BSI 21/30422948 DC:2021 Edition

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BS EN 12255-13. Wastewater treatment plants – Part 13. Chemical treatment. Treatment of wastewater by precipitation/flocculation

Published By	Publication Date	Number of Pages
BSI	2021	25

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Categories: 13.060.30 - Sewage water, BSI

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Description

This document specifies the requirements for chemical treatment of wastewater by precipitation/flocculation for removal of phosphorus and suspended solids.

The application of polymers is not described in this document.

Differences in wastewater treatment throughout Europe have led to a variety of practices being developed. This document gives fundamental information about the practices; this standard has not attempted to specify all available practices.

NOTE

Chemical treatment can be performed in combination with primary and more commonly with secondary treatment, but it can also be performed as separate tertiary treatment, usually in combination with filtration (see EN 12255‑16). Chemical treatment can provide a potential contribution to the circular economy through the recovery of materials, such as phosphorus, from wastewater or sludge.

Additional information

Status	Definitive
Pages	25
Publication Date	2021-06-10
Standard Number	21/30422948 DC
Title	BS EN 12255-13. Wastewater treatment plants – Part 13. Chemical treatment. Treatment of wastewater by precipitation/flocculation
Identical National Standard Of	prEN 12255-13
Descriptors	Flocculation, Decontamination, Solids, Cleaning, Suspensions (chemical), Phosphorus, Chemical technology processes, Waste handling, Waterworks, Water treatment, Water purification, Sewage treatment works
Publisher	BSI
Committee	B/505/40
ICS Codes	13.060.30 - Sewage water

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BSI 21/30422948 DC:2021 Edition

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