Efficacy Assessment of Decentralized Wastewater Treatment Systems in treating Faecal Sludge within Dar es Salaam City
نویسندگان
چکیده
Dar es Salaam Water and Sewerage Authority (DAWASA) considers DEWATS as effective system for faecal sludge management especially from unplanned settlements. No study has been done in Tanzania to assess the treatment efficiency, adoptability sustainability of systems. That being case, this aimed at assessing efficiency Decentralized Treatment Systems installed within city. Kigamboni Mburahati were selected case areas whereby, quantitative method was used data collection. The collected results showed that most physical parameters allowable range specified by Tanzanian Standards municipal wastewater discharge (TZS 860:2006). Nitrate Phosphate levels both plants. BOD5 COD four times higher than maximum safe limit each. Both failed lower coliform meet standard (10,000 cfu/100 ml) having effluent quality 115,000 cfu/ 100 ml 22,875,000 respectively. Addition dosing chamber between gravel filter polishing dosed 6mg/l chlorine remediated state.
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ژورنال
عنوان ژورنال: International journal of scientific advances
سال: 2022
ISSN: ['2708-7972']
DOI: https://doi.org/10.51542/ijscia.v3i5.19