PENGARUH HYDRAULIC RETENTION TIME (HRT) DAN KONSENTRASI INFLUEN TERHADAP PENYISIHAN PARAMETER BOD DAN COD PADA PENGOLAHAN LIMBAH DOMESTIK GREYWATER ARTIFICIAL MENGGUNAKAN REAKTOR UASB

Bonis Rekoyoso, Syafrudin Syafrudin, Sudarno Sudarno

Abstract


In urban areas domestic wastewater pollution reaches 60 % and about 75 % of the total volume of domestic wastewater is greywater . As an alternative wastewater treatment, UASB ( Upflow Anaerobic Sludge Blanket ) is an effective waste processing because it has many advantages . Several factors affect the performance of UASB reactors is Hydraulic Retention Time ( HRT ) and influent concentration. In the COD removal and BOD , reactors with HRT 4 hours having the smallest removal efficiency , i.e. by 36 % and 20 % . Reactor reaches the optimum point processing when operated at HRT 12 hours , where COD removal efficiency of 73% and BOD removal efficiency of 66% . In the reactor with medium concentration range ( S ) with an influent COD of 760 - 880mg / L of COD and BOD removal efficiency reached a maximum of 77 % and 75 % . While the smallest efficiency reactor obtained at low concentrations ( R ) with the organic content of the feed ( influent ) of 133-160 mg / L with a COD removal efficiency of 48% and BOD by 44 % .

Keywords


UASB, influent concentration, Hydraulic Retention Time (HRT), removal efficiency

Full Text:

PDF

Refbacks

  • There are currently no refbacks.



Creative Commons License
Teknik Lingkungan by http://ejournal-s1.undip.ac.id/index.php/tlingkungan is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

View My Stats