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BSI 22/30408106 DC:2022 Edition

BSI 22/30408106 DC:2022 Edition

$13.70

BS ISO 21939-2. A method to calculate and express energy consumption of industrial wastewater treatment for the purpose of water reuse – Part 2. Accounting for energy recovery

Published By Publication Date Number of Pages
BSI 2022 20
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PDF Catalog

PDF Pages PDF Title
1 30408106-NC.pdf
3 ISO_DIS 21939-2 ed.1 – id.78940 Enquiry PDF (en).pdf
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms, definitions, and abbreviated terms
10 3.1 Abbreviated terms
4 Energy recovery scenarios from wastewater and sludge anaerobic treatment processes
4.1 General
4.2 Processing biogas from anaerobic digestion
11 4.3 Flaring
4.4 Electricity generation
4.5 Steam generation
4.6 Heat recovery-combined heat and power generation (CHP)
12 4.7 Discharge of raw or processed gas for offsite use
5 Guidelines for handling data on energy recovery
5.1 General
5.2 Limitation of contaminated components and impurities in biogas
5.2.1 Limit levels for trace substances and impurities
5.2.2 Gas cleaning systems
13 5.2.3 Limitations for the emissions from flaring systems
5.2.4 Data and information required for the calculations of biogas yield
5.3 Wastewater treatment plant energy uses
5.4 Accounting for variable conditions
5.4.1 General
14 5.4.2 Typical values for preliminary design
6 Quantifying the power generation for each energy recovery scenario
6.1 Electricity generation
15 6.2 Steam generation
6.3 Heat recovery (hot water)
6.4 Combined heat and power generation (CHP)
16 7 Expression of normalized energy production and integration with energy consumption calculations
17 Annex€A (informative) Main energy uses in wastewater treatment plants
18 Annex€B (informative) Examples of calculations
20 Bibliography

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BSI 22/30408106 DC
$13.70