Patent ID: 11884632
Assignee: ZHEJIANG HENGYI PETROCHEMICAL RESEARCH INSTITUTE CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 8:
9. The method of claim 8, wherein the metal source is at least one selected from the group consisting of a nitrate of the metal, a chloride of the metal, a sulfate of the metal, an acetate of the metal, and an ester metal compound; and/or
the conditions of the mist spray forming in step (a-4) comprise: the inlet temperature is within a range of 180-240° C., the outlet temperature is within a range of 80-120° C.; and/or
the ethanol in the crystallization mother liquor of step (a-3) is recovered to provide at least part of the ethanol of step (1) and/or at least part of the ethanol of the crystallization solvent of step (4).