724results about How to "High ion exchange capacity" patented technology

A tempered glass substrate of the present invention is a tempered glass substrate, which has a compression stress layer on a surface thereof, and has a glass composition comprising, in terms of mass %, 40 to 71% of SiO2, 3 to 21% of Al2O3, 0 to 3.5% of Li2O, to 20% of Na2O, and 0 to 15% of K2O.

A tempered glass of the present invention is a tempered glass having a compression stress layer in a surface thereof, the tempered glass comprising, as a glass composition in terms of mol %, 45 to 75% of SiO2, 3 to 15% of Al2O3, 0 to 12% of Li2O, 0.3 to 20% of Na2O, 0 to 10% of K2O, and 1 to 15% of MgO+CaO, and having a molar ratio (Al2O3+Na2O+P2O5) / SiO2 of 0.1 to 1, a molar ratio (B2O3+Na2O) / SiO2 of 0.1 to 1, a molar ratio P2O5 / SiO2 of 0 to 1, a molar ratio Al2O3 / SiO2 of 0.01 to 1, and a molar ratio Na2O / Al2O3 of 0.1 to 5, characterized in that the surface or an end surface of the tempered glass is etched after tempering treatment.

The invention relates to a charcoal-based organic fertilizer and a preparation method thereof. The charcoal-based organic fertilizer has the advantages of low cost, environment friendliness, good fertilizer efficiency, wide application range, high fertilizer efficiency utilization rate and pest prevention. The preparation method comprises the steps as follows: adding starter cultures to chicken manure and soybean meal respectively for fermentation, after drying, crushing and mixing crop-residue-derived carbon, the treated chicken manure and soybean meal with ground phosphate rock, adding wood vinegar to the mixture with stirring, performing granulation, and obtaining the charcoal-based organic fertilizer after cooling and drying.

A filter sheet is provided which comprises a self-supporting fibrous matrix having immobilized therein particulate filter aid and particulate ion exchange resin, wherein said particulate filter aid and particulate ion exchange resin are distributed substantially uniformly throughout a cross-section of said matrix. A process for removing ionic impurities from a photoresist solution is also provided which comprises passing the photoresist solution through said filter sheet to remove ionic impurities therefrom.

The invention discloses a medlar and red date enzyme and a preparation method thereof, which belong to the technical field of enzyme preparation. Multi-strain composite fungi powder is adopted as a leavening agent; the medlar and the red date are adopted as main raw materials; dietary fiber, pectin hydrolyzate, seasoner extracting liquor, Chinese herbal medicine extracting liquor, enzyme stabilizer and other multifunctional auxiliary raw materials are scientifically compounded and modified; low-temperature processing technology such as ultrasonic cleaning, cryogenic grinding, microwave-assisted high-voltage pulse electric field processing and ultrasonic ripening are mainly adopted in the whole process, so that the natural colors, the flavor, the taste and the content of the active materials of the medlar and the red date are maintained furthest, the biological stability, the non-biological stability and the biological activity of the medlar and red date enzyme are obviously enhanced, the introduction of chemical addition agent is reduced, and the juicing rate of the medlar and the red date as well as the food safety of the enzyme are improved. Finally, the medlar and red date enzyme with high biological activity, strong stability, strong taste, flavor and appetite, long expiration date and edible safety is prepared.

A polymer electrolyte membrane comprises at least one layer of a perforated sheet having many through-holes formed substantially parallel to the thickness direction with an average cross-sectional area per hole ranging from 1×10−3 to 20 mm2, wherein the numerical aperture based on the through-holes ranges from 30 to 80%, and the through-holes are filled with an ion exchange resin.

