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Ervin Nurhayati
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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.
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Articles 10 Documents
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Search results for , issue "Vol 11 No 1 (2010): Jurnal Purifikasi" : 10 Documents clear
STUDI AIR TANAH PADA AREA SEMBURAN LUMPUR LAPINDO SIDOARJO MENGGUNAKAN ISOTOP ALAM Satrio Satrio
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.179

Abstract

Groundwater age study has been carried out on mud eruption area in Sidoarjo using natural isotopes. The study was done in 2007 and 2009 by analyzing water samples from mud eruption area. The aim of the study was to identify water characteristics which seeped out from the mud eruption area. Origins of the water can be fossil water, groundwater, or sea water. The 18O, 2H, and d2H data, which were plotted together with d18O data of the water samples of 2007 (LUSI-1 and LUSI-2), showed that water from the center of mud eruption area had interacted with magmatic materials. Whereas, the water from LUSI-3 location which was collected about 300 m distance from the center of mud eruption area had an age of more than 40,000 years, which contained 13C, 18O, and 2H of 1.58o/oo, 5.28o/oo, and -17.5o/oo respectively. This matter indicated that the water was sea water fossil which interacted with magmatic materials. The water in LUSI-4 location had an age of 18,408 years, which contained 13C, 18O, and 2H of -10.5o/oo, 7.68o/oo, and -35.3o/oo respectively. These data indicated that the water was fresh water, which was not mixed with water from mud. The water age from LUSI-5 location was 14,237 years, and contained 13C, 18O, and 2H of -3.00o/oo, -0.25o/oo, and -21.1o/oo respectively. These data showed that the water was partially originated from the groundwater and dominated by mud water. The water age at MVKA location was 14,355 years, and contained 13C, 18O, and 2H of 2o/oo, 2.61o/oo, and -6.6o/oo respectively. This water was estimated as a mixture of mud water and intruded sea water. Plots of 18O, 2H, d2H and d18O, 14C data of water samples of 2009 showed that the water was dominated by groundwater, but the water from LUSI-11 sample was indicated as sea water.
PENGOLAHAN VINASSE DARI AIR LIMBAH INDUSTRI ALKOHOL MENJADI BIOGAS MENGGUNAKAN BIOREAKTOR UASB Soeprijanto Soeprijanto
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.180

Abstract

Distillery wastewater from ethanol fermentation has a high content of organic materials. Therefore, it can be used as raw materials for biogas production. The purpose of the experiment was to study the performance of Upflow Anaerobic Sludge Blanket (UASB) bioreactor to convert vinasse wastewater to biogas and other simple materials. A bioreactor was inoculated with 4 L sludge from a full-scale UASB bioreactor. The bioreactor was operated at a volume of 9 L. Vinasse was fed to the bottom of the bioreactor with a flow rate of 0.4 L/h using dosing pump. A variety of organic loading rates (OLR) applied were 5.49, 10.99, and 16.49 kg/m3.day respectively; and hydraulic retention time (HRT) of approximately 22 h. The results showed that the maximum COD removal was 61.59% and the maximum biogas volume was 4.59 L/day (3.28 L CH4/day) with OLR of 10.99 kg/m3.day. With OLR value of 5.49 kg/m3.day, a maximum CH4 content of 74.86%, CH4 yield of 0.11 m3 CH4/kg COD consumed, and a heating value of CH4 of 11,875 kcal/kg were achieved.
APPLICATION OF GRADUAL CONCENTRIC CHAMBERS REACTOR FOR LOW-COST DOMESTIC WASTEWATER TREATMENT Berlian Sitorus
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.181

Abstract

A reactor named gradual concentric chambers (GCC) was designed and evaluated at lab-scale. The system used a set of simple self-supporting containers assembled to create anaerobic and subsequent aerobic treatment of domestic wastewater. The effluent quality of the GCC reactor was compared with a lab-scale Upflow Anaerobic Sludge Bed (UASB) reactor which also treated the same wastewater. The results showed that both GCC and UASB reactors has good organic matter removal efficiency, i.e ± 90%, measured as Chemical Oxygen Demand (COD). The elimination of Total Kjeldahl Nitrogen (TKN) and Total Ammonia Nitrogen (TAN) in the GCC reactor were 57% and 61%, respectively. The final effluent of the GCC reactor had a low turbidity and is odorless due to the combination of anaerobic and aerobic conditions employed in the system. The recovery of biogas from the anaerobic treatment of the GCC compartment was about 20% of the expected volume, while 53% of biogas of the expected amount could be captured in the UASB.
PENGARUH PERUBAHAN TATA GUNA LAHAN TERHADAP PENINGKATAN ALIRAN PERMUKAAN: STUDI KASUS DI DAS GATAK, SURAKARTA Sudarto Sudarto; Muhammad Mukhlisin
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.182

