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Ervin Nurhayati
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purifikasi@gmail.com
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Department of Environmental Engineering, ITS Campuss, Sukolilo, Surabaya, Indonesia
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INDONESIA
Jurnal Purifikasi
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 14113465     EISSN : 25983806     DOI : -
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Environmental Science
Jurnal Purifikasi was published since January 2000 by Division of Journal Purifikasi Department of Environmental Engineering-Faculty of Civil, Environment and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya in collaboration with the Association of Indonesian Sanitary and Environmental Techniques (IATPI) East Java. Jurnal Purifikasi is published twice a year in July and December, covers topics on technology and management related to environmental engineering field.
Arjuna Subject : -
Articles 15 Documents
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Search results for , issue "Vol 8 No 2 (2007): Jurnal Purifikasi" : 15 Documents clear
PEMILIHAN ALTERNATIF PERBAIKAN KINERJA LINGKUNGAN PRODUK LAMPU BERBASIS SIMAPRO-5 DENGAN METODA LIFE CYCLE ASSESSMENT (LCA) DAN ANALYTICAL HIERARCHY PROCES (AHP) Udisubakti Ciptomulyono; Dewi Hajar
Purifikasi Vol 8 No 2 (2007): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Environmental and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v8.i2.130

Abstract

Life Cycle Management (LCM) is a framework of concepts, techniques and procedures concerned to an environmental management of products and organizations in achieving continuous environmental improvement viewed from life cycle perspective. One tool in LCM approach is Life Cycle Assessment (LCA) which consists of a method to quantify environmental impacts associated to products or activities throughout their life cycle, begins with extraction of raw materials, proceeds through production and use, ends to waste treatment (from cradle to grave). This research deals with analysis of LCA for products of Fluorescent Lamp of 20 Watt. The research question exposed is how to evaluate the best alternative to improve environmental performance among many strategies designed on LCA results. Due to in the real system, environmental consideration is not the only one criteria used for decision making, this research proposes to takes into account for multi criteria evaluation in selection of the best strategy such as criteria of investment cost, corporate image etc, to do so the method of AHP (Analytical Hierarchy Process) is proposed to apply. In order to evaluate the environmental impact associated the process throughout the life cycle the product, existing database built in SimaPro-5 software. This research concludes that the strategy of “product take back” principle is the best solution in order to achieve the optimal environmental performance.
ANALISIS ALIRAN SAMPAH PLASTIK SEBAGAI PENENTU KEBUTUHAN KAPASITAS INFRASTRUKTUR DAUR ULANG DI KOTA BANDUNG Benno Rahardyan
Purifikasi Vol 8 No 2 (2007): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Environmental and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v8.i2.131

Abstract

The generation of plastic wastes in Bandung’s society is about 86300.37 kg/day. The reduced amount of it is only a few. The aim of this research is to determine the recycling infrastructure capacity in Bandung City. This research used interview and observation methods. Capture rate of plastic waste in Bandung is 41,55% from all plastic waste that generated by Bandung’s City, it means recycling activity of plastic waste has not yet reached its full potential because the sources don’t do separation. The capacity of infrastructures that are built for each location wilayah (Bandung Barat, Bandung Tengah and Bandung Timur), by making an assumption that it is 100% optimized, are 150,25 m3/day, 321,35 m3/day, and 141.49 m3/day. While by making assumptions, for 50% optimized and 60% optimized, the capacity of infrastructure in West Bandung and East Bandung are 0 m3/day and 0 m3/day, because the available infrastructure is enough. For Central Bandung are 14589,61 m3/day (50% optimized) and 24083,77 m3/day (60% optimized).
STUDI KETERSEDIAAN PRASARANA AIR BERSIH DAN SANITASI DI PERMUKIMAN PADAT KOTA JEMBER Yeny Dhokhikah
Purifikasi Vol 8 No 2 (2007): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Environmental and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v8.i2.132