The invention relates to the field of water treatment, specifically to a method for removing metal ions from an aqueous solution by the use of hydrotalcite. The method provided by the invention comprises the step of removing metal ions from an aqueous solution by the use of hydrotalcite. The metal ions, which refer to heavy metal ions or radioactive substance ions, comprise one or more selected from the group consisting of mercury, chromium, lead, arsenic, cadmium, tin, copper and zinc heavy metal ions. The radioactive substance ions comprise uranium, thorium and radium ions. According to the invention, hydrotalcite is applied in metal ions-containing sewage processing, leading to high metal ion removing efficiency and obvious effects. In the meanwhile, raw material sources for the preparation of hydrotalcite are extensive, the cost is low, the preparation method is simple, energy consumption is low and the investment is also low. Therefore, the method provided by the invention has an extensive application prospect.

A polymer film substrate is irradiated with ions to make a large number of nano-sized through-holes and the substrate is further irradiated with an ionizing radiation so that a functional monomer is grafted or co-grafted onto a surface of the film and within the holes; in addition, the sulfonic acid group is introduced into the graft chains, thereby producing a polymer ion-exchange membrane that has high oxidation resistance, dimensional stability, electrical conductivity and methanol resistance, as well as an ion-exchange capacity controlled over a wide range.

The invention discloses a denitrification dephosphorization antibacterial composite water treatment material used for water reclamation, belonging to the field of environmental protection. In the invention, zeolite is modified by a method combining high temperature activation and chemical treatment; natural clinoptilolite is treated by a NaCl solution for the first time to improve ammonia nitrogen removal capacity and reaction speed of the zeolite; then the zeolite is treated by lanthanum chloride used as a loading agent, wherein lanthanum is attached to the surface of the zeolite in a form of lanthanum oxide and is electrically absorbed to phosphate radical ions to generate lanthanum phosphate complex for dephosphorization; and finally, by utilizing ion-exchanging property of zeolite particles and loading inorganic antibacterial ion Ag+ inside pore canals of the zeolite by adopting a liquid phase ion-exchange method, silver ions and oxygen molecules generate ROS during bacteriostasis, and enzyme in a respiratory chain is inhibited by generated super-oxidation activators, thereby achieving the purpose of bacteriostasis. The invention takes the natural clinoptilolite as an absorbent, has the advantages of rich raw materials, low price, convenient reclamation, low cost on water treatment, and obvious denitrification dephosphorization antibacterial effect in the water reclamation.

The invention discloses an organic substrate suitable for planting vegetables, melons and fruits and a preparation method thereof. The preparation method is characterized by comprising the following steps of: mixing the following materials in percentage by weight: 30 to 40 percent of water hyacinth, 20 to 35 percent of sawdust, 10 to 20 percent of biomass char, 10 to 20 percent of wormcast, 0.3 to 1.1 percent of beneficial microflora, and 0.8 to 1.7 percent of nonmetallic mineral, and stirring the materials by using water with an EC value of less than 150US.cm<-1>; fermenting for 48 hours in a storeroom at the temperature of between 20 and 28 DEG C, and composting for 25 to 30 days at the temperature of between 40 and 90 DEG C so as to prepare the organic substrate. The organic matrix hasthe advantages of rich nutrition, strong air permeability, low cost, and capacities of improving the plant yield and quality and reducing the plant diseases and insect pests.

The invention discloses a preparation method of a nano oxide coated long-life lithium ion sieve adsorbent. The method comprises the steps of: 1. dissolving a nano oxide and crushed lithium ion sieve adsorbent powder respectively in a same solvent according to a mass ratio of 1-10:100, and conducting ultrasonic dispersion for 0.5-3h to obtain two solutions; 2. mixing the two solutions uniformly, adjusting the PH to 8-10 with ammonia water, evaporating the solvent to dryness under stirring, and grinding the material obtained by evaporation to obtain nano oxide coated adsorbent powder; and 3. blending the nano oxide coated adsorbent powder with a polymer containing organic solution, conducting stirring for 2-4h, then adding the obtained suspension into deionized water drop by drop, thus obtaining the uniform spherical granular adsorbent with a particle size of 1-5mm. The preparation method of the nano oxide coated long-life lithium ion sieve adsorbent provided by the invention can improve the service life of the lithium ion sieve adsorbent.

