Original document(9 pages)  中文版
    A process for preparing high-concentration fuming sulfuric from ordinary fuming sulfuric acid by afterheat distilling method includes such steps as using the afterheat of converting gas in sulfuric acid system to distill the ordinary fuming sulfuric acid in tube-shell evaporator to obtain gas-state SO3, cooling in condenser to become liquid-state SO3, and mixing with ordinary fuming sulfuric acid.
Application Number
申请号		 200510024270 Application Date
申请日		 2005.03.09
Title 名称 Preparation of high concentration fuming sulfuric acid using residual heat distillation method
Publication Number
公开号		 1830760 Publication Date
公开日		 2006.09.13
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C01B17/69,C01B17/88
Applicant(s) Name
申请人		 Shangliu Chemical Co., Ltd. Shanghai Huayi Group
Address 地址 200431
Inventor(s) Name 发明人 Chen Fuzhou
Attorney & Agent 代理人 ying yunbeng chen zhongan

  
Method of producing zinc phosphate using phosphorus fertilizer
Method of continuously preparing potassium dihydrogen phosphate
Preparation of nanometer apatite by dialysis method
Rare earth doped carbon clad type nanometer anode material iron lithium phosphate and its preparation method
Preparation method of carbon clocd ferrolithium phosphate of lithium ion battery anode material
Carbon nanotube structure and method of manufacturing the same, field emission device and method of manufacturing the same
Method of synthesizing nanometer carbon pipe by cracking polymer
Aminatel single wall nanometer carbon pipe and its preparation method
Preparation method of high superficial area porous carbon material
Burner for synthesizing nanometer carbon pipe by V type and conical type pyrolytic flame and its synthesizing method
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.