76 results about "Absorption saturation" patented technology

The invention discloses a regeneration method of an activated carbon absorbent. The activated carbon absorbent with absorption saturation is treated by adopting a steam regeneration method; at the time when the regeneration of the steam is stopped, circulative steam is formed between the entrance and the exist of an absorbing apparatus; a purified water spraying device is arranged on a steam circulating pipe; the circulative steam is cooled off after passing through the purified water spraying device; the circulative steam with lowered temperature is utilized for carrying out cooling processing to an activated carbon bed; and the cooled activated carbon absorbent can be further dried by feeding air. In the regeneration method of the activated carbon absorbent, the adoption of steam regeneration causes that comparatively thorough regeneration of absorption capacity can be carried out under higher temperature, thereby greatly reducing the steam or nitrogen needed by the existing temperature reduction method, greatly lowering operational cost and improving the economic performance of the activated carbon absorption technology.

The invention belongs to the technical field of mixed gas separation, in particular to a variable pressure absorption oxygen and nitrogen combined separation method and a pressure absorption oxygen and nitrogen combined separation device. The device comprises at least two absorption towers filled with absorbent, pipelines for supplying raw material gas to the absorption towers, pipelines for taking product gas from the absorption towers respectively, pipelines for gas component and energy recovery and exchange between the absorption towers and gas kinetic energy transmission from an absorption tower reaching absorption saturation to another absorption tower, and an oxygen and nitrogen product gas buffering tank, wherein an oxygen product gas is connected to the cleaning pipeline and control valve of the feeding end of each absorption tower, and the nitrogen gas product is connected to the cleaning pipe line and the control valve of the discharge end of each absorption tower. In the separation method provided by the invention, two high-purity products, namely oxygen and nitrogen, can be obtained at the same time through a single absorption and separation process, and the oxygen meets the requirements of aerially breathable oxygen. The device can be highly integrated, and the volume and weight of the device are in accordance with the development direction of aerospace on-board oxygen and nitrogen extraction and the requirements of on-board equipment.

The invention discloses a microorganism and porous material composite deodorant and the preparing method, wherein the microorganism is candida tropicalis CCW-Y3 bacterial strain and Saccharomyces cerevisiae with cellular material as the carrier, the mass ratio of microorganism and porous material carrier is 4-6:1000. The invention has the microorganism with high deodorant property on the porous material, which avoids the absorption saturation of the carrier by absorbing the bad smell molecule to the surface with the porous carrier with high deodorant property and disintegrating the bad smell molecule with the microorganism absorbed on the carrier, wherein the composite deodorant is arranged in the ventilating flat dish, and is hanged in the upper space of animal house, breeding house or faecal, the material of the dish is wood, iron or bamboo ware.

The present invention relates to an antifogging film formed on a transparent substrate. The antifogging film is characterized in that the film comprises a urethane resin having a water absorption percentage of 20-40 wt %, that the urethane resin is one derived from an acrylic polyol having an average molecular weight of 1000-4000 and a polyoxyalkylene-series polyol having an average molecular weight of 400-5000, that the film is used in an interior environment having a mechanism to forcibly remove water from the film after the water absorption saturation of the film, and that a water film is not formed upon showing antifogging property.

The invention discloses a preparation method of a quick absorption saturation gelation seaweed hemostatic dressing. The method includes the steps of: soaking, rinsing and drying on calcium fiber textile or non-woven products containing alginate, and the carrying out cutting, packaging and sterilizing to obtain the quick absorption saturation gelation hemostatic dressing. The invention also discloses the application of the quick absorption saturation gelation seaweed hemostatic dressing prepared by the above method. The invention is applicable to rapid absorption and removal of a large amount of surgical diffusate in surgical operation process, so as to realize the effects of rapid hemostasis and operation wound clean; the hemostatic dressing is used for burn, scald and other acute and chronic wounds, can cover the wound and prevent moisture loss in body fluids, provide a positive moist environment for wound healing, prevent the wound from effusion and erosion, isolate bacterial infection, and play the effects of stopping bleeding, relieving pain, promoting wound healing, and reducing scar.

