21results about How to "Fully degraded" patented technology

The invention discloses a printing and dyeing wastewater treatment and deodorization device, and particularly relates to the technical field of wastewater treatment.The printing and dyeing wastewater treatment and deodorization device comprises a first shell, a second shell is fixedly connected to the right end of the first shell, a wastewater treatment assembly is arranged on the inner surface of the first shell, and an odor treatment assembly is arranged on the inner surface of the second shell. According to the printing and dyeing wastewater treatment and deodorization device disclosed by the invention, the filtering mechanism and the biological treatment mechanism are arranged, so that filtered impurities can be automatically cleaned in a preliminary filtering process of wastewater, and meanwhile, the wastewater flows along an S-shaped path during biological treatment, so that the wastewater can be always in a flowing state; according to the present invention, the retention time of the wastewater can be prolonged so as to prolong the contact time of the wastewater and the biological membrane, such that the microorganisms can completely degrade the organic matters in the wastewater, the treatment efficiency can be improved, the generated biological impurities can be effectively cleaned in the rotation manner, the permeability of the membrane can be maintained, and the wastewater treatment efficiency can be improved.

The invention discloses an invasive organism selenium-rich compost formula and a preparation method. According to the invading organism selenium-rich compost formula, an invading plant mikania micrantha and invading animal ampullaria gigas meat are used as compost raw materials, and selenium elements in different forms are used as selenium sources. The compost formula can prolong the high-temperature period of the compost, accelerate the composting process, degrade more and more organic substances, increase the nutrient content of the compost and reduce the emission of greenhouse gases in the composting process; therefore, the problems of short high-temperature period duration, low organic matter degradation efficiency and greenhouse gas emission in the traditional composting process are solved. The invention not only provides a new method for resource utilization of invasive organisms, but also enables the compost to have higher nutritional value and ecological value through an exogenous selenium application mode.

The invention relates to the technical field of polyolefin master batches, in particular to a degradable polyolefin functional master batch and a preparation method thereof.The degradable polyolefin functional master batch is prepared from, by weight, 50-80 parts of polyolefin resin, 10-50 parts of modified filler, 3-5 parts of photosensitizer, 0.5-1.2 parts of dispersing agent, 0.2-2 parts of antioxidant, 1-2 parts of plasticizer and 0.2-1 part of coupling agent. The invention aims to enable the polyolefin functional master batch to have good mechanical properties, different products can be prepared, and the products prepared from the polyolefin functional master batch are degradable and can be quickly degraded in various different climatic environments, so that the pollution of plastics to the environment is reduced.

The invention relates to the technical field of soil and underground water remediation, in particular to an in-situ microbial remediation method for organic underground polluted water and soil, which comprises the following steps: S1, separating indigenous microorganisms from the soil in a polluted area; s2, adding indigenous microorganism internal and external microorganism bacterium agents into a culture medium to obtain a mixed bacterium solution; s3, soaking a carrier into the mixed bacterial liquid, and performing shaking culture to obtain a carrier loaded with microorganisms; s4, the carrier loaded with the microorganisms is sown into the soil of the contaminated area, and remediation is completed after remediation is conducted for 30-40 days; and in the remediation process, underground water in the polluted area is pumped and sprayed into the soil. In the remediation process, underground water is pumped out for spraying, the soil water content is guaranteed, meanwhile, microorganisms can infiltrate along with the underground water, the underground water is remedied at the same time, the remediation time is shortened, and the remediation effect is guaranteed.

The utility model discloses a system for deeply treating petrochemical wastewater by an ozone oxidation coupled biological filter. Relates to the technical field of wastewater treatment, and comprises an adjusting tank, an oil separation tank, an air floatation tank and an A / O integrated biochemical treatment tank, the adjusting tank is communicated with the oil separation tank, one end, far away from the adjusting tank, of the oil separation tank is communicated with the air floatation tank, and one end, far away from the oil separation tank, of the air floatation tank is communicated with the A / O integrated biochemical treatment tank; an ozone oxidation / biological filter coupling assembly is arranged at one end, far away from the air floatation tank, of the A / O integrated biochemical treatment tank; the ozone oxidation / biological filter coupling assembly comprises a biological filter, an air compressor and an ozone generator, the biological filter is communicated with the A / O integrated biochemical treatment tank, and the air compressor and the ozone generator are both communicated with the biological filter. According to the utility model, the ozone generator and the biological filter are arranged to carry out coupling reaction of ozone oxidation and microbial biochemistry, so that organic pollutants in water are fully degraded, the treatment effect is ensured, and the ozone utilization efficiency is also improved.

