Patent ID: 11939506
Assignee: KING FAISAL UNIVERSITY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 7:
8. A method of reducing salinity of saline soil, comprising:
preparing a sawdust and corn stover-based biochar, comprising:
hydrothermally carbonizing equal proportions of corn stover and sawdust in a reactor at a temperature ranging from about 200° C. to about 325° C., at a pressure ranging from about 1 bar to about 3 bars, and for a period of time ranging from about 4 hours to about 7 hours to produce a hydrochar; and
drying the hydrochar to provide the sawdust and corn stover-based biochar contacting the sawdust and corn stover-based biochar with the saline soil; and
adsorbing salts in the soil with the sawdust and corn stover-based biochar.