275results about How to "Has economic value" patented technology

The invention discloses an ecological seawater rare fish factorization circulating water aquaculture system which comprises an aquaculture pond, a primary filter tower, an albumen segregator, a primary biological filter tower, a secondary biological filter tower, a tertiary biological filter tower, an algae treating pond, a source water filter pond, a UV (Ultraviolet) sterilizer, a temperature adjusting pond, an arc-shaped sieve, a primary sedimentation pond and a secondary sedimentation pond. A bidirectional drainage system is adopted by the aquaculture pond, the water containing less smaller particles at the lower part of the pond and the water containing more larger particles at the bottom of the pond are respectively drained and then input into different processing units for recycle. Molluscs, sea cucumbers and algae are drawn into aquaculture waste, wastewater disposal and resource utilization by the circulating water aquaculture system, so that the circulating water aquaculture system has an obvious ecological characteristic. The ecological seawater rare fish factorization circulating water aquaculture system has the advantages of high treatment efficiency of aquaculture wastewater and rubbish, simpler equipment, low energy consumption, high backwash efficiency, resource utilization of aquaculture wastewater and rubbish, less circulation supplement water, high treatment efficiency of inorganic nutrient salt in the water and high economic additional value.

The invention relates to the technical field of harmlessness treatment of smelting wastes, and especially relates to a ceramsite prepared by using smelting wastes, and a preparation method thereof. The ceramsite comprises 10-90% of smelting waste powder, 5-40% of municipal sludge, 4-20% of fly ash, 0-20% of gangue and 0.1-10% of a curing agent. The preparation method of the ceramsite comprises the following steps: 1, crushing the smelting wastes by using a crusher to prepare the smelting waste powder; 2, weighing the smelting waste powder, the municipal sludge, the fly ash, gangue and the curing agent, mixing, and uniformly stirring to prepare ceramsite powder; 3, conveying the ceramsite powder to a ball forming granulation machine, and carrying out granulation molding to prepare ceramsite balls; 4, drying the ceramsite balls; and 5, calcining he dried ceramsite balls to prepare the finished ceramsite. The ceramsite prepared in the invention has the advantages of light weight, environmental protection and wide uses; and the preparation method recycles the smelting wastes, and has good economic and social benefits.

The invention discloses a service-oriented intelligent residential area real-time database system and a working method thereof. The system comprises a data interface layer, a data persistence layer, a call service layer, a data model layer and a service layer, wherein the data interface layer is used for performing classified collection on sensor information of a safety protection system or a building automation system of a residual area, packaging data according to a unified communication protocol and transmitting the packaged data into a memory of the data persistence layer in a binary data stream form; the data persistence layer is used for unified storage of the data collected by the data interface layer; the call service layer performs data analysis and storage; the data model layer is used for providing measurement points and an internet-of-things device and performing data associative analysis and prediction; and the service layer is used for providing core services including data analysis, data cleaning, data compression, data decompression, data conversion, real-time data access, historical data access, state monitoring, business management, log recording and alarm services. A real-time database has the characteristics of loose coupling, service reusability and the like.

The invention discloses a method for establishing an urban landscape water body ecological system. The method comprises the following steps: improving a water body substrate; planting submerged plants by using a method that upright posts are adopted to mark areas, so as to establish an underwater frost; planting layered emergent aquatic plants; putting zooplankton (daphnia magna) so as to improve the transparency of the water body; putting aquatic organisms such as fishes, shrimps and shells, so as to complete the water body ecological system; maintaining and managing the ecological system. Through the adoption of the method, the quality of the water body can be remarkably improved, the transparency can be greater than 2.0m, the quality can meet the III-type water quality standard for a long time, black, smell and dirty water bodies with blue-green algae can be thoroughly eliminated, and the water body is always kept clear completely.

