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Journal > Seminar Nasional Teknik Kimia Kejuangan > Tekno-Ekonomi Sistem Membran Terintegrasi untuk Pengolahan Air Baku Campuran Air Payau dan Efluen STP

 

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Seminar Nasional Teknik Kimia Kejuangan
2016: Prosiding SNTKK 2016
Tekno-Ekonomi Sistem Membran Terintegrasi untuk Pengolahan Air Baku Campuran Air Payau dan Efluen STP
Widiasa, I Nyoman ( Jurusan Teknik Kimia, Fakultas Teknik UNDIP, Jl. Prof Sudarto, SH, Tembalang, Semarang)
Susanto, Asteria A. ( Jurusan Teknik Kimia, Fakultas Teknik UNDIP, Jl. Prof Sudarto, SH, Tembalang, Semarang)
Article Info   ABSTRACT
Published date:
20 Apr 2016
 
Recently, portable water supply is one of crucial problems in the world, including Indonesia because water is not a cheap natural resource. Saline waters such as brackish water, seawater, and wastewater have been used as alternative raw water sources to fulfil domestic and idustrial water demands. Water price higher than IDR 15,000 clearly indicate that treatment of brackish water and/or wastewater reuse is effective from cost point of view. This work is aimed to perform in-situ pilot test by involving user and investor directly. Moreover, technical and cost are analysed based on a case study, i.e. average production of 220,000 m3/year; water price of IDR 14,500/m3 that increase IDR 2,000 every two years. This water treatment plant requires capital cost of 3.5 billions rupiahs. The capital comes from bank loan with interest of 13% per annual. It is found that with contract duration of 10 years, net present value (NPV) is positive so that this investment is feasible.
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