121results about How to "Solve the regeneration problem" patented technology

The invention relates to an ectopic leaching restoring device and a restoring method for chromic slag polluted soil. The device is provided with an integrated soil leaching and dewatering system and mainly comprises a feeding system, a soil leaching-dewatering system, a waste gas treating system, an elution collecting treating system and an automatics control system. The chromic slag polluted soil firstly enters a reaction tank leaching section through the feeding system; a chrome-containing component in the soil is transferred into a liquid phase of a leaching agent; the liquid phase is rotated following a spiral stirring thruster; a muddy water mixture is conveyed into a reaction tank dewatering section; the filtrate is discharged through a tank wall with a water-permeable filtering function; the remained soil is conveyed to a mud discharging device following the rotating of the spiral stirring thruster; and lastly, the soil after being leached and dewatered is discharged. The device provided by the invention has the advantages that a power source is utilized to realize the soil leaching and muddy water separating, the energy consumption is low, the structure is simple, the use is convenient, the treating efficiency is high, and the purified degree of the polluted soil after being treated by using the device is above 85%.

A creamed reclaimed rubber and its production are disclosed. It consists of 20-50 mesh vulcanized rubber powder 100 proportion, paraffin oil as solvent 70-90 proportion, solid coumarone 10-30 proportion as solvent, catalyst and catalyst accessory phthalic acid anhydride 2-5 proportion, methyl aldehyde aqueous solution 4-6 proportion, 1,3-benzenediol 0.2-0.5 proportion. The process is carried out by adding vulcanized rubber powder into vertical de-polymerizer, adding into solvent, catalyst and catalyst accessory successively, closing feeding open, agitating, raising temperature to 160-180 deg. C, controlling pressure to 0.5-0.7 MPa, reacting for 2-2.5 hrs, lowering temperature, releasing gas, discharging and filtering to obtain final product. It's simple, has stable quality, waterproof and antiseptic performances and no environmental pollution. It can be used to synthesize rubber with petrochemical asphalt and to paving road.

The related sealing-type CO2 laser tube comprises: a metal-plated full reflection mirror 1, a muffler 2 set in tube 4 to connect sheath 3 and tube 5, a gas storage sheath 3, a water cooling tube 4 set on top of a discharge tube 5 together in sheath 3, an output mirror 6 together with mirror 1 bonded on ends of laser tube ends by epoxy resin, the TiO2 photo catalyst 8 coated on inner wall of tube 5 and electrodes 7 / 9, and two electrodes 7 / 9 coaxial arranged on ends of tube 5. This invention is simple and convenient, prolongs product life time, reduces cost, and has well social and economic benefits.

The invention discloses a method for regenerating a deactivated palladium catalyst on line in process of preparing ethylene glycol through coal. The whole regeneration process is performed in a conventional fixed bed reactor. The process comprises the following steps: respectively introducing water vapor to remove partial organic matters and inorganic matters attached to the surface of the catalyst at different temperatures, introducing N2 to dredge a carrier pore channel, introducing O2 to remove carbon deposit on the catalyst, oxidizing and dispersing the aggregated palladium in a reduced state, introducing H2 to reduce and re-disperse active ingredients, and regenerating the catalyst so as to basically restore the activity of the catalyst, wherein the performance of the catalyst is slightly lower than that of a fresh catalyst, and the catalyst can be continuously used for half a year. According to the regeneration method adopted by the invention, the catalyst does not need to be discharged out of the fixed bed, and the method is simple, economical and easy to operate and has significance in developing a technology of producing ethylene glycol through coal.

The invention discloses an integral type organic waste gas treatment device which comprises a shell, wherein an air inlet is formed in a side surface of the shell; an air outlet is formed in the upperend surface or the lower end surface of the shell; a rotating main shaft extending outside from inside is arranged inside the shell; a speed reduction motor is arranged at an end part, outside the shell, of the rotating main shaft; a first filtering cylinder, a second filtering cylinder and a third filtering cylinder are sequentially arranged inside the shell in a layer to layer manner; a plurality plasma bodies and ultraviolet lamp tubes which are distributed at annular intervals are arranged between the first filtering cylinder and the second filtering cylinder; an activated carbon layer isarranged between the second filtering cylinder and the third filtering cylinder; the upper end and the lower end of the first filtering cylinder are respectively connected with the interior of the shell; an upper sealing end cover and a lower sealing end cover are respectively arranged at two ends of the second filtering cylinder and the third filtering cylinder; the rotating main shaft penetrates through the shell, the upper end cover and the lower end cover. The integral type organic waste gas treatment device has the effects of being high in waste gas treatment efficiency, thorough in waste gas treatment, low in energy consumption and long in service life.