The invention provides a zero discharge treatment process of saline sewage produced by refining. The treating process comprises the steps that saline sewage produced by flue gas desulfurization is conveyed to an evaporation chamber after undergoing two-stage filtration and heat exchange, evaporated steam is mixed with fresh steam after being pressurized and the steam mixture enters the shell pass of a heater to be condensed and discharged; saline water in the tube pass of the heater is heated to be evaporated and crystallized in the heater, the steam enters a compressor and salt crystals are deposited in a salt leg at the bottom of the evaporation chamber and are swirled and centrifugally concentrated; salt crystal filter cakes are dried in a drying machine, moisture is volatilized and is discharged from the top of the drying machine, gases pass through a two-stage cyclone separator to separate salt solid particles and the salt solid particles are emptied by a drying draught fan, and the salt solid after dehydration and drying is packaged to prepare sodium sulfite or ammonium sulfate products. The process provided by the invention has the effects of overcoming the defects of the prior art, really achieving zero discharge treatment of sewage and producing sodium sulfite or ammonium sulfate with economic value and has the beneficial effects of high energy efficiency, low investment, short flow, small floor area, low failure rate and satisfaction of long period operation.

The invention relates to a waste printed circuit board non-metal powder/ABS rein composite material and its preparation method. The preparation method comprises the following steps: carrying out alcoholysis of a silane coupling agent KH-560, adding the obtained silane coupling agent KH-560 into printed circuit board non-metal powder, mixing the obtained modified printed circuit board non-metal powder, an ABS resin and a processing assistant in a high-speed mixer, putting the obtained mixture in a screw extruder, extruding, granulating through a granulator, and molding the extruded granules in an injection molding machine to prepare the waste printed circuit board non-metal powder/ABS rein composite material. The method has the advantages of reduction of the product production cost, certain economic values, recovery of the non-metal powder in a waste printed circuit board, prevention of the potential risk of the release of pollutants in randomly-stacked waste printed circuit board non-metal powder to the environment, and strong environment protection.

The invention relates to a method for restoring heavy metal polluted soil with an energy crop castor and belongs to the technical field of ecological restoring of a polluted environment. According to the method, the castor is planted in the heavy metal polluted soil, can grow normally and does not represent any toxicity phenomena; the heavy metal concentration of an above-ground part is higher than that of a root; and the castor represents extremely high transfer ability. According to the method, the plant is used for restoring the heavy metal polluted soil, heavy metal pollutants such as Cd, Ni, Cu, Mn, Zn and Pb in the soil can be removed via a plant extraction process, and the method has a certain economic value at the same time.

The invention discloses a catalyst for producing clean fuel oil by using coal tar and a preparation method of the catalyst. The catalyst comprises a carrier and active components and is characterized in that the carrier comprises alumina, monox and magnesia; the active components are composed of WO3 and NiO or of MoO3 and NiO; the catalyst further comprises an auxiliary agent composed of K2O and Ga2O3; and the quality of the carrier accounts for 62-88% of the total quality of the catalyst, the quality of the active components accounts for 11-32% of the total quality of the catalyst, and the quality of the auxiliary agent accounts for 1-6% of the total quality of the catalyst. The catalyst has high hydrogen desulfurization, hydrodenitrification, hydrodeoxygenation, aromatics saturation and ring-opening reaction activity and proper acid sites, inhibits coking of easy-to-coke substances in coal tar as coked substances can block a reactor, improves stability of catalyst, and allow petroleum naphtha and diesel oil with low sulfur and nitrogen content to be obtained by hydrotreating coal tar.

The invention discloses a method for preparing water treatment filter materials with three purposes from waste red brick blocks and belongs to the technical field of wastewater treatment. The invention mainly aims at the problem of hard disposal of construction waste red brick blocks. Waste brick blocks are subjected to crushing, sieving and grading treatment method to prepare filter materials with three particle specifications used in the treatment of sewage. The water treatment filter materials provided by the invention have rough surface, large specific surface area and high porosity, can be used as biological carriers, not only have filtration and adsorption effects but also have no need for sintering and no secondary pollution to the environment; and the phosphatic precipitation of the calcium and magnesium ions in the waste brick blocks can remove phosphate in water phosphorus, so as to turn the construction waste red brick blocks into treasures.

A method of using vines to control invasion of exotic weeds includes firstly, setting up sample plots in an exotic weed growing land, secondly, setting up a support, thirdly, making a bamboo basket, fourthly, preparing burnt soil, fifthly, preparing matrix mixture, sixthly, filling the bamboo basket, seventhly, growing plants, and eighthly, applying fertilizer. Allelopathy of exotic weeds can be prevented by using the bamboo basket to grow honeysuckle, kudzu and pumpkin, and the roots of the honeysuckle, the kudzu and the pumpkin can be protected from competitive inhibition of the exotic weeds. Raw materials are easy to obtain, the technique is simple and feasible, the exotic weeds are effective in control, and both ecological benefit and economic benefit are considered.

