Series on Emission Scenario Documents

English
ISSN: 
2311-4606 (online)
http://dx.doi.org/10.1787/23114606
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This is a selection of the Emission Scenario Document (ESDs) and Guidance documents related to ESDs. OECD has been working mainly on environmental exposure assessment for more than 10 years by developing a series of Emission Scenario Documents (ESDs) and other guidance documents and tools related to exposure of chemicals to the environment.

 
Water Treatment Chemicals

Water Treatment Chemicals You or your institution have access to this content

English
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    http://oecd.metastore.ingenta.com/content/9714281e.pdf
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Author(s):
OECD
03 Sep 2014
Pages:
76
ISBN:
9789264221239 (PDF)
http://dx.doi.org/10.1787/9789264221239-en

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This OECD Emission Scenario Document (ESD)  provides information on the
sources, use patterns and release pathways of chemicals used in the treatment of water in a number of areas to assist in the estimation of releases of chemicals to the environment.
 

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Table of Contents

 
1 Introduction 10
-1.1 Overview and purpose of document 10
-1.2 Problems associated with recirculating water systems 11
-1.3 Releases from the recirculating system 17
2. Closed Cooling and Heating Systems 19
-2.1 Description of closed systems 19
-2.2 The need for chemical inhibitor formulations 21
-2.3 Methods of dosing to closed systems 22
-2.4 Chemical treatments and formulations 26
-2.5 Losses from closed systems 29
-2.6 Market size in UK and Europe 37
-2.7 Individual chemical release scenario examples 39
3. Open Cooling Systems 43
-3.1 Description of open systems 43
-3.2 Treatment chemicals 45
-3.3 Chemical release 52
-3.4 Recycling 55 
4. Papermaking Systems 56
-4.1 Description of papermaking systems 56
-4.2 The need for chemical treatment 57
-4.3 Chemical dosing 59
-4.4 Market size and wastewater production 63
-4.5 Chemical release scenario examples 65
-4.6 Recycling 68 
5. Swimming Pools 69
-5.1 Description of the system 69
-5.2 Filtration 69
-5.3 Disinfection 70
-5.4 pH Adjustment and other chemical treatment 70
-5.5 Chemical dosing 73
 

 
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