1179 results about "Organic gases" patented technology

An organic thin film forming apparatus that can easily remove an organic thin film adhered to a surface of a deposition preventive plate. The apparatus forms an organic thin film on a substrate disposed on a surface of a substrate stage from an organic gas. An electroless nickel film containing fluorine resin is formed on the surface of a deposition preventive plate. The electroless nickel film containing fluorine resin has mold release characteristics for an organic thin film. Even if the organic thin film adheres, the organic thin film can be easily removed by a method (such as, high pressure cleaning).

The present invention is a method for manufacturing a negative electrode material for a secondary battery with a non-aqueous electrolyte comprising at least: coating a surface of powder with carbon at a coating amount of 1 to 40 mass % with respect to an amount of the powder by heat CVD treatment under an organic gas and/or vapor atmosphere at a temperature between 800° C. and 1300° C., the powder being composed of at least one of silicon oxide represented by a general formula of SiO_x (x=0.5 to 1.6) and a silicon-silicon oxide composite having a structure that silicon particles having a size of 50 nm or less are dispersed to silicon oxide in an atomic order and/or a crystallite state, the silicon-silicon oxide composite having a Si/O molar ratio of 1/0.5 to 1/1.6; blending lithium hydride and/or lithium aluminum hydride with the powder coated with carbon; and thereafter heating the powder coated with carbon at a temperature between 200° C. and 800° C. to be doped with lithium at a doping amount of 0.1 to 20 mass % with respect to an amount of the powder. As a result, there is provided a method for manufacturing a negative electrode material for a secondary battery with a non-aqueous electrolyte that enables a silicon oxide negative electrode material superior in first efficiency and cycle durability to conventional ones to be mass-produced (manufactured) readily and safely even in an industrial scale.

The present invention concerns a quantitative organic vapor-particle sampler which can efficiently sample both semi-volatile organic gases and particulate components through the use of a unique sorbent resin coating and process. The sampler of the present invention comprises in its broadest aspect a tubular device having an inlet at one end through which organic vapor/particles are introduced, an outlet at the other end through which gases exit, at least one annular denuder interposed there between which is coated on the inside surface of the annulus with a specially prepared resin absorbent, which selectively absorbs organic vapors contained in the gases introduced into the inlet, and a filter which traps and collects particles. The invention further concerns a semi-volatile organic reversible gas sorbent for use in an integrated diffusion vapor-particle sampler comprising macroreticular resin agglomerates of randomly packed microspheres with the continuous porous structure of particles ranging in size between 0.05-10 mum.

The invention relates to a method for recovering active carbon fibre organic waste gas by taking nitrogen as desorption medium, belonging to the field of environmental protection. The method for recovering active carbon fibre organic waste gas by taking nitrogen as desorption medium takes the active carbon fibre as a fixed bed adsorber of the adsorbent, adopts thermal nitrogen desorption and can recover and reuse the organic waste gas and nitrogen at the same time. The method of the invention adopts the thermal nitrogen adsorption, generates no secondary contaminant, realizes that the exhaust reaches the standard of the environmental protection, leads the adsorption layer to keep dry at the same time, improves the utilization ratio of the active carbon fibre and prolongs the service life of the active carbon fibre. As vapour is not used for desorption, the equipment has no corrosion problem, thus greatly reducing the manufacture cost of the equipment. The method of the invention has extremely good recovery effects on solvent with large water solubility and easy hydrolysis performance and organic waste gas with high boiling point, has low water content in the recovered products, high quality of the solvent and reduces the running cost.

A polyester container with enhanced gas barrier properties comprises a polyester composition having an IV of 0.65 dL/g to 1.0 dL/g and comprising a polyester and a reactive organic gas barrier enhancing additive. The polyester is made using at least one first polycondensation catalyst selected from the group consisting of metals in Groups 3, 4, 13, and 14 of the Periodic Table and comprises a catalyst residue remaining in the polyester from formation of the polyester. The catalyst residue comprises at least a portion of the at least one first polycondensation catalyst.

The selectivity of response of resistive gas sensors to specific gases or vapors is improved by the selection of specified gas-sensitive materials which are not previously known for the applications described, which include detection of hydrocarbons in the presence of CO, H2S, SO2, chlorine, NO2, CO2 (especially in low concentrations), CFC's, ammonia, free oxygen by determination of partial pressures, and numerous organic gases and vapors.

