karakteristik dan baku mutu limbah cair
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http://chemeng2301.blogspot.com/TRANSCRIPT
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KARAKTERISTIK DAN BAKU MUTU
LIMBAH CAIR
Reni Desmiarti
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Baku Mutu??Limbah
Cair??
Karakteristik??
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????
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LIMBAH CAIR
Limbah Cair
Berwujud Cair
Tidak DikehendakiHasil Suatu Proses
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Limbah Cair
Air
(99.9%)
Bahan Padat
(0.1%)
Anorganik (30%)Organik (70%)
Protein (65%)Karbohidrat (25%)Lemak (10%)
ButiranGaramLogam
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SUMBER LIMBAH CAIR
Limbah Cair
Kegiatan Domestik
Kegiatan Industri
Rumah TanggaRumah SakitPerhotelan
KaretKelapa Sawit
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Limbah Cair Domestik
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Limbah Cair Industri
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Karakteristik
Baku Mutu
??
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•TSS, TDS, Warna, Kekeruhan, Suhu, Bau
Karakteristik
Fisik•BOD
, COD, DO, pH, Nitrat, Fosfat, Logam Berat
Karakteristik
Kimia
•Mikroorganisme
Karakteristik
Biologi
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Baku Mutu
Domestik
Hotel
Rumah SakitCPO
Karet
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Limbah Cair Domestik
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Zat Organik
Berbau
Mikroorganisme
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BAKU MUTU
KEPMEN LH No. 12 Tahun 2003
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Parameter SatuanKadar
Maksimum
pH - 6,0-9,0
BOD5 mg/l 100
TSS mg/l 100
Minyak dan Lemak mg/l 10
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Limbah Cair Hotel
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KEGIATAN KOMERSIAL
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Zat Organik
Berbau
Volume Besar
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BAKU MUTU
KEPMEN LH No. 52 Tahun 1995
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Parameter SatuanKadar
Maksimum
COD mg/l 50
BOD5 mg/l 30
TSS mg/l 50
pH - 6,0-9,0
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Limbah Cair Rumah Sakit
MEDIS NON MEDIS
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Kegiatan Medis
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Kegiatan Non Medis
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BAKU MUTU
KEPMEN LH No. 58 Tahun 1995
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Parameter SatuanKadar
Maksimum
BOD5 mg/l 30
COD mg/l 50
TSS mg/l 50
pH - 6,0-9,0
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Limbah Cair Pabrik CPO
Hasil kondensasi pada unit digester, presser, dan depericarper
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Hasil penambahan air pada hydrocyclone dan ayakan getar
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BAKU MUTU
KEPMEN LH No. 51 Tahun 1995
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ParameterKadar
Maksimum (mg/l)
Beban Maksimum
(kg/ton)BOD5 100 0,25
COD 350 0,88
TSS 250 0,63
Minyak dan Lemak 25 0,063
N Total 50 0,125
pH 6,0-9,0
Debit Maksimum 2,5 m3/ton produk CPO
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Limbah Cair Pabrik Karet
Limbah Karet
Kandungan Organik Tinggi
Bau MenyengatBerwarna
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Limbah Cair Karet
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BAKU MUTU
KEPMEN LH No. 51 Tahun 1995
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ParameterKadar
Maksimum (mg/l)
Beban Maksimum
(kg/ton)BOD5 150 6,0
COD 300 12,0
TSS 150 6,0
Ammonia Total 10 0,4
pH 6,0-9,0
Debit Maksimum 40 m3/ton produk karet
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TERIMA KASIH...
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Total Suspended Solid (TSS)
sejumlah padatan tersuspensi dalam air limbah yang tertahan setelah penyaringan dengan membran (0,45µ)
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Padatan tersuspensi masuk ke perairan
Kekeruhan perairan
Laju fotosintesis menurun
Produktivitas primer perairan menurun
Terganggunya keseluruhan rantai makanan
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Total Dissolved Solid (TDS)
bahan padat yang terdapat di dalam filtrat setelah penghilangan bahan padat tersuspensi melalui penyaringan dengan membran (0,45 µ)
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Warna
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Kekeruhan
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SUHU
Respirasi dan Metabolisme Keseimbangan Kimia
SUHU
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BAU
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Biochemical Oxygen Demand
jumlah oksigen terlarut yang dibutuhkan organisme untuk menguraikan molekul dalam air
petunjuk keberadaan mikroorganisme dalam limbah
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Dissolved Oxygen
kadar oksigen terlarut untuk respirasi aerob organisme perairan
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Kadar DO normal Kadar DO kecil
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Hubungan BOD dengan DO
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Chemical Oxygen Demand
jumlah oksigen yang dibutuhkan untuk proses perombakan bahan pencemar secara kimiawi
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Senyawa Nitrogen
Iritasi dankorosi
Meningkatkan pertumbuhan mikroorganisme Mengganggu proses
desinfeksi
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Senyawa Fosfat
Perairan
Pupuk Pertanian
Buangan + Sisa Makanan
Industri Logam + Pupuk
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Derajat Keasaman (pH)
diupayakan pH limbah netral (6,0-9,0)
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Logam Berat
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Karakteristik Biologi
ukuran kualitas air yang dikonsumsi