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Sedimentation Report

Date post: 27-Feb-2018
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    SEDIMENTATIONALLAN B. PENALES

    BSCE - V

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    SEDIMENTA

    the oldest form of water treuses ra!"t# to se$arate $a

    water

    often follows %oaulat"on a

    O'(e%t"!e of Sed"mentat"on

    To se$arate sol"ds from l")u"d of ra!"t#. In sed"mentat"on* o

    sol"ds +SS, are remo

    Sed"mentat"on "s used "n

    wastewater treatment

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    Particles that will settle within a reasonable pe

    time can be removed using a sedimentation tan

    called clarifiers).

    Sedimentation tanks are either rectangular or

    tanks.

    Suspended solids (or SS), is the mass of dry

    retained by a filter of a given porosity related

    volume of the water sample. This includes partic

    size not lower than !"m.

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    The are four types of sedimentation process

    Type 1 Dilutes, free-settling, non-flocculent. (Every partisettles independently)

    Type Dilute, flocculent. (!articles can flocculate as the

    Type " #oncentrated $uspensions, %one settling ($ludg

    Thic&ening)Type ' #oncentrated $uspensions, #ompression ($ludgThic&ening)

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    Pr"or to ltrat"on of surfa%e water Pr"or to ltrat"on of %oaulated-&o%%ulated

    water After add"n l"me and soda ash In soften"n

    of

    water In "ron and mananese remo!al $lants aftertreat"n the water

    ATE/ T/EATMENT

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    Sedimentation in Wastewater Treatme

    P/IMA/0 SEDIMENTATION

    1 To remo!e settlea'le sol"ds from raw wastewater

    SECONDA/0 SEDIMENTATION

    1 To remo!e MLSS "n a%t"!ated slude $ro%ess

    1 To remo!e '"olo"%al rowth slouh"n o2 tr"%3l"n lters

    TE/TIA/0 AND ADVANCED T/EATMENT

    1 /emo!e %oaulated-&o%%ulated SS

    1 /emo!e %hem"%al $re%"$"tates

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    The EndThank you for

    listening.


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