Performance of sequencing batch reactor (SBR) of treated tofu wastewater: variation of contact time and activated sludge sources

Author:

Sakinah N E,Rahmatullah L T,Kuncoro E P,Oktavitri N I

Abstract

Abstract One of the wastewater treatment system that is able to reduce levels of contamination are industrial wastewater using Sequencing Batch Reactor (SBR). Important in the early stages of SBR is filling phase (filling) consisting of seeding and acclimatization period. In the seeding and acclimatization period, the reactor will be filled with activated sludge and wastewater aeration process during the next study period. This research was conducted to find out sources and the best contact time of the activated sludge in lowering the concentration of COD and TSS from wastewater of tofu industry. Activated sludge which will be used is sourced from slaughter house, gutters of tofu industry, and polluted rivers. The variation of contact time which will be used is day 0; 1; 3; 5; 9 and 13. The results showed that the activated sludge are sourced from a polluted river sludge with the best percent COD reduction of 81% and TSS by 94% at day 13.

Publisher

IOP Publishing

Subject

General Engineering

Reference3 articles.

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Eco enzim untuk pengolahan air limbah tahu;WAKTU: Jurnal Teknik UNIPA;2023-07-24

2. Recovery of Energy and Materials From Small-Scale Tofu Processing Industries in Indonesia;Handbook of Research on Green, Circular, and Digital Economies as Tools for Recovery and Sustainability;2022

3. Quality test of liquid tofu waste in one of the industries in Bantaeng district;IOP Conference Series: Materials Science and Engineering;2020-07-01

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