloses a lightweight flame-retardant constructional engineering external wall insulation material. The lightweight flame-retardant constructional engineering external wall insulationmaterial is prepared from, by weight, 10-20 parts of phenolic resin, 2-4 parts of organic silicon foam stabilizer, 20-30 parts of sepiolite, 5-9 parts of quartz sand, 2-6 parts of ash calcium powder,1-3 parts of polyvinyl alcohol, 10-20 parts of water, 10-20 parts of polyphenyl propylene, 8-10 parts of calcium stearate, 2-4 parts of aluminum silicate fibers, 3-5 parts of a flame retardant, 7-9 parts of an inorganic thickening agent, 3-5 parts of a light stabilizer, 6-8 parts of a film forming agent, 2-6 parts of a flame retardant, 5-9 parts of a dispersing agent, 3-5 parts of a coupling agentand 4-6 parts of a flexibilizer. The lightweight flame-retardant constructional engineering external wall insulation material is promising in market prospect, suitable for large-scale production andexcellent in heat insulation performance and accords with national policies in external wall insulation materials.

The invention discloses wear-resistant lubricating grease. The wear-resistant lubricating grease is prepared from the following raw materials in parts by mass: 5-15 parts of graphene, 30-40 parts of adimerized urea compound, 10-20 parts of paraffin-based medium-viscosity oil, 1-2 parts of zinc dialkyl dithiophosphate and 50-55 parts of base oil. The wear-resistant lubricating grease is low in cost, improves the wear resistance under the condition that the equivalent quality is guaranteed, has relatively strong coagulating ability, and is unlikely to lose.

The invention discloses a cigarette holder adhesive and a preparation method thereof. The cigarette holder adhesive consists of an aqueous solution of Pullulan and levan, wherein the mass concentration of the Pullulan is 0.1-10 percent (W / V), and the mass concentration of the levan is 0.01-1 percent (W / V). The product does not contain any chemical additive, is combusted into carbon dioxide and water vapor, has slight burnt flavor, is safe to human body, non-toxic and harmless, high in initial adhesion and high in drying speed, does not have monomer residues and can be suitable for performing holder adhesion for a high-speed cigarette making machine at the speed of 10000-12000 cigarettes per minute.

The process of treating waste water from vegetable pickling production includes the following steps: pre-treatment of waste water; electrolytic treatment in an electrolytic bath with anode of aluminum and cathode of other conducting material; and separation between salt water and precipitate. The treated supernatant is clear water containing only salt and is reused to save water and salt and lower production cost. The present invention can avoid soil and water pollution, protect environment and low production cost.

The invention discloses an industrial dyeing sewage treatment agent and a preparation method thereof. The treatment agent is prepared from following components in mass percent: 25-35% of polyaluminum chloride, 10-12% of lime, 12-18% of grain starch, 9-11% of kaolinite, 4-6% of graphene, 10-12% of palygorskite, 14-16% of kieselguhr, 0.8-1.2% of potassium permanganate and 1.5-2.5% of bleaching powder; the preparation method comprises the following steps: respectively smashing lime, kaolinite, palygorskite and kieselguhr into powder, mixing, and fully and uniformly stirring, adding potassium permanganate, fully mixing, finally, sequentially adding polyaluminum chloride, grain starch, graphene, and bleaching powder, uniformly mixing, smashing, carrying out microwave treatment, bagging and sealing, so as to obtain the industrial dyeing sewage treatment agent. The industrial dyeing sewage treatment agent disclosed by the invention has a high agglomeration effect on organic pollutants and impurities in the dyeing sewage and can effectively remove pollutants in the sewage; the sedimentation time of condensation products is shortened, the sewage treatment efficiency is improved, and the treated sewage can reach the emission standards; the treatment agent is simple and convenient to produce and small in investment, takes effects quickly and is free of secondary pollution.

The invention relates to a traditional Chinese medicine preparation used for curing hemorrhoids and a preparation method thereof. The preparation is made from the active drug ingredients processed by dioscorea rhipogomoides, pod of pagodatree, cassia seed, oyster (calcined), ginseng, subprostrate sophora and honeysuckle and a pharmaceutically acceptable carrier according to a certain proportion by processing. The carrier is starch. Compared with the prior art, the traditional Chinese medicine preparation provided by the invention has obvious curative effects when being used for treating internal hemorrhoids of phase I and phase II.