Production of diesel oil from waste lube oil is carried out by putting waste lube oil into distillation still, heat distilling, adding flokite 0.5-2wt% of lube oil into distilling tower as catalyst, controlling distilling temperature between 125-380degree, first distilling to obtain distilland, putting it into agitator, adding into commercial sulphuric acid1-1.5wt%, agitating for 2-3hrs, laying aside for 3-5hrs to obtain supernatant, putting it into agitator, adding into sodium hydrate 1-1.5wt% with concentration 25-30%, agitating for 2-3hrs and laying aside for 3-5hrs to obtain the final product. It's simple, has better recovery rate and no environmental pollution.

A process for regenerating the used water glass sand used for metallic casting includes such steps as breaking, adding water, freezing at -1¿D-60 deg.C, dry regeneration while dusting and de-moistening.

The invention discloses a treatment method of heavy metal wastewater which contains high concentrated suspended substance. The method uses case collection sugar acidic solution as the heavy metal flocculant which can be settled when the pH value is 7-9 and can rapidly separate the suspended substance. The condensation of the heavy metal ion in wastewater can be reduced after being separated. And then, after the wastewater is adsorbed by fine particle case collection sugar, the wastewater can reach the discharge standard. At the same time, the saturated case collection sugar can be adsorbed and can be taken as the supplement heavy metal flocculant after being processed acidifying action. The treatment method has simple process which is convenient to be operated. The adsorption agent can be used for the second time, and the regeneration can be avoided.

The invention relates to a method for preparing nitrogen-containing ordered mesoporous carbon (OMC) materials based on biomass bases. The method comprises the following steps of preparing a structure-directly agent solution; adding a phenolic aldehyde condensation oligomer prepared through phenolic aldehyde condensation reaction between biomass phenols instead of part of phenols and furfural to the structure-directly agent solution, heating the mixture to 75-100 DEG C, stirring the materials uniformly, then reacting at 100-200 DEG C for 6-72 hours, filtering and drying the reactant, then roasting the reactant at 350-500 DEG C for 1-3 hours in an inert atmosphere, then carrying out acid pickling and drying and then carrying out high temperature carbonization at 600-900 DEG C for 1-5 hours under the protection of the inert atmosphere, thus obtaining the nitrogen-containing OMC materials. The method has the advantages that cheap regenerable biomass phenols are adopted instead of part of phenols, thus solving the problem of current energy regeneration; the structure-directly agent solution formed by adopting combined action of a specific metal ion compound and a polymer containing imidogen can be used for regulating the specific surface area according to the actual requirements.

The invention discloses a heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling. The heat source tower heat pump device comprises a refrigerant loop, a solution loop, a vacuum maintaining loop, an air loop, a regeneration solution heating loop and a cold and hot water loop. According to the heat source tower heat pump device, the characteristic of solution boiling point depression in vacuum is fully utilized for solution regeneration, on the premise that heating operation of a heat pump system is not influenced, heat of subcooling of system liquid refrigerants is used as solution regeneration heat, the solution regeneration problem of the heat source tower heat pump system is completely solved, reliability of heating operation of the heat source tower heat pump system in winter is improved, and system comprehensive high efficiency is achieved.

The invention relates to method for purifying erythromycin A from fermented liquid by adopting a resin adsorption method, which includes the following steps: (1) adsorption, (2) washing of impurities, (3) desorption, (4) salifying of eluent and the like. The method overcomes the defects of lower elution rate of 1BV erythromycin, more impurity contents in products and the like in the existing resin adsorption and separation technology. In addition, the invention also provides a resin regeneration method which includes the following main steps: mixed solution consisting of 0.1 mol / L-1.0 mol / L NaOH aqueous solution and a water soluble or partially water soluble organic solvent is adopted for washing resin to be regenerated, so as to solve the problem of poor resin regeneration effect in the prior art.

