57results about How to "Easy regeneration" patented technology

The invention supplies a new type adsorbent--mixed oxide of iron and manganese / diatomite preparation, use and regeneration method, belongs to the treatment of technology. The method used the soluble ferrous permanganate and salt as raw materials, respectively prepared the solutions, after adequate lye into permanganate solution, mixed two salt solutions, by adding diatomite particles, full oscillation, standing aging, neutralize, washing and drying to get the manganese oxide / silicon algae absorbent. The adsorbent is larger than the surface area and good adsorption properties can be used to remove arsenic in water pollutants (especially tervalence arsenic), and the adsorption surface activity of the saturated absorption of pollutants can be directly passed to load manganese oxide compound to regeneration.

The invention discloses a catalytic conversing method of increasing production propylene, which comprises the following steps: injecting preheat crude oil in the main elevating pipe of double-elevating reacting regenerating system; contacting with heat catalyst to proceed catalytic cracking reaction; separating production; recycling re-living agent; injecting liquid propylene in the auxiliary elevating pipe; proceeding olefin superposition; cracking and dehydrogenizing the superposition product; separating production; recycling the re-living agent. The catalyst is compound of two catalysts, which contains first cracking catalyst with Y-typed molecular sieve and second cracking catalyst agent with ZSM-5 molecular sieve, transition metal additive and phosphorus additive with the dried weight rate of first and second catalysts at 10-70:30-90.

The invention relates to a dividing wall rotary kiln device for flue gas dehydration. The dividing wall rotary kiln device comprises loading equipment, a charging bin, a conveyor, a rotary kiln, waste heat generating equipment and a spare unloading bin, wherein the rotary kiln is a dividing wall rotary kiln, and is composed of an outer ring and an inner ring which are coaxially mounted; a ring-shaped material channel is arranged between the inner ring and the outer ring; the ring-shaped material channel is provided with refractory material support; and a furnace hearth is arranged in the center of the inner ring. The furnace hearth is connected with the waste heat generating equipment by a kiln tail cover. The loading equipment is communicated with the ring-shaped material channel by the loading bin, the conveyor and a charging ring; the ring-shaped material channel is connected with the spare unloading bin by a discharge ring. A wet flue gas inlet is connected with a flue gas pipeline; a gas outlet is divided into two paths, one path is connected with a dry flue gas exhaustion system, and the other path is connected with a condenser; and connecting pipelines are provided with valves respectively. According to the dividing wall rotary kiln device, lime is used as a dryer, and the ring-shaped material channel of the dividing wall rotary kiln is used for drying and dehydrating the industrial flue gas, so that the flue gas diffusion capacity is improved in a facilitated mode, the acid rain and atmospheric contamination is reduced, and the dwelling and living environment of people is improved.

The invention discloses a covalent organic framework film material for removing triclosan in environmental water as well as a preparation method and application of same. In particular, terephthalaldehyde and 1,3,5-tri-(4-aminophenyl) benzene are used as bridging monomers, p-toluenesulfonic acid monohydrate is used as a catalyst, an acetonitrile-water solution and an ethyl acetate solution are usedas two-phase solvents, and the novel TAPB-TPA-COFs film is polymerized at room temperature through a liquid phase interface method. The prepared film material is prepared into a small solid-phase extraction column, an excellent adsorption effect on triclosan in environmental water is achieved, the maximum adsorption capacity can reach 12.21 mg/g, and the optimal removal rate of TCS can reach 99.72%. The TAPB-TPA-COFs membrane is relatively good in crystallinity, high in thermal stability and low in cost, has efficient adsorption performance on TCS, can be repeatedly utilized, and has a greatapplication prospect in the field of environmental pollutant enrichment and separation.

The invention discloses a drinking water deep purification method, which is economic, effective, simple and practical to prepare catalytic materials, catalyze ozonation pollutants with a catalyst and regenerate the catalytic materials. Permanganate, manganese salt, ferric salt, ferrous salt and the like are treated as raw materials, and ferric manganese compound oxide with good catalytic activity is loaded on a base body material through in situ reactions to be manufactured into a catalyst. The catalyst is applied to catalytic ozonation processes and can effectively improve removal effects of ozone on pollutants difficult to degrade in water. When the catalyst is inactivated or washed away, a simple in situ regeneration method can be used for leading active materials to be loaded and regenerated.

