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INDONESIA
Jurnal Purifikasi
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 14113465     EISSN : 24663352     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 10 Documents
 1 
Search results for , issue "Vol 12 No 2 (2011): Jurnal Purifikasi" : 10 Documents clear
A NOVEL TREATMENT OF DYE WASTEWATER OF BATIK INDUSTRY BY A COMBINATION OF ALUMINIUM SULFATE AND NATURAL IRON COATED-SAND Izarul Machdar
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.199

Abstract

This paper presents the results of dye wastewater treatment of a batik industry in a batch experiment. The experiment was carried out by adding a mixture of aluminium sulfate as coagulant and natural iron oxide-coated sand (NICS) into the wastewater. Sedimentation rate of the formed flock was enhanced by a magnet. Initial COD concentration of the dye wastewater of 1060 mg/L was used in the experiment. Results of this research showed that the efficiency of the dye removal and settling time were affected by iron sand entrapped in the formed flocks. The highest efficiency of COD removal was 95%, or similar to the final COD concentration of 45 mg/L at settling time of 10 minutes. It could be concluded that the combination of aluminium sulfate and NICS could effectively be used in the treatment of the dye wastewater from batik industry.
PENGOLAHAN AIR YANG MENGANDUNG LINEAR ALKYL BENZENE SULFONATE (LAS) DAN AMONIA DENGAN KOMBINASI PROSES OZONASI GELEMBUNG MIKRO DAN FILTRASI MEMBRAN Setijo Bismo
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.200

Abstract

Salah satu upaya yang dilakukan untuk mengolah air yang mengandung senyawa Linear Alkyl Benzene Sulfonate (LAS) dan amonia adalah dengan proses ozonasi gelembung mikro dan filtrasi membran. Proses ini memanfaatkan keberadaan radikal hidroksida yang merupakan oksidator kuat yang mampu menguraikan senyawa organik dan anorganik bersifat racun dan sulit terurai di dalam air. Dari penelitian ini didapatkan bahwa proses ozonasi gelembung mikro dan filtrasi membran cukup efektif untuk menyisihkan senyawa LAS, namun tidak cukup efektif untuk menyisihkan senyawa amonia dalam air. Persentase penyisihan total LAS untuk konsentrasi awal 30 mg/L, 50 mg/L dan 100 mg/L masing-masing diperoleh sebesar 89,82 %; 84,20% dan 81,49% dan amonia sebesar 17,07%.
PENGOLAHAN LIMBAH CAIR INDUSTRI PUPUK UREA MENGGUNAKAN FILTER KERAMIK Subriyer Nasir
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.201

Abstract

The purpose of this research was to design the liquid waste treatment system using ceramic membrane filtration method. The ceramic filter was made of a mixture of clay and coal fly-ash with certain compositions. Rig in this experiment was equipped with PVC piping system, flowmeter, pressure gauge, and the circulation pump. The liquid waste tested was obtained from the secondary effluent of a fertilizer industry. The measured were feed flow rate, permeate flow rate, Total Dissolved Solid (TDS), pH, heavy metal content, and ammonia contents according to the Indonesian National Standards (SNI) of effluent water quality. The results showed that ceramic membrane could decrease the ammonia concentration in the secondary effluent up to 96%. Heavy metal ions (Fe, Cr and Mn) could be reduced to 60.9%, 39.4% and 38.4% respectively. The best composition of membrane/filter was achieved at a ratio of 77.5% clay, 20% fly ash and 2.5% of iron powder.
PENINGKATAN REAKTIVITAS SORBEN KALSIUM HIDROKSIDA DAN TANAH DIATOME (DE) Mariana Hasyim
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.202

