30851 ⎘
Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling; Use of gases Aeration
Efficient MBR operation in wastewater treatment
#302Hollow fiber membrane and method of producing the same
#303METHOD AND APPARATUS FOR TREATMENT OF A FLUID STREAM
#304Method and system for treating wastewater
#305MEMBRANE FILTER FOR WATER TREATMENT
#306Module cleaning method
#307Hollow fiber membrane module and method for making thereof
#308Water filtration using immersed membranes
#309Process control for an immersed membrane system
#310Water separation system
#311External pressure type hollow fiber membrane module
#312Installation and method for the purification of an aqueous effluent by means of oxidation and membrane filtration
#313Mixing chamber
#314Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
#315Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
#316Backwash
#317Cyclic aeration system for submerged membrane modules
#318Submerged cross-flow filtration
#319Refreshing chemicals during membrane cleaning
#320Filtration apparatus
#321Filtration apparatus
#322Filtration apparatus
#323Method of operating a water treatment plant with immersed membranes
#324Methods of cleaning membrane modules
#325Filtration device
#326System for treating wastewater containing organic compounds
#327Energy-efficient biological treatment system with filtration membrane
#328Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
#329Membrane filter for water treatment
#330External pressure hollow fibre membrane separation system
#331Liquid depletion in solid phase separation processes
#332Membrane filtration module with adjustable header spacing
#333Immersed membrane filtration system and overflow process
#334Membrane cartridge, membrane separating device, and membrane separating method
#335Scouring method
#336Biological membrane filtration system for water treatment and a water treatment process
#337Membrane filtration process
#338Immersed membrane apparatus
#339Membrane filtration assemblies for sand filter retrofit
#340Water filtration using immersed membranes
#341Membrane filtration device and process
#342Energy-efficient biological treatment with membrane filtration
#343Membrane filter cleansing process
#344Membrane bioreactor, process and aerator
#345Cyclic aeration system for submerged membrane modules
#346Start-up method for filtering membranes to remove glycerin
#347Removal system for membranes in a membrane filtration system
#348Screening apparatus for water treatment with membranes
#349Cyclic aeration system for submerged membrane modules
#350Scouring method
#351Backwash method
#352Method and apparatus for treatment of a fluid stream
#353Hollow fiber membrane and method of producing the same
#354Method and system for filtering sediment-bearing fluids
#355Tri-axial membrane filtration device and process
#356Method of potting hollow fiber membranes
#357Nozzle device and nozzle for atomisation and/or filtration and methods for using the same
#358Maintenance cleaning for membranes
#359Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
#360Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
#361Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
#362Method for cleaning hollow tubing and fibers
#363Aeration method
#364Inverted air box aerator and aeration method for immersed membranes
#365Water treatment plant with immersed membranes
#366Membrane modules and integrated membrane cassettes
#367Immersed membrane filtration system and overflow process
#368Cyclic aeration system for submerged membrane modules
#369Membrane bioreactor having single header membrane module
#370Method and system for treating wastewater containing organic compounds
#371Apparatus and method for cleaning membrane filtration modules
#372Bubble filter system in water
#373Device for purifying waste water, according to the activated sludge process
#374Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes
#375Water filtration using immersed membranes
#376System for separating oil from water
#377Cleaning hollow core membrane fibers using vibration
#378Membrane bioreactor, process and aerator
#379Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor
#380Filtration system with enhanced cleaning and dynamic fluid separation
#381Filtration system and dynamic fluid separation method
#382Inverted cavity aerator for membrane module
#383Device to filter the effluent of a septic tank