The invention discloses a ceramic coating membrane and a preparation method thereof. The steps are as follows: the preparation of stem grafting ceramic powder, the preparation of functional power containing lithium-ion, the preparation of coating slurry and the preparation of ceramic coating membrane. The preparation method of ceramic coating membrane, provided by the invention is that: benzene sulfonate containing lithium is grafted on the surface of the ceramic powder, and then the ceramic powder grafted is coated on a polyolefin microporous membrane, thereby obtaining the ceramic coating membrane is obtained. The preparation method has the advantages of simple process, low requirements to equipment, easiness in condition control and low cost, and is suitable for industrial production. Due to the ion exchange capacity and hydrophily of the ceramic coating membrane prepared by the method, the ceramic coating membrane has a strong electrolyte infiltrating capability, is high in membrane breaking temperature, and has improved safety.

The present invention discloses a watermelon juice probiotic fermented beverage and a preparation method thereof. The beverage preparation method uses watermelons as raw materials, scientifically blends prebiotic factors, does not add any essences and coloring matters, mainly uses low-temperature processing technology such as ultrasonic wave cleaning, high-pressure pulsed electric field treatment, biological enzymolysis, vacuum degassing, etc. in the whole process, replaces the existing heat sterilization and enzyme blunting technology, maintains the color and luster, flavor and mouth feel of the natural watermelon juice to a maximum degree, enhances the non-biological stability and biological stability of the watermelon juice, reduces the addition of chemical additives, increases the juice squeezing rate and food safety of the watermelon juice, and has a probiotic live bacteria content of 7 multiplied by 10^11 to 8 multiplied by 10^11 cfu / ml. The watermelon juice probiotic fermented beverage is environmentally friendly, can be processed into probiotic solid beverage and quantitatively packaged beverage which have natural taste, are nutritious and health-care, are convenient to drink, and have longer shelf lives, opens up a new way for watermelon deep processing and industrial development, and can achieve better economic and social benefits.

The invention discloses a selective catalytic reduction denitration catalyst. The selective catalytic reduction denitration catalyst comprises a carrier, an active substance and a cocatalyst, wherein the carrier is a protonated titanium nanotube; the active substance is a transition metal oxide which is obtained by firing an active substance precursor; and the cocatalyst is a transition metal oxide which is obtained by firing a cocatalyst precursor. The invention also discloses a preparation method for the selective catalytic reduction denitration catalyst. The preparation method comprises the following steps: performing hydrothermal treatment to titanium dioxide (TiO2) particles and a strong alkali solution; washing with acid; washing with water; soaking into an organic solvent; drying to obtain the protonated titanium nanotube; and loading the active substance and the cocatalyst by an immersion method. The preparation method for the catalyst is simple, safe and low in cost. Comparedwith the traditional commercial catalyst, the prepared catalyst has a longer service life and has an unique advantage in smoke with high alkali metal and alkaline-earth metal contents.

The invention relates the soil conditioner, comprising the following steps: using porous inorganic matter as raw material, adding 3wt%-50wt% forming agent and 0.1-50wt% activating agent, granulating, and getting the product. The soil conditioner can modify soil physicochemistry deseription; it can be mixed with inorganic or organic fertilizer. It also can be used as carrier to product microbe soil conditioner. It is mixed with organic matter to product organic fertilizer which contains high nitrogen content.

The invention discloses a preparation method of polysaccharide-base hydrogel. Cellulose and chitosan are used as base bodies; under the effects of a crosslinking agent and an initiator, the polysaccharide-base hydrogel is obtained by using the cellulose and the chitosan as the base bodies through in-situ polymerization and functional monomer copolymerization. In the copolymer, some active functional groups (such as carboxy groups, mesidino, hydroxyl groups and sulfonic groups) are introduced onto the surface of cellulose and chitosan, so that the self swelling performance and the ion exchange capability of the self are enhanced; good adsorption capability is realized on the cation dye in the waste water. In addition, the raw material reserves are rich; the regeneration performance is realized; the biological degradability and the biocompatibility are realized; good application prospects are realized in cation dye waste water treatment.

