Abstract
Industrial waste pollution from the upstream of the Bengawan Solo river, makes the river's quality unfit for various purposes. Water filtering needs to be done first to improve its quality. One of them is the absorption process. One of the adsorbents that have good prospects is rice husk waste because of its ability to bind the adsorbate components. Study related to the effectiveness of rice husk charcoal as a water filter material need to be carried out before it can be used as a water filter material. Making appropriate filter technology needs to be done to apply it. The results of the analysis show that the filter can improve the physical parameters of water, namely reducing the residue by 25% on average. Meanwhile, from inorganic chemical parameters, only DO (Dissolved Oxygen) elements have decreased in quality standards. The organic chemical parameters, namely the phenol content are relatively constant, this indicates that rice husk charcoal is not effective in binding phenols. Based on Government Regulation No. 82 of 2001, the filtered water is classified as Class I. However, in its use, other parameters that have not been studied should be studied, namely microbiology, other organic chemistry, radioactivity, etc.The technological capacity needs to be increased by the use of a larger body and or a reduction in the thickness of the filter layer. Meanwhile, the manufacture of rice husk charcoal should use controlled combustion mechanisms and or husk charcoal activation with the chemical Na OH to strengthen the properties of the husk charcoal adsorbent against harmful chemical compounds.
Highlights
Industrial waste pollution from the upstream of the Bengawan Solo river, makes the river's quality unfit for various purposes
The results of the analysis show that the filter can improve the physical parameters of water, namely reducing the residue by 25% on average
Majalah DasarDasar Teknik Kimia, Pusat penelitian kimia-lembaga ilmu pengeathuan indonesia (PUSPITEK)
Summary
Sumberdaya air di Kabupaten Blora menjadi permasalahan utama yang terus menerus belum terselesaikan baik untuk kebutuhan irigasi atau air bersih. Yaitu sungai, yang mencakup hampir 35% cadangan sumber air di Kabupaten Blora belum dimanfaatkan secara optimal, kalaupun langsung dimanfaatkan mempunyai kualitas yang tidak layak karena pencemaran limbah. Sekam padi dapat digunakan sebagai adsorben karena selulosa dan hemiselulosa mempunyai potensi yang cukup besar untuk dijadikan sebagai penyerap yang memiliki gugus OH yang terikat sehingga dapat berinteraksi dengan komponen adsorbat. Limbah sekam padi belum dimanfaatkan secara maksimal padahal merupakan bahan baku potensial yang dapat dikembangkan sebagai bahan untuk penyaringan air untuk meningkatkan kualitas air (Thorbun, 1986 dalam Wahyuni dan Betty, 2008). Berdasarkan latar belakang masalah tersebut, maka rumusan masalahnya adalah : seberapa efektif arang dari limbah sekam padi bisa memperbaiki kualitas air baku dari Sungai Bengawan Solo? Pemanfaatan sekam padi perlu diaplikasikan dalam bentuk teknologi filter sederhana untuk memperbaiki kualitas air baku dari Sungai Bengawan Solo. Melakukan kajian / analisa perbandingan kondisi kualitas air sebelum dan sesudah disaring
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