Patent ID: 8906237

Claim:
A water filtering system, comprising: a pre-filtering stage, including an oil separator and at least one filter having a spunbond polypropylene, replaceable filter cartridge that is coated with an oil absorptive material sold as MyCelx®, that receives a flow of wastewater, and removes hydrocarbons from the wastewater; a first filtering stage including: an electrocoagulation system that receives the flow of wastewater, and neutralizes charges on the suspended particles in the wastewater as the wastewater flows up through the electrocoagulation system and out its top; and at least one settling tank that receives the wastewater from the electrocoagulation system, and temporarily stores the wastewater to allow the suspended particles having the neutralized charges to separate from the wastewater and fall to the bottom of the at least one settling tank, wherein the wastewater is gravity-fed from the electrocoagulation system to the at least one settling tank; and a second filtering stage that receives the filtered wastewater from the at least one settling tank, and uses at least one mechanical filter to remove suspended particles from the filtered wastewater and produce filtered water that is free from suspended particles.