The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2023
Filed:
May. 10, 2020
Nanjing Gekof Institute of Environmental Protection Technology & Equipment Co., Ltd., Jiangsu, CN;
Nanjing Tech University, Jiangsu, CN;
Jiangsu Deyitong Environmental Protection Technology Co., Ltd., Jiangsu, CN;
Nanjing Liuyan Environmental Protection Technology Co., Ltd., Jiangsu, CN;
Haitao Xu, Nanjing, CN;
Yanzhong Xu, Nanjing, CN;
Mingbo Li, Nanjing, CN;
Renyuan Chen, Nanjing, CN;
Dahua Liu, Nanjing, CN;
Zhenshan Wu, Nanjing, CN;
Jing Song, Nanjing, CN;
Meng Xu, Nanjing, CN;
NANJING GEKOF INSTITUTE OF ENVIRONMENTAL PROTECTION TECHNOLOGY & EQUIPMENT CO., LTD., Nanjing, CN;
NANJING TECH UNIVERSITY, Nanjing, CN;
JIANGSU DEYITONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD., Nanjing, CN;
NANJING LIYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD., Nanjing, CN;
Abstract
A system for resource recycling of sulfur dioxide includes a charcoal reduction furnace, a high temperature dust remover, a cooling separator A, a liquid sulfur tank, a cooling separator, a tail gas absorption tower, a gas stripping tower, a hypo reactor, a centrifuge, a mother liquor tank and a thickener. And a method for resource recycling of sulfur dioxide includes the following steps: (1) preparing elemental sulfur, (2) removing dust from a process gas containing gaseous sulfur, (3) separating elemental sulfur, (4) reabsorbing residual SOgas, (5) purifying sulfur powder, (6) preparing a slurry of cured hypo, (7) performing liquid-solid separation, and (8) preparing an absorption slurry. According to the method, SOgas is reduced into liquid sulfur and sulfur powder, and sodium thiosulfate is coproduced.