The application relates to the field of water treatment and environmental protection technology. The application provides a water body micro-plastic degradation device and method, the device comprises a water body container, a micro-plastic unit arranged on a side wall surface of the water body container, a laser unit arranged on one side of the water body container, a monitoring unit, a general control unit and a valve control unit. The application effectively reduces the laser energy required for degrading the water body micro-plastics in the water body to be treated, effectively improves the reaction speed, realizes effective direct degradation, does not cause secondary pollution, and solves the problems of low efficiency in treating large-size particles and incomplete treatment of small-size particles by using a single energy source.

The invention relates to the field of circulating water treatment, and discloses an automatic circulating water hydrolysis device which comprises two fixedly connected box bodies, the sides, away from each other, of the two box bodies are fixedly installed on a circulating water input pipe and a circulating water output pipe correspondingly, and stop valves are fixedly installed on the circulating water input pipe and the circulating water output pipe correspondingly; the same channel is fixedly installed on the sides, close to each other, of the two box bodies, activated carbon filter plates are detachably and fixedly installed on the inner walls of the sides, close to each other, of the two box bodies, and vertical shafts are rotationally installed in the two box bodies. Compared with the prior art, the device has the following advantages and effects that efficient hydrolysis treatment capacity is achieved, dosing control can be accurately achieved, the automatic hydrolysis treatment quality of circulating water is improved, a safe and reliable pressure relief function is achieved, equipment and pipelines can be protected, breakage or damage caused by too high pressure is prevented, and the service life of the device is prolonged. And a powerful guarantee can be provided for stable operation of a circulating water system.

The invention discloses a sulfur-tolerant platinum-based catalyst and a preparation method thereof, and the preparation method of the sulfur-tolerant platinum-based catalyst comprises the following steps: weighing roasted ZrO2 as a carrier, weighing ammonium metatungstate, completely dissolving in deionized water, dropwise adding the solution until the carrier is completely immersed, and carrying out ultrasonic treatment; standing at room temperature, drying, and roasting in air at 500-600 DEG C to prepare a tungsten oxide loaded solid acid composite carrier WO3-ZrO2; and weighing chloroplatinic acid, completely dissolving the chloroplatinic acid in deionized water, dropwise adding the solution into the composite carrier, completely immersing the composite carrier, carrying out ultrasonic treatment, standing at room temperature, drying, and roasting in air at 250-350 DEG C to obtain the sulfur-tolerant platinum-based catalyst. The catalyst is simple in preparation method, has relatively strong tolerance to different sulfur species, and has good low-temperature catalytic performance and catalytic stability to low-carbon alkane.

The invention discloses a method for preparing a plant-based composite peptide trace element chelate for feed processing, wherein rice bran is selected as a plant-based component, and rice bran protein is extracted therein, which is then degraded to produce small peptides, which are then further subjected to chelation reaction with an aqueous solution containing copper nitrate, cobalt nitrate, zinc nitrate and manganese nitrate. The chelate obtained by the invention can be used for feed processing, has a high trace element chelation rate, is comprehensive in nutrition, has very excellent efficacy in feeding livestock and poultry, and has broad market prospects.

The present invention belongs to the technical field of deep processing of agricultural products, and specifically relates to a sesame active polypeptide, which is composed of 9 amino acids, and its sequence is: Ala-Phe-Pro-Ala-Gly-Ala-Ala-His-Trp (AFPAGAAHW). The sesame polypeptide of the present invention can be obtained by enzymatic separation and purification of sesame protein, and can also be artificially synthesized by chemical solid phase synthesis. By measuring ACE inhibition activity and DPP-IV inhibition activity, it is found that the polypeptide shows hypotensive and hypoglycemic activity, and can be used as a functional ingredient in the preparation of drugs, health products, foods, daily chemical products and other fields, and has broad market prospects.

The invention discloses an intermittent fly ash dioxin low-temperature degradation system and method, and specifically relates to the technical field of waste incineration fly ash dioxin treatment. In the invention, nitrogen from the external environment enters through a nitrogen supplement port to ensure an oxygen-deficient environment or an oxygen-free environment, and is treated intermittently. Dioxins in the fly ash are discharged after reaching the standard, thereby improving the detoxification efficiency of the fly ash. The spiral shaft and the inner cylinder are respectively driven by respective motors to rotate in the same direction or in different directions. When the spiral shaft and the inner cylinder rotate in the same direction, the feeding and discharging of the fly ash are controlled; when the spiral shaft and the inner cylinder rotate in opposite directions, the residence time of the fly ash in the inner cylinder is controlled, which is beneficial to the stirring and mixing of the fly ash material. At the same time, the batch treatment method enables the dioxins in the fly ash to be fully degraded. The two sleeves lose the connection restriction with the connecting sleeve shell, which is convenient for the sleeves to be flipped and opened. The flipping and opening synchronously drives the sealing strip to be opened, thereby facilitating the removal of the residual fly ash material in the sealing strip.