The invention relates to the technical field of isoalkane/olefin alkylation, particularly an isoalkane/olefin alkylation method and device. The alkylation method comprises the following steps: under the action of a catalyst, reacting isoalkane and olefin in a microreactor set at 40-200 DEG C under the reaction pressure of 1.5-4.5 MPa; separating the reaction product to respectively obtain the target reaction product, unreacted reactants and catalyst; and sending the unreacted reactants and catalyst into the microreactor again. The device provided by the invention implements continuous production, accelerates the alkylation reaction, greatly shortens the time, enhances the safety of the device and the selectivity of the reaction process, and prevents the side reaction from generation. The whole process does not generate any waste, thereby saving the cost and preventing pollution. Besides, the plurality of microreactors can be connected in parallel and implement control on simultaneous reaction, thereby saving the development cost on enlarging the reaction scale, and further saving the cost.

The invention provides a preparation method of sludge ceramsite used for medium and low concentration ammonia nitrogen wastewater treatment. The preparation method comprises the following steps: immersing fly ash in a 3-6% NaOH solution at 20-30DEG C for 3-4d, washing the immersed fly ash with deionized water, and drying the washed fly ash at 100-110DEG C; drying excess sludge and clay at 100-110DEG C; drying above three raw materials, crushing the dried three raw materials, and sieving the crushed three raw materials for later use; fully mixing, by mass, 30-60% of the preprocessed fly ash, 30-60% of the preprocessed excess sludge and 10% of the preprocessed clay to obtain a dry material; adding a proper amount of deionized water to the dry material, uniformly stirring to prepare a 1-3mm blank, placing the blank in a tray, and drying the tray in a 110DEG C oven until the surface of the blank has no water; putting the dried blank in a muffle furnace, heating the blank to 350-500DEG C, preheating the blank for 10-40min, heating the blank to 800-1100DEG C, sintering the blank for 10-25min, cooling the obtained product in the furnace to 180-200DEG C, and taking out the cooled product to obtain the sludge ceramsite. The sludge ceramsite prepared in the invention has the advantages of low price, economical property, high efficiency, environmental protection, and suitableness for treatment of medium and low concentration ammonia nitrogen wastewaters.

The invention relates to the field of condensed water fine processing, and discloses an ion exchange device and condensed water fine processing equipment. The ion exchange device comprises a pot body. A cavity of the pot body is provided with a water inlet and a water outlet. A positive resin layer drained water collection device and a negative resin layer drained water collection device are arranged in the cavity in the axial direction of the pot body in a separated mode and located between the water inlet and the water outlet. A negative resin layer is arranged in the negative resin layer drained water collection device, so that condensed water can penetrate through the positive resin layer drained water collection device and the negative resin layer drained water collection device after entering the cavity through the water inlet and then is drained from the water outlet. The ion exchange device has the effects that resin regeneration operation is easy, and a pipeline system is simplified.

The invention provides a dual-polarity battery stack. Liquid holes formed in same positions on a single pole plate and a bipolar plate form a tubular liquid injection passage, a liquid injection and sealing device is arranged in the liquid injection passage of the dual-polarity battery stack and comprises a cylinder, a liquid injection hole is formed in the cylinder, the cylinder is a movable cylinder capable of rotating or moving upwards and downwards, and connection or staggering of the liquid injection hole and an electrolyte runner of the dual-polarity battery is achieved by rotation or moving of the rotatable cylinder; or the cylinder is a fixed cylinder, the fixed cylinder is fixedly arranged in the liquid injection passage, a liquid injection hole of the fixed cylinder communicateswith the electrolyte runner of the dual-polarity electrode plate, a movable piece is arranged in the fixed cylinder, and opening or closing of the liquid injection hole is achieved by rotation or upward-downward moving of the movable piece in the fixed cylinder. By the liquid injection and sealing device, electrolyte injection can be effectively completed, and the problem of short circuit in the battery stack caused by an electrolyte passing through the liquid injection passage also can be effectively solved.

