Patent ID: 9512012
Filing Date: 2016-12-06
CPC Classification: C02F

Claim Text:
1. A method, comprising: electrolyzing a wastewater solution in an electrolysis chamber comprising a cathode of stainless steel mesh and an anode of platinized titanium mesh, the wastewater solution comprising lead ions at a starting concentration between 50 and 500 mg/L; maintaining a first set of conditions of temperature and pH for the solution for greater than 1 hour and less than 2 hours for lead recovery from the wastewater; and applying an ultrasound wave at a frequency of 100 kHz to the wastewater solution during the electrolyzing to remove the lead ions from the wastewater solution, wherein the first set of conditions comprises a pH of the solution being in a range of 3 to 3.5, and wherein energy consumption is kept below 0.04 KWh/mg for the lead recovery.