Patent ID: 11970411
Assignee: GARRATT-CALLAHAN COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 0:
1. A method to reclaim water from a waste water with dissolved solids comprising the following steps:
Adding at least one precipitating agent to the waste water to produce precipitated solids;
and removing the precipitated solids from the waste water using a hollow fiber membrane to remove the precipitated solids,
wherein the step of:
Adding at least one precipitating agent to the waste water to produce precipitated solids, includes the at least one precipitating agent having a range of 0.005×10−3 to 0.10×10−3 (milliequivalents/Liter/ppm hardness) selected to produce precipitated lime solid.