The invention, belonging to the technical field of adsorption catalysis materials, discloses a carbon nanotube and {001}surface TiO2 microsphere composite material photocatalyst, its preparation method and application. The preparation method comprises the following steps: adding titanium tetrafluoride in water, fully stirring, and then adding nanotubes pretreated by acids, carrying out ultrasonicdispersion, carrying out hydro-thermal reaction in a teflon pot, collecting precipitates in the pot, cleaning in a centrifugal way, and drying to obtain the carbon nanotube and {001}surface TiO2 microsphere composite material photocatalyst. The photocatalyst has strong adsorption properties to volatile organic compounds and strong photocatalytic activity, so as to realize the integration of the absorption and photocatalytic oxidation of the volatile organic compounds, thus hydroxy radicals generated on the surface of the catalyst can be allowed to effectively mineralize and degrade the volatile organic compounds absorbed and gathered by the adsorption material in situ, and the reaction rate and efficiency of the photocatalytic oxidation of organic pollutants are greatly enhanced. The photocatalyst can be applied as an adsorbent or photocatalyst for the field of environmental protection.

The invention discloses a short-hole-channel ordered mesoporous silica-sulfur-indium-zinc composite photocatalyst as well as a preparation method and application thereof. The short-hole-channel ordered mesoporous silica-sulfur-indium-zinc composite photocatalyst is prepared through the following steps of mixing ethyl orthosilicate with ZrOCl2, zinc salt, indium salt and a reducing agent so as to obtain a mixture, in the presence of a surfactant, sequentially performing sol-gel treatment, hydrothermal treatment and alcohol ultrasonic treatment, performing sucking filtration, performing cleaning and performing drying. According to the photocatalyst, the integration of adsorption and photocatalytic oxidation is realized, the photocatalyst has high adsorption properties and high photocatalytic activity on volatile organic compounds (VOCs), and hydroxyl radicals produced on the surface of a catalyst can effectively degrade the VOCs adsorbed and enriched by materials in an in-situ manner, so that the reaction rate and the reaction efficiency of photocatalytic degradation on the VOCs can be substantially improved, the photocatalyst can be used as an adsorbent or the photocatalyst for organic contaminants in the field of environmental protection, and the photocatalyst has wide environmental protection application potential.

The invention discloses an integrated heat source tower heat pump device based on comprehensive utilization. The integrated heat source tower heat pump device based on the comprehensive utilization comprises a refrigerating agent loop, a solution loop and an air loop. Through control over a first electric three-way control valve, the ratio of solution, coming out from a finned tube exchanger, of a first solution pump to solution absorbed from a heat source tower is adjusted, so that control over the temperature of solution entering the finned tube exchanger is achieved. Therefore, adjustment of the dehumidification amount of air in the finned tube exchanger is achieved. According to the integrated heat source tower heat pump device based on the comprehensive utilization, heat released by super-cold refrigerating agent or overheated refrigerating agent is used for regenerating solution, and based on air closed circulation, high-efficiency regeneration of the solution of a heat source tower heat pump system is achieved, the problem of regeneration of the solution of the heat source tower heat pump system is thoroughly solved, safe reliability of the heat source tower heat pump system under various operation conditions is improved, and comprehension and high efficiency of the system are achieved.

The invention provides a demercuration and regeneration method for a copper-based demercuration adsorbent. The demercuration and regeneration method for the copper-based demercuration adsorbent includes the following steps that the used copper-based demercuration adsorbent and a catalyst are mixed and preheated, then mixed gas containing oxygen, hydrogen chloride and shielding gas is introduced, a demercuration reaction is carried out, and a solid mixture and desorbed mercury are obtained; the solid mixture is screened and ultrasonically washed, and a crude regenerated copper-based demercuration adsorbent is obtained; the crude copper-based demercuration adsorbent is dried and calcined, and the regenerated copper-based demercuration adsorbent is obtained. The catalyst contains chloride and silicon dioxide, or the catalyst contains sulfide and silicon dioxide. Based on the mass of the mixed gas being 100%, the mass ratio of hydrogen chloride to oxygen to the shielding gas is (5%-10%):(1%-2%):(88%-94%); the ultrasonic washing frequency ranges from 1 MHz to 1.5 MHz.