The invention discloses a group distribution method of standby batteries, comprising the following steps: (1) determining a numerical value as the weight design value of monolithic polar plates, weighing the monolithic polar plates, and leaving the polar plates the weight of which is within the range of plus or minus 2.5% of the weight design value; (2) grouping the polar plates obtained in step (1), and sequencing the polar plates based on a big group, a middle group and a small group, wherein, the minimum value in each group differs by the same fixed value successively; (3) using three groups of the polar plates to carry out polar-group group distribution, wherein, auto-group distribution is carried out on the polar plates of the middle group, the polar plates of the big group and the small group perform mutual group distribution according to the ratio of 1:1, and a negative polar plate is selected from the middle group; and (4) after group distribution, ensuring the weight deviation of each polar group does not exceed 1%. After the batteries are prepared by the group distribution method of the invention, the proportion of a positive active material to a negative active material and the consistency of acid absorption saturation of a partition plate are high, the consistency of float charge voltage of the standby batteries can be improved by more than one time, and the float charge service life can be improved to more than 10 years.

The present invention relates to a ring-down spectrometry apparatus in absorption saturation condition, for measuring the concentration of a gas through a measurement of the spectrum of a molecular transition of said gas. The apparatus includes a laser source, an adjuster for varying the wavelength of said radiation emitted by said laser, and a resonant cavity. A photodetector is adapted to detect an electromagnetic radiation beam and is adapted to generate a decay signal. An electronic circuit receives the signal from the photodetector and is adapted to convert it to a processor. A processor is adapted to receive said decay signal from the photodetector and perform interpolation to obtain a concentration of said gas.

The invention relates to a device and system for preprocessing an on-line raman spectrometer as well as preprocessing method thereof. The method comprises the following steps: preprocessing a detected sample before detecting the sample of a PX (p-Xylene) device by using the raman spectrometer; and then absorbing and removing the impurities of the detected sample by using adsorption treatment reaction jars, wherein at least two adsorption treatment reaction jars are used for performing the absorption and blowing treatment in turn, so that the whole preprocessing process is free from being influenced by the absorption saturation degree of the adsorption treatment reaction jars and can be continuously performed. The method provided by the invention has the advantages of high recovery, low cost, less investment, no pollution, and the like. The processes of on-site sample collecting, cooling treatment, unsaturated hydrocarbon removing and counter sample treatment are taken into account. The device, system and method provided by the invention can be applied to different fields of petrifaction, metallurgy, mining electric power, steelmaking, and the like, and have the advantages of strong adaptability to user requirements, obvious effect and excellent stability.

The invention discloses a method for producing compound fertilizer by means of synchronous desulfurization and denitrition by humate, belonging to the field of environmental protection and fertilizer technique, which includes following procedures: aluminum oxide fiber is used and sintered into a porous support after an extrusion formation; the porous support is impregnated in catalyst solution; after being dried and roasted, the porous support is impregnated in humate solution; a porous catalysis support is placed in a flue gas desulfurization and denitrition tower, thus forming a sorption/absorption reaction layer; water mist is sprawled to a flue gas inlet section of the desulfurization and denitrition tower, thus humidifying the flue gas and realizing synchronous desulfurization and denitrition of the flue gas; product of the desulfurization and denitrition is organic compound fertilizer; after absorption saturation of the porous catalysis support, the reaction layer is sprayed and washed with water; the product of the desulfurization and denitrition is removed and cleaned thoroughly, then the porous catalysis support is sprinkled and soaked by the humate again to give regeneration to the reaction layer. Reclamation utilization and environmental protection are ensured by the invention at the same time; the invention has the outstanding advantages of high efficiency, low cost, low discharge, and product reclamation.

The present invention provides a purifying treating method of sour water storage tank discharging. The sour water storage tank discharging of the invention is purified via two purifying treatments, the first treatment employs segregating liquid or stripped purifying water of the segregating course rich in ammonia in the stripped process of the sour water as absorption liquid, the second treatment employs cooling absorption process, the cooling process employs liquid ammonia vaporization refrigeration in the sour water stripped process, ammonia after vaporization returns to the ammonia liquefying system in the stripped process, the absorption course employs at least two active carbon beds switching operation, employs steam regeneration after absorption saturation of active carbon, the active carbon absorption steam comes from a reboiler at the bottom in the course of stripped process. The invention organical combination the stripped process of the sour water and the purifying treatment process of the sour water storage tank discharging, not only removes the malodorous substance in the sour water storage tank discharging, but alos effectively recovers hydrocarbons. The process method has simple equipment, lower cost and has no potential safety hazard.