The invention relates to preparation of a zirconium-doped hydrotalcite-like adsorbent and application of the zirconium-doped hydrotalcite-like adsorbent in treatment of phosphorus-containing wastewater. According to the invention, the hydrotalcite-like material has a permanent positive charge laminate and a good anion exchange capability, and can generate a good adsorption effect on anions (such as phosphate radicals) in wastewater; and Zr < 4 + > has higher cationic charges, so that the electrostatic attraction between Zr < 4 + > and anionic adsorbate can be increased. Zr < 4 + > is introduced into the hydrotalcite-like laminate, so that the phosphorus-containing wastewater adsorbent which is large in adsorption capacity, easy to regenerate and recyclable can be constructed.

The invention discloses a regenerable compound ionic liquid desulfurizing agent and a preparation method and an application thereof. The regenerable compound ionic liquid desulfurizing agent is formed by mixing a desulfurization component and a diluting solvent, the desulfurization component is composed of, by mass, ionic liquid, an alcohol amine solution and an enhancer, and the mass fraction of the ionic liquid accounts for 25-40% of that of the desulfurization component; the alcohol amine solution accounts for 25-40% of the mass fraction of the desulfurization component, and the enhancer accounts for 20-50% of the mass fraction of the desulfurization component; the ionic liquid is at least two of 1-ethyl-3-methylimidazole trifluoromethanesulfonate, 1-ethyl-3-methylimidazole propionate, 1-ethyl-3-methylimidazole diamine nitrile, 1-ethyl-3-methylimidazole bis (trifluoromethanesulfonyl) imide, 1-ethyl-3-methylimidazole histidine, 1-ethyl-3-methylimidazole glycolate, and 1-methyl-3-sulfobutyl imidazole bisulfate. The desulfurizing agent has a good removal effect on organic sulfur such as carbonyl sulfide, carbon disulfide and mercaptan, the adsorbed organic sulfur is desorbed through heating after adsorption saturation, and the desulfurizing agent can be regenerated and reused for multiple times.

The invention relates to a method for clearing copper bonded on a starting sheet. The method for clearing the copper bonded on the starting sheet comprises the following steps that the starting sheetof which the copper is bonded on the surface is put into a ferric sulfate solution for soaking, the soaked starting sheet is put into clean water for cleaning after being taken out, and the starting sheet which is subjected to clearing of the bonded copper; and the ferric sulfate solution can be prepared by ferric sulfate, ferric hydroxide, ferrous sulfate or ferrous hydroxide and dilute sulfuricacid with the density of 200-250g/L. Compared with the prior art, the method for clearing the copper bonded on the starting sheet has the advantages that operation is simple, damage to the starting sheet is small, and the labor cost is saved.

The invention discloses a water vapor capturing device, which comprises a condensation cavity used for capturing water vapor. A gas inlet for inputting to-be-treated gas and a gas outlet for outputting treated gas are formed in a shell of the condensation cavity; a column-shaped condensation rod and a plurality of groups of water vapor capture sheets are arranged in the condensation cavity; the water vapor capture sheets are installed on the column-shaped condensation rod and are arranged in a multi-layer staggered mode, wherein gaps are formed between the water vapor capture pieces in each layer. Compared with an existing molecular sieve device, the condensation capture structure provides a larger water vapor contact area, and a large-volume molecular sieve device does not need to be built with a large amount of cost; and moreover, the water vapor is captured by adopting a condensation principle, so that the captured water vapor is converted into solids (such as ice crystals) througha condensation effect, the condensate can be molten only by heating operation in a regeneration process, electronic gas does not need to be consumed, and toxic by-products cannot be introduced or secondarily generated.

The invention discloses high-adsorbability resin which comprises the following raw material components in parts by weight: 1-15 parts of water, 15-30 parts of methacrylate, 5-15 parts of acrylate, 15-50 parts of acrylate and 10-30 parts of styrene. The high-adsorbability resin also comprises a pore-foaming agent and an initiator. The product is stable in polarity, easy to store and moderate in viscosity, has the advantages of being high in adsorption rate, high in adsorption capacity, good in mechanical strength, simple in regeneration mode and the like, and can effectively adsorb an organic poison solvent and solve the leakage problem of the organic poison solvent. The invention further discloses a preparation method of the high-adsorbability resin. The preparation method is simple to operate, safe in preparation process, free of by-products, high in repeatability and beneficial to large-scale preparation. The invention also discloses an application of the high-adsorbability resin inorganic poison adsorption. The product can be used for adsorption treatment of organic toxicants such as acetic acid short-chain ester, benzene compounds and chlorides.