Working liquid exhausting and recovering system

Application Number: 00113559
Application Date: 2000.07.22
Publication Number: 1335255
Publication Date: 2002.02.13
Priority Information:
International: C01B15/023
Applicant(s) Name: Baling Branch, China Petrochemical Corp.
Address:
Inventor(s) Name: Hu Xingfu;Zhao Huailiang
Patent Agency Code: 43103
Patent Agent: zhou shengmeng
Abstract The present invention discloses one working liquid exhausting and recovering system for anthraquinone method hydrogen peroxide process. The system features that the exhausting pipelines of effluent containing hydrogen peroxide are led concentratively to one small concentrative container while the other exhausting pipelines are led to one other recovery container. The working liquid from the small concentrative container is first pure water washed to eliminate its hydrogen peroxide before being fed to the recovery container for further treatment along with the other exhausted working liquid for recovery. The present invention can avoid accident while reducing pollution.