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DE886726C
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Method and device for the step-by-step washing of sewage sludge deposited in sewage basins
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DE926184C
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Device for the treatment, especially clarification of fluids
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DE871246C
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Single or double pump
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DE752519C
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Device for layer-by-layer removal of the filter cake from rotary filters with auxiliary filter layers
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DE723979C
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Apparatus and method for settling minerals and other solids from liquids
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DE708145C
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Low-vibration suspension for the agitator of bowl classifiers
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DE676090C
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Bearing and drive arrangement for freely hanging scraper shafts rotated by a stationary drive in settling containers
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DE670771C
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Arithmetic classifier
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DE666545C
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Process and system for the gradual digestion of sewage sludge in two separate containers
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DE636142C
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Arithmetic classifier
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DE626669C
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Method and device for separating organic solids from inorganic solids in waste water
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DE638478C
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Process for the continuous separation and saturation of the raw juice of the sugar industry
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DE627273C
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Process for the continuous production of double superphosphate
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DE623914C
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Device for displaying and regulating the degree of satiety of sugar juices
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DE615216C
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Process for cleaning the internal filter surfaces of continuously operating suction cell drum filters
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DE490566C
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Plant for the production of a mixed fertilizer containing phosphorus and nitrogen in an easily soluble form
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DE492888C
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Plant for the production of a mixed fertilizer containing phosphorus and nitrogen in an easily soluble form
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