65results about How to "No industrial pollution" patented technology

The invention discloses a method to produce nanometer graphite sol. It supplies a system which includes highly pure graphite as anode, inert materials as cathode and electrolytical aqueous solution. There is an impulsing power source to connect the anode and cathode. The pulse period of the power source is 0.05-0.5 second, effective voltage 2-10V (3-5V is prelatered) and effective amphere density 15-75A (25-35 is prelatered). The efficiency of this invention is higher than common direct-current electrode method. The produced nanometer graphite sol is stable and disperses so it can produce nanometer graphite powder whose diameter is under 15nm.

The invention relates to a surface protection technology of a neodymium iron boron magnet material, concretely relates to a neodymium iron boron magnet material surface phosphating treatment and an organic coating double layers protection method. The method comprises the following steps: removing oil on neodymium iron boron, removing rust, and then immersing neodymium iron boron in a phosphating liquid for 5-15 minutes to generate a layer of phosphating coat, washing and drying, and then coating a layer of organic paint to form an organic coating. The method of the invention aims at the problems of complex, rigorous pre-treatment and poor anti-corrosive property in a surface protection method during electroplating and chemical plating. According to the invention, the surface treatment technology of phosphatization treatment and organic coating double layers protection can be used, the technology is simple without complex pre-treatment, under the prerequisite that the combination force of the coating and the matrix and the magnetic property are not be influenced, the neutral salt spray corrosion resistant performance of the coating can be largely enhanced.

The invention relates to honeysuckle tea, in particular to honeysuckle micro powder tea, and provides honeysuckle micro powder tea with a particle size of 18 micrometers. The honeysuckle micro powder tea is characterized in that the tea contains as high as more than or equal to 5 percent of chlorogenic acid, has pale green color and faint scent smell, and avoids precipitates and granular sensation after being infused. A production method comprises the following steps of: picking fresh flowers, green-removing by using microwaves, quick freezing and cooling, performing secondary drying, crushing twice and refrigerating at low temperature. Due to the function of clearing heat and detoxicating and resisting bacteria in broad spectra, the honeysuckle micro powder tea has excellent inherent quality and shape characteristic.

The invention discloses a technology for bionic cultivation of wild ganoderma lucidum in a bamboo forest. Ganoderma lucidum is cultivated in the bamboo forest which is free of pollution, dense and abundant in rainfall. Basswood is buried under soil of the bamboo forest, and ganoderma lucidum strains are inoculated on the basswood to grow naturally. In this way, growth and development of the ganoderma lucidum are facilitated, and the ganoderma lucidum is similar to wild ganoderma lucidum in appearance.

The invention relates to a method for preparing nanometer powdered carbon for fertilizer. The method comprises the following steps of providing a system comprising an anode, a cathode, a separator plate and an electrolyte aqueous solution, wherein the anode, the cathode and the separator plate are prepared from high-purity graphite, connecting the anode and the cathode to a pulsed power supply with impulse frequency of 40-60Hz and effective voltage of 12-20V so that nanometer carbon sol is obtained, wherein effective current density formed between the anode and the cathode is in a range of 50 to 100A/m<2>, adding 0.3-1wt% of a potassium-containing compound into the nanometer carbon sol to obtain potassium ion-containing nanometer carbon gel, and drying the potassium ion-containing nanometer carbon gel to obtain the nanometer powdered carbon. The method can control nanometer powdered carbon particle size and yield by adjusting voltage and current so that the method is suitable for industrial production of fertilizer.

The invention discloses a method for degrading fumonisins, which uses electron beams to radiate a sample containing the fumonisins to obtain the sample with reduced fumonisins content. The method can directly radiate finished products such as agricultural products, food, and feed, has simple operation and obvious effects, and makes the degradation rate of fumonisins B1 reach 59.03 percent.

The invention discloses a preparation method of glucolactone. The method comprises the following steps of: dissolving glucose into deionized water to obtain a glucose solution as a raw material, illuminating the glucose solution by using an ultraviolet lamp, additionally providing an air pump in a reaction device to accelerate a mass transferring process, adding hydrogen peroxide in the reaction process, undergoing a catalytic oxidation reaction under a stirring condition at a temperature of 20-60 DEG C for 1-4h and filtering to obtain a glucose acid solution; carrying out reduced-pressure concentration on the glucose acid solution at 70-80 DEG C and concentrating to form 70-90% of crystallization solution; adding seed crystals into a concentrated solution and placing in a crystallizationstirrer for crystallization to obtain a glucolactone product. The preparation method of the glucolactone has the advantages of not only shortening the production period and not causing industrial pollution, but also reducing production cost, realizing low energy consumption and high yield and being suitable or industrial production.

