Patent ID: 11931722
Assignee: HUNAN BRUNP EV RECYCLING CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  Y | IPC B

Claim 0:
1. A preparation method of a carbon dioxide capture agent, comprising the following steps of:
S1: mixing a graphite dispersion, an organic acid solution, a metal salt solution and a silica sol to obtain an organic-inorganic composite gel;
S2: subjecting the organic-inorganic composite gel to standing, aging and drying and then carbonizing the same by microwave in a mixed atmosphere of inert gas and sulfur dioxide to obtain an intermediate product; and
S3: subjecting the intermediate product to acid washing or alkali washing to obtain a defective carrier, then mixing the defective carrier with an amine substance for ultrasonic treatment and drying to obtain the carbon dioxide capture agent.