The invention relates to a method for high-yield plantation of Salicornia and soil fertility improvement of coastal mud flat, which comprises the following steps: leveling mud flat salinized soil, furrowing and ditching; applying organic fertilizer into the mud flat salinized soil to fertilize soil; after applying the organic fertilizer into soil, sowing and earthing, which comprises mixing Salicornia seeds with fine sand and uniformly sowing the seeds into ditches; before emergence of seedlings of Salicornia, adopting seawater for irrigation, keeping the soil to be moist, and adopting seawater for irrigation within three weeks after the emergence of seedlings; after the three weeks after the emergence of seedlings, applying urea as topdressing, and applying fertilizer for three times during a growth period; and after applying fertilizer, immediately adopting fresh water for irrigation, after applying fertilizer during the growth period, adopting the fresh water for irrigation for three times, adopting the seawater for irrigation during other periods, and maintaining the soil to be moist. The method has the advantages that the yield of vegetables in salinized soil can be increased, and the nutrition quality is improved; the soil fertility cultivation of saline-alkali soil can be sped up, and the water sources can be saved; the raw materials has wide sources, and are easy to obtain; the development of coastal mud flat planting can be improved, the ecological environment can be improved, and the economical benefit can be increased; and the popularization prospect is wide.

The invention provides a method for analyzing non-data-dependent acquisition mode mass spectral data, comprising the steps of mixing standard ones not present and heavily isotope-labeled among a plurality of analysis samples into samples under test; analyzing the samples by jointly using gas or liquid chromatography and mass spectrometry; acquiring the standard samples heavily isotope-labeled from data acquired in various DDA modes, and mass spectral information of ingredients in the samples under test, and making corresponding mass spectral database files; searching for mas spectral information of the standard samples heavily isotope-labeled from data acquired in various DIA modes; making mass spectral database files suitable for the analysis of data files acquired in each DIA mode; searching DIA data by using mass spectral data commercial software to obtain qualitative and quantitative results of the ingredients of each sample. The mass spectral DIA analysis method provided herein is a brand-new method, ingredients can be massively detected in samples, and the ingredients can be more accurately and quantitatively analyzed.

The present invention relates to metallurgical and chemical technology, and is especially process of recovering metals from magnesia brick as lining of copper smelting furnace. The process includes the following steps: crushing magnesia brick as the material, demagging, oxidizing roasting, extracting copper, deleading, and extracting gold and silver. The process can extract gold, silver, copper and other noble metals, recover magnesium sulfate and side products and protect environment.

The invention relates to a method for purifying eutrophic water in ecological agriculture. According to the method, a plurality of net cages are put in an eutrophic water body, each net cage is provided with three net rafts in the middle, and 0.5m wide areas for oxygenating and growing small insects like mosquitoes are arranged around the net rafts; floating plants resisting eutrophic water are planted on the water surface of the net rafts, submerged plants resisting eutrophic water are planted at the bottoms of the net cages, emergent aquatic plants resisting eutrophic water are planted in the middle of the net rafts, animals resisting eutrophic water are raised in the water, under the irradiation of the sun, the aquatic plants absorb organic matters like nitrogen and phosphorus in the eutrophic water to grow, and give off oxygen, and the aquatic animals are fed on the aquatic plants; the floating plants, the submerged plants and the emergent aquatic plants are planted according to a certain proportion, the aquatic animals are raised, and people can catch the aquatic animals in the net cages at regular intervals to cook; an ecological balance of system of eutrophic water and sunshine-aquatic plant-aquatic animal-food of people is formed, one or two aquatic plants or animals are prevented from overgrowing, and the eutrophic water is purified.

