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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 15 Documents
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Search results for , issue "Vol 7 No 2 (2006): Jurnal Purifikasi" : 15 Documents clear
KAJIAN KEANDALAN SUMBER MATA AIR CIPANIIS MEMENUHI KEBUTUHAN AIR DOMESTIK KOTA CIREBON Arwin S.
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.245

Abstract

Pengembangan sumber mata air Cipaniis ditingkatkan pada tahun 1982, dengan membangun penangkap baru dengan kapasitas disain 760 L/detik. Observasi debit air Cipaniis dicatat sejak 1996. Seperti halnya komponen-komponen hujan, air sungai, air tanah dari siklus hidrologi, merupakan variabel acak, sehingga untuk menentukan keandalan debit sumber air dilakukan analisa statistik untuk mengurutkan data dari debit air baku terkecil ke debit besar. Kemudian dilakukan uji goodness-of-fit untuk menentukan tingkat kesesuaian sampel dengan fungsi distribusi teoritis tertentu. Dengan uji tersebut dapat ditentukan distribusi teoritis yang mewakili distribusi debit air yang terjadi (distribusi normal, log-normal, Gumbel dan log-Pearson III) untuk menentukan besaran debit air masa depan. Selanjutnya dibangun kurva keandalan debit mata air Cipaniis sesuai kriteria teknis alokasi air baku multisektor BMA PU Cipta Karya. Dari analisa keandalan air baku diperoleh pengoperasian Instalasi Air Cipaniis dengan debit rencana air baku berkisar Q=(650-760) L/detik setara dengan debit andalan kering dengan pengoperasian dua tahun dengan resiko berturut-turut suplai air baku tidak dipenuhi 1 hari untuk debit rencana kering Q= 650 l/detik dan 60 hari untuk debit rencana kering 760 L/detik. Bila berpedoman pada Kriteria Teknis Alokasi Air Baku (BMA Cipta Karya 1994 ), maka debit rencana air baku yang diperkenankan Q = 308 L/detik dengan periode pengoperasian 10 tahun terdapat resiko 1 kali debit rencana tidak dapat dipenuhi selama 7 hari.
ANALISIS FAKTOR-FAKTOR YANG BERPENGARUH TERHADAP PARTISIPASI MASYARAKAT DALAM PEMELIHARAAN SALURAN DRAINASE DI KELURAHAN MANNURUKI KOTA MAKASSAR Marzuki Dilla
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.246

Abstract

This study was aimed to determine the influencing factors of the community participation towards the maintainance of drainage canal. The method was based on the analysis of environment knowledge, environmental attitude , level of education and income, using direct observation, document analysis, knowledge test, attitude scale, and inferential statistics. The research showed that the community participation to maintain the drainage is at the medium level, with a significant influence. The significance included: (1) enviroment knowledge to community participation (ry1 = 0,916), (2) environmental attitude to community participation (ry2 = 0,910), (3) education level to community participation (correlation ry3 = 0,913), (4) income to community participation (ry4 = 0,432), (5) influence of all independent variables to participation in drainage clean maintainance (ry1,2,3,4 = 0,947).
STUDI ALIRAN DALAM CONSTRUCTED WETLAND MENGGUNAKAN TANAMAN CYPERUS PAPYRUS DALAM MENGOLAH LINDI Bieby Voijant Tangahu
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.247

Abstract

A simple technology to treat leachate is through the use of constructed wetland system using aquatic plant, Cyperus papyrus. The aims of this study were to determine the efficiency of horizontal and vertical flow system in constructed wetland in removing Total N and Total Solid. The dimension of the reactor was 90×30×50 cm with media height of 40 cm. The media was sand with porosity of 47,91 %, time detention of 1 day and flow of 25 l/day. The concentration variations of N are 100 mg/L and 150 mg/L. In horizontal flow reactor with N concentration of 100 mg/L, the highest efficiency of Total N reduction was 90,52 %, and TS reduction efficiency was 62,77 %. In the vertical flow reactor, the highest efficiency of Total N reduction of 91,24 % was achieved when N concentration was 150 mg/L and efficiency for TS reduction was 64,56 % when N concentration was 100 mg/L.
FAKTOR-FAKTOR YANG BERPENGARUH TERHADAP KADAR TIMBAL DALAM DARAH ANAK-ANAK SEKOLAH DI BANDUNG Puji Lestari
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.248

