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40results about How to "Good surfactant" patented technology

Composite material based on nanometer, preparation method of composite material and application in flexible energy storage device

The invention relates to the field of chemical energy storage devices such as super capacitors, batteries and the like, and particularly discloses a composite material based on nanometer, a preparation method of the composite material and application in a flexible energy storage device, which solve the problem that common energy storage devices are difficult to be bent and deform. Nanometer active materials are compounded with flexible fibers, high-energy-storage characteristics of the nanometer active materials and excellent flexibility of flexible fiber materials are integrated, the quality percentage of the nanometer active materials ranges from 0.1% to 40%, the rest components of the composite material are the flexible fibers, the flexible nanometer composite material in a three-dimensional communication network structure is formed, furthermore, the composite material can be used as an electrode active material and a current collector simultaneously so as to be assembled to form the bendable flexible energy storage device, higher specific capacity can be realized under a bending condition and is equivalent to that when the flexible energy storage device is not bent, and the composite material can be expected to be applied to the field of flexible devices in the future.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Cationic dye printing and dyeing wastewater treatment process

InactiveCN101381173ACost efficientThe advantage is that it is suitable for low costMultistage water/sewage treatmentAfter treatmentEvaporation
The invention provides a cationic dye printing-dyeing wastewater treatment process, which belongs to the technical field of wastewater treatment. The treatment process uses a foam separation technique to treat cationic dye printing-dyeing wastewater, and concretely comprises the following: step 1, cationic dye printing-dyeing wastewater is collected and detected; step 2, the cationic dye printing-dyeing wastewater is pretreated; step 3, foam separation cyclic decolorization is carried out, which comprises a step of discoloring four times, wherein a device is a bubbling tower with the diameter of 32 mm; the decolorization needs sodium dodecyl benzene sulfonate as anionic surfactant every time; the cationic dye printing-dyeing wastewater after treatment meets the GB8978-1996 secondary discharge standard every time and is directly discharged; and a cationic dye crude product obtained by filtering anti-foam liquid is applied to a printing-dyeing procedure again; and step 4, evaporation and crystallization are carried out, and the collected cationic dye crude product is applied to the printing-dyeing procedure. The process has the advantages that the process can realize the industrial production of cationic dye printing-dyeing wastewater treatment, is convenient to operate and low in cost, and can greatly reduce secondary pollution.
Owner:HEBEI UNIV OF TECH

Preparation method of fruit and vegetable cleaning agent compounded with Schisandra chinensis extract and camellia oleifera cake extract

The invention discloses a preparation method of a fruit and vegetable cleaning agent compounded with Schisandra chinensis extract and camellia oleifera cake extract. The invention adopts the ethanol / acetone method extract of schisandra chinensis and the ethanol method extract of camellia oleifera cake, combined with resin separation technology , respectively purify the extract of Schisandra chinensis and the extract of camellia oleifera, after purifying the above extracts, freeze-dry to obtain extract powder, and mix the extract powder of schisandra chinensis and camellia oleifera cake to obtain a compound fruit and vegetable cleaning agent. The compound fruit and vegetable cleaning agent of the present invention can ensure that unhygienic things such as soil, dirt, pesticides, germs, insect eggs, etc. on the surface of fruits and vegetables are cleaned, and does not affect the freshness of fruits and vegetables during the shelf life, and has biological High safety, low toxicity, high efficiency, less dosage, excellent performance in cleaning and decontamination and removal of pesticides on the surface of fruits and vegetables, broad sterilization and antibacterial spectrum, and strong antibacterial ability; not only can wash away the dirt on fruits and vegetables , microorganisms and insect eggs, and will not change the nutritional content and taste of fruits and vegetables.
Owner:ZHONGKAI UNIV OF AGRI & ENG +1

Manganese ore slag foamed rare earth ceramic profile and preparation method thereof

The invention discloses a manganese ore slag foamed rare earth ceramic profile and a preparation method thereof. The manganese ore slag foamed rare earth ceramic profile is prepared from, by weight, manganese ore slag powder and a rare earth formulation additive, and the ratio of the manganese ore slag powder to the rare earth formulation additive is (38-85):(15-35). The rare earth formulation additive is prepared from, by weight, solid waste material powder and rare earth powder, and the ratio of the solid waste material powder to the rare earth powder is (50-90):(10-60). Manganese ore slag is mainly adopted as a main raw material, and is smashed and milled, then rare earth elements are added according to a certain formulation, high-temperature roasting is carried out after casting, and various profiles including plates, columns, bars, pipes, edges and other building and decoration profiles of all types needed in the building industry are formed after hard processing and surface treatment. The manganese ore slag foamed rare earth ceramic profile and the preparation method thereof have the advantages that the use amount of the manganese ore slag is large, the technological process is simple, no secondary pollution exists, and resource utilization of the manganese ore slag is achieved; the rare earth elements are added, so that foamed ceramic is higher in strength, better in toughness, more even in bubble, thinner in bubble wall and smaller in weight.
Owner:四川维杏生物科技有限公司