The invention discloses a method for culturing sepiella maindroni in a mesh cage and a special mesh cage device thereof. The device comprises a floating frame consisting of an internal floating frame, an external floating frame, a handrail and a link bearing, and a floating web arranged on the floating frame. A boom rope is arranged on the internal floating frame; and attached ropes are alternately arranged on the boom rope. The method comprises the following steps: adopting the sepiella maindroni special mesh cage device as a culture device to culture sepiella maindroni; and placing macroscopic algae or filter food shells on the attached ropes so as to shade the light and improve the internal ecological environment of the mesh cage. The method and the special mesh cage device thereof have reasonable structure, convenient operation and high economical efficiency, bring about the good culture water body ecological environment and facilitate the growth of sepiella maindroni. The method and the device solve the problems of low product quality, worse taste and high culture cost.

The invention discloses a resource utilization zero-emission recycling process method of a chemical waste nickel liquid. The resource utilization zero-emission recycling process method is characterized by comprising the following steps: I, concentrating and separating the chemical waste nickel liquid, namely, adjusting the pH value of the chemical waste nickel liquid to be 3-5, performing low-temperature negative pressure evaporation concentration, and rising the temperature to 95-110 DEG C, wherein the negative pressure condition is minus 0.09 - minus 0.1MPa and the boiling temperature is not greater than 70 DEG C; II, separating sodium sulfate by an acid solution, namely, performing slow soaking dissolution on chemical nickel residues by a sulfuric acid solution in stirring so as to obtain a sulfuric acid leaching agent; after sufficient cooling, and performing filtration to obtain filtrate and sodium sulfate crystal; III, extracting and separating nickel sulfate, namely, adding ethanol into the filtrate, leaving to stand to layer, and performing solid-separation separation so as to obtain nickel sulfate solid for resource recycling and reuse; IV, recycling ethanol. By adopting the resource utilization zero-emission recycling process method disclosed by the invention, the chemical solid nickel waste can be completely recycled, the requirements of environment-friendliness of waste liquid recycling and zero emission are met indeed, and the required social environment capacity is greatly reduced.

The invention relates to a multifunctional gas catch network, while present product has large volume, high weight and single function. Wherein, the invention comprises an upper cover, a power source with a gas storage chamber and a gas releaser, a catch network with drawing head, an air tube and an emitting head with emitting track; the drawing head is inside the emitting track; one end of air tube via gas releaser is through to the gas storage chamber, while another end is through to the emitting track; and the invention also comprises several wings hinged or clamped on the circumference of power source, while the upper ends of wings are clamped into the annular flange of upper cover to be folded into cylinder shape; said air tube is at the middle of wings; and the catch network is compressed between the wings and the air tube. The invention has small volume, light weight and multifunction. And it has wider application.

The invention discloses a method for treating manganese-containing wastewater, which comprises the following steps: (1) adding alkaline substances into the manganese-containing wastewater; (2) stirring the manganese-containing wastewater into ₂ The gas is passed into manganese-containing waste water for reaction; (3) after the reaction is completed, solid-liquid separation is carried out to obtain manganese carbonate solid and manganese removal solution. The treatment method of the manganese-containing wastewater of the present invention is to treat waste by using waste, adopting sulfuric acid leaching in the production process of electrolytic manganese or the waste gas containing carbon dioxide produced by boiler combustion in the production process of electrolytic manganese, and adding a small amount of alkaline substances, the waste gas containing The effective recovery of manganese resources in manganese wastewater has a certain economic value; at the same time, the manganese removal solution produced can be returned to the production of electrolytic manganese, electrolytic manganese dioxide or electrolytic manganese tetraoxide for reuse, and no waste is generated in the whole process, protecting the environment.

The invention provides a method for producing butane diacid by fermenting cheap Jerusalem artichoke raw material. The invention also provides the application of the Jerusalem artichoke raw material in preparing butane diacid. Meanwhile, the invention provides the application of Actinobacillus succinogenes in the method for preparing the butane diacid by using the Jerusalem artichoke as raw material. The invention has the advantages of using renewable material, being environment-friendly, relieving the lack of the petrification resource in synthesizing the butane diacid by chemical process, and obvious embodiment of no competition with human for grains and no competition with grains for land; therefore, not only the cost of the culture medium of fermentation is reduced, but also the shortage of the grain as fermentation raw material is relieved; moreover, the development and use of large areas of marginal lands such as wasteland, desert and mudflat and the like are solved, thereby being favorable to environment and agriculture and rural construction, and increasing the income of farmers.