Abstract

The Blood Lead Level (BLL) test was conducted in Bandung during periods of August-December 2005. Four hundreds school children of 40 elementary schools from 25 Districts in Bandung were selected in this study. The cluster system was used to define number of schools, school locations and number of samples in Bandung. US EPA reference method using lead care analysis was used to analyze BLL level in the school children’s blood. The results from this study showed that school children had geometric average BLL value of 14,13 µg/dL (median value = 12,5 µg/dL, range of average were 13,38-14,89). Out of 400 children, 65,5 % of children had BLL above 10 µg/dL (WHO standard for children). The highest average value (17,0 µg/dL) was found from a group of 11 year old children. While the second highest average value was 14,75 µg/dL found from a group of 10 year old children. The group of 7 years old children had an average value of 12,19 µg/dL. Demographical faktors such as the house location, travel times, parent occupation as well as the poverty to be significantly influence the BLL for children.
POTENSI PENGGUNAAN LIMESTONE SEBAGAI FILTER PADA KONSTRUKSI SANITARY LANDFILL Ratna Yuniarti; Tri Sulistyowati
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.249

Abstract

In general, a liner system in sanitary landfill consists of both geomembrane barrier and clay liner. Although geomembrane is an absolute barrier against advection, pollutants can permeate it by diffusion so that leakage may occur through the liner. Since clay liner can be damaged by leachate which has low or high pH, it is necessary to develop sanitary landfill by placing limestone as a filter between geomembrane and clay liner. Due to its common use in water treatment, limestone may increase the quality of leachate and provide protection for the clay liner. A series laboratory experimental study was carried out to investigate characteristics of limestone: natural water content, particle size, specific gravity, Atterberg limit and compaction. Hydraulic conductivity test of limestone with leachate as permeant is also conducted. Finally, the qualities of lindi before and after permeate into limestone are measured to determine the change in concentration of pollutants, and the effect of this filtration process on limestone’s chemical characteristics. Analysis showed the overall hydraulic conductivity of limestone to leachate is 1,86 x 10-6 cm/s. After permeating into limestone, the pH value of leachate reduced from 7,72 to 7,03. Pollutants in leachate decreased with regard to BOD from 390 mg/L to 260 mg/L and COD reduced by 33,33%. Due to its ability to remove pollutant in leachate, it is suggested to place limestone as a filter in sanitary landfill.
PEMANFAATAN LIMBAH INDUSTRI SANDAL SEBAGAI AGREGAT DALAM CAMPURAN SEMEN PUTIH UNTUK PEMBUATAN ORNAMEN PENGGANTI BATU ALAM Wiwik Purwiningsih
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.250

Abstract

Sandal waste represents the residual peoduct, which is piled cumulatively in the residential areas around the factory. This fact becomes a consideration to use the waste for a particular purpose. This situation can be connected to the existence of interior and exterior ornament business where the waste can be used as raw material. This study was aimed to utilize the sandal waste as an aggregate, which is mixed with white cement, in order to replace of the natural stones. The method included trial tests of mixtures in different compositions, followed by comparisons of results according to visual performance and compression test. Results of this study showed that the best mixture was observed in cement and waste composition ratio of 1:3. At this composition, the aggregate was visually very good, easy to process, and save the use of cement. From the economical point of view, the use of sandal waste as described in this study, could provide an added value for the waste generator and a new employment opportunity.
MODIFIKASI MODEL RENKO UNTUK MEMPREDIKSI POLA PENGENDAPAN LUMPUR AKTIF DI SEDIMENTASI KEDUA Ignasius Dwi Atmana Sutapa
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.251

