161results about How to "Lower redox potential" patented technology

The invention relates to a micro-ecological regulator, which belongs to the category of micro-ecological preparations. The product contains Bifidobacterium bifidum, Bifidobacterium longum, Bifidobacterium adolesentis, lactobacillus acidophilus, fructo-oligosaccharides, galacto-oligosaccharides, vitamins and the like. A concrete production process comprises the following steps: 1. bacterial strains are respectively or jointly subjected to liquid deep high-density cultu, so as to obtain fermentation liquid; 2. after the fermentation liquid is centrifuged, bacterial sludge is collected, added to protective agents and made into freeze-dried powder; 3. the freeze-dried powder is added to microcapsule materials and made into microcapsules through air suspension treatment; and 4. the microcapsules are mixed with oligosaccharides, vitamins and the like and then are made into a synbiotics pharmaceutical composition. By directly replenishing human intestines with Bifidobacterium and lactobacillus acidophilus, and by simultaneously providing prebiotics for ensuring that beneficial bacteria after entering intestines can be activated rapidly and proliferate, the product adjusts and improves intestinal micro-ecosystem, so as to achieve the aims of regulating organism immunity, delaying senility, inhibiting tumors, regulating blood lipid and improving intestines and stomach. A preparation method of the product can solve the technical problem that the prior probiotics medicine is difficult to keep the stability of probiotics at normal temperature and unstable under acidic conditions, and provides a pharmaceutical composition which can be stably stored at normal temperature.

The invention discloses a multifunctional filter material for circulating water treatment, which is prepared from 1 to 10 weight percent of nano tourmaline powder, 55 to 80 weight percent of coarse tourmaline powder, 1 to 15 weight percent of kieselguhr, 1 to 15 weight percent of sepiolite powder, 1 to 15 weight percent of scallop powder, 1 to 10 weight percent of sodium bicarbonate and 0.5 to 1 weight percent of silver-carried zeolite powder. A preparation method comprises the following steps of: stirring and mixing raw materials uniformly, injecting the uniformly mixed powder into a turntable machine, and rotating the powder for 15 to 30 minutes with controlled humidity of 15 to 50 percent and rotational speed of 20 to 200 revolutions per minute by using attapulgite of 0.1 to 1 millimeter as a core; and finally sintering the powder for 4 to 8 hours at the temperature of between 400 and 600 DEG C in a muffle furnace to form a ceramic filter material with the diameter of 1 to 10 millimeters. The filter material can effectively remove Ca2+ and Mg2+ from the water and achieve the effects of inhibiting scales, preventing corrosion and removing biological sludge.

A zero-valent iron and biochar composite chemical for in-situ remediation of groundwater contaminated with chlorinated hydrocarbons is prepared from materials in percentage by weight as follows: 5%-30% of zero-valent iron powder, 8%-30% of a biochar source, 35%-85% of water, 0.1%-1% of a stabilizer, 1.5%-3% of a thickener, 0.3%-1% of an emulsifier and 0.01%-0.1% of a micronutrient source. The required raw materials are uniformly mixed by mixing equipment with high shearing for 15-30 min, and composite slurry which has good fluidity, is conducive to in-situ injection and can be stably stored is obtained. The prepared zero-valent iron and biochar source composite chemical has excellent fluidity and migration and diffusion capabilities and has a good remediation effect on complex contaminated sites containing both unsaturated and saturated chlorinated hydrocarbons. Besides, the selected raw materials are economic and available, the cost of the chemical is greatly reduced, and large-scale remediation of actual sites is facilitated.

The invention discloses a combined prevention and control method for cadmium exceeding of rice in medium-light cadmium-polluted soil. The method comprises the following steps of: uniformly spreading a soil passivant onto the surface of medium-light cadmium-polluted soil before ploughing and fertilizing the medium-light cadmium-polluted soil; uniformly stirring; balancing for over three days, and applying a basic fertilizer; transplanting low-cadmium-absorption paddy rice onto soil to which the basic fertilizer is applied; and adopting a flooding irrigation management measure at the infertility period of the low-cadmium-absorption paddy rice to complete combined prevention and control of cadmium exceeding of rice. The method disclosed by the invention has the advantages of low cost, environment friendliness, saving in resources, easiness in operating, and the like, the biological effectiveness of cadmium in acid heavy metal-polluted soil can be effectively lowered, and cadmium accumulation of rice is reduced.

