The Effectiveness Of Liquid Waste Treatment With Tofu Industry Aeration Method

Widada, Agus (2018) The Effectiveness Of Liquid Waste Treatment With Tofu Industry Aeration Method. Advances in Health Sciences Research (AHSR), 14 (1). Atlantis Press, Proceedings of the 1st International Conference on Inter-professional Health Collaboration (ICIHC 2018). ISBN 978-9462-52-707-2

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Abstract

The tofu industry is processed from soy extract which mostly is a household industry producing waste with high protein and carbohydrate content. Waste produced by washing process, boiling, pressing give burden of high enough contamination because without going through the processing process before disposed of the environment. For that, it needs a pure and straightforward technology that can be utilized for the processing waste of industrial tofu. A straightforward technology that can be applied to waste treatment by combining aeration and biofilter methods to reduce levels of BOD, COD, TSS and pH improvement. Type of quasi-experiment research, pre�post test research design. The result of Kruskall Wallis statistic test showed that there was no difference of BOD, COD, TSS and pH levels on the thickness of the 10 cm, 20 cm and 30 cm excellent brick media on the 3rd, sixth and ninth days. The most effective reduction of BOD at thickness 10 cm day 6 decreased by 64.27%, decrease of COD level on the thickness of 10cm brick and 3rd day by 58,84%, decrease of TSS by day 3rdebesar 81,73%, To change pH according to the quality standard between 6 - 9, then on the thickness of brick liniment media on the sixth day has been effectively improving pH to 8.1.

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