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All Journal Journal of Regional and City Planning Jurnal Ilmiah Arena Tekstil
Suprihanto Notodarmodjo, Suprihanto
Teknik Lingkungan, Fakultas Teknik Sipil dan Lingkungan, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132
Humanities Civil Engineering, Building, Construction & Architecture Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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DEKOLORISASI FOTOKATALITIK ZAT WARNA REMAZOL BLACK 5 DENGAN MENGGUNAKAN NANOPARTIKEL TiO2 DAN Ag YANG TERIMMOBILISASI PADA NANOFIBER SELULOSA BAKTERIAL (SB) Gustiani, Srie; Notodarmodjo, Suprihanto; Syafila, Mindryani; Radiman, Cintya L.
Arena Tekstil Vol 29, No 2 (2014)
Publisher : Arena Tekstil

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Abstract

Pada penelitian ini, dilakukan studi terhadap penyisihan zat warna reaktif  Remazol Black 5 (RB 5) pada aplikasi proses fotokatalitik menggunakan katalis Ag dan TiO2 terimmobilisasi pada permukaan nanofiber selulosa bakterial (SB). Metode penelitian meliputi percobaan untuk memperoleh nilai optimum dari pH, jumlah Ag dan TiO2 serta untuk mengevaluasi efisiensi penyisihan warna yang optimum.  Pada proses pengolahan RB5, digunakan reaktor fotokatalitik selulosa bakterial (SB)/Ag/TiO2 didesain dalam skala laboratorium pada sistem batch, konsentrasi warna limbah buatan 10, 30 dan 50 mg/L, intensitas lampu UV 4,5 W/cm2 selama 120 menit. Dari hasil pengolahan RB 5,  diperoleh pH optimum 11, konsentrasi warna 10 mg/l dan jumlah katalis Ag dan TiO2 optimum 3,85 mg/cm2. Efisiensi penyisihan warna optimum diperoleh sebesar  98,4%.
Faktor Lingkungan Dalam Estimasi Biaya Infrastruktur Air Bersih: Tinjauan Terhadap Perkembangan Studi Empiris Maryati, Sri; Chatib, Benny; Widiarto, Widiarto; Notodarmodjo, Suprihanto
Journal of Regional and City Planning Vol 17, No 3 (2006)
Publisher : Center for Research and Community Services ITB

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Investment and operation of water infrastructure is expensive. In order to prevent the failure of investment and operation caused by unpredictable cost, cost estimation before the development of water infrastructure is very important. Theories and concept in water supply engineering show that environmental condition has an important role in determining cost variation of water infrastructure. This article explores to what extent environmental condition was considered in empirical cost studies. It reveals that environmental condition has not been considered comprehensively in empirical cost studies, especially cost estimation studies.Keywords: water infrastructure, cost estimation, environmental condition
Co-Authors Chatib, Benny Cintya L. Radiman, Cintya L. Mindryani Syafila, Mindryani Sri Maryati Srie Gustiani, Srie Widiarto Widiarto, Widiarto