The invention discloses an adsorptive ion-exchange material, including a polymer of formulas land II. The material has adsorption ability as well as ion-exchange ability for absorbing metal ions, and can be directly spun into fibers of varying diameters. The invention also discloses a method for treating wastewater containing metal ions using the disclosed adsorptive ion-exchange material.

The invention belongs to the technical field of water processing, and in particular relates to a method for purifying oil-containing waste water of catering and complete equipment thereof. The methodcomprises the following steps: mechanical-type oil-dirt separation, coagulation treatment of suspended substances, air floatation biochemical treatment, and biological filtration and sterilization. Compared with the prior art, the method of the invention has the characteristics of high removal efficiency, simple equipment, low running cost, convenient operation, management and maintenance, and caneffectively remove large amount of organic substances and grease in the waste water, the mmonian and chroma of the waste water, and the like, and enables every outlet water index to satisfy the requirement of recycle water.

The invention discloses a probiotics troche and a preparation method thereof. Functional leavening agents and germinated brown rice, Chinese herb medicine extract with anti-cold and hot irritability and a stabilizer capable of effectively enhancing the stability are added into a yoghourt fermenting process; poikilothermal yogurt fermentation enables proliferation of lactic acid bacteria to the maximum extent, so that the anti-cold and hot irritability of lactic acid bacteria is improved. yogurt and fruit and vegetable slurry are pre-treated by using a non-hot-working technology so as to prevent infectious microbe infection in the process, improve the juice yield of the fruit and vegetable slurry, increase the content of soluble cellulose of the fruit and vegetable slurry and prevent the fruit and vegetable slurry from brown stain. Moreover, when the fruit and vegetable slurry and the yogurt are mixed, a scientifically compounded freezing protecting agent which is relatively good in anti-freezing effect is added. Finally, the probiotics troche which is smooth in taste, uniform in texture, stable in state, natural in quality, high in viable count, strong in functionality and long in expiration data is prepared. The viable count is (1.75-2.55)x10<11> CFU / g. At normal temperature, the expiration data is 30-36 months.

The invention discloses a preparation method of an anionic polymer membrane with the high chemical stability, and belongs to the field of ionic polymer membranes. The preparation method comprises thesteps that under catalysis of mixed superacid, an aryl compound and an N-alkyl-4-piperidone compound generate an addition condensation reaction to obtain a linear polymer with high molecular weight and narrow molecular weight distribution; and quaternization modification is conducted on a nitrogen heterocycle on a polymer chain with methyl iodide or alkyl bromide, the obtained quaternized ionic polymer is soaked in a concentrated strong alkaline solution for ion exchange, washing and drying are conducted, and finally the obtained ion polymer is subjected to dissolution casting. According to the preparation method, the experiment process is simple and efficient, and the obtained anionic polymer membrane has the high ionic conductivity and ionic exchange capacity and is very excellent in chemical and heat stability and mechanical strength. The anionic polymer membrane has the very good application prospect and development potential in the alkaline polymer fuel cell field and has the great advantage compared with an anionic polymer membrane applied to a fuel cell at the present stage.

