Process for cleaning biogas comprises scrubbing with a scrubbing oil to remove trace components, e.g. silicon compounds, and chemically converting, especially combusting, the scrubbing oil charged with the trace components
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Process and degassing tank for degassing digested sludge
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Device for promoting the return flow in wastewater treatment plants
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Biological water treatment process - has biological purificn. step, sedimentation step and controlled sludge recirculation step
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Headwater-controlled throttle device for the regulated run-off of built-up quantities of water, especially quantities of sewage
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Process and appliance for the biological removal of phosphates from sewage
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Process and plant for the thermophilic pretreatment of sewage sludge with simultaneous decontamination
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Heat exchanger for heat recovery from sludge or similar liquids, in particular for the heat transfer from pasteurized sludge or digested sludge to raw sludge
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Mud treatment plant
DE3610627C1
Restrictor shaft for the regulated discharge of retained water quantities, in particular drainage-water quantities
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Decanting apparatus
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Process and apparatus for treating sludges
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Process and plant for heating sewage sludge
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Device for regulating flow rates in an open rectangular channel
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Apparatus for withdrawing floating material and foam material or the like from settling tanks
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Activation plant for microbial elimination of nitrogen from nitrate-containing waste water
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Method for degassing a dump for industrial residues, in particular refuse and waste
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Heat exchanger for heat recovery from sludges or like liquids, in particular for heat transfer from septic sludge to untreated sludge
DE2931132A1
Sewage feed regulator for treatment plant - with main channel and float controlled by=pass
DE2807047A1
Circulator for fermenting sludge sedimenting into vessel sump - has submerged branches sucking up and spraying from centre
