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Energy Diversification for Self Improvement of water quality Bayu Parlinto, University of Indonesia, Jakarta, Indonesia. Iwa Garniwa, Technical Faculty, University of Indonesia, Depok, Indonesia Prijono Tjiptoherijanto, Economy Faculty, University of Indonesia, Depok, Indonesia & Muhammad Hasroel Thayib, Environmental Science Graduate Program, University of Indonesia, Salemba, Indonesia Abstract Land use changes on the upstream side of West Tarum channel contributed to the water quality decline on downstream side, thus the Jakarta’s water purification installation located on the downstream need to make an effort to improve/control the raw water quality. The raw water quality control concept on downstream side is done by reformulation modeling concept of an integrated gradual reduction on water utilization as material and as energy. Reformulation of water function as a matter and an energy in West Tarum Barat channel is done by gradual reduction integrated the input water quality by optimization the potential energy and savings the fossil fuel consumption and carbon emission reduction. Self water quality control modeling on the West Tarum channel with energy diversification program will support the clean development mechanism program of Kyoto Protocol by the reduction of CO 2 emissions and according to principles of environmentally sustainable development. Keywords—Water quality control, energy diversification, modeling. I. INTRODUCTION Water in the West Tarum channel (WTC) is a raw water of Jakarta’s purification installations that have water source from Jatiluhur dam and local rivers as Cibeet river, Cikarang river and Bekasi river. Debit of water discharge in the West Tarum channels adjusted to the needs of the raw water from the Jakarta’s water purification installation (maximum debit Jakarta water purification installation is 16.1 m 3 /second), while the water quality is greatly influenced by the quality of addition water from local rivers and land use in upstream side. Land use changes and community activities in the upstream side and along the West Tarum channels have a negative impact on the quality of raw water, however, several locations along the West Tarum channel has a potential energy that can be utilized to the energy diversification program. Submitted November 1, 2012. This paper is a researched how to improve the raw water quality at downsteam of West Tarum channel before being processed into clean water in water treatment plant. Figure 1. Basic Environmental philosofy www.theinternationaljournal.org > RJSITM: Volume: 02, Number: 02, December-2012 Page 34
Based on basic environmental philosof on figure 1, can the quality of raw water in the West Tarum channel controlled and self managed so the quality of that raw water as required by the Government Regulation of the Republic of Indonesia number 82 year 2001 through the diversification of energy? The basic philosophy of seft-improving the quality of raw water in the West Tarum channel through diversification of energy can be described according to Figure 2. Figure 2. Basic philosofy of diversifikasi energi for self improvement of water quality 1.1. Research objective The research objective is to perform modeling of the raw water quality control on the downstream side of the West Tarum channel through diversification of energy with a mathematical approach, and also to know the potential energy and CO 2 emission reduction accordance of the principles of environmentally sustainable development. 1.2. Study Area The research was done at the West Tarum channel (WTC) from the Curug weir in Purwakarta, West Java to Cawang intake and pumping station located in Halim Perdana Kusuma, East Jakarta. It was done in November 2011 until the end of January 2012. 1.3. Population and Sampling This study use quantitative methode, but the type of data used consisted of qualitative data (secondary data on population, interviews and observations of the surrounding community) and quantitative data (observations of buildings / facilities, measurement parameters, utilization statistics related and others secondary data supporters). Population in the study were all data sources including the public / users of public facilities at along the West Tarum chanell, begin from Curug weir, Purwakarta, up to Cawang Intake dan Pumping station at Halim Perdana Kusuma in East Jakarta, The number of social samples are 57 person which can be representative the actual condition and number of water quality sample are 10 location as location mention in secondary data which state by West Tarum Chanell authority (Curug weir, BTB-10, BTB-23, BTB-35, BTB-45, BTB-49, BTB-51, Buaran Intake, Pulogadung Intake, Pejompongan Intake). 1.4. Formulas and Analytical Methods The electrical energy can be generated by the flow of water in the West Tarum channel will be proportional to water flow rate and head of water. Theoretical the potential power and energy can be generated as formula: www.theinternationaljournal.org > RJSITM: Volume: 02, Number: 02, December-2012 Page 35
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