Waste effluent treatment system

Method and apparatus for treating animal waste and wastewater

Phased activated sludge system

Supported biofilm apparatus

Microbial manure treatment system

Waste activated sludge anaerobic contact waste stream treatment process-recycle

Apparatus and methods for control of waste treatment processes

Apparatus and methods for control of waste treatment processes

Apparatus and methods for control of waste treatment processes

Apparatus and methods for control of waste treatment processes

Water treatment apparatus

Remediation of metal contaminants with hydrocarbon-utilizing bacteria

Water circulation systems for ponds, lakes, and other bodies of water

Nitrogen recovery system and method using heated air as stripping gas

Method and system for treating wastewater containing organic compounds

Method and apparatus for aerating a surface layer in a stratified liquid body

Waste treatment with control over biological solids

System and device to treat sanitary and municipal wastewater and storm water run-offs

Method and apparatus for the treatment of wastewater

Treatment of swine wastewater by biological and membrane separation technologies

System for the production of biogas and compost from organic materials and method of operating an organic treatment facility

Seaweed-based product for treating liquid waste, together with method for making and using the seaweed-based product

Biosolids concentrator and digester system and method

Scat trap filter and aerator system

Biosolids concentrator and digester system and method

Biosolids concentrator and digester system and method

Biological two-stage contaminated water treatment system and process

Method for managing sulfide in wastewater systems

Reduction and control of pH and soluble COfor optimal nitrification for domestic, industrial and municipal wastewater

Device and process to treat and disinfect sewage, food processing wastewater and other biologically contaminated water