Abstract

Floods and inundation have commonly occured in Surakarta city when rainfall intensity was high. This was due to the rapid change of land use. Based on this situation, this research was carried out for determining the influence of land use change in Gatak watershed. This watershed is located in the upper region of Surakarta city. The increasing surface runoff from Gatak area increases the flow discharge into Surakarta city. Results of this study showed that the land use of Gatak watersheds had rapidly changed from year 2001 to 2007. During this time period the land use change was about 9.95% from the total catchment area of 1152.97 hectares. The land use change had increased the surface runoff coefficient (C), from 0.286 in 2001 to 0.307 in 2007. Analysis of maximum discharge by using Rational Method and field observation showed the same trend. Similar rainfall intensity levels during 2001 and 2007 resulted in higher discharge flows in 2007 than those in 2001. If compared to the situation in early 2001, when flood did not occur, the increase of discharge has caused flood and inundation in these recent years.
LIFE CYCLE ASSESSMENT PADA SISTEM PENGELOLAAN SAMPAH DI WILAYAH SARBAGITA, BALI Made Gunamantha
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.183

Abstract

The requirement of reliable and scientific based data with more information has induced requirement of decision making tool for solid waste management. This study used life cycle assessment (LCA) methodology as environmental analysis tool for comparing different scenarios for municipal solid waste management. The scenarios which were considered in this study included: landfilling without energy recovery as a representative of existing solid waste management, landfilling with energy recovery, combination of incineration and anaerobic digestion, combination of gasification and anaerobic digestion, direct incineration, and direct gasification. A case study in SARBAGITA region in the Province of Bali is discussed. One tonne of treated solid waste was defined as a functional unit of the systems studied. The Life Cycle Inventory (LCI) analysis was done by including field and laboratory survey to characterize solid waste in area study and using emission factors which were adopted from literature to estimate environmental burdens for each scenario. The inventory results were classified into impact categories, i.e. global warming, acidification, eutrophication, and photochemical oxidant formation. The indicators of categories were quantified by using the equivalence factors of relevant emissions to determine the potential of environmental impact in each scenario. Results of the study showed that in all of the impact categories, the direct gasification scenario had the best environmental profile. A sensitivity analysis was also conducted to examine changes in outcomes of a variety of organic bio-waste inputs, which had no significant effect on the overall results.
APLIKASI MEMBRAN JENIS SPIRAL-WOUND PADA PENGOLAHAN LIMBAH CAIR SEKUNDER Subriyer Nasir
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.184

Abstract

Study on secondary effluent treatment from Kwinana Water Reclamation Plant (KWRP), Western Australia, was done in small scale Reverse Osmosis (RO) system with a capacity of 2000 L/d. The RO system was equipped with two spiral wound membrane module. Effect of operating pressures and build-up of sodium and calcium ions on membrane surface were important subjects in this research. Results of this study showed that permeate flux, rejection percentage of Total Organic Carbon (TOC) and Total Dissolved Solids (TDS) were significantly affected by operating pressure. However, percentage of water recovery could be achieved only around 48% at an operating pressure of 3250 kPa.
STUDI PENGARUH WAKTU PENGENDAPAN DAN KONSENTRASI AWAL PARTIKEL PADAT LIMBAH DARI OUTLET FLOKULATOR TERHADAP EFISIENSI PENGENDAPAN LIMBAH PADA SISTEM UTILITAS PUSRI-III Sri Haryati
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.185

