Patent ID: 9688554
Date: 2017-06-27
CPC Classifications: C02F

Claim:
1. A system for reducing contaminants in a wastewater stream comprising: an inlet system, wherein the inlet system receives a wastewater stream comprising one or more contaminants; one or more bioreactors, wherein one or more of the bioreactors comprise a substrate, wherein bacteria in the wastewater stream at least partially adhere to the substrate; wherein the substrate comprises a plurality of sheets, and wherein the sheets are oriented, with respect to each other, such that a plurality of passages are defined by the sheets; one or more fluid level sensors disposed in one or more of the bioreactors; a controller coupled to one or more of the fluid sensors; and a pump coupled to the wastewater stream; wherein the controller controls operation of the pump to control the incoming flow of the wastewater stream into the one or more bioreactors based on the fluid level detected by one or more of the fluid level sensors; wherein at least a portion of the contaminants in the wastewater stream are removed by bacteria in the one or more bioreactors during use.