The Performance of Hybrid Constructed Wetland System for Treating Batik Wastewater
Erina Rahmadyanti 1  
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Universitas Negeri Surabaya
CORRESPONDING AUTHOR
Erina Rahmadyanti   

Universitas Negeri Surabaya
Publication date: 2020-04-01
 
J. Ecol. Eng. 2020; 21(3):94–103
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ABSTRACT
Batik industry is one of the Indonesian economic drivers. However, most of batik industries discharge their wastewater without any prior treatment in which endangering the environment. This research aims to investigate the ability of hybrid constructed wetlands (CWs) system using Canna indica in batik wastewater treatment. The parameters studied were chemical oxygen demand (COD), total suspended solid (TSS), and oil and grease (FOG) with 3, 5, and 7 days of hydaulic retention time (HRT). The results indicate that the hybrid constructed wetland system using Canna indica optimally gains the COD and FOG removal efficiency on day 3 at 89.61% and 89.53%, while TSS removal efficiency on day 5 at 98.74%. Despite the high removal efficiency, the effluents parameters remain below the standards for directly discharging into waterbodies. Therefore, future research is needed to investigate the appropriate pre/advanced treatment to be combined with the hybrid constructed wetland in batik wastewater treatment.