Abstract

The aim of this research is to gain the best activated sludge settling models in the final sedimentation. This is important for describing settling behavior of tropical Indonesian sludge. Sample sludge for this research was derived from the textile wastewater treatment. Experimental data were collected from batch settling test with 1000 ml cylinder glass. The test record complete batch sludge settling curves with initial concentration of about 4000 mg/L. To set up an experiment at lower sludge concentration, part of the sludge in the device was subsequently replaced by supernatant and a new settling curve was recorded. This procedure repeated until ten settling curves were recorded. The storage and settling experiments were performed at room temperature. In order to build appropriate models structure, all experimental settling data was converted. This experiment used the basic formulation models proposed by Renko, which identified settling of the sludge blanket interface as a function of time. This model described the relationship between settling sludge blanket interface and sludge concentration and settling time. Results of this research showed that these parameters were of α:0,0039; β:-0,3345; C:0,00028. The curves revealed that the models could follow the behavior of settling sludge. It proved with minimal MSE of 0,008. This value meant that the models had a high validity in explaining the experimental behavior. These results certainly beneficial for improving the wastewater treatment system for predicting sludge settling behavior in the secondary sedimentation process.
FENOMENA INTRUSI AIR LAUT DI ESTUARI AKIBAT PENGARUH TINGGI PASANG AIR LAUT DENGAN DEBIT HULU SUNGAI MENGGUNAKAN PENDEKATAN MODEL FISIK Imam Suprayogi
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.252

Abstract

The main purpose of this research is to describe a correlation pattern between laboratory physical model design, mixing parameter and estuary type of the intrusion phenomena in estuary during the dry season. The main result of this research, according to laboratory physical model test was classified as stratified estuary type, with mixing parameter approaching one. This laboratory result was verified to former field research conducted in Kali Porong estuary in 2000. Determination of river flow characteristic at the estuary was done by simulating constant discharge of 10 - 100 m3/detik at the highest annual spring tide during the dry season. One dimension mathematical model approach of the Duflow software version 2.04, was applied. The result showed that there was dominant influence of tide to the upper river. Application of estuarine number (E) equation of Canter Cramer, Kali Porong estuary was classified as stratified estuary.
PEMBUATAN ARANG DARI SAMPAH ORGANIK DENGAN CARA KARBONISASI MENGGUNAKAN REAKTOR PIROLISIS Abdul Gani Haji
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.253

Abstract

Charcoal is possibly produced from municipal organic waste using pyrolysis reactor at a temperature of 350-510 oC for 5 hours. Parameters used for charcoal quality determination are: product quantity, water, ash, evaporated material, carbon, calorific value, iodine adsorption capacity, benzene and chloroform. The structure of charcoal is characterized by Fourier Transform Infra Red, X-Ray Diffraction and Scanning Electron Microscopy. Carbonization at ³ 405 oC for 5 hours produced well done charcoal, whereas carbonization at < 450 oC produces half done charcoal. Carbonization at 505oC produced best quality of charcoal, when compared to other treatment. The charcoal contained 2.426% water, 18.297% evapourable material, 12.22% ash, 69.48% carbon, and 6634 cal.. The adsorption capacity of the charcoal according to iodine solution and benzene gas were 379.80 mg/g and 12.37% respectively. The chloroform adsorption capacity was 11.69%, while the adsorption ability of charcoal resulted from carbonizing at 510 oC was 12.80%. The charcoal was composed of OH functional group, C-H, C-C, C-H aliphatic and C-O ether. Generally, the level and interval among charcoal crystalic layer that resulted from all carbonization treatment was not significant. Charcoal surface topography structure design showed more pore formation with the higher carbonization temperature.
FAKTOR-FAKTOR YANG MEMPENGARUHI KONSENTRASI KARBONMONOKSIDA DI DALAM DARAH PARA MONTIR BENGKEL OTOMOTIF Andi Chaeruddin
Purifikasi Vol 7 No 2 (2006): 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.v7.i2.254

Abstract

The aims of this research were to determine CO concentrations in the work place of the mechanics, in the mechanics’ blood, and the influencing factors. The measurement of CO in the work place used Kitagawa Detector Gas. The microdiffusion method was used to measure Co in the mechanics’ blood. An interview was done to obtain data on health history, smoking habits, complaints and expectation. The secondary data was used to obtain data on age, and work length of the mechanics. The results showed that the average CO level in the the mechanics work place was 11,65 ppm with SD 1,12. This value was lower than the Treshold Limited Value (TLV) of 20,00 ppm. The average CO in the mechanics blood was 7,43% COHb with SD 2,87. This value was close to the TLV of 10% COHb. However, 35% of the mechanics had CO concentration level in their bloods greater the TLV. This datum was supported by their complaints of dissyness, headache, fatigue and hothead. The regression analysis showed that the concentration level of CO was significantly influenced by age, work duration, level of CO concentration in work place, and the number cigarettes consumed.

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