PREN 12255-13 : DRAFT 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
01-12-2002
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Requirements
4.1 General
4.2 Chemical background and process options
4.3 Storage of chemicals
4.4 Dosing equipment
4.5 Silos and tanks
4.6 Mixing systems
4.7 Flocculators
4.8 Sedimentation tanks
4.9 Flotation
4.10 Physical filtration
4.11 Sludge
Annex A (informative) Precipitation chemicals
Bibliography
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