Patent ID: 11938445
Assignee: YALE UNIVERSITY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 5:
6. The method of claim 1, wherein at least one of the following applies:
(a) if the pH of the second influent aqueous solution is greater than about 7.0, at least one acidifying agent is added in a quantity sufficient to achieve a pH of less than about 7.0 in the second influent aqueous solution; and
(b) if the pH of the effluent aqueous solution is greater than about 7.0, at least one acidifying agent is added in a quantity sufficient to achieve a pH of less than about 7.0 in the effluent aqueous solution, and wherein the method is repeated beginning at step (b) by recirculation of the effluent aqueous solution.