The invention discloses a structure and a method for treating sewage through coupling a multi-point water inlet biological membrane with a phosphorus absorption device. The method comprises the following steps: enabling sewage to simultaneously enter a primary anoxic area, a secondary anoxic area and a biological membrane area via a water inlet pipe, wherein the water inlet proportion is (3:1)-(1:1); subsequently, enabling the sewage to flow through all stages of anoxic areas and aerobic areas in a bending-flow form through a communicating pipe, performing front pretreatment on the sewage in the primary anoxic area, removing nitrogen by utilizing return sludge, entering the primary aerobic area to remove organic matters and ammonia nitrogen, mixing effluent water from the primary aerobic area and inflow water from the secondary anoxic area, further removing nitrogen in the primary aerobic area, further removing organic matters and ammonia nitrogen in the secondary aerobic area, enabling the treated sewage to enter a sedimentation tank, enabling effluent water from a liquid supernatant on the surface of the sedimentation tank to enter the phosphorus absorption device, discharging from the bottom after absorption, absorbing phosphorus and dissolved and suspended pollutants in the sewage through the phosphorus absorption device and cleaning through a backwashing pump after absorption saturation. The structure and the method disclosed by the invention are particularly suitable for the field of deep nitrogen and phosphorus removal of middle and small town domestic sewage and industrial wastewater.

An electroabsorption optical modulator used as a sampling element has two optical terminals and a power supply terminal, the two optical terminals are used to input and output light, and the power supply terminal imparts an electric field to an optical path connecting the two optical terminals. The electroabsorption optical modulator has a characteristic in which an absorption index is changed with respect to the light beam propagating through the optical path according to a level of the electric field. A monitoring (synchronization sampling) object optical signal is input into one of the two optical terminals of the electroabsorption optical modulator. A predetermined direct-current voltage exhibiting a high absorption index for the monitoring (synchronization sampling) object optical signal is imparted to the power supply terminal of the electroabsorption optical modulator. A sampling optical pulse is input into another of the two optical terminals of the electroabsorption optical modulator through a photocoupler. The absorption index for the monitoring (synchronization sampling) object optical signal is lowered by a mutual absorption saturation characteristic of the electroabsorption optical modulator, and synchronization sampling of the monitoring (synchronization sampling) object optical signal is performed to supply an optical signal from the other of the two optical terminals of the electroabsorption optical modulator through the photocoupler. The mutual absorption saturation characteristic is generated when the sampling optical pulse is input into the other of the two optical terminals.

The invention relates to a method for preparing a PM2.5 (particulate matter 2.5) and TVOC (total volatile organic compound) purification biological absorbent from plant waste materials. The method mainly solves the technical problems of easy absorption saturation, easy furniture corrosion and the like of the existing method for purifying room PM2.5 and TVOC. The method provided by the invention has the technical scheme that the method for preparing the PM2.5 and TVOC purification biological absorbent from the plant waste materials comprises the following concrete steps of (1) processing raw materials; (2) performing rinsing and drying; (3), performing alkali soaking and water bath; putting 1 to 3 weight parts of dried plant waste materials into 3 to 9 weight parts of NaOH solution with the concentration being 0.10 mol/L to 0.30 mol/L to be soaked for 30min to 90 min; then, putting the soaked plant waste materials into a 60 DEG C to 100 DEG C constant-temperature water bath pot to be subjected to water bath for 30 min to 60 min; (4) performing flushing; (5) performing drying; (6) performing crushing and sieving: crushing the dried plant waste materials by a crushing machine; sieving the materials by a sieve being 40 to 100 meshes; obtaining the biological absorbent.

The invention relates to biological bamboo charcoal, a preparation process of the biological bamboo charcoal and an application of the biological bamboo charcoal to the government of sewage containing phenol. The biological bamboo charcoal uses bamboo charcoal as a carrier, microbes are immobilized on the bamboo charcoal and comprise pseudomonas biological phase bacterium fluid. According to the preparation process of the biological bamboo charcoal, the bamboo charcoal is used as the carrier, and the domesticated microbes are treated through an oscillation absorption method and are immobilized on the bamboo charcoal, and the microbes the pseudomonas biological phase bacterium fluid. The bamboo charcoal as the biological carrier has the advantages that: (1) the bamboo charcoal has low price, is easy to obtain and realizes the environment-friendly effect; (2) the physical and chemical performance of the bamboo charcoal are stable, and the mechanical intensity and the durability are good; and (3) rich pores on the inner surface and the outer surface of the bamboo charcoal can provide growth and inhabitation places for the microbes. The biological bamboo charcoal has the following advantages in the water treatment application: (1) the biological bamboo charcoal can be repeatedly used, and the cost of the carrier is low; (2) the operation cost is low, and the reaction process is easy to control; and (3) the defect that the bamboo charcoal is easy and fast to reach the absorption saturation during the sewage purification is overcome.