Abstract

Gas emission from solid waste incineration contains dangerous gases such as sulfur oxides, hydrochloric acid, carbon monoxide, and others. Acid gas removal technology can be done by using dry and wet processes. The dry process is more economical than the wet process. However, the dry process has low efficiency in gas removal and sorbent utilization. One way to overcome this problem is to use a sorbent which has high reactivity. The aim of this research was to increase the reactivity of calcium hydroxide sorbent by using diatomaceous earth as silica source. The reaction between sulfur dioxide with calcium hydroxide to form calcium silicate hydrates (CaO.SiO2.2H2O), which has high porosity and reactivity. The experiment was carried out in two work phases. The first was preparation of sorbent and sorbent reactivity test. The sorbent preparation was done in a batch reactor by reacting calcium hydroxide and DE together with 100 g of water at various ratios of calcium hydroxide /DE with a weight ratio of water phase/solids of 10. The sorbent reactivity test was performed by determining methylene blue absorption by the sorbent. The results showed that the solid density and the weight of solid sample increased after the reaction. The conversion reaction increased with the increasing reaction temperature, mixing rate, and reaction time. The conversion rate was constant after 20 minutes. The highest conversion rate was obtained at 65oC. The experimental results also showed that the reactivity of combined Ca(OH)2/DE sorbent was higher than that of Ca(OH)2 only.
LEACHABLE BORON FROM FLY ASH Januarti Jaya Ekaputri
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.203

Abstract

Penelitian dilakukan untuk menentukan kandungan boron dalam abu terbang dengan Inductively Coupled Plasma Spectrometry (ICPS). Larutan fly ash dicampur dengan akuades kemudian dianalisis pH, waktu agitasi, konsentrasi boron, dan suhu. Terbukti bahwa abu terbang ditambah boron dapat cepat larut, yaitu sekitar 25%-30% dari kandungan boron total. Desorpsi ion boron terjadi sesudahnya. Setelah direndam lebih dari satu hari, penyerapan boron oleh fly ash meningkat sejalan dengan meningkatnya pH hingga 13. Keadaan ekuilibrium berubah setelah abu terbang kontak dengan air. Aluminium borat dapat melepaskan boron terlarut, sedangkan alkalinitas fly ash diyakini dapat membuat ion partikel pada permukaan fly ash mengikat boron.
METODE ESTIMASI PENYEBARAN POLUTAN DI UDARA Erna Apriliani
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.204

Abstract

Air pollution is the real problem in the metropolitan city and industrial area. Estimation of air pollution distribution is important for recommending emission minimization. Three estimation methods for air pollution distribution, namely numerical method (Euler and Runge-Kutta method), Recursive Least Square method and data assimilation (Kalman Filter) method were applied in this research. The algorithms and the simulations were described, the accuracy of each method was not compared, but the advantages and disadvantages of these methods were described. Distribution of carbon monoxide in Surabaya was estimated using these methods. This research showed that numerical method could not be applied in real condition. The RLS method needed a lot of time series data of concentration of pollution. The data assimilation method could be applied in real condition with a few time series pollutant data, and for estimating pollutant concentrations in some locations.
DAMPAK PERTUMBUHAN PENDUDUK TERHADAP BEBAN SUMBER PENCEMAR DI DANAU SENTANI DENGAN MODEL SISTEM DINAMIK BERWAWASAN LINGKUNGAN Auldry F. Walukow
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.205

Abstract

This research was aimed to analyze the erosion in the watershed (watershed) Sentani and to apply dynamic system model to analyze the effect of population growth on the source of pollutant loads in Sentani Lake. Universal Soil Loss Equation (USLE) method was used to estimate soil erosion from land and dynamic system model using powersim 2.5D tools in order to obtain a model of sustainable Sentani Lake management. Results of this experiment showed that the dynamic model approach to the management and planning of settlements and agricultural areas around Sentani Lake might facilitate the solution of pollutant source, erosion, and deforestation problems and determination of strategic policy for coping with these problems In addition, population growth was a leverage factor to the increase of pollutant sources, the limitation of forest land, residential land erosion, and erosion of agricultural land. However, structural intervention to human settlements and agricultural land should also be performed. The dynamic model of pollutant sources was Archetype Shifting the Burden.
APLIKASI ULTRASONIK DAN MICROWAVE UNTUK MEMURNIKAN KARBON NANOTUBE YANG DISINTESIS DENGAN METODE DEKOMPOSISI METANA Widodo Wahyu Purwanto
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.206

