Method and device for separating water and solids, in particular for extracting reusable sand
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Mixing device
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Storage box
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Reaction tank for sludge treatment using air - comprises cross beams extending to tank floor and shallow longitudinal beams contg. gap between them and floor
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Liquid container with discharge channel
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Method and device for treating floating sludge
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Apparatus for sludge water discharge for sewage sludge thickeners
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Apparatus for sludge water withdrawal for sewage sludge thickeners
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Septic plant for sewage sludge
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Sewer rake grating guided cleaning comb - has deflecting wheels below top chain wheels to make carriage swing
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Sewer rake grating guided cleaning comb - has ascending path aligned to bring prongs just short of bars