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DIN EN ISO 11734
Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995); German version EN ISO 11734:1998
Edition
1998-11
DIN EN ISO 11733
Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004); German version EN ISO 11733:2004
Edition
2004-11
DIN EN 12255-4
Wastewater treatment plants - Part 4: Primary treatment; German and English version prEN 12255-4:2021
Edition
2021-09
DIN EN 12255-4
Wastewater treatment plants - Part 4: Primary settlement; German version EN 12255-4:2002
Edition
2002-04
DIN EN 12255-3
Wastewater treatment plants - Part 3: Preliminary treatment; German and English version prEN 12255-3:2021
Edition
2022-01
DIN EN 12255-1
Wastewater treatment plants - Part 1: General construction principles; German and English version prEN 12255-1:2023
Edition
2023-08
DIN EN 12255-16
Wastewater treatment plants - Part 16: Physical (mechanical) filtration; German and English version prEN 12255-16:2019
Edition
2019-06
DIN EN 12255-8
Wastewater treatment plants - Part 8: Sludge treatment and storage; German and English version prEN 12255-8:2022
Edition
2022-03
DIN EN 12255-7
Wastewater treatment plants - Part 7: Biological fixed-film reactors; German and English version prEN 12255-7:2023
Edition
2023-09
DIN EN 12255-6
Wastewater treatment plants - Part 6: Activated sludge process; German and English version prEN 12255-6:2021
Edition
2021-07
