35results about How to "Realize reasonable reuse" patented technology

The invention provides a layered double hydroxide (LDH) modified super-hydrophobic cloth for oil-water separation and a preparation process thereof. LDH is generated on the surface of commercial cloth by a hydrothermal method in an in-situ manner so as to improve the roughness of the cloth; then a substance with low surface energy is modified to obtain the super-hydrophobic cloth. The super-hydrophobic cloth prepared by the process comprises a cloth fiber layer and a super-hydrophobic LDH sheet layer, wherein the super-hydrophobic LDH sheet layer is formed by an LDH nanosheet which is irregularly and vertically attached on the cloth fiber layer, the chemical structural formula of the LDH nanosheet is [Mg<2+>(1-x)Al<3+>x(OH)2]<x+>[NO3<->]x.mH2O, wherein x represents one numerical value between 0 and 1, and the thickness of the LDH sheet layer is 300-1000nm. The prepared cloth has a contact angle more than 150 degrees, has good oil-water separation capability, can achieve high separation efficiency (up to 97%) to oil water mixture with different ingredients and different volume ratios, and has low relative standard deviation less than 0.7%. The LDH modified super-hydrophobic cloth has important significance on separation of oil water mixture, treatment on pollution of rivers, lakes and the sea caused by petroleum and non-insoluble oil stain.

The invention discloses a multi-stage waste incineration purification treatment technology. The specific technological process comprises the following steps that heavy metal and dioxin in incinerationflue gas are treated, specifically, a certain amount of limestone and calcium chloride are added into waste to be mixed and stirred evenly, HCl in the waste can be effectively removed, and generationof Cl2 is further reduced, so that generation of the dioxin is reduced, and pretreated waste is obtained; the pretreated waste is placed into an incinerator to be incinerated, oxygen is blown in fromthe bottom of the incinerator through an air blower in the incinerating process, stirring and incinerating are conducted at the same time in the incinerating process, sufficient burning of the wasteis facilitated, generation of the dioxin is reduced, and meanwhile an inhibitor is constantly sprayed from the top of the incinerator; and a dust removing cloth bag of a bag-type dust remover is filled with a mixture of activated carbon powder and quicklime. According to the multi-stage waste incineration purification treatment technology, alkalization treatment is conducted before the waste is incinerated, chlorine sources in the waste can be reduced, meanwhile oxygen is blown into the incinerator, so that the waste is burned sufficiently, and generation of the dioxin is reduced.

The invention discloses a biomass combustion boiler. The boiler comprises a boiler body, a gas combustion chamber, a gasification chamber, an air supply pipeline, a preheating water tank and a chain grate stoker; the gas combustion chamber is arranged in the boiler in a penetrating mode, a boiler arch is arranged between the gasification chamber and the gas combustion chamber, the gas combustion chamber communicates with a waste gas exhaust pipeline, the two ends of the air supply pipeline communicate with the gasification chamber and the gas combustion chamber correspondingly, and the air supply pipeline surrounds the peripheral wall of the gasification chamber; the preheating water tank is arranged on the outer wall of the waste gas exhaust pipeline and communicates with the boiler; a carbon recovery chamber is arranged below the boiler arch and the gasification chamber, and a carbon inlet is formed in the position, located at the output tail end of the chain grate stoker, of the carbon recovery chamber; a vaporizing pipeline surrounds the peripheral wall of the boiler arch or the gasification chamber, the water inlet end of the vaporizing pipeline communicates with the preheating water tank, and the steam outlet end of the vaporizing pipeline is mounted in the carbon recovery chamber; and the carbon recovery chamber communicates with the gas combustion chamber through a gas suction pipeline. The combustion boiler can recover high-temperature waste heat of carbon production, and also realizes waste heat recovery of gas combustion waste gas.

