WASTE GAS RECOVERY, TREATMENT AND CONVERSION SYSTEM APPARATUS

WIPO Patent Application WO/2018/191906

A1

A waste gas recovery, treatment and conversion system apparatus, comprising: a waste gas canister (1), an incinerator (2), an R-200 reactor (3), a cooler (5), an R-500 reactor (6), a sulfuric acid storage canister (7), a C-300 condenser (9), a combustion chamber (16), and a water drainage tank (20). The incinerator (2) is provided at one side of the waste gas canister (1). The R-200 reactor (3) is provided at one side of the incinerator (2). A duct (10) is provided at one end of the R-200 reactor (3). The C-300 condenser (9) is provided at one side of the R-200 reactor (3). The cooler (5) is provided at one side of the C-300 condenser (9). A C-300 condenser fan (4) is provided at a bottom portion of the C-300 condenser (9). The R-500 reactor (6) is provided at one side of the cooler (5). Waste gas containing H2S is first treated under a high temperature and is oxidized with oxygen to form SO2 gas and water. The SO2 gas is then further oxidized in the presence of a catalyst, such as platinum, to form SO3 gas. The reaction is easy and highly efficient, preventing the issue of producing various sulfur-containing by-products. The SO3 gas binds to water vapor and is condensed into sulfuric acid during a cooling process. In addition, a part of tail gas that is condensed can be further catalyzed into H2SO4, preventing the issue of environmental pollution caused by the residual tail gas.

NIE TINGSEN (CN)
NIE TINGJIANG (CN)

PCT/CN2017/081213

October 25, 2018

April 20, 2017

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JIANGSU SHENJIANG ENVIRONMENT TECH CO LTD (CN)

C01B17/04; C01B17/80; F23G7/06

CN203359988U	2013-12-25
CN106524185A	2017-03-22
CN102910593A	2013-02-06
CN103822217A	2014-05-28
US20120321548A1	2012-12-20

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