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A research of constructed wetland system vegetated with Equisetum hyemale for treating of treated tannery wastewater have been conducted. The constructed wetland was 3 m long, 1 m wide, and 1 m deep or equal with volume of 3 m3. The construction of wetland consisted of 4 main layers (from the bottom to the top): 0.3 m of rock; 0.3 m of gravel; 0.1 m of black sugar-palm fiber; and 0.3 m of sand. The wetland was operated with subsurface flow system (SSF). The detention time was varied at 3.125; 2.083; and 1.563 days. The result showed that the optimum removal were 60.60% for COD with detention time of 3.125 days, 60.17% for BOD with detention time of 2.083 days, 93.76% for TSS with detention time of 3.125 days, 89.02% for S with detention time of 3.125 days and 96.89% for total chrome wth detention time of 2.083 days.

Peningkatan kualitas air limbah terolah industri penyamakah kulit menggunakan taman tanaman air dengan tumbuhan bambu air