The invention discloses a high-purity SiCl4 purification method, relates to a SiCl4 purification method, and is used for solving the technical problem that azeotrope and compound impurities containing boron, phosphorus and OH in high-purity SiCl4 prepared by the existing method are difficult to separate. The method disclosed by the invention comprises the following steps of: 1, chemical reaction; 2, rectification under normal pressure; 3, adsorption; 4, rectification under normal pressure; 5, treatment by a reduced pressure rectifying tower; and 6, storage of pure SiCl4 in a product tank under protection of high-purity nitrogen or argon, thus finishing purification of high-purity SiCl4, wherein in the step 3, an adsorbent filled in an adsorption column is an silica gel adsorbent modified by a silane coupling agent. SiCl4 purified by the method is low in production cost, the purity of ordinary-grade SiCl4 is up to 99.9999%, and the purity of fiber-grade SiCl4 is up to 99.99999999%. The method disclosed by the invention can perform continuous production, and is high in productivity. The high-purity SiCl4 purification method belongs to the field of crude product purification.

The invention relates to a process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil. The process comprises the following steps of: (1) breaking the cell walls of the Chinese wolfberry seeds: crushing the cleaned and dried Chinese wolfberry seeds and filling into an extraction kettle; introducing CO2 into the extraction kettle; raising the pressure in the extraction kettle to the pressure of between 40 and 45MPa at normal temperature and keeping for 10 to 15 minutes; closing air inlet valves at the two ends of the extraction kettle; and reducing the pressure in the extraction kettle to atmospheric pressure in 1 to 5 minutes to obtain the wall-broken Chinese wolfberry seeds; and (2) filling the wall-broken Chinese wolfberry seeds obtained in the step (1) inthe extraction kettle; introducing the CO2 at the same time; extracting under a supercritical condition for 60 to 70 minutes; and performing two-stage separation under reduced pressure to obtain the Chinese wolfberry seed oil. The process is simple and environmentally-friendly and is low in cost; the extraction time can be greatly shortened, so the oil yield reaches the maximum value in a shortest time; and the process can be widely applied to advanced development and production preparation of various functional unsaturated fatty acid medicaments and health foods thereof.

The invention discloses a rice peptide production method. The rice peptide production method comprises the steps of (A) mixing rice protein and a sodium sulfite solution to obtain rice protein slurry; (B) adding alkaline protease into the rice protein slurry to perform enzymolysis; (C) adding neutral protease, compound flavourzyme and papain for enzymolysis to obtain enzymatic hydrolysate; (D) performing enzyme deactivation treatment on the enzymatic hydrolysate; (E) filtering the enzymatic hydrolysate subjected to the enzyme deactivation and then performing freeze drying to obtain a high-purity rice peptide product. The rice peptide production method utilizes the synergistic effect of multiple enzymes, performs rice protein modification by adopting a multiple-process efficient separation method and is short in production period, high in yield and product purity and good in solubility through enzymolysis technology exploration and control.

The invention discloses a method for degrading fumonisins, which uses gamma rays to radiate a sample containing the fumonisins to obtain the sample with reduced fumonisins content. The method can directly radiate finished products such as agricultural products, food, and feed, has simple operation and obvious effects, and makes the degradation rate of fumonisins B1 reach 63.47 percent.

The invention relates to a surface protecting technology of an Nd-Fe-B magnet material, and specifically relates to an Nd-Fe-B magnet material surface double-layered protecting method employing a titanium/zirconium conversion coating and an organic coating. First, the Nd-Fe-B magnet material is processed through oil removing, rust removing, and emery paper burnish; then the Nd-Fe-B magnet material is immersed into a diluted titanium/zirconium conversion liquid for 3 to 10min, such that a titanium/zirconium conversion coating is formed; and the material is washed, and is coated with a layer oforganic paint, such that an organic coating is formed. In existing technologies, surface protecting methods such as electroplating chemical plating cause problems of complicated and harsh pre-treatment, and poor corrosion resistance. The method aims at solving the problem. According to the invention, a double-layered protecting surface treatment method employing the titanium/zirconium conversion coating and the organic coating is adopted. The technology is simple, and complicated pre-treatments are not required. With the method, adhesion between the coatings and the substrate is ensured, the magnetic performance is not influenced, and neutral salt mist corrosion resisting capacity of the coatings is greatly improved.

The invention relates to a method for preparing an ultra-low hydration-heat polycarboxylate-based water reducing agent. Methacrylic acid and Monomer methylacrylic acid polyethylene glycol single armor ether ester (MAAMPEA) water solution, initiator and modifier solution are simultaneously and slowly added into the solvent water drop by drop within 6 to 7 hours at the temperature of 80 DEG C to 90 DEG C, then the solvent water is subjected to thermal insulation for 4 to 5 hours at 90 DEG C to 95 DEG C and is naturally cooled down to the room temperature, and finally NaOH is used to adjust the pH value to 7 to 8, thereby obtaining the ultra-low hydration-heat polycarboxylate-based water reducing agent. The reaction conditions are easily controlled, no organic solvent is used during the polymerization process, and the process is simple with no industrial pollution. The concrete prepared by adopting the ultra-low hydration-heat polycarboxylate-based water reducing agent has the advantages as follows: when the mixing amount of the water reducing agent with the concentration being 25 wt percent is 1.0% of the concrete weight, the water reducing ratio can reach 30 percent, the 3d compressive strength of the concrete can be improved by more than 60 percent, the 28d compressive strength can be improved by more than 50 percent, and the 90d compressive strength can be improved by 30 percent.