Abstract

Karbon nanotube yang disintesis dengan metode dekomposisi katalitik metana masih memiliki kekurangan karena masih terdapat pengotor berupa logam katalis dan karbon amorf yang dapat mengurangi kualitas kemurnian karbon nanotube yang dihasilkan. Peningkatan kualitas karbon nanotube dapat dilakukan dengan cara pemurnian menggunakan pemanasan microwave dan pengadukan ultrasonik. Berdasarkan hasil analisis SEM dan XRD, pemurnian karbon nanotube dengan waktu pemanasan 20 menit dan waktu ultrasonikasi 60 menit menghasilkan produk karbon nanotube yang paling baik. Metoda tersebut terbukti efektif dalam memperbaiki struktur karbon nanotube yang dihasilkan, mereduksi jumlah partikel logam katalis yang terdapat pada karbon nanotube tanpa merusak kristal karbon dengan ukuran kristal karbon setelah pemurnian adalah 6,1 nm.
APAKAH BREAKPOINT CHLORINATION SELALU APLIKATIF UNTUK MENGOLAH LIMBAH CAIR RUMAH SAKIT? Maya Shovitri
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.207

Abstract

Chlorination is one of the wastewater treatment techniques are often used to kill pathogenic coliform bacteria in hospital wastewater treatment. However, the application of chlorine was positively correlated with the formation of toxic organohalogen compounds. Therefore, chlorine application should be based on the calculation of breakpoint chlorination (BPC) for environmental protection. By using wastewater samples from a hospital that use 5 mg/L chlorination dose, this study was conducted for determining the chlorination applicability at BPC. BPC point was determined by iodometric titration method and potassium permanganate. Based on the titration of potassium permanganate, wastewater samples containing organic materials of 39.79 mg/L, the active chlorine doses were tested at 30, 35, 40, 45, 50, 55, 60, and 65 mg/L. At all incubation periods of 0, 15, 30 and 45 minutes the BPC occurs at similar concentration of 55 mg/L. The dose was able to reduce coliform bacteria concentrations from 106 cells/100 mL to 200 cells/100 mL. If chlorination was only considered as a desinfectant, chlorination at BPC was questionable, because at 10 mg/L the coliform bacteria concentration could be reduced to 200 ml. In addition, the application of 55 mg/L chlorination left residual chlorine of 43 mg/L in average into the environment. This residual chlorine concentration was relatively high when compared to the real application (residual chlorine of 5 mg/L), although in this chlorine concentration the residual chlorine left coliforms of 105 ml cells/100 mL.
STRATEGI KERUANGAN UNTUK MENINGKATKAN AKSES MASYARAKAT KELURAHAN TAMBAKJATI KABUPATEN SUBANG TERHADAP AIR BERSIH Sri Maryati
Purifikasi Vol 12 No 2 (2011): 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.v12.i2.208

Abstract

Tambakjati Subdistrict is located in Subang District and is one area that has a problem in the provision of drinking water. There are a number of water resources in Tambakjati Village, but the local people do not have good access to reach. This limitation is due to the high costs for investment and operations, while the economic capacity of local communities is very low. Therefore, it needs the intervention of local governments to provide clean water, which is accessible to the entire community. However, provision of clean water can still be pursued for cost recovery. Therefore, it needs a number of strategies to adjust the cost for supplying drinking water with a willingness to pay from the community. This study will analyze a number of spatial strategies in the provision of clean water in Tambakjati Village to adjust to the cost of supplying drinking water to the willingness to pay from the community.

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