The invention relates to an activated bactericide for improving the activity of a biological membrane on filler in the water treatment as well as application of the activated bactericide in a contact oxidation process. The activated bactericide is characterized in that an activating agent is a mixed bacteria liquid comprising pseudomonas fluorescens accounting for 40-60 percent of the total bacterial count, 15-20 percent of bacillus subtilis, 15-30 percent of bacillus megaterium, 5-10 percent of bacillus pumilus and metabolite of a culture solution of the mixture. The concentration of the activating agent added into the treatment water is 10<-6>-10<-5>. A materializing sludge layer generated by the filler can be effectively desorbed, a novel materializing sludge layer can be stopped from forming, and the service life of the filler is prolonged to 3-5 years; the activated bactericide has a function of in-situ regenerating and activating an aerobic and facultative anaerobic microbe and restores the activity of the biological membrane, so that the dormant and inactivated biological membrane on the filler is activated and restored, a bacteria colony on a novel membrane is positioned in a high-activity excited state, and further the decomposition ability is improved; and after the activated bactericide is fed, the removal rate of effluent COD (Chemical Oxygen Demand) is improved bymore than one time compared with that of the condition that the activating agent is not used.

The invention discloses an air-based heat-source tower heat pump for realizing the high-efficiency utilization of regenerated heat. The heat-source tower heat pump comprises a refrigerant loop, a solution loop, an air loop and a cold-hot water loop. The heat-source tower heat pump disclosed by the invention has the advantages that emitted heat is cooled by fully utilizing an overheat refrigerant, and on the basis of air closed circulation, the solution regeneration is realized, heat-supplying hot water is prepared simultaneously, the high-efficiency regeneration of a solution of the heat-source tower heat pump system is realized, the problem of the solution regeneration of the heat-source tower heat pump system is thoroughly solved, the safety and the reliability of the heat-source tower heat pump system under various operating conditions are improved and comprehensive and high efficiency of the system is realized.

The invention provides a construction muck regenerated soil treatment technology. Before construction mucks are fed into a preliminary crushing device I to be subjected to primary crushing treatment,blocky sundries are picked out by operators. After being preliminarily crushed into to-be-treated materials with the diameter not exceeding the main crushing feed upper limit, the construction mucks fall onto a belt conveyor 2, the sundries are picked out manually, and steel bars are attracted out through an iron separator; then the materials are conveyed into a roller stone scrubber 3 through thebelt conveyor 2, water is added into the materials, and the materials are stirred, struck, ground and washed; in the stirring and washing process, blocky construction waste are struck and ground, hardened soil blocks can be crashed and pulverized, all residual soil and dust and water on the sundries are combined into slurry, and then the slurry and the blocky materials together are fed into a screening and treating device 4; after solid particles and the sundries are filtered out, the slurry goes into a sand washer to remove sand; the sand-removed slurry overflows and goes into a sedimentation tank 6, soil particles start to precipitate slowly along with slowdown of water flow; after a period of time, the soil precipitates and solidifies; through a slurry pump or other devices, the slurryis charged into a stirring machine 7 and is stirred together with organic materials and additives; after being stirred uniformly, the mixture is dehydrated and solidified through a dehydrating device8 to form finished planting soil.

The invention discloses a Bletilla striata mycorrhizal fungus which is Sebacinales sp.mycorrhizal fungal strain YY-51 and is collected in China General Microbiological Culture Collection Center on 31th July, 2015, at No.3, Institute 1, Beichen western road, Chaoyang District of Beijing, in Institute of Microbiology, Chinese Academy of Sciences, under GCMCC NO.11104.Mycelia of the Bletilla striata mycorrhizal fungus and Bletilla striata seeds can be made into a Bletilla striata seed and Bletilla striata mycorrhizal fungus symbiotic mixture to facilitate Bletilla striata seed germination, with germinating rate up to 98%.