Abstract

Kabupaten Jember terletak pada ketinggian kurang lebih 89 meter dari permukaan air laut dengan luas area 9.897,83 Ha (BPS Jember, 2005). Jumlah penduduk di Kabupaten Jember adalah 2141467 jiwa, dengan pertumbuhan penduduk + 0,71% per tahun. Kepadatan penduduk di wilayah perkotaan cukup tinggi yaitu rata-rata 3767 jiwa/km2. Sebagian peduduk di perkotaan Jember bertempat tinggal di kawasan permukiman padat yang cenderung memiliki lingkungan yang kurang terpelihara dan penyediaan prasarana dasar yang terbatas. Penelitian ini memaparkan isu ketersediaan prasarana air bersih dan sanitasi serta memaparkan model pengelolaannya. Pemecahan masalah ketersediaan prasarana dasar permukiman perkotaan yang padat adalah meningkatkan partisipasi masyarakat, sehingga tumbuh kesadaran akan pentingnya kesehatan dan kualitas lingkungan. Upaya penyediaan prasarana air bersih dan sanitasi yang sesuai kebutuhan merupakan hal yang sangat penting untuk mencegah pencemaran lingkungan. Untuk itu, strategi dan langkah yang tepat sebaiknya bertumpu pada masyarakat guna peningkatan pelayanan air bersih dan sanitasi.
A DEVELOPMENT MODEL OF FUZZY GOAL PROGRAMMING FOR REGIONAL RIVER WATER QUALITY MANAGEMENT Udisubakti Ciptomulyono
Purifikasi Vol 8 No 2 (2007): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Environmental and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v8.i2.133

Abstract

This paper proposes a development of Fuzzy Goal Programming model with imprecise information goal for optimizing the regional water quality management. Imprecision is associated with fuzziness which is non-statistical in nature and refers to the absence of sharp boundary in the information. Imprecise standards in environmental management objective could be represented by fuzziness functions. The objectives of management to be achieved in this model are categorized as: (i) Environmental objectives i.e. to maintain an ambient water quality in two parameters and standards, BOD(Biochemical Oxygen Demand) and DO (Dissolved Oxygen) closed to desired stream standard goal and to achieve an improvement sanitation program target;(ii) Economic objective i.e. to minimize the total cost of removing residual by an alternatives waste of treatment systems. The model of "Streeter Phelps" is adopted to represent the ecological relationship between organic pollutant loading and fluctuated water quality. Then fuzzy goal programming is developed as one of Multi Criteria Decision Making (MCDM) approach to "optimize" the objectives of decisions, in order to calculate how many pollutant should be removed at each system. The solution of the model provides a way of trade off analysis between attainment of objectives and useful imprecise information to the decision maker of environmental planning
AMMONIA REMOVAL BEHAVIOR IN THE DOWNFLOW HANGING SPONGE BIOREACTOR Izarul Machdar
Purifikasi Vol 8 No 2 (2007): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Environmental and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v8.i2.134

Abstract

Ammonia removal behavior in the DHS has been studied extensively including apply a DO microelectrodes and a gold method of microbial identification, i.e. Fluorescence In Situ Hybridization (FISH) approach by means of 16S rRNA-targeted oligonucleotide probes. With the HRT of 2 h, the ammonia removal rate in the bioreactor was achieved 0,24 kgN.m-3.d-1, and nitrogen-losing rate was approximate 0,08 kgN.m-3.d-1. Moreover, the most important of this system is no requirement external aeration input. FISH of the DHS sludge revealed that nitrifiers could be detected with Nso190, NSR1156, or NIT3 probe, form dense clusters, and they mainly settled in the surface region of the heterotrophic aggregates. Ammonia oxidizers and nitrite oxidizers grown in DHS sludge in separated solitary occurrence. Nitrospira spp. were more likely responsible to oxidize of nitrite rather than Nitrobacter spp.

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