Tag Archives: sulfuric

Stepped regeneration process of sulfuric acid after water desalting treatment

Application Number  00129467 Application Date  2000.12.29 Publication Number  1361069 Publication Date  2002.07.31 Priority Information     International Classification  C02F1/42   Applicant(s) Name  Qilu Petrochemical Co., China Petrochemical Group   Address     Inventor(s) Name  Xi Wenhong;Li Shengtai;Peng Sen   Patent Agency Code  37103 Patent Agent  geng xia AbstractThe present invention features that in the cationic… Read More »

Method for preparing sulfuric acid by incineration of refined benzene regeneration acid

Application Number: 00110673Application Date: 2000.07.18Publication Number: 1287968Publication Date: 2001.03.21Priority Information: International: C01B17/50;C01B17/76Applicant(s) Name: Benxi Iron & Steel (Group) Co., Ltd.Address: Inventor(s) Name: Cui Hongjiang;Liu Qingyou;Liu WenliPatent Agency Code: 21214Patent Agent: dong hongbeiAbstract The present invention relates to the recovery and utilization of waste acid produced during the washing of refined benzene. During the high temperature… Read More »

Ceramic bar beam for sulfuric acid absorption tower and preparation method

Application Number: 00112166Application Date: 2000.03.20Publication Number: 1268483Publication Date: 2000.10.04Priority Information: International: C01B17/76;C04B35/106;C04B35/622Applicant(s) Name: Yixing Non-Metallic Chemical Machinery Plant, Jiangsu Prov.Address: Inventor(s) Name: Feng Jiadi;Wang Baichuan;He WeipingPatent Agency Code: 32208Patent Agent: shi jianqunAbstract The present invention relates to ceramic bar beam used in sulfuric acid absorption tower, it is characterized by that 1-3% of BeO, 8-11%… Read More »

High-iron sulfuric acid sludge cement

Application Number: 00107675Application Date: 2000.05.23Publication Number: 1324778Publication Date: 2001.12.05Priority Information: International: C04B7/24;C04B24/00Applicant(s) Name: Youhe Panbao Science & Technology Development Co., Ltd., BeijingAddress: Inventor(s) Name: Wu YanxiongPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a sulfate superferric cement made up by utilizing the offscum produced in the production of sulfuric acid, and its… Read More »