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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.
Arjuna Subject : -
Articles 385 Documents
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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.
TIMBULAN, KOMPOSISI, DAN POTENSI DAUR ULANG SAMPAH DARI BERBAGAI SUMBER DI KOTA PADANG Yenni Ruslinda
Purifikasi Vol 11 No 2 (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.i2.189

Abstract

Data of generation, composition, and recycling potential of solid waste are needed for designing, evaluating, and developing municipal solid waste (MSW) management system in a particular region. From this research, it was found that the average residential solid waste generation rates in Padang was 2.66 L or 0.38 kg/person×day, and that of commercial sources was 3.82 L or 0.52 kg/person×day. The solid waste generation rate of institutional sources was 1.37 L or 0.11 kg/person×day, and that of industrial sources was 6.57 L or 5.06 kg/person×day. The municipal services contributed solid waste of 1.80 L or 0.19 kg/person×day. Solid waste composition from several sources in Padang consisted of biodegradable organic waste of 25-83%, and plastic, paper, metal and other solid waste materials of 17-75%. The main source of biodegradable organic waste was municipal services (82.85%), whereas other waste materials were generated from industrial waste (75.37%). Waste components that have a potential to be recycled are food wastes, yard wastes, wood, paper, plastics, glass, tin cans, copper, zinc, and metal. The MSW recycling potential was 59-89%, and those of biodegradable organic waste and other waste materials were of 22-78% and 11-55% respectively. The highest recycling potential of biodegradable organic waste was from municipal services and institutional sources, whereas that of the other waste materials was from commercial, domestic, and industrial sources.
PENENTUAN REFERENCE VALUE DAN KANDUNGAN KADMIUM TANAH PADA AREAL PERTANIAN DI KECAMATAN PONTIANAK UTARA Rini Susana
Purifikasi Vol 11 No 2 (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.i2.190

Abstract

This research is aimed to find out total cadmium content in soil at various usage of agricultural land areas at Sub-district North Pontianak and to determine the reference value of cadmium in agricultural soils. Thirty soil samples were collected using purposive sampling technique. Sample collection was carried out through composite technique. The samples were taken on surface soil layer at 0-20 cm deep. Interview was done to determine the duration of land usage and application of chemicals in farming input activities. Respondents were determined randomly to farmers of 4 kinds of farm land uses (paddy, vegetables, papaya and Aloe vera). Each group of farmers comprised 10 respondents. Analysis of soil samples of this research covered: texture, organic matter and total cadmium content. Data analysis was performed using descriptive analysis. The results showed that the reference value of cadmium ranged from 1.10 to 2.46 mg/kg. The reference value of peat soil higher than that on alluvial. Total cadmium content of agricultural land areas in Sub-district North Pontianak ranged from 0.009 to 0.601 mg/kg, which was still below the maximum reference value. Sources of cadmium in peat soil are fosfat fertilizer and wood ash applications. Wood ash is applied for improving soil pH. The presence of cadmium in aluvial soil is predicted from river sediment.
EVALUASI UNIT PENGOLAHAN AIR MINUM INSTALASI PDAM RAWA LUMBU 4, BEKASI Djoko M. Hartono
Purifikasi Vol 11 No 2 (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.i2.191

Abstract

Public water supply company (PDAM) Rawa Lumbu is a water treatment plant which serves the needs of drinking water in Bekasi with a total production capacity of 260 L/sec. This total production capacity is divided into three smaller units. One of those is steel plate installation with a capacity of 2×100 L/sec, which was built in 2005. As one of drinking water provider, PDAM Rawa Lumbu is demanded to be able to provide safe drinking water that meets national water regulation PERMENKES 907/MENKES/SK/VII/2002. Method of evaluation consisted of 2 step activities. The first step was primary and secondary data collection, site/field observation and discussion with PDAM Rawa Lumbu management for determining existing condition and evaluation stages. The second step was evaluation on treatment plant efficiency in reducing raw water pollutans. Evaluation on the water treatment plant efficiency in reducing water impurities showed that Rawa Lumbu water treatment plant had a good turbidity removal efficiency of 97-99%. Besides, evaluation on unit process dimension with a current flow rate of 68 L/sec and designed flow rate of 100 L/sec, showed that it still had a good performance. However, it performed an actual maximum flow rate of 91 L/sec. The current reservoir can only accommodate a maximum flow rate of 106.41 L/sec.
DEKOMPOSISI SAMPAH BAHAN ORGANIK RUMAH TANGGA MENGGUNAKAN CACING TANAH JENIS Eisenia fetida DAN Lumbricus rubellus Soekmana Soma
Purifikasi Vol 11 No 2 (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.i2.192

Abstract

The use of earth worms for composting organic agriculture waste, or vermiculture, has been known since early civilization. The vermiculture process for organic waste from domestic and commercial sources has been investigated only recently. The objective of vermiculture utilization is to search solution of domestic and industrial waste problems. In this study two species of worms, namely tiger worms and red worm, were used as decomposers of household wastes. These two kinds of worms converted the household wastes into vermicompost and vermicasting. The most efficient conversion was found in hardbox decomposition (70%), kitchen wastes (66%), mixed fruits and vegetables (58%), and the least was garden leaves (56%).
INTENSIFIKASI PROSES OZONASI FENOL MENGGUNAKAN KAVITASI HIDRODINAMIKA DAN KAVITASI ULTRASONIK Eva Fathul Karamah
Purifikasi Vol 11 No 2 (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.i2.193