Abstract

Sludge from flocculator outlet of PUSRI-III settles along the channel and generates a problem in wastewater treatment. Aims of this research were to obtain sedimentation characteristics and variables which influenced sedimentation efficiency and to minimize slurry flow into the biological pond. This research was conducted using vertical sedimentation steel column of 10 inch diameter and 4.50 m long. A 0.50 inch valve was installed as sampling tool along the pipe in every 500 mm distant. Settling efficiency was measured at retention time range of 10-50 minutes using initial concentrations of solid particles of 400, 420, 440, 460, and 480 mg/L. Results of this study showed that settling efficiency could reach 60%-80% in retention time range of 20-40 minutes. Sedimentation rate of solid particles was not significantly influenced by the variation of initial concentration of solid particles. Results from this research can be used as a reference for sedimentation column design at flocculator outlet.
BIOFILTRASI N2O DENGAN MEDIUM FILTER BERBASIS KOMPOS: EVALUASI PARAMETER OPERASI Tania Surya Utami
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.186

Abstract

Nitrous oxide (N2O) is a pollutant that has to be reduced because it contributes global warming effect of 310 times higher than CO2. On other hand, agricultural sector contributes over 50% of N2O emissions. The objectives of this research were to study the influence of operating parameters such as flow rate, water content, the addition of natural and synthetic nutrients, and Nitrobacter sp. in biofilter, which used compost medium, to the removal efficiency of N2O. The results showed the best N2O reduction efficiency was 76.9%. This result was obtained at the biofilter with compost medium, which is enriched with synthetic nutrients and inoculated with Nitrobacter sp. This biofilter had a medium height of 50 cm, N2O flowrate of 72 mL/min, and water content of 60%.
KAJIAN MUTU ARANG HASIL PIROLISIS CANGKANG KELAPA SAWIT Abdul Gani Haji
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.187

Abstract

Oil palm shell waste has a hard structure and is difficult to biodegrade. Pyrolisis is a suitable and profitable technique for destruction of this waste. Using this technique, the oil palm shell waste can be degraded quickly and the product can be used for various purposes. The aim of this research was to find out the quality of charcoal as a pyrolysis product of the oil palm shell waste. The pyrolisis took place about 5 hours in a drum reactor, which was equipped with temperature controller device of thermocouple brand. The structure of charcoal product was characterized by Furier Transform Infra Red (FTIR) and Scanning Electron Microscope (SEM). The chemical composition was identified by py-GCMS. The average charcoal product was 38.81% (w/w). The charcoal contained 4.02% of water, 20.44% of fly materials, 17.46% of ash, 62.10% of fixed carbon, and calorific value of 6,118 calories/g. The FTIR analysis showed that the charcoal contained -OH, -C=O, and -C-H aromatic functional groups. Results of SEM analysis indicated that the charcoal had many pores, which were covered by impurities. The py-GCMS identified that the charcoal was composed of 25 compounds. Since quality standards for this type of charcoal was not available, it was compared to the quality standards of coconut shell charcoal powder according to SNI-06-4369-1996. It was found that the palm shell charcoal quality was low. However, based on the characterization results, it would still be profitable to produce briquettes and active carbon from the palm shell charcoal.
DAYA SANGGA TANAH TERHADAP KADMIUM SERTA PENGARUH PENAMBAHAN SISA TANAMAN TERHADAP PERTUMBUHAN DAN PRODUKSI PADI VARIETAS IR-64 Katharina Oginawati
Purifikasi Vol 11 No 1 (2010): 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.v11.i1.188

Abstract

A study on soil buffering capacity to cadmium and addition of paddy hay, and the effects on paddy (IR-64 variety) growth and production has conducted in a green house of Environmental Engineering Laboratory of ITB and Bogor Research Center and Development for Food Crop. Latosol soil from Ciparay, South Bandung Regency was used in this research. The aim of the research was to investigate the buffering capacity of the soil to cadmium and the effects of paddy hay addition of 10 tonnes/acre on rice growth and productivity. Statistical method used is group random design with eight treatment combinations and three repetitions. Advanced test was then employed by using Duncan’s Multiple Range Test (DMRT) in 5% level. Treatments given were different concentration levels of cadmium in the water which would be applied to the plants. These concentrations were A0 (0 mg/L), A1 (0,12 mg/L), A2 (0,50 mg/L), and A3 (10 mg/L). Whereas treatment of paddy hay addition were: control (B0) and 40 g in every treated pot (B1). The results showed that latosol soil had a good buffering capacity to cadmium (99,77% without paddy hay addition) and better result with paddy hay addition (99,86%) at 10 mg/L cadmium treatment. Addition of paddy hay with cadmium concentration treatments did not significantly affect the production of IR-64 variety paddy.

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