|
GB8507945D0
|
|
Deionisation process
|
|
GB8429836D0
|
|
Electro dialysis cells
|
|
GB8415463D0
|
|
Fluid separation cells
|
|
GB8407484D0
|
|
Fluid bed biological reactor
|
|
GB8331370D0
|
|
Process and apparatus for separating a dispersed phase from a liquid
|
|
US4479880A
|
|
Method and apparatus for deflecting granular material away from the outlet of a filtration bed
|
|
GB8309761D0
|
|
Filtration method and apparatus
|
|
ZA8202387B
|
|
Filtration apparatus
|
|
GB2096480A
|
|
Filter leaf
|
|
GB2092121A
|
|
Purification of water
|
|
GB2063094A
|
|
Water purification by ion exchange
|
|
US4336140A
|
|
Water purification process
|
|
GB2055783A
|
|
Prevention of calcium sulphate scaling in reverse osmosis processes and apparatus
|
|
ZA8001735B
|
|
Water purification process and apparatus
|
|
AU5678380A
|
|
Water purification process and apparatus
|
|
GB2008968A
|
|
Ion exchange processes
|
|
EP0002342A1
|
|
Water purification process
|
|
GB2001863A
|
|
Ion exchange products and methods
|
|
GB1572663A
|
|
Filtration apparatus and method
|