The invention relates to a photoelectrochemical treatment method and device, and belongs to the technical field of petroleum and petrochemical sewage treatment and reuse, the treatment method comprises the following steps: carrying out flocculation pretreatment on sewage to obtain a supernatant; carrying out photoelectrochemical reaction on the supernate to obtain reacted sewage; and carrying out adsorption treatment on the reacted sewage to obtain discharged water. According to the treatment device disclosed by the invention, the gas-liquid filter screen is arranged, so that gas-liquid foam is prevented from overflowing and the influence on the reaction of an added medicament and sewage is avoided; the photoelectrochemical reactor adopts a tubular structure, so that the concentration of pollutants in the reactor can be kept uniform, and the reaction rate is stable without dead angles; the arrangement of the gas-liquid-foam extraction opening realizes the suction of gas-liquid foam, can timely dredge and discharge gases such as chlorine, oxygen and ammonia gas generated in oxidation reaction and foam generated by polymer reaction in sewage, keeps the pressure balance in the photoelectrochemical reactor, and avoids the influence of the gas-liquid foam on the full contact of the treatment liquid and the electrode plate at the same time.

The sulfur hexafluoride degradation system comprises a sealing box, a plasma generation device, a reaction device and a waste gas treatment device, the plasma generation device comprises a plasma generator, the output end of the plasma generator is communicated with the reaction device, the plasma generator and the reaction device are arranged in the sealing box, and the waste treatment device is used for receiving waste gas output by the reaction device; the plasma generator comprises a plasma generator body, a cathode, an anode and an arc striking device. The device has the advantages that sulfur hexafluoride is directly introduced into the plasma area, the retention time of the sulfur hexafluoride in the plasma discharge area is prolonged, sulfur hexafluoride degradation is more sufficient, the plasma characteristics are fully utilized, working medium gas entering in a rotational flow mode through the first gas path and the third gas path can restrain mixed gas and electric arcs input by the second gas path, and therefore sulfur hexafluoride degradation efficiency is improved. The mixed gas does not contact with the electrode to protect the surface of the electrode, and corrosion of degradation products to the electrode is avoided.

The invention discloses a Fenton catalyst and a preparation method and application thereof, belonging to the technical field of wastewater treatment. The preparation method of the Fenton catalyst of the invention comprises the following steps: subjecting a solution containing ferric chloride hexahydrate, terephthalic acid and riboflavin (VB2) to a hydrothermal reaction to obtain a Fenton catalyst VB2@MIL‑101(Fe); the temperature of the hydrothermal reaction is 110 to 150° C., and the time is 20 to 24 hours; the molar ratio of ferric chloride hexahydrate, terephthalic acid and riboflavin is 2:1:(0.1 to 0.6); the prepared Fenton catalyst can be used to improve Fe 3+ / Fe 2+ Cycle efficiency.

The invention discloses a septic tank treatment device capable of degrading greasy dirt, and relates to the field of septic tank treatment.The septic tank treatment device comprises a tank body, a separation mechanism used for separating greasy dirt is arranged at the rear end of the right side of the tank body, a filtering mechanism used for filtering oil liquid is arranged at the front end of the right side of the tank body, and a dirt inlet mechanism is arranged in the tank body; one side of the pool body is connected with a degradation pool, the degradation pool is used for degrading oil stains, the separation mechanism comprises a first-stage separation tank, the first-stage separation tank is arranged on one side of the pool body, one side of the first-stage separation tank is communicated with a second-stage separation tank, and heating rods are fixedly connected to the outer sides of the tops of the first-stage separation tank and the second-stage separation tank; ultrasonic vibrators are connected to the middles of the tops of the first-stage separation tank and the second-stage separation tank, sewage pumps are arranged in the first-stage separation tank and the second-stage separation tank and communicate with drainage pipes, drainage valves are installed on the outer walls of the drainage pipes, and an oil drainage pipe is connected to the upper end of the outer wall of the first-stage separation tank.

