Method of purifying fischer-tropsch derived water

Organic waste material treatment system

Inverted air box aerator and aeration method for immersed membranes

Systems and methods for treating waste water

Aerobic wastewater management system, apparatus, and method

Method for acquiring samples from a trickling filter medium

Aerator alarm unit

Treatment of contaminated activated charcoal

Integrated hydroponic and fixed-film wastewater treatment systems and associated methods

Module for removing organic compounds from foaming wastewater by oxidation

Membrane modules and integrated membrane cassettes

Cyclic aeration system for submerged membrane modules

Membrane bioreactor having single header membrane module

Bioremediation method which is used to concentrate and eliminate radionuclides in radioactive water

Method for treatment of sewage plant sludges by a fungal process

Device and method for cleaning a fluid, such as water

Apparatus for biological treatment of waste waters

Waste water treatment process

Method and system for treating wastewater containing organic compounds

Apparatus and method for cleaning membrane filtration modules

Device for utilization of organic waste material, particularly animal by-products

Sewage treatment plant

Sustained totipotent culture of selected monocot genera

Pulsating reactors

Gas-gas-water treatment system for groundwater and soil remediation

Device for purifying waste water, according to the activated sludge process

Water ozonation and bioremediation system and associated methods

Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes

Autothermal aerobic digestion system having closed defoaming system

Water filtration using immersed membranes

Waste treatment with control over biological solids

Tidal vertical flow wastewater treatment system and method

Contaminant removal by additional ferns

Method for control of wastewater treatment plant odors

Apparatus and method for controlling biomass growth in suspended carrier bioreactor

Process and device for the treatment of effluents produced during wine manufacture

Method for biological purification of water using a carrier material

Fluidizing reactor and method for treatment of fluids

Sustainable process for the treatment and detoxification of liquid waste

Activated sludge process using downflow sludge blanket filtration

Wastewater treatment system

Integrated closed loop system for industrial water purification

Membrane bioreactor, process and aerator

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

Method and system for directing fluid flow

Parts washing system

Membrane module for gas transfer

Flood and drain wastewater treatment system and associated methods

Supported biofilm apparatus and process

Environmental remediation method and apparatus

Method for treating wastewater in a membrane bioreactor to produce a low phosphorus effluent

Apparatus, system and method for remediation of contamination

Clarification basin membrane

Environmental remediation apparatus

Ammonia nitrification over a carbonate alkalinity source

Treatment of swine wastewater by biological and membrane separation technologies

Concrete product containing a mixture of microbial cells

Hydrophobic compositions and methods of use in water applications

Method and device for purifying wastewaters

Periodic aeration in an activated sludge reactor for wastewater treatment

Apparatus for reduction of biological wasted sludge

Method and apparatus for treatment of wastewater employing membrane bioreactors

Process for treating an effluent polluted by MTBE or TAME using the I-2562 strain fixed on a mineral support comprising perlite

Inverted cavity aerator for membrane module

Compositions for removing halogenated hydrocarbons from contaminated environments

Apparatus and method for the treatment of waste

Multiple layered membrane with fluorine containing polymer layer

Methods and apparatus for treating animal manure

Wastewater treatment bioreactor