The invention relates to a medicine and food dual-purpose traditional Chinese medicine composition with anti-tumor activity and immunoregulation effect and application thereof. The composition comprises ganoderma lucidum extract and radix astragali extract in mass ratio of 1:0.5-3, wherein the ganoderma lucidum extract comprises the following effective medicinal ingredients in percentage by weight: 50-70% of ganoderma lucidum polysaccharides and 6-10% of ganoderma lucidum total triterpene; and the radix astragali extract comprises the effective medicinal ingredient in percentage by weight: 20-45% of radix astragali polysaccharide. Based on traditional Chinese medicine pharmacological animal experiments, the composition of the invention is found having anti-tumor effect, improves the immunocompetence of a body, and has a medicine and food dual-purpose property. In addition, compared with single ganoderma lucidum, the use of the radix astragali as raw material reduces the cost of the traditional Chinese medicine composition, the anti-tumor and immunoregulation curative effects are close to the curative effects of the same amount of the single ganoderma lucidum, and the invention has certain economic value.

The invention discloses a recycling treatment method for low-concentration amide type wastewater. The recycling treatment method comprises the following steps: carrying out alkaline hydrolysis on thelow-concentration amide type wastewater, wherein an alkaline hydrolysis product is dimethylamine and carboxylate; after complete alkaline hydrolysis is carried out, separating free dimethylamine in the wastewater by adopting a blowing-off method, so as to reduce the content of total nitrogen in the wastewater. The blown-off wastewater is treated through adopting a high-grade oxidization technology, so as to reach emission standards. Meanwhile, the blown-off dimethylamine is absorbed through two-grade spraying and the dimethylamine is completely absorbed, so that zero emission is realized. Therecycling treatment method disclosed by the invention is simple to operate and wide in wastewater applicable range; new wastes are not produced, and waste gas and wastewater emission reaches standards; the recycled dimethylamine can be used as a downstream product for selling; the recycling treatment method has certain economic value, the treatment cost is reduced and the requirements on a green and environment-friendly strategic route capable of realizing sustainable development are met.

The invention provides a flue gas system for ultra-clean treatment of cement kiln exhaust gas. The flue gas system includes an oxidative denitration reactor, a CFB absorption tower, a bag filter, a process water system, an absorbent preparation and supply system, a desulfurization ash circulation and conveying system and a chimney. The process water system includes a process water tank, a water pump, a desulfurization spray gun and a digestion spray gun. An absorbent preparation system includes a quick lime bin, a dry digester, a cyclone separator, a buffer bin and a slaked lime bin. The desulfurization ash circulation and conveying system includes an air chute and a bin pump. A dry type coupling desulfurization and denitrification technology is adopted, nitrogen oxides and sulfur oxides in flue gas can be effectively removed, to meet national regulations on ultra-low emission of flue gas pollutants, the flue gas system is free of waste water or secondary pollution, and a by-product can be utilized.

The invention relates to a method for restoring vegetation of high and cold sand land in Northwestern Sichuan, in particular to a method for sustainable management of the high and cold sand land in Northwestern Sichuan with rhodiola rosea and belongs to the technical field of agriculture. The method comprises the following steps that a, sand-protecting barriers are constructed; b, seeds are selected, wherein seedlings or root and stem division propagation seedlings of rhodiola rosea are selected, and rhodiola rosea is rhodiola crenulata or rhodiola kirilowii; c, planting is conducted, wherein the seedlings are transplanted to the high and cold sand land in Northwestern Sichuan in a hole planting mode in autumn; d, management is conducted, wherein fertilizer is applied and pest control is conducted; e, seeds are collected after rhodiola rosea grows for five years. According to the method for sustainable management of the high and cold sand land in Northwestern Sichuan with rhodiola rosea, rhodiola rosea is successively planted in the high and cold sand land in Northwestern Sichuan, and the survival rate of rhodiola kirilowii can reach over 90%; due to the fact that rhodiola rosea has certain economic value, if rhodiola rosea is successively grown in Northwestern Sichuan, the ecologic value and the economic value are both achieved, and the sustainability of management of the high and cold sand land in Northwestern Sichuan is achieved.