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JP54062176 |
PURPOSE: To make ignition energy unnecessary and minimize the amt. of N2 used or reduce it to zero by introducing an O2-contg. gas current into a gas mixing portion the inlet and outlet of which for a hydrocarbon-contg. gas current is se...
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JP54046172 |
PURPOSE: To reduce NOx noncatalytically so as to make it harmless, by injecting alcohol or aldehyde in a mol ratio not less than specific ratio to NOx into NOx- contg. gas at a low temp. region in the presence of O2. CONSTITUTION: A redu...
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JP54046171 |
PURPOSE: To increase denitration efficiency by injecting NH3 and aq. H2O2 soln. of low concn. into NOx-contg. gas. CONSTITUTION: Into NOx-contg. gas is injected spray of NH3 and aq. H2O2 soln. of concn. not higher than 30wt%, pref. not h...
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JP54046170 |
PURPOSE: To decrease corrosion and blockade of an exhaust gas duct and to utilize NH3 effectively so as to decrease NOx, by injecting NH3 less than a specific quantity which is less than the mols of NOx contained in the exhaust gas. CONS...
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JP54038268 |
PURPOSE: To remove efficiently NOx contained in high-temp. exhaust gas which is difficult to be treated, by reduction of the exhaust gas contg. NOx in the presence of NH3, a precursor of NH3, or amines with O2 concn. and temp. of the exh...
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JP54031082 |
PURPOSE: To make NOx harmless with a high decompositoion efficiency, by injecting NH3 and H2 into waste gas through a number of injecting openings made on injection pipes which are arranged alternately along an equal-temp. plane crossing...
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JP54019479 |
PURPOSE: To provide a reactor easy to manufacture which enables chemical reaction to proceed under the respective optimal conditions through passage of a heating medium by means of heating medium circulating mechanism respectively provid...
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JP54009158 |
PURPOSE: To accomplish an effective, inexpensive denitration with a simple equipment by mixing a waste gas to be supplied to a regenerator with air containing a specified amount of ammonium.
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JP54008161 |
PURPOSE: To remove efficiently NOx, by performing the treatment while specifying the temperature of the gas to be treated and the mixed gas of ammonia and steam to be added, at the denitration of exhaust gas using ammonia.
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JP54005863 |
PURPOSE: To accomplish effective decrease of NOx by curtailing the injection of reducing agent through flowrate control of gaseous reducing agent injected according to the amount of residual NOx in the discharge passage when NOx is remov...
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JP54005864 |
PURPOSE: To provide an ozone deodoring apparatus which allows simultaneous treatment of preventing drop in the gas-solid contact reaction due to dew condensation in the reaction system by means of a dehumidifier of the intended gas provi...
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JP54005862 |
PURPOSE: To accomplish effective reduction of NOx with the reucing agent running against the gas stream by injecting the agent in the direction opposite to the gas stream or at any right angle to this direction in a catalyst-free reducti...
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JP54005867 |
PURPOSE: To provide the subject device wherein the humidity of a malodorous gas flowing into the device is detected, and on the basis of the detection result the humidity of the malodorous gas is controlled, thereby preventing dew format...
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JP54004870 |
PURPOSE: To remove the necessity for equipping particularly the device for mixing sufficiently the gaseous reducing agent and the exhaust gas, by feeding the gaseous reducingagent into the flue at the inlet of the blower positioned in fr...
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JP54002265 |
PURPOSE: To omit equipment for decomposing exhaust ozone, and simultaneously to lengthen the catalyst life and to use ozone effectively in deodorizing apparatus using catalyst and ozone at the same time, by feeding ozone into a mixing ta...
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JP54001269 |
PURPOSE: To reduce NOx and CO contained in combustion exhaust of HC compound gas easily with high efficiency at a low cost without catalyst through reduction of NOx contained therein within a given temperature range by mixing a part of u...
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JP53149166 |
PURPOSE: To remove efficiently nitrogen oxides with a non-catalyst process, by adding a substance generating ammonia to the exhaust gas from the burning and heating apparatus furnished with regenerators in the space at the downstream are...
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JP53147670 |
PURPOSE: To improve denitration efficiency while preventing attachment of NH4 NH4HSO4 to the generating surface by adding fine grains such as fly-ash and Fe Fe2O3 to a combustion waste gas in catalyst-free denitration of a combustion was...
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JP53146968 |
PURPOSE: To decompose NOx effectively at a lower temp. than that for conventional noncatalytic denitration, by addn. of NH3 into a boiler and by addn. of H2O2 to a zone at a temp. lower than that of the NH3 addn. zone.
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JP53144457 |
PURPOSE: To improve the denitration efficiency of combustion gas by a non-contact system through injection of hydrogen peroxide on the downstream from a plural points corresponding to the flow speed in response to the NOx concentration a...
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JP53137084 |
PURPOSE: To provide a reaction tube with uniform flow rate which causes uniform flow inside the reaction tube, by making a number of parallel grooves with wavelike cross section on the inner surface of an auxiliary pipe which is inserted...
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JP53124173 |
PURPOSE: To make apparatus simple and to make use of evaporation-resisting raw material easy by forming an expanded section at a part of a reaction pipe in which a chemical reaction of reacting gas is carried out, and by putting into the...
