PROCESS AND PLANT FOR PRODUCING SULFURIC ACID FROM

专利名称：PROCESS AND PLANT FOR PRODUCING

SULFURIC ACID FROM GASES RICH INSULFUR DIOXIDE

发明人：DAUM, Karl-Heinz,STORCH, Hannes,RIEDER,

Jan

申请号：EP05716570.6申请日：20050412公开号：EP1742869A2公开日：20070117

摘要：The present invention relates to a process and a plant for producing sulfuricacid, in which a starting gas containing sulfur dioxide at least partly reacts with molecularoxygen in at least one contact with at least one contact stage to form sulfur trioxide, andin which the sulfur-trioxide-containing gas produced is introduced into an absorber andconverted there to sulfuric acid. To achieve that only small gas volumes must be suppliedto the first contact stage, based on the amount of sulfur dioxide used, with at least thesame capacity of the plant and by using conventional catalysts, it is proposed inaccordance with the invention to supply to the first contact stage a contact gas with asulfur dioxide content of more than 16 vol-% and with a volumetric ratio of sulfur dioxideto oxygen of more than 2.67:1.

申请人：Outokumpu Technology Oyj

地址：Riihitontuntie 7 02200 Espoo FI

国籍：FI

代理机构：KEIL & SCHAAFHAUSEN Patentanwälte

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