Patent ID: 11897833
Assignee: CAMERON INTERNATIONAL CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 9:
10. A method for removing organic acid salts in monoethylene glycol recovery, comprising:
detecting a physical property indicating buildup of organic salts in a pumparound stream of a glycol vaporization separator, wherein the physical property comprises a viscosity or a density;
comparing the physical property to a first threshold value indicating the organic salts in the pumparound stream need treatment;
withdrawing a purge stream from the pumparound stream if the physical property reaches the first threshold value;
reducing pH of the purge stream to form an acid stream;
distilling the acid stream to form an overhead stream and a bottoms stream; and
recycling the bottoms stream to the glycol vaporization separator.