The present invention belongs to the field of photocatalyst material technology, and is especially use of bismuth oxyhalide. Bismuth oxyhalide as photocatalyst material is prepared through one solid phase or liquid phase process. It has the chemical composition of BiOX, where, X=Cl, Br or I; and laminated crystal confuration formed with [Bi2O2] and [X] structural layers stacked alternately in the C axis direction. Bismuth oxyhalide has excellent photocatalytic performance. It is used in degrading organic dye and harmful organic gas, killing bacteria and photolyzing water to produce hydrogen. Supporting nanometer Ag, Pt or other metal particle with powerful electron affinity can raise the photocatalytic performance greatly.

The invention belongs to the technical field of surface protective materials, and discloses an ultraviolet-cured stripping protective material and a preparation method and application thereof. The stripping protective material comprises the following components in parts by weight: 50-90% of polyurethane modified acrylic ester, 5-35% of acrylics reactive diluent, 1-8% of photoinitiator, 1-15% of filler, and 0-10% of additive. According to the ultraviolet-cured stripping protective material, the ultraviolet light is used for triggering a chained polymerization, the time for curing is short, generally 1-5 seconds, and the production efficiency is high; not any organic gas is released, so that the preparation method is more environment-friendly; the use and operation process is simple and convenient, the surface of the material is not affected due to overheating curing, mist is generated after stripping; the integral protective material can be better stripped, is not sticky, has no mist, and is applicable to protecting surfaces of ITO (indium tin oxide) glass, ITO membranes and PET (polyethylene terephthalate) membranes.

The invention discloses a spraying paint organic exhaust gas purification recovery disposal method and a device. The method has the steps as follows: (1) the dust and paint mist of the spraying paint organic exhaust gas are removed by filtration, and high boiling point organic solvent component with the boiling point more than 110 DEG C is condensed; (2) a high boiling point solvent absorption recoverer is used for recovering the high boiling point organic solvent; (3) residual organic exhaust gas is sent into an adsorption tank, the organic solvent component in the exhaust gas is adsorbed, and the exhaust gas is exhausted after being adsorbed by the adsorption tank; (4) by adopting a vapour desorption method, the organic solvent adsorbed by the adsorption tank is desorbed; (5) the desorbed solvent steam and vapour are condensed as liquid; (6) the condensed mixed liquid is separated by the oil and water separator, the separated organic solvent can be used again, and the separated wastewater can be disposed separately. Therefore, precious resources can be recovered, secondary pollution can be reduced, the recovered solvent can be used again, and the consumption of energy source can be reduced.

The present invention features that the waste organic gas recovering and treating apparatus includes also one rectifying and recovering system, which comprises rectifying tower between the outlet of analyzed gas and the condensator and solvent accepting trough between the rectifying tower and the condensator and is for recovering the organic solvent; and may includes also one analyzed gas by-pass cooling system and one gas distributing baffle. The method of recovering and treating waste organic gas may be alternate single stage adsorption-analysis-cooling and dehumidifying in two or three serially connected adsorbors, and through connection and arrangement of pipeline and valves, uninterrupted recovering and treating of waste organic gas is realized.

The invention provides a novel organic gas processing technique, which expends the application area of activated carbon fiber adsorbent. The technique uses hot nitrogen as desorption medium, and recovers the enriched desorption gas in a cooling or absorption manner, thereby realizing zero-release of pollution. The nitrogen is replaced before heating-desorption, and the safe running of a recovery device can be guaranteed by using temperature and oxygen content on-line monitoring system to control the switch of a nitrogen safety valve. By using the hot nitrogen as the desorption medium, the problems of secondary pollution, corrosion and high running cost etc. generated during water vapor desorption in the traditional technique can be overcome, thereby improving the efficiency, prolonging the serving life and expanding using range, so that the technique has good application and popularization value.

A method for fabricating a quantitative organic vapor-particle sampler for efficient sampling, detection and quantitation of semi-volatile organic gases, vapors and particulate components. The sampler comprises a diffusion chamber and at least one annular denuder of which surface is coated with a macroreticular resin agglomerates which selectively absorbs organic gases, vapors or particulate matter present in tested samples.

