Kajian Penerapan Teknologi Membran pada Pengolahan Air Minum

Auliya, Virdiniya Rahmah (2021) Kajian Penerapan Teknologi Membran pada Pengolahan Air Minum. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Masalah yang umumnya terjadi di daerah pesisir Indonesia adalah tingginya kadar salinitas, termasuk TDS dan klorida. Tingginya kadar salinitas pada air menyebabkan air terasa asin (payau). Seperti yang terjadi di desa Tambak Cemandi, Kecamatan Sedati Kabupaten Sidoarjo. Kadar klorida pada sumur warga di desa Tambak Cemandi mencapai 3694,3 mg/L, kesadahan 2071 mg/L (CaCO3), dan bakteri coliform 7100 MPN/100 mL. Teknologi membran telah diterima dan berkembang pesat di seluruh dunia bukan hanya dalam pengolahan air tetapi juga dalam proses desalinasi. Membran RO menyumbang lebih dari 50% dari kapasitas global pabrik desalinasi yaitu sekitar 70 juta m3/hari. Hal ini menunjukkan bahwa teknologi membran mendominasi industri desalinasi dan pengolahan air payau.
Penelitian ini bertujuan untuk mengkaji konsep dasar, prinsip kerja, kelebihan dan kekurangan, serta penerapannya pada pengolahan air minum khususnya air payau. Studi kasus dilakukan untuk mengolah air sumur payau desa Tambak Cemandi menggunakan teknologi membran dengan skala kecil (debit 0,2 L/detik). Hasil kajian menunjukan bahwa membran RO dengan pra-pengolahan UF mampu mengolah kadar klorida, kesadahan, dan bakteri koliform sebesar 98%, 96%, dan 100% hingga memenuhi standar baku mutu air minum Permenkes No. 492 tahun 2010. Pengolahan mampu melayani 202 penduduk desa dan membutuhkan biaya operasi sebesar Rp. 1.198,00/orang/hari.
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High salinity water, containing high TDS and chloride, is a
common problem in coastal areas of Indonesia. Chloride content
in water causes water to taste salty. Occurred in Tambak Cemandi
Village, Sedati, Sidoarjo its groundwater has chloride content up to
3694,3 mg/L, 2071 mg/L (CaCO3), and total coliform 7100
MPN/100 mL. Membrane technology has been accepted and is
growing rapidly all over the world, not only in the water treatment
but also in water desalination process. RO membranes account for
more than 50% of the global capacity of the desalination plant
which is around 70 million m3
/day.
This study aims to examine the basic concepts, principles,
advantages, and disadvantages, as well as its application in
brackish water treatment for drinking purposes. This research was
conducted by literature review, secondary data analysis, and
application of case studies. The case study is applied to small scale
drinking water treatment (flow rate 0,2L/second) with brackish raw
water from groundwater in Tambak Cemandi Village where some
of the population do not have access to safe drinking water. The
study concludes that RO membranes with UF pre-treatment are
adequate to treat 98%, 96%, and 100% of chloride content,
hardness, and total coliform and fulfilled drinking water standard of
Indonesia Ministry regulation. The treatment is able to serve 202
people with operational cost Rp. 1.198,00/people.day.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Desalination, Drinking Water Treatment, Brackish Water Treatment, Membrane Technology, Reverse Osmosis. Desalinasi, Pengolahan Air Minum, Pengolahan Air Payau, Teknologi Membran, Reverse Osmosis.
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD259.2 Drinking water. Water quality
Divisions:	Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Environmental Engineering > 25201-(S1) Undergraduate Thesis
Depositing User:	Virdiniya Rahmah Auliya
Date Deposited:	09 Aug 2021 06:52
Last Modified:	09 Aug 2021 06:52
URI:	http://repository.its.ac.id/id/eprint/85242

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