Abstract

Phenolic compounds are one of the main and hazardous contaminants in the waste water due to its toxicity, even at low concentration. Several wastewater treatment processes have been tested for reducing phenol concentration. One of the treatment processes is ozonation. However, this process has several problems, namely the small solubility of ozone in water and the low reactivity between ozone and phenol. This problem can be solved by cavitation, a phenomenon of formation, growth, and collapse of microbubbles within a liquid. This research studied the performance of ozonation and cavitation (hydrodynamic and/or ultrasound) for phenol degradation. The combined ozonation/hydrodynamic cavitation/ultrasound cavitation process showed the highest efficiency in phenol degradation, and the lowest residual and off gas ozone concentrations. The phenol removal efficiencies in ozonation/hydrodynamic cavitation/sonication, ozonation/sonication, ozonation/hydrodynamic cavitation and ozonation processes were 56.27%, 46.46%, 26.28%, and 18.63% respectively.
PRODUKSI BIOGAS DARI ECENG GONDOK Yulinah Trihadiningrum
Purifikasi Vol 11 No 2 (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.i2.194

Abstract

Water hyacinth (Eicchornia crassipes) has high cellulose and hemicellulose contents and low lignin content. Therefore, water hyacinth biomass is very potential to be used as raw material for bioenergy production. This water weed is commonly found in eutrophied rivers and water channels, or harvested from waste water treatpent lagoons. This research is aimed to collect data and information on water hyacinth potential in producing bioenergy in the forms of biogas. This research is also aimed to determine the optimum condition for biogas productions, particularly the pretreatment methods and water hyacinth slurry and biostarter ratios. Research on biogas production was initiated by testing two types of biostarters. The intestine of terestrial snail and cow faeces were applied in different anaerobic reactors, which contained water hyacinth slurry. The best biostarter was selected for biogas production in anaerobic reactors at different water hyacinth slurry and biostarter ratios of 75/25, 50/50, and 25/75. Control reactors, which contained water hyacinth slurry, and other control reactors, which contained biostarter solution, also prepared. Optimum condition which can be recommended for biogas production from water hyacinth is as follows: water hyacinth slurry with COD value of 5000-6000 mg/L is mixed with cow faeces at water hyacinth slurry and biostarter ratio of 75/25, and retention time of 20 days.
KEADAAN LINGKUNGAN FISIK RUMAH PENDERITA TUBERKULOSIS PARU DI KECAMATAN TANGGULANGIN KABUPATEN SIDOARJO Sudarso Sudarso
Purifikasi Vol 11 No 2 (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.i2.195

Abstract

Most of infectious diseases are influenced by physical, biological, chemical, economical, and cultural environmental factors. One of infectious diseases in Indonesia, which has not been able to be eliminated, is tuberculosis. The incidence rate of tuberculosis in Indonesia is 583.000 cases/year. This disease can kill 140.000 patients nationally per year, and has become the second death cause after heart disease. The sanitation condition of lung tuberculosis patient houses was improper, particularly the humidity, air temperature, ventilation, and dweller density. The number of tuberculocis cases in Tanggulangin District was 50, the highest when compared to those of other Districts. This situation revealed that the sanitation condition of the tuberculosis patient houses in this District did not meet the health criteria. Therefore, this research was focused on the influence of physical condition of houses to lung tuberculosis incidence in Tanggulangin District, Sidoarjo. This research was designed it use observational case-control approach. Data analysis was done using Chi-square, Two-sample, and Mann Whitney Tests. The Ratio Odds values concluded that the dweller density, natural lighting condition, ventilation, and humidity influenced the tuberculosis incidence in the study area. Temperature theoretically influenced the pathogen’s growth. However, this research showed that temperature did not give effect on tuberculocis incidence in the study area.
EFISIENSI ECENG GONDOK DALAM PENYISIHAN BAHAN ORGANIK PADA LINDI TPA GUNUNG TUGEL PURWOKERTO Slamet Santoso
Purifikasi Vol 11 No 2 (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.i2.196

Abstract

Leachate of solid waste disposal site contains organic material in high concentrations. The organic matter in the leachate can be reduced by phytoremediation using water hyacinth (Echhornia crassipes). The aim of this research was to determine the effect of coverage area, residence time, and their interactions in reducing the organic matter concentrations in the leachate. The method was a designed experiment, which was based on Completely Randomized Design (CRD) with Factorial Design. The first factor was the percentage of water hyacinth coverage area of 0; 25; 50; 75 and 100%, and the second factor was the length of residence time of 4, 5 and 6 days. Results of this research showed that the coverage area of 75% could remove the BOD and TSS levels up to 53.812 and 62.84% respectively. The coverage area of 100% showed COD removal efficiency of 29.215%, which was the highest when compared to the other variations. The residence time of 6 days was able to reduce the BOD, COD and TSS levels in the highest efficiencies of 49.44; 29.94 and 47.84%. respectively. The combined coverage area of 75% and residence time of 6 days showed the highest BOD and TSS removal efficiencies of 59.19 and 65.14% respectively. Whereas the combined coverage area of 100% and residence time of 5 day system was able to reduce the COD level up to 30.66%.

Page 14 of 39 | Total Record : 385

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