A process for treating the offensive smell in petrochemical sewage treating plant and cleaning the low-concentration waste organic gas features use of immobilized microbial membrane as filler and 1-3 stages of microbial treatment. It includes such steps as wet dusting for pre-treating, microbial treating and post-treating by absorbent.

A method of engineering a property of an interface using a gas cluster ion beam (GCIB) apparatus is disclosed. The method includes introducing a metal-organic compound with a carrier gas to form a metal-organic gas and mixing the metal-organic gas with a cluster gas used in the GCIB. The GCIB forms a plurality of gas cluster ions that include the metal-organic compound, focuses the gas cluster ions into a beam, and then accelerates the beam towards an interface surface of a target material where the gas cluster ions impact on the interface surface and at least a portion of the metal-organic compound remain in contact with the interface surface and modifies a property of the interface surface. The metal-organic gas can include a plurality of metal-organic compounds.

The invention provides a method for multistage adsorption and recovery of organic gases through active carbon fiber. All adsorbers can operate the organic gases in a series-parallel manner through series tubes arranged between every adjacent adsorbers to realize multistage adsorption of the organic gases, the highest adsorption grade can reach (N-1) grade (N is the quantity of the adsorbers contained in a system), and the opening or closure of the series tubes can be controlled to switch the adsorption grade between 1 and (N-1). After the adsorbers are saturated, saturated steam is used to desorb the adsorbers, desorbed steam is processed through a condenser and an oil-water separator, and an organic solvent is recovered. The desorbed adsorbers are dried and regenerated by air or an inert gas, then enter an adsorption process, and respectively work according to the above flow in a circulating manner, and the last stage adsorption in the adsorption process is desorption of the regenerated adsorbers. Compared with present multistage adsorption technologies, the method has the advantages of agile operation, low running cost, small device investment, high adsorption grade and obvious investment saving.

The invention discloses a method for low-temperature oxidative degradation of organic gas. The method comprises the steps that a nanotube limited-range active component catalyst is used as a catalyst, a reaction is carried out under the conditions that the temperature is 45-220 DEG C and the airspeed is 100-100000h<-1> for 0.5-1500h for a catalytic oxidation degradation reaction of organic gas, and the organic gas is oxidized into degradation reaction and water. According to the method, by means of the nanotube open-framework structure and micronanospace, the active component of the catalyst for treating organic gas is planted into the nanotube open-framework structure to prepare the nanotube limited-range active component catalyst with high activity and stability, the limited-range catalyst is used for oxidative degradation of organic gas and can rapidly oxidize the organic gas at a low temperature into carbon dioxide and water, the organic gas removal rate reaches up to 95% or more, the catalyst is high in activity and long in service life, and the problems that reaction temperature is high, catalyst activity and stability are low and the catalyst active component service life is short in the prior art are solved.

The organic waste gas purifying biological trickling filtration system and the fast pellicle preparing process are suitable for purifying low concentration waste gas with insoluble and non-degradable organic matter. The biological trickling filtration system consists of a biological trickling filtration reactor, a liquid circulating device, a waste gas input device, a purified gas circulating device, etc. The present invention adopts the ' inducer-target pollutant' double substrate specific degrading bacteria domesticating mode, and circulating gas-liquid sync domesticating and forced filming start mode to simplify the program of starting the biological trickling filtration system. The biological trickling filtration system has high organic pollutant eliminating capacity, stable technological performance and other advantages, and is suitable for industrial application.

The invention provides a simulation test device for recovering volatile organic gases. The simulation test device is controlled by a valve, and can form different process programs such as 'adsorption and absorption', 'adsorption and condensation', 'absorption and membrane', 'condensation and membrane', 'membrane and absorption', 'membrane and condensation', 'condensation and adsorption', pure condensation, pure absorption and the like. The simulation test device can be used for various simulation tests for recovering the volatile organic gases.