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JP53058487 |
PURPOSE: To improve the precision for controlling the concentration of each component and the reproducibility of the gas phase grown film, by equipping the gas concentratration analyzer and the pressure control valve in the passage for s...
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JP53050075 |
PURPOSE: To make accumulate and adhere the reaction product having a good uniformity of the film thickness and film property with a good reproducibility, by managing so that the reaction gas and the subject to be formed may not contact f...
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JP53050076 |
PURPOSE: To prevent the contact of the second time between the reaction gas and the subject to be formed and to obtain the clean reaction product with a good uniformity, by leading the reaction gas which has passed the subject to be form...
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JP53040690 |
PURPOSE: To utilize effectively the inner and outer surfaces of the solid catalysts and to decrease the filling weight and filling volume as a whole, by arranging each of the solid catalysts so that the corresponding circle diameter of e...
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JP53019181 |
PURPOSE: To decrease the scattering of the thick ness of trowth layer in vapor pahes and to prevent the contamination in the reaction tube, by making the horizontal reaction tube for the hrowth in vapor pohse to the dual structure, holdi...
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JP52123370 |
PURPOSE: To remove or decrease nitrogen monoxide efficiently by contacting exhaust gas containing nitrogen monoxide with a nitrogen-including organic compound.
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JP52120277 |
PURPOSE: To efficiently perform catalytic heat decomposition reaction and to regenerated the catalyst for repeated use by contacting material to be decomposed such as polymers or N-containing organic compounds with a catalyst made of met...
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JP52107640 |
PURPOSE: To generate continuously a working gas of controlled temperature and having a desired compsoition (CO, N2, etc.) at high pressure.
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JP52089582 |
PURPOSE: To provide a high frequency heating structure suitable for a gaseous phase reactor especially used in semiconductor industry by means of setting a wall consisting of specific inner wall, insulation layer and cooling means.
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JP52088573 |
PURPOSE: To remove chlorine in gas effectively, by adding hydrogen to the combustion gas, generated from the incineration of organic chloride, reacting under high temperature.
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JP52088259 |
PURPOSE: To efficiently remove NOx from combustion exhaust gas by adding small amounts of specific compounds thereto to noncatalytically effect a reaction at high temperatures without the use of metallic catalysts.
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JP52082671 |
PURPOSE: To convent most of the nitrogen contained in nitrogen compounds to harmless N2 by the thermal decomposition of these compounds in the presence of specific metals, alloys, and oxides of these metals.
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JP52075659 |
PURPOSE: To maintain the activity of reaction layers for a long time and to make efficient continuous operation possible by forming a vacant paths for a gas to be treated between reaction layers, the paths causing to increase contact eff...
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JP52075657 |
PURPOSE: To denitrate an exhaust gas containing smoke dust and NOx with a small pressure loss without placing a dust remover prior to the reactor by making the gas flow parallel to plural waved or zigzagging catalytic plates constructed ...
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JP52065764 |
PURPOSE: To remove NH3 from exhaust gas containing residual NH3 after removal of NOx by reduction with ammonia by means of reacting NH3 with H2 in the presence of O2 at a high temperature above 600°C.
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JP52052173 |
PURPOSE: In a vertical reactor equipped with walls which stand at equal distances vertically, the temperature of one of the walls in maintained higher than that of the other, H2S-cont. gas is pyrolyzed on the high temperature wall to dep...
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JP52042461 |
PURPOSE: Low concentration NO in exhaust gas, etc. is contracted with an oxygencont. organic compound in the presence of oxygen to oxidize NO to NO2 which is easy to be absorbed by water or alkaline aqueous solutions.
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JP52035163 |
PURPOSE: To remove effectively NOx in combustion waste gas from boiler etc. by using hydrazine.
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JP52033879 |
PURPOSE: Removing NOx contained in exhaust gases from factories or combustion equipments, by reducing at a comparatively low temperature and non-catalytically without generating secondary pollutions.
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JP52032871 |
PURPOSE: A mettod of instantly converting NOx in exhaust gas into N2 and N2O.
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JP52024156 |
PURPOSE: NOx reducing agent is continuously injected into the varying optimum temperature zone in combustion chamber.
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JP52023571 |
PURPOSE: In an apparatus for performing vapor phase reaction such as vapor phase growth on semiconductor substrates, frequencies of mounting and dismounting of quartz plate are reduced.
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JP52022565 |
PURPOSE: A reducing material feeding device which is protected from high temperatures without losing the functions for mixing and dispersing the materials and which can be effectively operated according to the changes in gas temperature ...
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JP51151859 |
PURPOSE: To provide a device for providing a constitutional body of fluid path so that the mixing of a fluid is performed effectively and also the fluid is touchable efficiently on the surface of the constitutional body.
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JP51145464 |
PURPOSE: In waste treatment of organic chlorinated materials such as vinyl chlorde, allyl chlorde and PCB, they are made completely non-polluting effectively using resources and energy and with inexpensive apparatus.
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JP51145504 |
PURPOSE: A reformer having improved gasification efficiency by mixing decomposition gas of hydrogen peroxide with raw material to be reformed, quickly and uniformly, prior to introducing them into a reaction chamber.
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JP51131813 |
PURPOSE: Process for producing methanol at low pressures from a gaseous mixt. of CO, CO2 and H2, characterized in circulating unreacted gases and using circulation and non-circulation reactors in combination.
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