Rapid Sand Filtration_120227

7/21/2019 Rapid Sand Filtration_120227

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Rapid Sand Filtration


1

Marco Bruni, seecon international gmbh


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F n t s presentat on an more on: www.ssswm. n o.

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Contents

1. 'oncept

2. 3ow Rapid Sand Filtration 'an 4ptimise SSWM

). esin 5rinciples

6. Treatment 7fficienc" and 3ealth (spects

8. 'onstruction and 4peration 9 Maintenance

. (pplicabilit"

;. (dvantaes and isadvantaes


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$ater %uriication

6

1. Concept

'entralised

level

Semi!

centralised level

3ousehold level

'ommunities

Water suppl"

s"stems indensel"

populated urban

areas3ouseholds
http://www.ssswm.info/http://www.ssswm.info/


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$ater %uriication

Rapid sand iltration is a purel" ph"sical drin$in water purificationmethod on a centralised %or semi!centralised& level

8

1. Concept

'entralised

level

Semi!

centralised level

3ousehold level



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$ater %uriication through Rapid Sand Filtration

$orking %rinciple

(fter bein pre!treated %coaulation!flocculation freshwater flows

throuh a sand! and ravel bed. 3ereb"# particles are removed

throuh a ph"sicalfilter process. Final disinfection.

1. Concept

5re!Treatment

'oaulation!

Flocculation

Rapid Sand

Filtration

5ost!Treatment

'hlorination

Rapid sand iltration is an integral part o a particular water

treatment procedure and cannot produce drinking&water

without precedent and subse'uent treatment steps.


7/20Rapid Sand Filtration


$ater %uriication through Rapid Sand Filtration

$orking %rinciple

(fter bein pre!treated %coaulation!flocculation freshwater flows

throuh a sand! and ravel bed. 3ereb"# particles are removed

throuh a ph"sicalfilter process. Final disinfection.

;

1. Concept

5re!Treatment

'oaulation!

Flocculation

Rapid Sand

Filtration

5ost!Treatment

'hlorination

Rapid sand iltration is an integral part o a particular water

treatment procedure and cannot produce drinking&water

without precedent and subse'uent treatment steps.

%rocesses are

interlinked


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2. How Rapid Sand Filtration Can Optimise SSWM

Characteristics o "rbanised (reas

Documents

Rapid Sand Filtration_120227