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12results about How to "Good deacidification effect" patented technology

Deacidification treatment process for flue gas containing high fluorine and chlorine

The invention relates to a deacidification treatment process for flue gas containing high fluorine and chlorine, and belongs to the technical field of flue gas treatment. According to the process, the flue gas is treated by adopting dry deacidification, and a novel deacidification agent is prepared aiming at the characteristic that the flue gas contains a large amount of halogen and fluorine ions. Natural zeolite is subjected to modification treatment by adopting a sodium hydroxide solution, the activity of the zeolite is enhanced by roasting in a muffle furnace, and the zeolite and lime are well combined, so that efficient defluorination is realized. In addition, the particle size of the baking soda is refined through a grinding method, the specific surface area of the baking soda is remarkably increased, the contact area and the reaction rate with acid smoke are increased, a proper amount of polyethylene glycol is added, moisture on the surfaces of baking soda particles is adsorbed and fixed through the hygroscopicity and the film-forming property of the polyethylene glycol, agglomeration and hardening are prevented, and meanwhile protective films are formed on the surfaces of the baking soda particles. The stability and the dispersity are enhanced. The zeolite loaded with lime is combined with modified baking soda to synergistically remove halogen and fluorine ions in the acidic flue gas, so that efficient defluorination and dehalogenation are realized.
Owner:SHANGHAI BOSHIGAO ENVIRONMENTAL TECH CO LTD

Deacidification system and method for solid waste treatment for realizing continuous production

The invention discloses a deacidification system and method for solid waste disposal for realizing continuous production, an outlet of a bucket elevator is communicated with an inlet of a reaction tank through a weighing feeder, an outlet of a water tank is communicated with the inlet of the reaction tank through a water supply pump in sequence, an outlet of the reaction tank is divided into two paths, wherein one path is communicated with the inlet of the storage tank through a fourth electric ball valve, and the other path is communicated with the inlet of the reaction tank through a third electric ball valve; an outlet of the storage tank is divided into two paths, one path is communicated with an inlet of the storage tank through a second pressure measuring device, a second check valve and a sixth electric ball valve, the other path is communicated with the atomization device through a seventh electric ball valve, and the system and the method have the advantages of being simple in process, good in flexibility, even and stable in deacidification agent, high in utilization rate and low in cost.
Owner:HUANENG HUNAN YUEYANG POWER GENERATION CO LTD +1

Device for treating tail gas of acidic gas of CVD (Chemical Vapor Deposition) sintering furnace

The utility model belongs to the technical field of environmental protection, and particularly discloses a CVD sintering furnace acid gas tail gas treatment device which comprises a pipeline connected with the exhaust end of a sintering furnace, and a first filtering assembly, a cleaning assembly and a second filtering assembly are sequentially arranged in the length direction of the pipeline. The cleaning assembly comprises an oil washing part and a water washing part; the oil washing part comprises a mixing chamber and a separation chamber, the mixing chamber is used for mixing gas and oil, and the separation chamber is used for separating the gas and the oil; the washing part comprises a spray tower which is communicated with the pipeline; the spray tower is provided with a spray head; the spray header is used for spraying alkali liquor into the spray tower; the spray tower is provided with a pH sensor which is used for detecting the pH value of the alkali liquor. According to the utility model, particle filtration and multi-stage purification are realized, the safety of the device can be effectively improved, and the problems of easiness in corrosion, low protection effect and low treatment efficiency of equipment in the prior art are solved.
Owner:SHENZHEN BAUHINIA FUTURE TECHNOLOGY CO LTD

Refining method for reducing and controlling plasticizer and 3-chloropropanol ester in camellia oil

The invention relates to a refining method for reducing and controlling a plasticizer and 3-chloropropanol ester in camellia oil, and aims to effectively control the plasticizer, the 3-chloropropanol ester and glycidyl ester in the camellia oil and maintain nutritional ingredients and natural flavor of the camellia oil. The method comprises the steps of acidification degumming, alkali refining deacidification, water washing, decoloration, dual-temperature deodorization, low-temperature adsorption and the like, and particularly, the vacuum degree and the temperature are finely adjusted in the deodorization process, so that control over a plasticizer, 3-chloropropanol ester and glycidyl ester is effectively considered.
Owner:HANGZHOU CHOISUN BIO TECH CO LTD

