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      Horizontal Sub-Surface Flow Constructed Wetland Sebagai Upaya Menurunkan Kadar Air Lindi

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      Date
      2025
      Author
      Maulana, Andi
      Prasetya, Dimas Ardi
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      Abstract
      Peningkatan volume timbulan sampah menyebabkan terbentuknya air lindi yang mengandung polutan organik dan anorganik berbahaya. Penelitian dilakukan berdasarkan hasil pemantauan pada outlet IPAL Lindi Bersama Kota Bekasi yang menunjukkan kadar pencemar masih berfluktuasi, sehingga dibutuhkan pengolahan lanjutan yang ramah lingkungan. Penelitian bertujuan menilai karakterisitik outlet air lindi, perancangan optimalisasi pengolahan air lindi dan menilai Horizontal SubSurface Flow Constructed Wetland sebagai upaya peningkatan kualitas air buangan. Reaktor dirancang dalam skala prototipe dengan media berlapis kerikil, zeolit, dan tanah, serta dioperasikan secara batch selama 14 hari. Parameter yang dianalisis meliputi pH, BOD, COD, TSS, total nitrogen, dan logam berat (Hg dan Cd). Hasil penelitian menunjukkan parameter pH, TSS, total nitrogen, serta logam berat telah terjadi peningkatan kualitas air dan memenuhi baku mutu air nasional berdasarkan Lampiran VI Peraturan Pemerintah Nomor 22 Tahun 2021. Nilai COD dan BOD masih melebihi ambang batas seluruh kelas mutu air. Secara keseluruhan, sistem HSSF-CW menunjukkan efektivitas tinggi dalam penyisihan padatan tersuspensi dan logam berat, tetapi belum optimal dalam penguraian senyawa organik terlarut
       
      Increasing solid waste generation produces leachate containing hazardous organic and inorganic pollutants. The study was conducted based on monitoring data from the Bekasi City Central Leachate Wastewater Treatment Plant (IPAL Lindi Bersama), which addressed fluctuating pollutant levels by developing an environmentally friendly post-treatment system. The research aimed to assess leachate outlet characteristics, optimize treatment design, and evaluate a Horizontal Sub-surface Flow Constructed Wetland (HSSF-CW) for improving effluent quality. A prototype reactor with gravel, zeolite, and soil layers was operated in a batch system for 14 days. Parameters analyzed included pH, BOD, COD, TSS, total nitrogen, and heavy metals (Hg and Cd). Results showed that pH, TSS, total nitrogen, and heavy metals met national water quality standards (Government Regulation No. 22/2021), while COD and BOD exceeded limits. The HSSF-CW system effectively removed suspended solids and heavy metals but was less efficient in degrading dissolved organic matter
       
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      http://repository.ipb.ac.id/handle/123456789/171310
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      • UT - Environmental Engineering and Management [212]

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      Indonesia DSpace Group 
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