The invention discloses a covering material for immobilized in-situ remediation of nitrogen in bottom sediment and a preparation method of the covering material, belonging to the technical field of bottom sediment covering of surface water body. The covering material is the mixture of a powdery raw material and a binding agent, wherein relative to 1L of the binding agent constituting the covering material, the content of the powdery raw material is 1-2kg; the powdery raw material comprises the following components in parts by weight: 0-1 part of porous material, 0-8 parts of attapulgite clay and 6-30 parts of natural zeolite; the binding agent consists of an active material and an excitant; and relative to 1kg of the active material constituting the binding agent, the content of the excitant is 1-3L. According to the preparation method, the powdery raw material consists of natural materials such as zeolite, the binding agent consists of inorganic polymers, and the covering material is granulated and formed by an extruder and cured at room temperature. The covering material is a medium material with strong ion exchange capability and excellent biological load property and does not need to be sintered; and moreover, the covering material provided by the invention has the advantages of higher ammonium adsorption capability and lower cost as compared with the traditional materials.

The invention discloses a composite ceramic membrane for lithium ion batteries and a preparation method thereof, including a ceramic coating modification method and a ceramic lithium battery membrane. The ceramic protective layer is mainly prepared from a ceramic-adhesive mixture subjected to graft modification by a sodium-sulfonate / sodium-carboxylate-group-containing anionic surfactant. The grafting is completed by using a grafting-on process under the action of a coupling agent; the grafting ratio of the ceramic is higher; the high-temperature-resistant large-surface-area nano ceramic is introduced to the conventional PP (polypropylene) membrane surface, the insulativity and electrolyte wettability of the modified ceramic membrane are greatly enhanced; and the membrane has excellent high-temperature heat stability especially at the high temperature of 130 DEG C, 150 DEG C and 180 DEG C. The lithium battery composite membrane avoids the thermal shrinkage of the convention membrane, thereby avoids the thermorunaway in the battery due to thermal shrinkage, and further enhancing the safe reliability of the lithium ion battery.

The invention provides corn straw nano dietary fiber and a preparation method thereof. The method adopts cellulase-producing bacteria for pure culture or mixed bacteria cofermentation to ferment corn straws, and carries out the ultra-high pressure homogenization treatment on the fermented corn straws to obtain the nano dietary fiber through spray drying or freeze drying. The corn straws are washed by water to remove impurities, dried, crushed and sieved, mixed evenly with skim milk powder or other substances and the water, sterilized and cooled; and a single-bacterium or multi-bacteria seed liquid of the cellulase-producing bacteria is inoculated into a culture medium for fermentation, a product after the fermentation is rinsed until the pH value is neutral, and the corn straw nano dietary fiber is prepared after homogenization treatment and spray drying or freeze drying. The method has simple preparation technology, mild conditions and no pollution to the environment, and is easy for industrialized production; and the dietary fiber has exquisite taste, increases the solubility, greatly improves water retention ability, water absorptivity and expansive power, and improves the content of soluble dietary fiber by more than 50 percent.

The invention relates to a method for preparing low-zinc vulcanized active agents by an active carrier method. Novel nanometer-grade dispersed clay is adopted to be used as a carrier, a small number of zinc ions are loaded after the organic activation of the carrier is modified so that the loaded zinc ions are enriched on the surface of the carrier, and after the full adsorption reaction, precipitating agents are dripped so that the zinc ions absorbed on the carrier are completely precipitated on the surface of the active carrier clay. The concentration of the zinc ions practically participating in the reaction is improved, and simultaneously, the dispersibility of the zinc ions is also improved. Because the concentration of the loaded zinc ions is low and only equals to that of the zinc ions practically participating in the reaction, the ZnO consumption in sizing materials can be obviously reduced. The method has the advantages that the process is simple, the zinc content of the prepared low-zinc vulcanized active agents is low, and the application performance is identical to that of zinc oxide.

