US6857451B1
|
|
Rehabilitation of water supply pipes
|
GB0116774D0
|
|
A device for seperating solid matter in an overflowing effluent
|
WO0151913A2
|
|
Method and device for detecting a biofilm
|
AU5992900A
|
|
Method for managing urban wastewater based on indications on pollutants
|
WO0075621A1
|
|
Improvements in or relating to the introduction of a device into a pressurised pipe
|
AU5212100A
|
|
Rehabilitation of water supply pipes
|
AU3302300A
|
|
Apparatus for measuring and recording pressure in a water distribution system
|
WO0046469A1
|
|
Device for manoeuvring a cover or membrane of the entire surface of a pool
|
HU0300628A2
|
|
Improvements to waste water treatment using activated sludge process
|
AU5171499A
|
|
Method and installations for treating effluents in small communities
|
FR2787103A1
|
|
PROCESS FOR THE TREATMENT AND MANAGEMENT OF SLUDGE FROM WASTEWATER TREATMENT PLANTS
|
PL344491A1
|
|
Method for regulating aeration during waste water biological treatment
|
CA2321885A1
|
|
Method for controlling the integrity of hollow fibre filtering modules
|
AU2059999A
|
|
Improvements to solid-liquid separating equipment in particular for biological purification of waste water
|
WO9921800A1
|
|
Method and device for adjusting the permeate flow rate in membrane bioreactors for water treatment
|
US6808879B1
|
|
Means for qualitative and quantitative analysis of microbial populations potentially present in a sample
|
AU9270998A
|
|
Method for adjusting and disinfecting liquids
|
AU9353198A
|
|
Method for controlling aeration systems of biological tanks treating waste water
|
EP1019328A1
|
|
Method for controlling and managing the biomass store of biological installations treating waste water
|
AU9353298A
|
|
Method for evaluating and controlling the biomass contained in waste water treatment biological tanks
|