The invention relates to a water electrolysis cup, and belongs to the technical field of electrolysis equipment. The water electrolysis cup comprises an electrolysis power supply, and an inner tank provided with a negative electrode and a positive electrode; the positive electrode and the negative electrode are connected with the cathode and the anode of the electrolysis power supply respectively; an pervious diaphragm is arranged between the negative electrode and the positive electrode; the positive electrode is coated with the pervious diaphragm; and the distance (delta) between the pervious diaphragm and the negative electrode is equal to or larger than 0 and is equal to or less than 10mm. The water electrolysis cup can be used for preparing water which is rich in active hydrogen, is low in oxidation reduction potential, and is suitable for drinking.

The invention discloses a composite nanometer titanium dioxide photocatalysis material and a preparation method thereof. The method includes the steps: titanium dioxide collosol, silicon dioxide collosol and propylene glycol monomethyl ether, of which the mass ratio is 1 to 4 to 10, are uniformly mixed to form composite collosol; porous ceramics are soaked in the composite collosol for 30 minutes; and the porous ceramics are taken out to be heated for 30 minutes at the temperature of 300 DEG C so as to obtain photocatalysis ceramics loaded titanium dioxide materials. Compared with the prior art, the invention has the technical scheme that modified silicon dioxide collosol is mixed in the titanium dioxide collosol, and the existing Ti-O-Ti bond is replaced by a Ti-O-Si bond, thereby reducing the titanium oxidation-reduction potential, enabling titanium dioxide light absorption wavelength to generate redshift, and improving the visible light utility ratio of titanium as well as the adhesive power and the hardness of a coating.

The invention relates to an environmentally-friendly antibacterial powder coating, belonging to the technical field of coating material and aiming to solve the technical problems that the antibacterial function of the coating in the prior art is single and the antibacterial capacity ceases to be effective quickly. The environmentally-friendly antibacterial powder coating mainly comprises the following raw materials by weight: 30-40% of polyester, 30-40% of epoxy resin, 0.5-1.5% of a leveling agent, 0.5-1.5% of a brightening agent, 8.0-16% of an anion generating agent, 8.0-12% of a coupling agent, 2.0-4.0% of an antibacterial agent and 3.0-6.0% of a cross-linking agent. The coating can generate anions of about 1,000/cm<3> and has a good antimicrobial effect, the antibacterial rate of more than 95% and the multiple effects of causing less pollution to the environment.

The invention relates to a health water dispenser. The health water dispenser is provided with a water falling pedestal; the bottom of the water falling pedestal is provided with a water container; the water container is provided with a water inlet and a water outlet; the water inlet is connected with a water hole arranged on the bottom of the water falling pedestal; the water outlet is connected with a water discharge hole of the health water dispenser; a sterilization device is arranged in the water container; the sterilization device comprises at least a pair of negative electrode and positive electrode, and an electrolysis power supply used for providing the negative electrode and the positive electrode with powder; an pervious diaphragm is arranged between the negative electrode and the positive electrode; the positive electrode is coated with the pervious diaphragm; the distance (delta) from the pervious diaphragm to the negative electrode is equal to or larger than 0 and is equal to or less than 10mm; and diameter of permeable holes of the pervious diaphragm is equal to or larger than 1nm and is equal to or less than 2mm. The health water dispenser can be used for generating oxidation factors, which are used for killing bacteria in water, in water; the type and the amount of the oxidation factors can be controlled effectively; water oxidation reduction potential is reduced; and water quality safety and health effect of drinking water are ensured.