The invention discloses a method for simulating and testing assembling pressures on AGM (absorptive glass met) separators for start-stop batteries. The method includes steps of (1), stacking a plurality of separators together, then clamping the separators by fixtures and applying pre-tightening force on the separators; (2), intermittently adding electrolyte into the separators until the separators are in electrolyte absorption saturation; (3), adding electrolyte into the saturated separators again, then testing separator clamping pressures of the fixtures. The separator clamping pressures of the fixtures are the assembling pressures on the AGM separators for the start-stop batteries. The method has the advantages that states of separators which are actually assembled in the batteries are simulated, pressure values can be accurately and efficiently tested after the electrolyte is added into the separators made of different materials and the separators are in saturation, the assembling pressures on the separators which are actually assembled in the batteries can be simulated, accordingly, design personnel can design reasonable pre-tightening force and select the AGM separators with excellent performance according to test results, and the service lives of the manufactured start-stop batteries can be prolonged.

The invention relates to intelligent type formaldehyde treatment equipment with continuous operation and high purification efficiency. The intelligent type formaldehyde treatment equipment comprises amain body, wherein a purifying chamber, an adjusting chamber, a connection pipe, an antenna, a PLC and a water tank are arranged in the main body; a transmission shaft, a bearing support, a speed changing mechanism, an adjusting mechanism and a plurality of fan blades are arranged in the adjusting chamber; an activated carbon filter screen, a pushing mechanism and a replacing chamber are arrangedin the purifying chamber; a replacing mechanism is arranged in the replacing chamber, and the replacing mechanism comprises a second motor, two lifting assemblies and two clamping assemblies. By means of the speed changing mechanism and the adjusting mechanism, the intelligent type formaldehyde treatment equipment with the continuous operation and the high purification efficiency can change air circulation speed; thus, the situation that the activated carbon filter screen cannot fully absorb formaldehyde as air circulation is quicker when the formaldehyde concentration is too high is prevented, and a purifying effect of the formaldehyde treatment equipment is improved; by means of the replacing mechanism and the pushing mechanism, the activated carbon filter screen can be automatically replaced; thus, secondary pollution caused by formaldehyde released by the activated carbon filter screen after absorption saturation is avoided, and a continuous purifying function is achieved.

The invention belongs to the technical field of sewage treatment and relates to a biofilter suitable for sewage treatment of water-network type village ditches. The biofilter is divided into ten cells along the length direction thereof by a baffle plate, coarse gravel is placed at the bottom layer of each cell, two layers are arranged on the coarse gravel, five filter material baskets are horizontally placed at each layer, the filter material baskets are filled with home-made nitrogen/phosphorus removal filter material, and plants are planted in the upper-layer filter material basket; the home-made ceramisite filter material is searched and developed through two steps (firing and modification); after the filter material reaches absorption saturation degree, the filter material can be taken out of the filter material baskets; and because of adsorbing nutrient elements such as nitrogen and phosphorus, the filter material is enhanced in fertility, can be agriculturally used as fertilizer or a soil conditioner for non-edible plant, thus achieving the purpose of resource utilization. The biofilter is simple in structure and low in investment, artificial aeration and filter material backwash are not carried out, oxygen is only charged in a natural manner, thus realizing the purposes of no power, no energy consumption and convenient management, and the biofilter is a novel process suitable for sewage treatment of water-network type village ditches in China.

The invention discloses a method for removing chlorpyrifos from a water body through adsorption of loess and clay minerals in a dry farmland. The method comprises the steps of firstly, putting a loess sample passing through a 1mm nylon screen into a triangular flask, and under the conditions of ultrasonic assistance and water bath heating at 80+/-5 DEG C in the whole process, removing loess carbonate and organic matters respectively by a NaAC-HAC buffer solution of which the pH value is 4.8 and 30% H2O2; then washing the products repeatedly for three times by purified water, and filtering and drying the mixture to obtain loess and clay minerals without carbonate and organic matters; thirdly, adsorbing the chlorpyrifos in the water body by the prepared loess and clay minerals which are taken as an adsorbent; and finally, after absorption saturation, performing desorption by purified water under the condition of ultrasonic assistant stirring, and inspecting the recycling potential of the loess and clay minerals. The method is low in cost, simple and convenient in operation, high in practicability, good in safety and easy to popularize, and has a relatively good application potential for removing pesticide pollutants in pesticide wastewater and surface runoff of farmlands.

