35results about How to "Sustainable production" patented technology

The invention relates to an aluminium-based compound capable of having hydrolysis reaction under neutral and normal temperature conditions to produce hydrogen and a preparation method thereof. The aluminium-based compound consists of pure aluminium powder and amorphous or nano-crystal alloy thin tape which prevents the aluminium powder from being bonded in the ball milling process, produces dense oxide film in water and plays catalytic action. The ratio by mass of the pure aluminium powder to the amorphous or nano-crystal alloy thin tape is 100:Y (Y=0.1-20), and the particle size of the pure aluminium powder is in a range from 0.01um to 10um. The preparation method of the aluminium-based compound capable of having hydrolysis reaction to produce hydrogen comprises the following steps of: mixing the materials, and conducting high-energy ball milling to obtain the aluminium-based compound. The aluminium-based compound can quickly and continuously produce hydrogen at normal temperature after being put in pure water, and the hydrogen yield rate is from 70% to 98%. The invention has the advantages of simple technique and low making cost. The aluminium-based compound can produce hydrogen at normal temperature and under normal pressure. Aluminium hydrolysis reaction speed is raised, the hydrogen yield rate is improved, and reaction products are chemically neutral and do not pollute environment. The aluminium-based compound is suitable for large-scale production. The invention provides a novel portable hydrogen producing method which can be directly used for providing the fuel cells of various portable devices with a hydrogen source.

The invention discloses an anionic type photocatalyst which comprises the following components in parts by weight: 80-100 parts of titanium dioxide, 10-30 parts of a catalyst promoter, 0.1-2 parts oftourmaline powder, 0.1-5 parts of ferrocene and 0.5-30 parts of kieselguhr, wherein a metal platinum is adhered to the surface of the titanium dioxide; and the catalyst promoter is platinum-nitrogen codoped titanium dioxide. The anionic type photocatalyst has relatively good photocatalytic activity within a range of visible light and ultraviolet light, is capable of continuously releasing oxygen anions, is capable of effectively decomposing organic compounds such as formaldehyde and benzene with double bonds and is relatively good in catalysis activity. The invention further provides a preparation method of the anionic type photocatalyst.

The invention discloses a method for preparing freeze-dried dendrobium officinale wine. The freeze-dried dendrobium officinale wine is prepared from 30-60% vol baijiu and ultrasonic extracting solution. The ultrasonic extracting solution is prepared from 20-40 parts of freeze-dried dendrobium officinale, 10-30 parts of fructus lycii, 10-30 parts of ginseng and 10-30 parts of cordyceps militaris through ultrasonic extraction. During preparation of the freeze-dried dendrobium officinale wine, 1000 parts by weight of baijiu and 30-180 parts by weight of ultrasonic extracting solution are evenly mixed, the mixture stands at 2-10 DEG C for 24-48 h, supernate is filtered with a 2000-mesh filter material, filling is conducted, and curing is conducted for five days so that the finished wine can be obtained. In this way, effective constituents in dendrobium officinale can be reserved, tissue structure is intact without deformation, the number of extracted effective constituents is large, extraction efficiency is high, and extraction time is short; the prepared finished wine can improve the immunity of people, promote blood circulation, resist fatigue and tonify liver and kidney.

The invention belongs to the field of medicine science and technology, and particularly relates to a high-drug loading capacity oxcarbazepine controlled-release granule and a preparation method thereof. The oxcarbazepine controlled-release granule provided by the invention is prepared by preparing a high-drug loading capacity oxcarbazepine quick-release pellet by oxcarbazepine and accessories via an extrusion rolling process or a hot-melt extrusion process and then coating an isolation layer and a controlled-release layer (collectively referred to as coating layers) through a fluidized bed coating technology. The oxcarbazepine controlled-release granule has an in-vitro release curve similar to that of an oxcarbazepine quick-release tablet. The prepared oxcarbazepine quick-release granule has the advantages of high drug loading capacity, stability in release, uniform granularity and good stability, has the effect of extremely improving the patient taking compliance, and is mainly used for treating the epilepsy attack of children, old people or dysphagia patients.

The invention belongs to the technical field of farmland soil remediation, and particularly relates to a passivating agent for safely planting crops in a medium-light chromium-polluted farmland and a broadcasting method of the passivating agent. The passivating agent disclosed by the invention is composed of the following components in parts by weight: 10 to 20 parts of lime, 15 to 20 parts of sepiolite, 15 to 20 parts of diatomite, 5 to 10 parts of ferrous sulfate, 2 to 5 parts of sodium sulfide, 10 to 20 parts of hydroxyapatite and 10 to 30 parts of a charcoal-based microbial combination agent. The passivating agent can fully react with chromium in the soil after being applied to the surface of the soil, the effective state content of the chromium in the soil is obviously reduced, and agricultural products meeting the national food safety standard GB 2762-2012 can be planted. According to the passivating agent and the application method thereof, effective chromium in the soil is reduced, meanwhile, the soil structure cannot be damaged, the soil fertility can be improved, and the passivating agent is safe, ecological, environmentally friendly, economical, effective, low in cost, extremely high in universality and suitable for large-scale application and popularization.