The invention belongs to the technical field of industrial wastewater treatment adsorbents, and particularly relates to an adsorbent capable of removing heavy metals in industrial wastewater and a preparation method of the adsorbent. The preparation method of the adsorbent comprises the following steps: mixing and stirring 10-20wt% of sodium hydroxide and 80-90wt% of water glass until sodium hydroxide particles are completely dissolved to obtain an alkali activator; mixing 55-65 wt% of sawdust powder, 20-30 wt% of steel slag powder and 10-20 wt% of the alkali activator, and grinding for 0.5-1h to obtain mixed powder; subjecting the mixed powder to mechanical pressing and forming under a pressure of 100-150 MPa to obtain a steel slag sawdust geopolymer precursor; drying the geopolymer precursor at 50-80 DEG C, then carrying out heat preservation for 1-2.5 hours at 600-850 DEG C under the protection of nitrogen to obtain a steel slag sawdust carbon composite material; and washing the steel slag sawdust carbon composite material with deionized water until the pH value of the washing water is 5-7 to obtain the adsorbent. The preparation method disclosed by the invention has the advantages of low cost, simple process, easiness in industrial production and the like, and the prepared easily recycled adsorbent for removing the heavy metals in the industrial wastewater has a good adsorption effect on the heavy metals and is easy to recycle.

The invention relates to a biofilter purification method for benzoic acid. The method comprises the following steps: (1) residual phase waste water after toluene extraction of benzoic acid production waste water is blended with domestic sewage, and a mixed solution is formed; (2) the mixed solution after blending is sent into a novel multifunctional purifying groove, primary anaerobic acidizing hydrolysis treatment is carried out for the mixed solution firstly, then a secondary aerobic treatment is carried out, finally deposition and disinfection treatment is carried out, and the solution is discharged from the novel multifunctional purifying groove. The benzoic acid waste water which is treated after twice extraction by toluene is mixed with the domestic sewage for adjusting, and biochemical treatment is continuously carried out in the biofilter; water qualities of discharged water in different treatment conditions with different volume ratios between the benzoic acid waste water and the domestic sewage are investigated, the water qualities can meet the national town sewage discharge primary standard, the treatment effect of NH4+-N reaches the secondary standard, so that good degradation and removal effects of low concentration benzoic acid waste water through the primary anaerobic and secondary aerobic biofilter are verified.

The invention discloses a non-toxic breathable rigid plastic scorpion nest for scorpion breeding and relates to the technical field of scorpion breeding. The non-toxic breathable rigid plastic scorpion nest for scorpion breeding is made from the following raw materials comprising, by weight, 15-20 parts of acrylonitrile-butadiene-styrene copolymer, 10-15 parts of polyvinyl chloride paste resin, 5-10 parts of hydrogenated rosin glyceride, 4-8 parts of pulverized fuel ash, 3-6 parts of wheat straw dry powder, 3-6 parts of pine needle powder, 2-4 parts of turpentine, 2-4 parts of wheat bran, 1-2 parts of superfine polytetrafluoroethylene powder, 1-2 parts of hydrogenated palm oil, 1-2 parts of asbestos wool, 0.5-1 part of cooking wine, 0.5-1 part of bitter gourd powder, 0.5-1 part of nanometer aluminum oxide and 0.5-1 part of nanometer titanium dioxide. The non-toxic breathable rigid plastic scorpion nest for scorpion breeding has the advantages of being light in weight, not prone to damage and long in service life; and besides, the raw materials comprise the vegetal wheat straw dry powder, the pine needle powder and the wheat bran, the cost is lowered, and meanwhile the vegetal wheat straw, the pine needle and the wheat bran are reasonably reutilized.

The invention discloses a method for preparing a function additive by using coconut residues serving as byproducts, and relates to the technical field of drink processing byproducts. The method mainly comprises the following steps: (1) carrying out freeze drying on the coconut residues, and preparing powder; (2) carbonizing the coconut residues at high temperature; (3) modifying the coconut residues. The function additive is prepared through the method; reasonable reuse of the coconut residues which are coconut juice processing byproducts is realized; the economical value of the coconut residues is increased; the prepared function additive can be used as a wear resisting agent added into a plastic product preparation raw material, so as to improve the wear resistance of a prepared plastic product to prolong the service life of the plastic product based on the wear resistance.

