Fabricated of Bio-Filter to Improve Drainage Water
Résumé
Abstract The aim of the current research is to manufacture a bio-filter to improve the usage of drainage water and assess the added value of applying the low-cost rice straw filter in achieving higher water productivity, a cleaner product, and a cleaner environment, as well as reducing waste loads in water and improving water use efficiency. The laboratory unit test consisted of two main plastic tanks, a hydraulic centrifugal pump with 0.736 kW (1 hp), mechanical valves, a water tap flow instrument, pipes line, a pressure gauge manometer, and a rice straw filter. The first tank with a capacity of 100 liters of plastic material was used to collect the wastewater. The quality parameters for control pad fish water values before treatment were 478 mg/L, 305.9 mg/L, 156 mg/L, and 487 mg/L for COD, BOD, TDS, and TSS, respectively. The quality parameters for pad fish values after using the rice straw filter treatment were 34 mg/L, 22.2 mg/L, 21 mg/L, and 316 mg/L for COD, BOD, TDS, and TSS, respectively. The NH3 value for control wastewater was 10.4 mg/L compared to 7.12 mg/L, 6.8 mg/L, and 6 mg/L after using the developed rice straw filter at retention time 30 min, 45 min, and 60 min, respectively. Additionally, the maximum reduction of the COD, BOD, TDS, and TSS values was 85.58%, 85.82%, 79.75%, and 46.46% for using the manufactured cleaning unit with the developed rice straw filter, respectively.
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