The invention provides a heat-source tower heat pump system based on freeze regeneration and regeneration heat utilization. The heat-source tower heat pump system comprises a refrigerant circuit, a solution circuit, a vacuum maintaining circuit, a vapor circuit, a solution regeneration circuit and a cold and hot water circuit. The solution regeneration circuit comprises a vacuum freeze regenerator, an ice-solution separator, a heat regenerator, a second compressor and other devices. A dilute solution needing to be regenerated in a heat-source tower is sprayed into the vacuum freeze regenerator. Part of water in the dilute solution absorbs heat of the solution to be evaporated under a vacuum environment, the temperature of a residual solution is lowered to the freezing point of the solution, freezing is conducted and ice crystals are separated out, ice crystals are separated out through the ice-solution separator, a concentrated solution is obtained, and the solution is regenerated. Meanwhile, by means of heat released by condensation of vapor, the solution is heated, the reuse of vapor heat is achieved, the solution regeneration problem of the heat-source tower heat pump system is efficiently solved, and the comprehensive efficiency and safe reliability of the heat-source tower heat pump system under various running working conditions are improved.

The invention relates to the technical field of material preparation, and particularly discloses a composite photocatalyst as well as a preparation method and an application thereof. The preparation method of the composite photocatalyst comprises the following steps: roasting a phthalocyanine metal monomer in an inert atmosphere to obtain a phthalocyanine metal polymer; and mixing the phthalocyanine metal polymer with a graphite-phase carbon nitride precursor, and roasting in an inert atmosphere to obtain the composite photocatalyst. According to the prepared composite catalyst system, the twomaterials of the g-C3N4 quantum dots and the phthalocyanine polymer can be effectively connected, and effective contact and uniform loading of the two materials are realized; meanwhile, a transfer channel of photo-induced electrons can be synchronously constructed, so that the photo-induced electrons are transferred to metals of a phthalocyanine ring from the g-C3N4 semiconductor material througha pi-pi conjugate channel, regeneration of active components is promoted in an external electron adding form, and the photo-Fenton reaction efficiency and the regeneration capacity of the catalyst are improved.

The invention provides an autocorrelation light source regeneration-based wavelength division multiplexing coherent reception method. The method comprises the following steps: (1) an initial light source is used to generate a plurality of related wavelength light sources; (2) the related wavelength light sources are used as modulating light sources to generate a multipath wavelength division multiplexing signal, and is combined with the initial light source to form a dense wavelength division multiplexing signal which is connected to a link to be transmitted; (3) on an arbitrary site, the initial light source and a wavelength signal to be received are downloaded, the initial light source is amplified and divided into two paths, wherein one path is continuously transmitted on the site, while a plurality of new light sources are obtained once again on the other path; (4) a light source receiving wavelength signal frequency points is obtained by filtering, the light source is extracted and split, wherein one path is used as a coherence resonance light source for coherence receiving, while the other path is used as a modulating light source to reload service on the site; and (5) the data is uploaded via the site after reloading is completed so as to complete the whole process. The method reduces the requirement on lasers, provides high-coherence light sources, and does not influence the performance of a coherent receiving system.

This invention relates to a vacuum fusion furnace preparing castable Mo products with waste Mo including a vacuum chamber and a pot set in it, in which a cast model is under the pot, a cast hole with a group casting strob is set at the bottom of the graphite pot, the outside wall and bottom of the pot are wrapped by an insulated heat preservation conduction material layer, the outer of which is a water-cooling jacket with arc stabilizing coil in it, which can guarantee the heat balance necessary for smelting waste Mo and increases density of the products while eliminating nitrogen, hydrogen and oxygen and alloy impurities at low melting point compared with products produced by a powder metallurgical method.

The invention relates to the technical field of plastic, and concretely discloses a method for preparing a pure product nylon 6 from nylon-6-containing waste material. The nylon 6 waste material comprises nylon 6 cloth material, nylon 6 rope material, nylon 6 plate material, nylon 6 rod material and all other product raw materials containing nylon 6. The method comprises the following steps: (1) crushing nylon 6 waste material to 1-2 cm; (2) adding a special-purpose catalyst and a solvent into an enclosed container, and stirring and dissolving under certain conditions; (3) filtering and separating solid in the solution after dissolving is finished; and (4) cooling and crystallizing nylon 6 in the solution at a certain temperature to form nylon 6 solid. The method is an effective method for preparing the pure product nylon 6 from nylon 6 waste material. The method is simple and reliable in technological process, and low in production cost. The quality of the prepared nylon 6 product reaches the quality of pure nylon 6 subjected to slicing and pelleting.

