Industrial wastes extraction treatment - in extraction and distillation columns automatically controlled by densimeters and flow rate controllers
AU7168874A
Adsorbant regeneration
ES428080A1
Procedure for the avoidance of emissions in the recovery of solvents during the switching of absorbents after the disabsortion. (Machine-translation by Google Translate, not legally binding)
DE2409768A1
Filter for liquids - with distributor plate to give even loading of multiple bag-type elements
DE2405233A1
Cascade gasifier or degasifier - e.g. for aerating potable or industrial water
DE2358215A1
Combined filter and degasifier - for water treatment plants, with cascade degasifier
DE2337424A1
Industrial and institutional effluent water treatment - for neutralising, oxidising, reducing and generally rendering waste fluids innocuous
DE2336029A1
Regenerating absorber contg solvents and volatiles - using steam, followed by hot air drying and burning of volatiles
DE2336030A1
Granular treatment bed uniformly maintained during settlement - by pressing grating into surface to subdivide it into cells
GB1431805A
Regeneration of adsorbers
DE2253256A1
Straight sided filter beds for water treatment - with esp. square or polygonal plan, to improve utilisation of area and structural materials
DE2242613A1
Water treatment plant - with gravel filter and pre-clarifier sedimentation tank
DE2241623A1
Purifying waste gases from waste burning plant - by scrubbing with water accompanied by neutralising with milk of lime and precipitation of calcium salts and dust
FR2138696A1
Desulphurising active carbon - pre-drying heating eg by inert gas, to vaporize elementary sulphur
DE2162123A1
Chalk-carbonic acid equilibrium in water - from differing sources electronically controlled during mixing
DE2157062A1
Waste gas nitrogen oxides removal - as ammonium nitrate /nitrite on activated charcoal
DE2155320A1
Sulphur dioxide removal from waste gas by adsorption - and reduction to elementary sulphur
DE2144916A1
Extraction of heavy metal ions from activated charcoal - - by treatment with acid-contg combustion gases