Assessment of the effluent polishing plant using a ultrafiltration membrane installed at a palm oil mill

• Autorzy: Abdul Hadi Numan , Hawari Yahaya , Ngatiman Muzzammil , Jalani Nor Faizah , Wahab Noorshamsiana Abdul , Halim Rohaya Mohamed

Identyfikatory

DOI

10.5277/epe190112

• Języki publikacji: EN

Abstrakty

EN

Palm oil mills discharge raw effluent with high biochemical oxygen demand (BOD) of about 25 000 mg O₂/dm³ . Conventional effluent treatment system uses ponds with a long hydraulic retention time of about 55–85 days, but the reduction of BOD is usually halted at 100–250 mg O₂/dm ³. Further reduction of BOD to below 20 mg O₂/dm³ to meet regulation requirement needs further advanced treatment. This study evaluates the efficiency of an effluent polishing plant installed at a palm oil mill targeting final effluent BOD below 20 mg O₂/dm³. Characteristic of the incoming and treated effluent, dissolved oxygen in the aeration ponds and the effluent flow rate of the treatment plant have been determined. Due to low process throughput at the mill, the polishing plant operated at only 60% of its designed capacity. Treatment of effluent showed reduction of BOD from 39.3±5.8 to 6.1±3.8 mg O₂/dm³, i.e., a reduction by 80–94%. Colour – a newly proposed regulation parameter – was reduced from 1081±69 to 845±60 ADMI, i.e., by 11–30%. This study indicates that while the treatment of effluent to reduce the BOD to below 20 O₂/dm³ O₂/dm³ is feasible, reduction of colour to less than 100 ADMI is not achievable.

Słowa kluczowe

EN

BOD; palm oil mill; wastewater treatment; ultrafiltration membranes

PL

BZT; olej palmowy; oczyszczanie ścieków; membrany ultrafiltracyjne

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2019
• Tom: Vol. 45, nr 1
• Strony: 155--170
• Opis fizyczny: Bibliogr. 28 poz., tab., rys.

Twórcy

autor

Abdul Hadi Numan

• Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

autor

Hawari Yahaya

• Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

autor

Ngatiman Muzzammil

• Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

autor

Jalani Nor Faizah

• Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

autor

Wahab Noorshamsiana Abdul

• Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

autor

Halim Rohaya Mohamed

• Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).