The invention relates to a device which consists of corona discharge and chemical absorption and is used for removing gaseous harmful substances containing fluorine, chlorine, sulfur or nitrogen and organic gas such as hydrocarbon, alcohol and aldehyde from airflow. The method comprises the following steps that: gas to be processed is firstly guided into a reactor which consists of a corona discharge reaction area and a gas-solid absorption reaction area, so under the effect of the corona discharge non-balance plasma body, while the harmful gas is oxidized and decomposed, acid product in the product can be absorbed by solid absorbent inside the reactor, so the gas can be purified. The absorbent after being saturated is conveyed along a transmission belt to an absorbent pulp tank which is arranged on the lower part of the device, and the absorption layer on the transmission belt is washed and is reloaded with fresh absorbent to be sent back to the reaction area.

The invention discloses a regeneration method of a MnOx / TiO2 based low-temperature denitration catalyst. The regeneration method includes the following steps that high-pressure air is used for purging a catalyst monomer, then the catalyst is impregnated in deionized water under the action of ultrasonic waves to remove impurities and soluble substances, drying is performed, and then the obtained catalyst is put in an activation solution for activation treatment and then is sequentially subjected to microwave drying, calcination in a muffle furnace and ultraviolet irradiation treatment to obtain the regenerated SCR denitration catalyst. By means of the regeneration method, the regeneration problem of the deactivated MnOx / TiO2 based low-temperature denitration catalyst is solved, the MnOx / TiO2 based low-temperature denitration catalyst is applicable to catalysts deactivated to different degrees, and the denitration activity of the obtained regenerated denitration catalyst can be up to 97%. The using amount of the activation solution can be saved. Mn-Ti catalyst sol prepared by adopting a sol-gel method enables active components to be supported firmly, and the denitration effect is improved. In addition, the activity and poisoning resistance capacity of the regenerated catalyst can be improved by adopting the ultraviolet radiation treatment.

The invention provides a renewable spent lye filter device and a using method thereof. The filter device comprises a shell mechanism, a filter element component and a screen filter, wherein the shell mechanism is provided with a filter chamber; the filter element component comprises a filter element; the screen filter is installed in a preset position of the filter chamber and faces the filter element at intervals, so that a first filtering area and a second filtering area are formed in the filter chamber; large-particle impurities are intercepted in the first filtering area by the screen filter; the filter element is arranged in the second filtering area; particulate impurities are filtered by the filter element. The filter device has the beneficial effects that the filter capacity and filter precision of the spent lye are effectively improved and the activity of the lye is restored through multistage filtration of the spent lye, thus achieving the aims of effectively purifying and recycling the spent lye in wash bottles.

The invention discloses a method for treating landfill leachate tail water through magnetic carbon catalyzed ozonation, which belongs to the technical field of treatment of environmental waste. The method comprises the following steps: (1) biological treatment of landfill leachate; (2) preparation of a magnetic carbon catalyst; (3) catalysis of ozone for oxidation treatment; etc. According to the invention, the magnetic carbon catalyst is added, and adsorption performance and catalytic characteristics of the catalyst are fully utilized; therefore, under the synergism of adsorption and catalyzed ozonation, effluent reaches national discharge standards that COD is no more than 100 mg / L and chroma is no more than 40 times, and through utilization of the magnetic characteristics of a magnetic carbon material, the problems of separation, recovery and reutilization of the catalyst are overcome. The method provided in the invention can be popularized and applied in in-depth treatment of household garbage leachate tail water in town regions.

The invention is the deeply purification method of one kind of running water and second supplying water, its step is: Carries on the magnetization to the running water softens, causes to treat the treated water supposes in its reactor box in vivo which includes the activated charcoal textile fiber and separates in the section which does back and forth flows when completes adsorption processing, finally through separates between the section alternate permutation ultraviolet lamp and pore aeration which causes the treated water back and forth in the mobile process and completes the adsorption archery target decomposes, finally completes a higher-level purification. This invention includes one kind of refining equipment, its characteristic is induction pipe and the wrap which set the magnetism link, the box body cavity establishes the stainless steel partition board and the thick hole stainless steel mesh which composes separate section, through the slot activity connection, the reactor box body sidewall as well as respectively separates between the section is loaded with the pore aeration head, between various pores aeration is loaded with ultraviolet lamp tube.