摘要:
The invention relates to a method for the catalytic removal of sulphur dioxide from exhaust gases in two reactors, wherein an active carbon catalyst is applied to the first reactor. The method comprises: a) providing an exhaust gas having a water content of less than 1g H 2 O/Nm 3 and a SO 2 content of at least 5 ppm; b) supplying the exhaust gases to a first reactor; c) catalytic converting of the SO 2 to gaseous SO 3 in the first reactor by the active carbon catalyst, wherein the catalytic conversion occurs on the active carbon catalyst at a temperature of below 100°C; d) supplying the pre-cleaned exhaust gases from the first reactor to a second reactor; e) converting the SO 3 to H 2 SO 4 together with water in the second reactor.
摘要翻译:本发明涉及在两个反应器中从废气中催化除去二氧化硫的方法,其中将活性炭催化剂施加到第一反应器。 该方法包括:a)提供具有小于1g H 2 O / Nm 3的水含量和至少5ppm的SO 2含量的废气; b)将排气供应到第一反应器; c)通过活性炭催化剂将第一反应器中的SO 2催化转化成气态SO 3,其中催化转化在低于100℃的温度下在活性炭催化剂上发生; d)将来自第一反应器的预净化废气供应到第二反应器; e)在第二反应器中将SO 3与水一起转化成H 2 SO 4。
摘要:
The present invention relates to a process for the catalytic removal of carbon dioxide and NO x from exhaust gases in a reactor filled with activated carbon-based catalyst. The process comprises the following steps: a. saturation of the catalyst with water; b. saturation or partial saturation of the exhaust gases with water; c. introduction of the exhaust gases into the reactor; d. catalytic conversion of NO x to NO 2 - , and in parallel, catalytic conversion of CO 2 to carbon and O 2 on the same catalyst; e. washing out the active carbon-based catalyst with water and discharging of the carbon as a solid as well as NO 2 - dissolved in water or in the base.
摘要:
A process where a gas, containing SO2 and O2 is brought in contact with a mixture of from 95% vol. to 50% vol. of activated carbon catalyst and from 5% vol. to 50% vol. of an inert filler material, where the SO2 is converted to H2SO4 on the activated carbon catalyst and is then washed from the activated carbon catalyst to obtain a H2SO4 solution.
摘要:
A process for removal of heavy metals and/or dioxins from a fluid including heavy metals, where the fluid is brought in contact with a mixture including between 30% vol. and 60% vol. of an activated carbon catalyst impregnated with sulfur, between 30% vol. and 60% vol. of an activated carbon catalyst impregnated with iron and between 5% vol. and 40% vol. of a filler material, the total of these three ingredients being 100% vol, where the fluid is left in contact with the mixture, the heavy metals and/or dioxins are absorbed onto the mixture to obtain a fluid with a depleted level of heavy metals, which fluid is then evacuated from the mixture.
摘要:
The present invention relates to a method for the catalytic removal of sulphur dioxide and carbon dioxide from exhaust gases in a reactor charged with an activated carbon catalyst, wherein the method comprises the following steps: • saturation of the activated carbon with SO 2 , • saturation or partial saturation of the exhaust gases with water, • introduction of the exhaust gases into the reactor, • catalytic conversion of the SO 2 to H 2 SO 4 and in parallel thereto, the catalytic conversion in the presence of the same catalyst of CO 2 to C and O 2 and also to sulphur-carbon compounds. • Washing out the catalyst and discharging the H 2 SO 4 as liquid and the C as solid and/or bound to sulphur compounds.