Potensi Beberapa Hidromakrofita Lokal untuk Meningkatkan Kualitas Air Lindi Tempat Pemrosesan Akhir Sampah Talangagung, Kecamatan Kepanjen, Kabupaten Malang
DOI:
https://doi.org/10.21776/ub.biotropika.2016.005.01.1Abstract
Tujuan penelitian ini adalah menentukan potensi hidromakrofita lokal sebagai agen fitoremediasi air lindi Tempat Pemrosesan Akhir (TPA) Sampah Talangagung Kecamatan Kepanjen Kabupaten Malang. Penelitian ini merupakan eksperimen dengan Rancangan Acak Lengkap (RAL) menggunakan lima perlakuan hidromakrofita lokal, yaitu kontrol (tanpa hidromakrofita), Ludwigia adscendens, Alternanthera sessilis, Typha angustifolia, dan polikultur ketiganya pada 25% air lindi dengan lima kaliulangan. Setiap perlakuan diinkubasi selama 30 hari di rumah kaca. Kualitas air lindi yang diamati adalah DO, turbiditas, nitrat, ortofosfat, dan BOD yang dipantau setiap enam hari sekali. Data tiap parameter dianalisis dengan uji beda antar waktu pantau pada masing-masing perlakuan. Semua hidromakrofita perlakuan mampu meningkatkan kualitas air lindi, yang ditandai dengan peningkatan nilai DO serta penurunan turbiditas, nitrat, ortofosfat, dan BOD. Hidromakrofita L. adscendens, T.
angustifolia, dan polikultur (polikultur ketiga jenis tanaman) mampu menurunkan konsentrasi nitrat, ortofosfat, dan BOD sejak hari ke-12, sedangkan hidromakrofita A. sessilis sejak hari ke-18.
Hidromakrofita A. sessilis mampu menurunkan 73,8% konsentrasi nitrat pada hari ke-30 dan 68,4%Â konsentrasi ortofosfat pada hari ke-24. Penurunan BOD (61,4%) terbesar ditemukan pada perlakuan
hidromakrofita L. adscendens dan T. angustifolia hari ke-30
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