BIOLOGICAL WASTEWATER TREATMENT
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BTMECHANICAL TREATMENT STAGES + BIOLOGICAL TREATMENT STAGES (WASTEWATER TREATMENT)
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UDC628.35
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Descriptor GERBIOLOGISCHE ABWASSERBEHANDLUNG
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Descriptor ENGBIOLOGICAL WASTEWATER TREATMENT
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Descriptor FRETRAITEMENT BIOLOGIQUE DES EAUX USÉES
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Variant GERABWASSERBEHANDLUNG/BIOLOGISCHE ABWASSERBEHANDLUNG
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Variant ENGWASTEWATER TREATMENT/BIOLOGICAL WASTEWATER TREATMENT
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Variant ENGWASTE WATER TREATMENT/BIOLOGICAL WASTE WATER TREATMENT
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Variant FREEAUX USÉES/TRAITEMENT BIOLOGIQUE DES EAUX USÉES
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NTSOIL TREATMENT OF WASTEWATER + HYDROPHYTE TREATMENT SYSTEM (BIOLOGICAL WASTEWATER TREATMENT)
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NTSEWAGE PONDS + CLARIFICATION PONDS + AERATED LAGOONS (BIOLOGICAL WASTEWATER TREATMENT)
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NTACTIVATED SLUDGE PROCESS (BIOLOGICAL WASTEWATER TREATMENT)
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NTSEPTIC TANKS (BIOLOGICAL WASTEWATER TREATMENT)
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NTSEWAGE SLUDGE + SEWAGE SLUDGE TREATMENT (WASTEWATER TREATMENT)
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NTTRICKLING FILTERS + BIOLOGICAL CONTACTORS + BIOLOGICAL FILTERS (BIOLOGICAL WASTEWATER TREATMENT)
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RTWASTE BIOTECHNOLOGY + WASTEWATER BIOTECHNOLOGY (ENVIRONMENTAL BIOTECHNOLOGY)
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RTWASTE TREATMENT MICROBIOLOGY + MICROBIAL DEGRADATION OF POLLUTANTS (MICROBIOLOGY)
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RTBIOLOGICAL WASTE TREATMENT
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RTBIOLOGICAL TREATMENT + BIOREMEDIATION + BIORECLAMATION (ENVIRONMENTAL PROTECTION MEASURES)
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RTBIOWASHER (ENVIRONMENTAL BIOTECHNOLOGY)
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RTSELF-PURIFICATION OF WATERS (HYDROBIOLOGY)