The invention discloses a method for optimizing the capacity of a 5G communication system based on an improved bat algorithm. The 5G communication system includes a cellular network terminal (CUE) and a D2D mobile terminal (DUE). The method includes: (1) initializing basic parameters, including cell radius , iteration times, etc.; (2) Randomly initialize and reverse-initialize the bat population, and each individual bat represents a channel resource allocation scheme; (3) Solve the fitness value of the bat population; (4) Select excellent bat individuals according to the fitness value as Initial solution; (5) Perform cross-mutation operation on the bat population to generate a new population; (6) Mix the population to select the optimal solution; (7) Determine whether the iteration is over, if not, return to step (4), If the iteration is complete, the method ends, and the resource allocation scheme with the largest system capacity is obtained. The present invention can select the best D2D user combination, realize reasonable multiplexing of communication network resources, and thereby improve system capacity.

The invention belongs to the technical field of industrial wastewater treatment adsorbents, in particular to an adsorbent capable of removing heavy metals in industrial wastewater and a preparation method thereof. The preparation method of the adsorbent comprises mixing and stirring 10-20wt% sodium hydroxide and 80-90wt% water glass until the sodium hydroxide particles are completely dissolved to obtain an alkali activator; mixing 55-65wt% sawdust powder, 20 ~30wt% steel slag powder and 10~20wt% alkali activator are mixed, and ground for 0.5~1h to obtain mixed powder; the mixed powder is machine-pressed under a pressure of 100~150MPa to obtain steel slag sawdust geopolymer precursor; After drying the precursor at 50-80°C, keep it at 600-850°C under nitrogen protection for 1-2.5 hours to obtain the steel slag sawdust-carbon composite material; wash the steel slag sawdust-carbon composite material with deionized water until the pH of the washing water is 5-7 hours, the adsorbent can be obtained. The preparation method of the invention has the advantages of low cost, simple process, and easy industrial production, and the prepared and easily recycled adsorbent for removing heavy metals in industrial wastewater has good adsorption effect on heavy metals and is easy to recycle.

The invention discloses a method for preparing a garden rockery by utilizing construction waste regeneration, which relates to the technical field of rockery processing, and comprises the following steps: (1) manufacturing a mold, (2) crushing construction waste, (3) mixing materials, (4) carrying out pouring, (5) carrying out structural densification treatment, (6) carrying out demolding, and (7)carrying out modifying. According to the invention, the construction waste is used as a main material, and auxiliary materials such as polycaprolactone and the like are used for processing to preparethe rockery, so that the reasonable reutilization of the construction waste is realized, and the manufactured rockery is good in appearance quality, high in environmental protection property, good incompression resistance and high in water-retaining property, and facilitates cultivation of green plants on the rockery, so that the environment is beautified and purified.

The invention discloses a device for processing a wood-plastic composite by utilizing waste rigid plastic and modified coconut residuum. The device for processing the wood-plastic composite by utilizing the waste rigid plastic and the modified coconut residuum relates to the technical field of plastic regeneration, and is formed by a base, a smashing chamber, a cleaning chamber and a composite chamber. The device provided by the invention integrates smashing, cleaning and compositing into a whole; the combined processing of the waste rigid plastic and the modified coconut residuum can be quickly realized so as to prepare the wood-plastic composite; and the modified coconut residuum is replaced with wood flour, so that the processing cost is reduced, meanwhile, the coconut residuum is reasonably recycled, an economic value of the coconut residuum is improved, and new application of the coconut residuum in the field of the wood-plastic composites is realized.

The invention relates to a plant fiber / waste FPR composite material and a preparation method thereof. The preparation method comprises the following steps: dispersing 50-80% of plant fibers and 5-20% of PVA fibers in water in percentages by weight and uniformly stirring, then adding 10-30% of waste FPR powder wetted by a wetting agent in percentages by weight, and uniformly stirring to obtain a fluid to be treated; and carrying out papermaking and molding on the fluid to be treated to obtain wet paper sheets, and squeezing and drying to obtain the plant fiber / waste FPR composite material. According to the preparation method disclosed by the invention, the waste FPR and the plant fibers serve as main materials, PVA fibers serve as adhesives, so that the plant fibers and the waste FPR are combined well, and the strength property of the material is improved effectively; the wetting agent facilitates dispersion of the waste FPR in a system, properties of the various components are played fully, the composite material with good properties is prepared by a wet-method papermaking technology, and reasonable reusing of resources is realized; and the preparation method is simple and feasible, and the recycling rate is high and can reach 100%.