Structure of book deacidification treatment chamber

ActiveCN222525057UGood deacidification effectImprove deacidification efficiencyOld paper after-treatmentCouplingElectric machinery
The utility model provides a structure of a book deacidification treatment chamber. The structure comprises a frame body, a base, a bottom plate, a motor, a coupler, a lead screw, a lead screw nut, a workbench, a sliding block, a guide rail, a bearing seat, a positioning block, a guide block, a clamping plate, a positioning bearing, a knob, a book, a spraying device and a deacidification agent container, the base is mounted on the inner wall of the bottom of the frame body, and the base is fixedly connected with the frame body through bolts; the bottom plate is mounted on the inner wall of one side of the base, and the bottom plate is fixedly connected with the base through bolts; the motor is fixedly mounted at the top end of the bottom plate through a motor seat; the coupling is fixedly mounted at the end part of the motor; the lead screw is fixedly installed on one side of the coupler. By improving the structure of the book deacidification treatment chamber, the book deacidification treatment chamber has the advantages of being reasonable in structural design, good in deacidification effect, high in deacidification efficiency and capable of clamping and deacidifying books of different thicknesses, and therefore the problems and defects of an existing device are effectively solved.
Owner:BEIJING GUOTU INNOVATION CULTURAL RELICS PROTECTION TECH CO LTD

A kind of covalent organic framework film of staggered stacking and its preparation method and application

PendingCN122273333AApplies to selective transmissionHighly selective ion screeningRadioactive wasteMesitylene
This invention relates to a staggered covalent organic framework thin film, its preparation method, and its application, belonging to the field of thin film technology. The invention first dissolves an amine monomer in acetic acid solution to obtain an aqueous solution; then dissolves an aldehyde monomer in mesitylene to obtain an organic solution; finally, the aqueous and organic solutions are added to the aqueous and organic phase chambers of a diffusion cell, respectively, for interfacial polymerization. After the reaction, the membrane material is removed, washed, and dried to obtain the staggered covalent organic framework thin film. This film forms a staggered stacked structure and constructs sub-nanometer transport channels with pore sizes of approximately 0.5 nm to 0.7 nm. Through a synergistic mechanism of Donnan repulsion and hydrogen bonding interactions, it maintains structural stability under extreme environments of high acidity, strong corrosion, and high radiation, achieving highly efficient selective permeation of protons and efficient retention of metal ions in high-level radioactive waste liquids.
Owner:SUZHOU UNIV

Book deacidification device and book deacidification method

The invention discloses a book deacidification device and a book deacidification method. The book deacidification device comprises a box body, a liquid discharging assembly and a swinging assembly. The box body comprises an inner cavity and a containing frame located in the inner cavity, and the box body provides a reaction place for book deacidification. The containing frame is used for containing books, the inner cavity is used for containing treating fluid for book deacidification, the containing frame comprises a through hole formed in a penetrating mode, and the treating fluid can better circulate between the inner cavity and the containing frame through the through hole. The liquid discharging assembly is used for controlling discharging of the treating fluid and comprises a liquid inlet pipeline and a liquid outlet pipeline which are communicated with the inner cavity, the liquid inlet pipeline is used for discharging the treating fluid into the inner cavity, and the liquid outlet pipeline is used for discharging the treating fluid out of the inner cavity. The swing assembly is connected to the containing frame and used for driving the containing frame to swing, so that the books swing in the treating fluid, the contact area between the treating fluid and the books can be increased through swing movement, the pages of the books make contact with the treating fluid as many as possible, the problem of insufficient soaking is solved, and the deacidification effect is further improved.
Owner:BEIJING GUOTU INNOVATION CULTURAL RELICS PROTECTION TECH CO LTD

A continuous nano powder deacidification device

The present invention relates to the field of deacidification technology, and in particular to a continuous nano powder deacidification device. The present invention provides a continuous nano powder deacidification device, which includes from left to right: a gas inlet 1, a blower 2, a heater 3, a venturi conveyor 4, a nozzle 5 and a cyclone deacidifier 6; the gas inlet 1, the blower 2, the heater 3, the venturi conveyor 4 and the nozzle 5 are all connected by pipelines; the nozzle 5 and the cyclone deacidifier 6 are in abutment connection. Mixing and feeding through the venturi conveyor ensures that the powder is fully mixed with the high-temperature gas, which solves the problem of uneven heating due to the heat insulation effect of the powder; secondly, through the cyclone deacidifier, it is ensured that the material and the high-temperature gas have sufficient residence time after entering the deacidifier, which greatly reduces the volume of the deacidification equipment and realizes the continuous feeding and discharging mode, thereby realizing the continuous production of nano powder deacidification.
Owner:NANTONG JIANGSHAN AGROCHEMICAL & CHEMICALS CO LTD

