Composite catalyst for coal depolymerization and using method therefor

US11110440B2 · kind B2 · utility

Assignee

• TAIYUAN UNIVERSITY OF TECHNOLOGY · CN

Inventors

• Wei Huang · Taiyuan, CN
• Litong Liang · Shanxi, CN
• Qian Zhang · Shanghai, CN
• Jianwei Liu · Fremont, US
• Juntian Huai · Shanxi, CN
• Xiaogang Hao · Shanghai, CN
• Zhonglin Zhang · Dhahran, SA

Key dates

• Filing date: Aug 2, 2018
• Grant date: Sep 7, 2021
• Expiry date: Sep 18, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10G1/08
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A composite catalyst for coal depolymerization, the catalyst includes an agent A and an agent B. The agent A includes an iron salt-based catalyst, and the agent B includes a metal salt-based catalyst different from the iron salt-based catalyst. The agent A and the agent B are alternately added during use.