The invention discloses a multifunctional compound fertilizer additive and a preparation method thereof. The preparation method comprises the following steps: uniformly spraying a compound amino acid complex solution of trace elements containing Fe, B, Mn, Cu, Zn and Mo, rare earth elements containing Ce and La and beneficial mineral elements containing Ni, Co and Ti on grass carbon, brown coal or weathered coal powder, airing or drying, and then crushing to obtain a material A; preparing dicyandiamide used as a nitrification inhibitor into an ammonia solution to be adsorbed on carboxymethyl cellulose used as a water retention agent, airing or drying, and then crushing to obtain a material B; mixing cobalt sulfide and molybdenum sulfide which are used as nitrogen fixation catalysts with bean cakes or corn starch to obtain a material C; and uniformly mixing the material A, the material B and the material C to obtain the additive. The multifunctional compound fertilizer added with the additive of the invention has the advantages of fixing nitrogen, dissolving phosphorus, enriching soil, reducing nutrient loss, improving nutrient utilization ratio, improving crop enzyme activity, promoting metabolism, improving crop quality, increasing crop yield, retaining water, saving water, resisting drought, regulating buffering acidity or saline-alkali soil, and improving soil structure.

The invention relates to an acid soil conditioner. The acid soil conditioner is prepared from, by weight, 20-40 parts of quick lime, 25-45 parts of straw charcoal powder, 5-15 parts of attapulgite, 5-15 parts of calcium magnesium phosphate fertilizer, 5-15 parts of silicon fertilizer, 5-15 parts of pig manure organic fertilizer, 5-15 parts of turf and 1-10 parts of K2HOP4. The invention further relates to a preparation method and application of the acid soil conditioner. The low-cost raw materials are combined according to a specific ratio, a use method is easy and convenient, the soil pH can be adjusted, nutritional elements needed by plants are added while the pH adjusting and heavy metal adsorption capacity is guaranteed, soil organic matter can be increased, formation of the soil granular structure can be promoted, the permeability of soil can be enhanced, plant growth can be promoted, and the risk of soil caking caused by application of a soil conditioner can be reduced.

The invention discloses a metal loaded biomass semicoke catalyst and a preparation method thereof. The preparation method comprises the following steps: carrying out equivalent-volume impregnation ona biomass precursor by adopting an aqueous solution of metal active component soluble salt, drying, then heating to the temperature of 600-700 DEG C, and carrying out pyrolysis, so that the metal loaded biomass semicoke catalyst loading metal active components on a biomass semicoke carrier is obtained. The metal active components comprise a reactive metal Ni and a second reactive metal composed ofone of reactive metals Fe, Co and Cu, Ni accounts for 5-30% of the mass of the catalyst, and the second reactive metal accounts for 2-10% of the mass of the catalyst, and the balance is the biomass semicoke catalyst generated through biomass pyrolysis. The catalyst disclosed by the invention has large specific surface area and high dispersity of the metal active components, is used for catalyzinga tar water vapor reforming process of a biomass gasification technology and is high in tar conversion rate.

An ion exchange membrane obtained by using an ionic monomer having at least two or more polymerizable functional groups, in which a hydrophobicity index H obtained by an expression below from a monomer for forming an ion exchange resin and a material fixed to the resin in the ion exchange membrane is 1.6 or greater, and a manufacturing method therefor. Hydrophobicity index H=Σ{(log P of each component)×(molar ratio of each material in resin)}

The invention provides a superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA and a preparing method and application of the superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA. According to the superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA and the preparing method and application of the superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA, silylanization is conducted on the surface of superparamagnetic nanoparticle Fe3O4, a silylating reagent with a PSA structure is bonded, and thus a PSA group is introduced. The superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA and the preparing method of the superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA can be applied to the magnetic solid-phase extraction (M-SPE) field, and the superparamagnetic nanoparticle Fe3O4@SiO2@PSA modified by the PSA can serve as an adsorbent which is frequently used for magnetic solid-phase extraction, be applied to various pesticides such as carbamic acid ester, the organophosphorus pesticide and the herbicide and be used for absorption and extraction of target objects such as sulfonamides, organic acid and saccharides; meanwhile, the functional group of the PSA is a good binary ligand, in this way, the PSA is a good chelation material, can be used for extraction of metal ions and has high practical value and broad application prospect in the aspect of analytical investigation.