The invention discloses a current transformer production line and a using method thereof. The current transformer production line comprises a production line conveying belt, a machining base, a feeding positioning supporting frame and a discharging positioning supporting frame, wherein a first conveying roller is movably installed at the upper end of the feeding positioning supporting frame, a second conveying roller is movably installed at the upper end of the discharging positioning supporting frame, and the production line conveying belt is located on the outer side of the first conveying roller and the outer side of the second conveying roller to move. According to the current transformer production line and the using method thereof, the multi-station integrated machining base, a transformer conveying mechanism and an infrared monitoring control system are arranged, so that transformers can be conveniently and better machined; and an integrated production line machining mode is adopted, so that the structure is more compact, the occupied area is reduced, machining and production can be continuously carried out, the production and machining efficiency is higher, the machining position can be conveniently monitored, the conveying position of the transformers can be limited, and the current transformer production line is more practical.

The invention relates to the technical field of organic synthesis, in particular to a refining method of glycochenodeoxycholic acid sodium. The method includes the steps of S1, adding commercially-available glycochenodeoxycholic acid sodium to water, adjusting the pH value into the weak acid range with an acid water solution, conducting extracting through an organic solvent, adjusting the pH valueof the water phase into the strong acid range with the acid water solution, and conducting filtering to obtain glycochenodeoxycholic acid; S2, heating and stirring the glycochenodeoxycholic acid andorganic alkali in a solvent to form salt, and conducting cooling and filtering to obtain glycochenodeoxycholic acid organic alkali salt; S3, adjusting the pH value of the glycochenodeoxycholic acid organic alkali salt in the solvent into the strong acid range with an acid water solution, and conducting filtering, washing and drying to obtain a glycochenodeoxycholic acid refined product. The methodhas the advantages of being simple and easy to operate, stable in process, easy to control, beneficial for post-treatment, safe, friendly to the environment and the like, and can be continuously produced on a large scale.

The invention discloses a method for preparing porous activated charcoal by using biological bases and a product of the method and belongs to the technical field of pole materials of supercapacitors.The method comprises the steps of subjecting sodium alginate, a BaCl2 solution and a KHCO3 aqueous solution, which serve as raw materials, to a reaction so as to obtain water-insoluble gel, and then,carrying out high-temperature roasting charring, thereby preparing the PAC, wherein a temperature rises to 700 DEG C to 900 DEG C at a heating rate of 2 DEG C/min to 10 DEG C/min during high-temperature roasting. The synthesis method is simple, the process is environmentally friendly and is easy to achieve, and the prepared porous activated charcoal has good electrochemical properties. According to the method and the product thereof, the porous activated charcoal is prepared by adopting the sodium alginate, the raw materials are readily available and pollution-free and are low in cost, the preparation process is simple and controllable, and the method is environmentally friendly and is sustainable in production.

The invention discloses a fertilizer for preventing and curing root-knot nematode diseases of fruits and vegetables and an application thereof. Active components are a combination of any one or more of aconitine, colchicine and solanine. According to the fertilizer, several alkaloids are utilized as active components to prepare the biological fertilizer for preventing and curing the root-knot nematode diseases of fruits and vegetables, and the fertilizer has excellent insecticidal effects and is environment-friendly and crop-friendly with no pollution. Meanwhile, the fertilizer has fertilizereffects, no residue, no toxic and side effects, environmental friendliness and sustainable production.

The invention relates to an apparatus for rapidly preparing Brown gas. The apparatus comprises a circuit unit and an electrolytic cell unit, and the circuit unit comprises a low-voltage direct currentpower source generator and a high-frequency and high-voltage alternating current power source generator; the electrolytic cell unit comprises an ionization device and electrolyte supply device; the ionization device is a thick-walled circular tube, and the top end of the ionization device is electrically connected with the negative electrode of the low-voltage direct current power source generator; the lower end of the ionization device is connected with the electrolyte supply device, an electrode tube is arranged in the center of the ionization device, and one end of the electrode tube is electrically connected with the positive electrode of the low-voltage direct current power source generator; and two ends of the high-frequency and high-voltage alternating current power source generator are respectively connected with one end of the electrode tube and the lower end of the ionization device. The apparatus has the advantages of simple structure, production of the gas by combining a low-voltage direct current with a high-frequency and high-voltage alternating current, elimination of an alkaline aqueous solution in the electrolyte by ionizing pure water vapor to prepare a gas, costsaving, and ensuring of safe and efficient production.