Method for removing acid from flue gas of waste incineration power plant based on caustic soda white mud

ActiveCN117695834BTo achieve the purpose of deacidificationHigh specific surface areaFlue gasSlurry
This invention relates to a method for deacidification of flue gas from waste incineration power plants based on alkali-based white mud. The method involves mixing alkali-based white mud and wet deacidification waste liquid to form a slurry, which is then sieved to remove large particles, yielding a deacidification agent slurry. The alkali-based white mud in the slurry has a solid content of 15-25%. The alkali-based white mud has a pH of 10-12 and, by mass percentage (dry basis), comprises 70-90% CaO, 5-20% MgO, 1-3% SiO2, and 1-5% Al2O3. The deacidifying agent slurry is prepared by adding 0.5-1% Fe2O3, 0.3-2% Na2O, 0.5-3% chloride, and 0.5-5% SO3 to a spray drying tower in a semi-dry flue gas deacidification system. After atomization, it is sprayed into the flue to react with acidic gases in the flue gas of the waste incineration power plant to remove HCl and SO2. This method can achieve a HCl removal rate of up to 90% and a SO2 removal rate of up to 80%. It is a low-cost and effective method of "treating waste with waste".
Owner:GUANGZHOU HUANTOU DESIGN & RES INST CO LTD +2

A device for recycling soybean oil production wastewater

ActiveCN224279907UTo achieve the purpose of deacidificationGood deacidification effectWater/sewage treatment by heatingWater/sewage treatment by neutralisationAlkaline waterProcess engineering
This utility model relates to the technical field of wastewater treatment devices, specifically to a recovery device for soybean oil production wastewater. It includes a support frame and a recovery assembly. The recovery assembly includes an oil storage component, an upper cylinder, an insulating heat-conducting cylinder, a heating wire, an inlet pipe, a feed pipe, a drain pipe, a clean water pipe, a filter screen, and a stirring component. Soybean oil wastewater is added to the insulating heat-conducting cylinder through the inlet pipe, and an alkaline aqueous solution is added to the insulating heat-conducting cylinder through the feed pipe. The soybean oil wastewater and the alkaline aqueous solution undergo a neutralization reaction above the filter screen. The stirring component mixes the soybean oil wastewater and the alkaline aqueous solution, ensuring complete reaction and achieving the purpose of deacidification of the soybean oil wastewater. This utility model improves the deacidification effect of soybean oil wastewater by using a stirring component to mix the soybean oil wastewater and the alkaline aqueous solution, ensuring complete reaction.
Owner:SHENYANG YUANXIANG BIOLOGICAL ENG CO LTD

Online continuous monitoring method and device for pH value of blast furnace gas condensate water

The invention relates to an on-line continuous monitoring method and device for the pH value of blast furnace gas condensate water, the device comprises a condensate water collecting device, an on-line monitoring device and a condensate water discharging device, all parts of the device are specifically arranged, and setting of specific parameters in the monitoring method is matched to monitor the pH value of the blast furnace gas condensate water. Particularly, an interlocking setting mode and a pH monitoring component are set in detail, so that the device and the monitoring method can be used for quickly and efficiently monitoring the pH value of the blast furnace gas in real time, and the safety, timeliness and accuracy of the monitoring process are ensured.
Owner:BEIJING BEIKE ENVIRONMENTAL ENG CO LTD

Furnace deacidification device of circulating fluidized bed

The utility model discloses an in-furnace deacidification device of a circulating fluidized bed, which relates to the technical field of circulating fluidized bed deacidification, and comprises a bottom plate, a fluidized bed main body and a deacidification tank body, a breather pipe is arranged at the upper position of the left side of the fluidized bed main body, and a first air pump is arranged in the breather pipe; the fluidized bed main body is communicated with the interior of the deacidification tank body through a breather pipe, a mounting plate is fixedly connected to the upper position of the inner side wall of the deacidification tank body, and the breather pipe penetrates through the upper surface of the mounting plate. According to the scheme, acid gas in the fluidized bed main body is pumped out through the first air pump and brought into the deacidification tank body, then an absorbent in the material storage box is brought into the spraying disc through the water pump and the anti-corrosion hose, then the atomization spray head is opened, and the absorbent is sprayed into the deacidification tank body; meanwhile, the spraying disc is driven to move up and down through the motor, the rotating shaft, the spiral sliding groove and the sliding block, so that the absorbent is in full contact with the acid gas, and the deacidification effect is improved.
Owner:ZHEJIANG BEST ENERGY & ENVIRONMENT CO LTD