The invention discloses a resourceful treatment method for inorganic salts in industrial waste water. The method comprises the following steps: evaporating and concentrating waste water to obtain solid salts; carrying out thermal cracking on organic substances in the solid salts into organic gas; introducing the organic gas obtained by thermal cracking into a burning device for full burning, quickly cooling produced tail gas, and exhausting the cooled tail gas; further purifying the thermally-cracked solid salts via high-temperature carbonization to obtain high-purity solid salts, and introducing gas produced by carbonization into the burning device for full burning. According to the method, the flow is simple, the process is mature, industrial utilization is facilitated, and the methd can be applied to treatment of pesticides and even other industrial high-salt waste water. By adopting the method, the purity of the inorganic salts is increased, so that the inorganic salts can be reused. Secondary wastes which are difficult to treat are not produced in a production process, so that waste of resources is reduced, environmental pollution caused by the waste water is lowered, and very good economical and social benefits are achieved.

The present invention provides a whirl discharging non-thermal plasma organic gas purifying device, the device is composed of a AC high voltage source 4, a radial deflection terminal 8, an outside electrode 9, a field coil 11, gas circuit. The field and the tangential organic gas flow make the electrical discharge arc rotate in the high speed around the radial deflection terminal 8, and quickly push down to extinguish at the same time, meanwhile, the electric arc is ignited in the minimum distance between electrodes, and repeating the procedures, pulse-type whirl arc discharging 14 is formed, to generate a large scale whirl discharging non-thermal plasma containing active particles such as O, O2, O3, H, OH2, NO etc, UV and other element, organic feculence in the organic gas is degraded to micromolecule organic matter under the oxygenizement of active particles, even directly converted to carbon dioxide and water etc. When the down stream of the radial deflection terminal is set with a carrier 15 attached with TiO2, whirling discharging plasma to excite TiO2, forming TiO2 light-catalyzed reaction, organic feculence of undegradation by plasma is continuously oxidized and decomposed.

The invention relates to a method for adsorbing and recycling organic solvent from exhaust gas in printing industry and a device. An adsorber 1 and an adsorber 2 of the device are respectively connected with a cooler by a valve and a pipeline, which lead the exhaust gas in printing industry to enter the adsorbers; the adsorber 1 and the adsorber 2 are also respectively connected with a condenser 1 by the valve and the pipeline; the condenser 1 is connected with a decanter 1 which is connected with a storage vat 1; the storage vat 1 is respectively connected with an adsorber 3 and an extraction column by the valve and the pipeline; the extraction column is also respectively connected with the adsorber 3 and the decanter 1. The method consists of an adsorption process, a desorption process, a separation process and a water treatment process. The exhaust organic gas containing toluene, acetone and isopropyl alcohol can be adsorbed by an activated carbon adsorber; after the activated carbon adsorption is saturated, steam is assisted to carry out the desorption process, while the mixed liquid desorbed is carried out to separate oil from water in the decanter. The method and device has the advantages of simple process, convenient operation, low price, high efficiency of purification and recovery and so on.

The invention relates to a method for preparing a composite paper base material with functions of adsorbing and degrading organic matters, and an application of the composite paper base material. The material consists of 30 to 50 percent of metal oxide powder, 15 to 35 percent of absorbent powder, 0 to 25 percent of inorganic fiber, 10 to 30 percent of paper pulp and 0.5 to 5 percent of dual retention aid. When the material is prepared, the metal oxide powder, the absorbent powder, the inorganic fiber and the paper pulp are mixed into a suspension liquid with the concentration of between 2 to 8 percent, the suspension liquid is subjected to mediation for 5 to 30min, and added with the dual retention aid to dilute until the concentration is reduced down to 0.5 percent so as to prepare wet paper sheets; the paper sheets are subjected to pressing and drying to prepare the composite paper base material. The composite paper base material prepared is further processed into a paper component, and the paper component is placed in a low concentration volatile organic compound environment to realize continuous photocatalysis degradation. By utilizing the paper base material of the invention, the problems that the cost is high and the pulverization occurs due to the friction between granular materials when the zeolite is used as a carrier to prepare compound catalytic materials are resolved, and the paper base material can also adsorb low concentration volatile organic gases.

A high-activity deoxidant for the deep deoxidization of N2, H2, CO, CH4, C2H4, C3H6, etc is composed of active component (the low-valence oxide of Mn and Fe) and the carrier chosen from cement, gypsum, kaolinite, alumina, diatomite, etc. Its preparing process is also disclosed.