The invention relates to a method for producing extruded polystyrene foam products by a carbon dioxide foaming agent. The method comprises mixing polystyrene resin, talc powder, auxiliaries and pigment to form mixture, adding the mixture into a primary extruder to be heated and plastified and injecting the carbon dioxide foaming agent into the primary extruder through an injection device; injecting the foaming auxiliaries into the primary extruder; feeding the mixture into a secondary extruder via a filter screen after the mixture is sufficiently plastified and melted; and cooling and forming after the mixture is foamed by a mold, and rolling up the mixture via traction or cutting off the mixture to form the finished products. The method has the advantages that the density of extruded polystyrene sheets and plates which are produced by the carbon dioxide foaming agent is low, toughness is good, flame retardance is high, stretching strength is high, and physical performances and chemical performances are stable relatively.

The invention discloses a method for breeding soft-shelled turtles artificially. Soft-shelled turtles are put in a pool with adequate water, good water quality, fresh air and non-polluted soil, and bred together with tilapia mossambica, tarpons, bighead carps and the like; the soft-shelled turtles are bred in an imitated living environment of wild soft-shelled turtles; fresh water is refilled regularly; the water quality is good; the air is fresh; a certain amount of sand is stocked at each pool for the activities of the soft-shelled turtles; non-polluted breeding is implemented; the key links such as regulation and control of water quality, selecting and purchasing of seedlings, usage of feed, usage of disease control drugs and the like are mastered in an emphasized way; and the soft-shelled turtles are ensured to grow normally.

The invention discloses a preparation device for generating drinking water by producing condensation water with air. The device comprises a condensation water generator (1), a filter tank (2) connected with the condensation water generator (1), a purified water filter (4) connected with the filter tank (2) and a disinfection device (5) connected with the purified water filter (4); the condensationwater generator (1) adopts a net surface high in thermal conductivity as a water generation surface. By means of the preparation device for generating the drinking water by producing the condensationwater with the air, purified fresh water low in cost can be produced continuously.

The invention discloses a method for preparing a medicinal extract containing intermediate peashrub seeds. The method comprises the following steps: performing extraction enrichment, performing reduced pressure separation, dispersing and mixing uniformly; separating and encapsulating, homogenizing and filtering, and collecting to obtain sterile lipidosome of the medicinal extract containing intermediate peashrub seeds. According to the method disclosed by the invention, the oily medicinal extract is extracted and enriched from the intermediate peashrub seeds in a supercritical carbon dioxide environment, and the extract is mixed and encapsulated into drug-containing lipidosome nanoparticles by virtue of a film material. Compared with a traditional medical processing method for rendering the intermediate peashrub seeds or charking co-existence ground powder, the method disclosed by the invention has the advantages that the parameters in the operating process are controllable, the temperature is low, the active ingredients of plants can be well prevented from being damaged, and solvent residue is avoided. Moreover, the drug-containing lipidosome nanoparticles prepared by the invention have the characteristics of targeted drug delivery and long-term release, and because the cell-like structure has cell biocompatibility, drug release can be performed by virtue of a cell membrane. Therefore, the therapeutic index can be improved, and the method is suitable for treatment of skin diseases such as dermatitis, psoriasis, yellow-water sore and skin itch.

The invention provides a method for manufacturing a touch screen. The method includes the following steps: (1) performing silkscreen printing with a silver paste on a conductive film, placing the conductive film to a mask aligner with set parameters for laser etching, breaking wires on a conductive surface, and obtaining the laser-etched conductive film; (2) performing hot-pressing on FPC with adhesives to the laser-etched conductive film, and obtaining a semi-finished functional chip; (3) and bonding the semi-finished functional chip and a protective panel, and obtaining a finished touch screen. The method of the invention adopts laser etching. Compared with conventional etching methods, the method does not require a coating etching paste, has a higher efficiency, shortens manufacturing time of touch screens, and has a higher efficiency in manufacturing touch screens. At the same time, the essence of the method is physical etching, which reduces raw material waste without causing unnecessary industrial pollution, and meets environmental requirements.

The invention belongs to the technical field of material chemistry, and particularly relates to an amorphous stabilized nano composite anticorrosive pigment product and a preparation method thereof, the amorphous stabilized nano composite anticorrosive pigment product is characterized in that pieces of the benzotriazole composite zinc tungstate nano-assembled sheet-shaped anticorrosive pigment arecrossed with each other, the overall diameter of the benzotriazole composite zinc tungstate nano-assembled flaky anticorrosive pigment is about 1-2 microns, and the thickness of the nano-sheet assembled into the sheet-shaped structure is 150-200 nm. The amorphous stabilized nano composite anticorrosive pigment product has the characteristics of good stability, high temperature resistance, excellent corrosion resistance and the like.