This is the producing method of a kind of supported palladium/carbon catalyst. The catalyst makes grains or molding active carbon as carrier, the content of loading active component metal Pd is 0.2 - 4wt%. It orderly includes: have acid wash to carrier active carbon; wash carrier active carbon with water to neutral; have soakage with watery solution containing nitrite ion to carrier active carbon; dry carrier active carbon to get rid of water; prepare Pd solution with water-soluble Pd compound, a kind of chelateding agent and water to infuse or insufflate the carrier active carbon, the content of Pd compound in the Pd solution counted by Pd is 10 - 20wt%; the mol proportion of chelateding agent and Pd is (0.01 - 1) : 1, the chelateding agent is got from anyone of ethylene diamine tetraacetic acid (EDTA), ethylene diamine tetraacetic acid disodium (EDTAD), ethylene diamine tetraacetic acid tetrasodium (EDTAT), hydroxyethyl ethylenediamine triacetic acid (HEDTA), diethylene triamine pentaacetic acid (DTPA) or amine triacetic acid; after having deoxidizing treatment with reducing agent to get activator products.

Methods for passivating stainless steel after acid pickling treatment in the absence of nitric acid are provided. The methods include the steps of cleaning the pickled stainless steel with an alkaline composition to obtain clean steel, activating the clean steel with an activator composition to obtain activated steel, and passivating the activated steel with a passivating composition in the absence of nitric acid. In the preferred embodiment, the activator composition contains at least one activator, the activator having a significantly higher binding affinity for iron than for chromium as evidenced by their metal complex formation constants.

The invention discloses a method for reducing and controlling losses of nitrogen and phosphorus of rice, belonging to a method of zero tillage and standard open tillage of the rice and comprising the following steps of: digging a surrounding ditch around the rice; digging a waist ditch and a side ditch for dividing the rice into several side surfaces; flattening the side surfaces; fertilizing enough basic fertilizers; coating films for tightly attaching ground films to clay on the side surfaces; pressing both sides by using the clay; transplanting the rice; keeping water in the ditches rather than in the film surfaces; drying the water in the rice within 15 days before the rice is ripe; and leaving low rice stubble in rice harvest. In the method, irrigation with water saving is realized, the purpose for reducing and controlling the losses of nitrogen and phosphorus of the rice is realized, and a theoretical basis and a realizing mode are supplied for scientifically and reasonably building the environmentally friendly utilization mode of the rice.

The invention relates to a surface rust preventing treatment process for iron art products and provides a novel spraying line production technique. The surface rust preventing treatment process is characterized in that traditional phosphating is replaced by ceramic treatment on a spraying flow production line, common urban tap water is replaced by small cluster water with activity in each washing link during spraying, and common water base degreasing fluid is replaced by small cluster water base degreasing fluid. Compared with traditional phosphating, the method uses non-phosphorus ceramic treatment for pretreatment in prior to nano spaying, and accordingly adhesive force between coating and metal can be increased evidently, and corrosion-resistant time of metal can be prolonged.

The invention discloses a quick starting and stable operation method for dry anaerobic fermentation of kitchen garbage, and belongs to the technical field of resource utilization of organic solid wastes. The quick starting and stable operation method for dry anaerobic fermentation of the kitchen garbage comprises the following steps: (1) activating industrial waste yeast or active feed yeast; (2) carrying out inoculating between anaerobic inoculation sludge and kitchen waste, wherein the inoculation ratio is 0.8-1.5 counted on the basis of VS; and (3) anaerobic treatment: purging with nitrogen or biogas for 3-30 minutes at an anaerobic fermentation temperature of 33-38 DEG C. According to the quick starting and stable operation method for dry anaerobic fermentation of kitchen garbage, starting time is shortened ((20 days), so that a dry anaerobic fermentation mechanism of organic solid wastes such as kitchen wastes and organic domestic wastes which are easy to acidify and a related microbial community structure and function change can be rapidly carried out in a laboratory. The method also helps to further reduce the starting difficulty of dry anaerobic practical engineering of organic solid wastes such as kitchen wastes and organic domestic wastes which are quite easy to acidify, and the stability and methane yield of a reactor are improved.

