spl pengolahan limbah cair secara fisik

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1 Nur Istianah, S.T.,M.T.,M.Eng_SPL_THP_UB semester genap TA 2014/2015 PENGOLAHAN LIMBAH

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Page 1: Spl pengolahan limbah cair secara fisik

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Nur Istianah, S.T.,M.T.,M.Eng_SPL_THP_UB semester genap TA 2014/2015

PENGOLAHAN LIMBAH

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Pengolahan Limbah (secara fisik)Pr

insi

p D

asar

:

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Teknologi Pemisahan

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Flate

Spiral

Hollow

Membran

Page 6: Spl pengolahan limbah cair secara fisik

3 steps of waste water treatment

PRIMARY SECONDARY TERTIARY

PURPOSE:To Filter the solid waste

PURPOSE :To Eliminate

BOD

PURPOSE :To get the clean

water

Methods: -Oxidation

-Using activated sludge process

Methods :- discard the poisonous organic compounds, hard metal, bacterias

Methods: -Filtration-Sedimentation

Page 7: Spl pengolahan limbah cair secara fisik

• Primary Treatment (Reduce Solids 50-60%, BOD 30-50%)

Bar screens, Comminutor, Grit chamber (Settling tank)• Secondary Treatment

(Solids 85-95%, BOD 80-95%) Trickling filter, Activated sludge, Water treatment ponds

• Advanced Treatment (Solids ~100%, BOD ~99%) Land Application, Coagulation-sedimentation, Adsorption, Electrodialysis

Major Stages of Treatment

Page 8: Spl pengolahan limbah cair secara fisik

Flokulasi & koagulasifilter

Tangki air bersih

Cooling tower

Alat penukar panas

Boiler Alat penukar panas

Softener

Praheater

Air pedingin

Air pembangkit steam

Air proses

Limbah cair

Air sanitasi

Cl2

Air baku

Tangki penampung

Blow down

sludge

Koagulan & flokulan

Bagan alir sistem pengolahan air industri

kondensat

steam

F.Eff/05

Water treatment

primer

Page 9: Spl pengolahan limbah cair secara fisik

LUMPUR

Bak koagulasi(hidraulik)

koagulan Bak flokulasi(mekanikal)

Bak sedimentasi

Water treatmentWater treatment

Air baku

KONVENSIONALKONVENSIONAL

- KoagulasiKoagulasi- FlokulasiFlokulasi- SedimentasiSedimentasi

Pada unit – unit terpisah

Air bersih

Page 10: Spl pengolahan limbah cair secara fisik

CLARIFIER- KOAGULASI (1)

- FLOKULASI (2)

- SEDIMENTASI (3)

PADA SATU KOMPARTEMENT (UNIT) Air masuk

Bahan kimiaAir bersih

1

2

3

Lumpur

Page 11: Spl pengolahan limbah cair secara fisik

Tampak bagian dalam clarifier

Scraper

Influent well

Weir untuk effluent

Pengumpul sludge

Page 12: Spl pengolahan limbah cair secara fisik

Air masuk

Koagulan

Air bersih

Lumpur

Bagian Sedimentasi

Bagian Flokulasi

Bagian Koagulasi

IPA tipe Plate Settler clarifierIPA tipe Plate Settler clarifier

Page 13: Spl pengolahan limbah cair secara fisik

TERIMA KASIH