Hollow plate ceramic filter membrane and preparation method thereof

The invention belongs to the field of porous ceramic materials, and particularly relates to a hollow plate ceramic filter membrane and a preparation method thereof. The technical problem to be solved by the invention is to provide the hollow plate ceramic filter membrane and the preparation method thereof. The filtering membrane is prepared by the following steps: taking heat-conducting Al2O3 ball defective products as main raw materials, and then supplementing specific fluxing agents, phase change reinforcing agents, sintering agents, pore forming agents, binding agents, plasticizers and expanding agents, performing extrusion molding, drying and sintering to obtain a hollow flat plate ceramic membrane support body; and then dipping into dipping slurry consisting of alpha-alumina powder, limestone powder, magnesite powder, ferrosilicon ash powder, zircon sand powder, titanium dioxide powder, copper oxide powder, cellulose, Guangxi white mud, paper pulp waste liquid and an expanding agent, taking out and firing, thereby obtaining the product. Waste resources are fully utilized, the raw material cost is greatly reduced, and the prepared hollow plate ceramic filter membrane can be widely applied to liquid-solid separation in the industries of industrial and domestic wastewater treatment, brewing, chemical engineering, medicine and the like.
Owner:PANZHIHUA UNIV

Zirconium oxide ceramic cylinder sleeve material and preparation method thereof

The invention provides a zirconium oxide ceramic cylinder sleeve material and a preparation method thereof. The zirconium oxide ceramic cylinder sleeve material is prepared from the following raw materials of 65 to 85% of zirconium oxide, 3 to 5% of yttrium oxide, 2.5 to 4.5% of neodymium oxide, 1 to 5 % of graphite, and 5 to 10% of molybdenum carbide. The preparation method comprises the following steps of (1) pretreatment: weighing the graphite and the molybdenum carbide according to a proportional ratio, soaking by dilute nitric acid to treat, and separating solid and liquid, so as to obtain the pretreated graphite and molybdenum carbide; (2) performing ball milling on the raw materials to obtain a slurry; (3) granulating: spraying the slurry, and granulating; (4) putting the granulating powder in the step (3) into a die, pre-forming and pressing, and performing cold isostatic pressure treatment, so as to obtain a blank; (5) pre-calcining the blank in step (4), and removing an adhesive out of the blank; (6) sintering the blank in step (5), and densifying the blank into ceramic, so as to obtain the zirconium oxide ceramic cylinder sleeve material. The zirconium oxide ceramic cylinder sleeve material has the characteristics that the abrasion-resistant, corrosion-resistant and high temperature-resistant properties are realized, and the friction coefficient is little.
Owner:ANHUI TUOJITAI NOVEL CERAMIC TECH

Fireproofing agent capable of efficiently resisting sparks generated in electric welding and preparation method thereof

The invention discloses a high-efficiency fire retardant for flame-retardant sparks during electric welding and a preparation method thereof. Its raw material components are calculated by weight percentage from 20% to 28% sodium silicate, 5% to 9% disodium hydrogen phosphate, 1% to 2% titanium dioxide, 0.2% to 0.6% chalk powder, 1% to 2% sodium dodecyl sulfonate and 60%~70% water. The preparation method is to mix sodium silicate with water, stir until the solid is completely dissolved, then add disodium hydrogen phosphate, stir to make it evenly mixed, add chalk powder and titanium dioxide, then add sodium dodecylsulfonate and continue stirring to make the solid completely Dissolved, and the resulting reactant was cooled to room temperature to obtain a high-efficiency flame-retardant fireproofing agent for sparks during electric welding of the present invention. The present invention has a high-efficiency fire retardant for flame-retardant sparks during electric welding, which can be used as a spray-type portable reagent. At the same time, the reagents used in this solution are basically inorganic reagents, which not only have good fire prevention effect, but also are low in price and are environmentally friendly and harmless.
Owner:SHANGHAI INST OF TECH

A kind of preparation technology of fatty alcohol polyoxyethylene ether ricinoleate

ActiveCN106519209BImprove performanceWith physiological functionsFractionationHigh fat
The invention discloses a technology for preparing fatty acid polyoxyethylene ether ricinoleate. The technology includes the steps that the main ingredient glyceryl ricinoleate in raw materials of ethoxylated fatty alcohol and castor oil is heated to be boiled under the combined action of an organic tin catalyst, a polymerization inhibitor and entrainer methylbenzene, and then the fatty acid polyoxyethylene ether ricinoleate can be obtained through transesterification. By the adoption of the technology, the azeotropic fractionation ester exchange process is adopted, micromolecule alcohol, acid and the like of by-products in the reaction process are removed from a fractionator by means of azeotropic distillation, and thus the polyoxyethylene ether ricinoleate with the single ingredient is obtained. Serving as the main intergradient of a high fat film, the product prepared through the method has good wetting, film formation and lubricating effects, the high corrosion resistance is further achieved, and the defect that the high fat film is prone to corrosion is effectively overcome. The product has extremely-high stability at the normal temperature and can be effectively mixed with various pesticides and plant nutritional ingredients, uniform high fat films can be formed on the surfaces of plant bodies, and the requirement for the high fat films with different purposes can be met.
Owner:杨凌静玥生物科技有限公司
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