The invention discloses a heavy metal contaminated soil degradation harmless treatment method which comprises the following steps: S1, detecting and analyzing heavy metal contaminated soil, and determining the dosage of a heavy metal contaminated soil degradation repairing agent; S2, preparing the heavy metal contaminated soil degradation repairing agent; S3, leaching; S4, applying the heavy metal contaminated soil degradation repairing agent, and performing ploughing and mixing; S5, planting plants which are suitable for local growth and have enrichment capacity; and S6, detecting until the heavy metal content in the soil reaches the safety standard. Harmless treatment of the heavy metal contaminated soil is achieved, and the requirements of resource utilization, soil replacement and landfill are met; the technology application range is wide, and the method is suitable for remediation of various soils contaminated byheavy metals,including chromium, hexavalent chromium, lead, zinc, copper, chromium, nickel, mercury, arsenic and the like; the technical operation is simple and convenient, the repairing time is short, the capacity increase is less, secondary pollution is avoided, and the cost is lower; and the resource utilization of the polluted soil can be realized, and the repaired soil is suitable for various purposes.

The invention provides a novel method for preparing ginkgo enzyme. According to the method, bacillus subtilis and lactobacillus bulgaricus are successively inoculated into raw materials of the ginkgo enzyme for step fermentation, so as to obtain the ginkgo enzyme through solid-liquid separation. According to the method, nutritional ingredients in ginkgo can be fully extracted, the preparation time can be greatly shortened, the prepared ginkgo enzyme is comprehensive in nutrition and mellow in taste, and the nutrition and health value of the ginkgo are obviously improved.

A method for diagnosing activity of activated sludge ratio electronic transmission system includes utilizing test tube to determine dry weight of sludge, using iodinenitryl tetraazole as electronic receptor and using methanol as excctant to extract out INTF in microbiological cell under ambient temperature.

The invention provides a ligand-free atom transfer radical polymerization method under the effect of metal elementary substances. Organic ligands are omitted in the ligand-free atom transfer radical polymerization method. Polymerization systems comprise vinyl monomers, halogenated hydrocarbon, the metal elementary substances and transition metal catalysts. The ligand-free atom transfer radical polymerization method has the advantages that atom transfer radical polymerization reaction can be carried out on the monomers under halogenated hydrocarbon activation effects of the metal elementary substances, and accordingly polymers with narrow molecular weight distribution can be generated; the halogenated hydrocarbon is activated by the aid of the metal elementary substances, accordingly, the reaction activity of the polymerization systems can be improved, polymerization after-treatment procedures can be simplified, and the cost can be reduced; the organic ligands are omitted in the ligand-free atom transfer radical polymerization method, and accordingly the shortcomings of high cost and toxicity, volatility and the like due to organic compounds or polar solvents which are used as ligands in existing atom transfer radical polymerization systems can be overcome.

The invention relates to a preparation method of a sintered activated carbon water purification filter core, wherein a rod-like activated carbon water purification filter core is prepared. The preparation method comprises the preparation steps: (1) grinding coconut shell activated carbon powder, ultra-high molecular polyethylene, negative ion powder and tourmaline powder respectively; (2) mixing the raw materials; (3) drying after moulding; (4) carrying out sintering heat treatment; (5) cooling and demoulding to obtain moulded rod-like activated carbon; (6) cutting into sections, adhering andprocessing into the finished product, and thus obtaining the sintered activated carbon water purification filter core. The coconut shell activated carbon powder, ultra-high molecular polyethylene, negative ion powder, tourmaline powder and silver-loaded 4A zeolite are mixed, subjected to press sintering moulding to prepare the rod-like activated carbon water purification filter core. The filter core has the advantages of high strength, good purification effect, and good antibacterial performance, and the functional material negative ion powder and tomaline make purification and activation integrated, and have antioxidant effect. The preparation method has the advantages of simple and feasible implementation, easily obtained raw materials, low cost, strong pollution removal ability, and long service life, and is suitable for large-scale industrialized production.