The present invention relates to the technical field of coatings, and in particular to a coating for bamboo fiber substrate combined tableware, a preparation method thereof and an application thereof, comprising the following raw materials in parts by weight: 30-50 parts of waterproof monomer, 10-20 parts of VAE emulsion, 1-3 parts of initiator, 1-5 parts of emulsifier, 3-7 parts of nano filler, 1-3 parts of plasticizer, 1-3 parts of curing agent, 30-60 parts of solvent and 4-8 parts of ethylene-acrylic acid copolymer. The coating of the present invention has good adhesion, peeling resistance after boiling water immersion, oil resistance and non-leakage to meet the process requirements, has good mechanical properties, is easy to process and use, has good water resistance, weather resistance, glossiness and mechanical properties after film formation, is applied to plant fiber degradable and environmentally friendly packaging lunch boxes, improves its waterproof performance, has almost no toxic side effects on the human body, is biodegradable, and completely solves the problem of plastic pollution of dining utensils.

The invention relates to the technical field of building materials, and particularly discloses a thermal insulation cement mortar plate capable of degrading nitric oxide gas as well as a preparation method and application of the thermal insulation cement mortar plate. The cement mortar board comprises the following components: 19%-23% of cement, 61%-67% of standard sand, 3.2%-4.6% of polylactic acid modified hollow titanium dioxide microspheres, 0.05%-0.1% of a water reducing agent, 0.02%-0.04% of a foaming agent and 9%-12% of water. The polylactic acid modified hollow titanium dioxide is added to serve as a functional material, meanwhile, the foaming agent is added to regulate and control the porosity in the cement mortar board, the cement mortar board with the dual functions of heat preservation and photocatalytic degradation of nitric oxide is formed, meanwhile, polylactic acid is a biodegradable material, and the thermal insulation effect is good. The invention provides an energy-saving and environment-friendly green multifunctional material for the building field, is suitable for various building structures and application scenes, and has high practical value.

The present application belongs to the technical field of anaerobic fermentation, and provides a method for producing bio-based chemicals based on microbial niche regulation of an anaerobic fermentation system. The method comprises the steps of straw crushing, carbon chain extension reaction, short acid production by hydrolysis acidification, biogas production by acid methanation, and discharging. The present application regulates the high-solid-content anaerobic fermentation system through microbial niche to achieve the purpose of directional synthesis of products, enhances the synergistic metabolism mechanism between acid-producing bacteria and methanogenic bacteria, improves the activity of different functional microbial communities, and for the first time realizes the co-production of medium-chain fatty acids, short-chain fatty acids and methane in a high-solid-content anaerobic fermentation system, further widens the energy utilization path of straw, and improves the added value of products.

The invention discloses a degradable mulching film prepared by compounding starch wastewater with bamboo fibers and a preparation method of the degradable mulching film, and belongs to the technical field of agricultural mulching films. The mulching film is prepared from the following components in parts by weight: 75 to 90 parts of starch wastewater, 20 to 30 parts of bamboo fiber, 10 to 18 parts of polyvinyl alcohol, 18 to 30 parts of glycerol, 8 to 15 parts of cross-linking agent and 5 to 10 parts of filler. The defect that starch is difficult to form a film is effectively overcome, and powerful support is provided for application of biomass starch and bamboo fibers in the field of degradable plastics. In addition, starch wastewater is used as a raw material, so that the production cost can be reduced to a certain extent; the starch wastewater is used as process water of the bamboo fiber reinforced starch-based composite membrane, and the process can also counteract the treatment cost of the starch wastewater.

The application discloses a cutinase-amylase synergistic desizing process for sizing polyester fabric with starch and WPET mixed sizing material, and aims at the shortage of the traditional high-temperature strong-alkali desizing process, so that the sized polyester fabric is placed in the same desizing working solution, the synergistic effect of the cutinase and the amylase is utilized under the near-neutral and medium-temperature conditions, and the synchronous and efficient removal of the starch and the WPET mixed sizing material is completed in one step. The method has a simple process flow, can effectively remove the mixed sizing material, can significantly reduce the damage to the polyester fiber, can improve the fabric hand feeling, and has the outstanding environmental protection advantages of low energy consumption and small wastewater pollution load.

The application discloses a method and device for treating oily sludge by using microorganisms, and comprises the following steps: mixing oily sludge, water, a microbial agent and nutrients to obtain a culture system; and adjusting the temperature and pH of the culture system to degrade oil hydrocarbons in the oily sludge. The application screens out a good strain for degrading residual oil hydrocarbons in oily sludge obtained after thermal chemical cleaning, and improves the culture conditions to realize efficient degradation.