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BSI PD ISO/TR 20736:2021

$215.11

Sludge recovery, recycling, treatment and disposal. Guidance on thermal treatment of sludge

Published By Publication Date Number of Pages
BSI 2021 102
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This document describes good practices for the incineration and other organic matter treatment by thermal processes of sludges.

Thermal conditioning is excluded.

This document applies to sludges specifically derived from:

  • storm water handling;

  • night soil;

  • urban wastewater collecting systems;

  • urban wastewater treatment plants;

  • treating industrial wastewater similar to urban wastewater.

It includes all sludge that may have similar environmental and/or health impacts but excludes hazardous sludge from industry and dredged sludge.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
13 4 Abbreviated terms
14 5 Sludge properties
5.1 General
5.2 Physico-chemical characteristics
5.2.1 General
5.2.2 Dry matter
5.2.3 Loss on ignition
15 5.2.4 Calorific value
5.2.5 Grease, scum and screening
16 5.2.6 Physical consistency and others
5.3 Chemical and microbiological characteristics
5.3.1 General
5.3.2 Sulfur
17 5.3.3 Phosphorus
5.3.4 Nitrogen
5.3.5 Chlorine and other halogens
5.3.6 Organic micro pollutants
18 5.3.7 Trace elements
5.3.8 Pathogens
6 Thermal processes fundamentals
6.1 General
19 6.2 Drying
20 6.3 Hydrolysis
21 6.4 Incineration
22 6.5 Pyrolysis
23 6.6 Gasification
24 6.7 Thermolysis
6.8 Carbonization
6.9 Wet oxidation
25 6.10 Melting
6.11 Pasteurization
26 7 Technologies
7.1 General
7.2 Drying
7.2.1 Direct dryers
30 7.2.2 Indirect dryers
32 7.2.3 Solar dryers
33 7.3 Hydrolysis
34 7.4 Incineration
7.4.1 Fluidized bed furnace
38 7.4.2 Multiple hearth furnace (MHF)
41 7.4.3 Hybrid furnace
42 7.4.4 Others
43 7.5 Pyrolysis
7.6 Gasification
45 7.7 Thermolysis
46 7.8 Carbonization
7.9 Wet oxidation
47 7.10 Melting
49 7.11 Pasteurization
50 7.12 Emerging technologies
7.12.1 General
7.12.2 Oxidation technologies
51 7.12.3 Enzymatic sludge hydrolysis
7.12.4 Plasma gasification
7.12.5 Ultrasound pretreatment
7.12.6 Microwave irradiation
52 7.12.7 Infrared radiation
7.13 Design aspects
7.14 Auxiliary equipment
7.14.1 General
53 7.14.2 Transport, receiving area, storage and feeding systems
7.14.3 Heat supply and recovery
54 7.14.4 Gas cleaning
7.14.5 Ash and other residues handling
7.14.6 Wastewater treatment
7.14.7 Process monitoring
55 7.14.8 Safety systems
8 Operational aspects
8.1 General
56 8.2 Drying
8.3 Hydrolysis
8.4 Incineration
8.4.1 General
57 8.4.2 Fluidized bed furnace
58 8.4.3 Multiple hearth furnace
59 8.5 Pyrolysis
8.6 Gasification
8.7 Thermolysis
8.8 Carbonization
8.9 Wet oxidation
60 8.10 Melting
8.11 Pasteurization
8.12 Hazards
9 Management of energy and secondary resources
9.1 General
61 9.2 Drying
9.3 Hydrolysis
9.4 Incineration
62 9.5 Pyrolysis
63 9.6 Gasification
64 9.7 Thermolysis
9.8 Carbonization
9.9 Wet oxidation
9.10 Melting
9.11 Pasteurization
65 9.12 Thermal treatments and circular economy
10 Management of residues
10.1 General
10.2 Flue gas
10.2.1 Characteristics and parameters
67 10.2.2 Equipment
69 10.3 Ashes
10.3.1 Composition/parameters
70 10.3.2 Processes and equipment
71 10.4 Wastewater
11 Decommissioning of installations
11.1 General
11.2 Specific considerations
72 12 Co-management with other organic wastes
12.1 General
73 12.2 Specific considerations
75 12.3 Additional storage and transport aspects
12.3.1 General
12.3.2 Storage
76 12.3.3 Transport
13 ​Assessment of sustainability
13.1 General
77 13.2 Environmental aspects
13.3 Economical aspects
13.4 Social aspects
79 Annex A (informative) Calorific values calculations
80 Annex B (informative) Various systems to input sludge into a household waste incineration plant
82 Annex C (informative) Case studies
96 Annex D (informative) Regulatory aspects
99 Bibliography
BSI PD ISO/TR 20736:2021
$215.11