The invention discloses a fuel evaporation control method of a car, and further discloses a fuel evaporation control system of the car and the car. The car comprises a motor (1), a carbon tank (2) and a fuel tank (3). The method comprises that the pressure of gasoline vapor in the fuel tank (3) is detected, and when the value of the pressure is larger than the upper limit value, the fuel tank (3) is communicated with the carbon tank (2), and the gasoline vapor can enter the carbon tank (2) from the fuel tank (3). The fuel evaporation control system can selectively control the communication between the fuel tank and the carbon tank according to working conditions of the motor, and therefore activated carbon in the carbon tank is prevented from reaching an absorption saturation condition, and the gasoline vapor is prevented from leaking from a ventilating hole of the carbon tank. Therefore, not only is fuel saved, but also environment pollution is reduced.

The invention relates to a method for preparing filtrate loss controller for drilling fluid by using styrene-acrylonitrile copolymer foamed plastic waste. The styrene-acrylonitrile copolymer foamed plastic waste is taken as raw material, and the adopted raw materials based on parts by weight in the preparation process comprise: 10 parts of styrene-acrylonitrile copolymer foamed plastic waste, 60-100 parts of concentrated sulfuric acid and 0-40 parts of organic solvent. According to the mixture ratio, the raw materials are evenly mixed together and stirred for 2-7h at 70-100 DEG C, and the products are separated and purified, so that dark brown powder product can be obtained. The product has high water absorptivity and takes on amber gelatinous shape after absorbing water; the product is not dissolved in the water when in water absorption saturation, and is proved to have the properties of filtrate loss reduction, salt resistance and temperature resistance by cement slurry filtrate loss controlling test, thus being taken as the filtrate loss controller for the drilling fluid; furthermore, the product has low cost, simple production technique and excellent performance, and has certain competitive advantage compared with the similar products of the market.

The invention discloses a carbon dioxide gas absorbing and trapping medium. The carbon dioxide gas absorbing and trapping medium is characterized by being functional ionic liquid which consists of anions and cations at a molar ratio of 1:1, wherein the cations and the anions are shown as chemical formulae. The ionic liquid without obviously saturated vapor pressure can be regenerated for use through absorption saturation and simple heating, so that the problem of secondary pollution caused by the adoption of a conventional absorbent is solved.

A sampling optical pulse generation unit emits a sampling optical pulse. The sampling optical pulse has a period different from a predetermined offset time to integral multiplication of a clock period of a data signal, and the data signal modulates an optical signal of a monitoring target. An optical sampling unit performs sampling of the optical signal of the monitoring target using an electroabsorption optical modulator. The electroabsorption optical modulator has a characteristic in which an absorption index is changed with respect to light propagating through an optical path according to a level of an electric field. The optical signal of the monitoring target is input into one of two optical terminals of the electroabsorption optical modulator. The sampling optical pulse is input into another of the two optical terminals through a photocoupler. The absorption index with respect to the optical signal of the monitoring target is lowered by generating a mutual absorption saturation characteristic of the electroabsorption optical modulator when the sampling optical pulse is supplied, and the sampling of the optical signal of the monitoring target is performed to output an optical pulse signal from the other of the two optical terminals through the photocoupler.

The invention relates to a radish red deodorizing technology without odor return, in particular to a substance for removing foreign odor of radish red by adopting a method of combining double-water-phase extraction and resin absorption, which belongs to the technical field of food additives. The invention is characterized in that the radish red deodorizing technology comprises the following stepsthat: red radishes are cut into threads, the threads are soaked by acid water solution to extract the radish red, crude extracts of the radish red are obtained, the extracts are filtered, then, the pH value is regulated, absorption purification is carryied out on the radish red through primary resin absorption columns, acid ethanol water solution is used for elution after the absorption saturation, a certain amount of solid ammonium sulphate is added into eluate, the materials are stirred for dissolution and sufficient mixing, double water phases are formed, the foreign odor substances are existed in the lower phase and the radish red is existed in the upper phase, ammonium sulphate is recovered in the lower phase through concentration crystals to be repeatedly used, the radish red is absorbed through secondary resin absorption columns, a small amount of residue ammonium sulphate is removed, the ethanol water solution containing citric acid is used for elution after the absorption saturation, pressure reduction concentration is carried out on eluate, and spray drying is carried out on the concentrated liquid to obtain high-purity radish red products without odor return.