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Ervin Nurhayati
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purifikasi@gmail.com
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+6281339952643
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purifikasi@gmail.com
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Department of Environmental Engineering, ITS Campuss, Sukolilo, Surabaya, Indonesia
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Kota surabaya,
Jawa timur
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 1 (2007): Jurnal Purifikasi" : 15 Documents clear
PROSES BIOSORPSI CU DAN PHENOL DALAM KONDISI TUNGGAL MAUPUN SIMULTAN DENGAN MENGGUNAKAN LUMPUR AKTIF KERING Yunus Fransiscus
Purifikasi Vol 8 No 1 (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.i1.116

Abstract

The application of dried activated sludge as a biosorbent for copper and phenol was studied. From a series of batch experiment for single component, it was determined the sorption capacity of biosorbent are 29 mg/L and 98 mg/L for copper and phenol respectively. Sorption isotherm showed that these two adsorbates have different sorption mechanism. copper was able to form a more complete monolayer, while phenol tend to form a multilayer reaction. In simultaneous experiments it was concluded that phenol was more dominant than copper. The sorption capacity of biosorbent for copper decreased gradually as the increasing of phenol concentration. This condition was not reversible, sorption capacity of biosorbent for phenol was more stable. eventhough copper concentration was increased.
PENURUNAN KONSENTRASI COD DAN FENOL AIR LUMPUR LAPINDO DENGAN METODE OKSIDASI FENTON DAN UV Evy Hendriarianti
Purifikasi Vol 8 No 1 (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.i1.117

Abstract

This research was carried out to investigate the removal of COD and phenol sludge filtrate by Fenton oxidation and UV after the treatment of coagulation-flocculation-sedimentation. Variation of treatments included UV intensity, H2O2 and FeSO4 concentration, and illumination time was 3 hours. The results showed that 92,71 % of COD removal and 100% of phenol removal (undetectable phenol) occurred at 36 Watt of UV, 250 mg/L of H2O2 and at 36 Watt of UV, 500 mg/L of H2O2. While 84,24% of COD removal occurred at Fenton variation of 500 mg/L of H2O2 : 100 mg/L of FeSO4 and 72 watt of UV light. Phenol removal of 98,84 % occurred at Fenton variation of 500 mg/L of H2O2 : 100 mg/L of FeSO4. and 36 watt of UV light.
ESTIMASI LAJU EROSI/DEPOSIT PADA LAHAN OLAHAN KECIL DI PUNCAK-BOGOR DENGAN ISOTOP ALAM 137Cs Nita Suhartini
Purifikasi Vol 8 No 1 (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.i1.118

Abstract

Investigation of the erosion rate estimation had been done using environmental isotope 137Cs. Radiogenic 137Cs contents of the soil can be used to estimate the amount of erosion/deposition in an area that has been occurring since the late 1950’s, with respect to the stable reference site. The investigation aimed to estimate erosion/deposit rate in small cultivated site that using ridge and furrow system located in Puncak - Bogor. Sampling of soil was done by using scraper (20 x 50) cm for reference site, and coring (Φi = 7 cm) for investigation points. Two small cultivated sites were chosen namely TS3 (50 x 60) m, and TS5 (50 x 60) m. The result showed that net erosion for TS3 and TS5 were -5 ton/ha.year and -39 ton/ha.year, respectively.
QUANTITATIVE ANALYSIS OF NITROGEN COMPOUNDS IN PADDY FIELDS AMMENDED WITH UREA FERTILIZER Siti Khodijah Chaerun
Purifikasi Vol 8 No 1 (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.i1.119

Abstract

A field experiment was conducted to quantitatively analyze nitrogen (N) compounds as both inorganic and organic N (measured as total Kjeldahl N (TKN), NH4+-N, NO2--N, NO3--N, organic N and total N) and N pollution loading (measured as total N load) in paddy fields after the application of various dosages of urea [CO(NH2)2] fertilizer. Three urea levels (0, 200, and 300 kg urea/ha) and IR64 rice were used in a factorial designed experiments. The irrigation water in both outlet and inlet water flow was sampled after urea surface application at 0, 15 and 35 days after planting (DAP) and those of N concentrations were determined. In general, the urea fertilizer application of three N levels showed significantly increased inorganic and organic N concentrations in outlet irrigation water (P < 0,05) but did not increase total N load (P > 0,05) compared to inlet irrigation water. When no urea fertilizer was applied (0 kg urea/ha), high N concentration was measured in irrigation water, indicating that irrigated water system had carried N compounds other than urea fertilizer applied. All the N compounds increased significantly except for NO2--N and total N at 0 kg urea/ha, NO2--N and organic N at 200 kg urea/ha, and TKN at 300 kg urea/ha, which were not significantly different between outlet and inlet irrigation water (P > 0,05). These results revealed that although the three urea fertilizer application levels did not increase N loading, they have a significant effect on both inorganic and organic N concentrations in surface water runoff, thus eventually entering and polluting the water receiving bodies with the subsequent increase of eutrophication.
PEMANFAATAN LIMBAH NANAS UNTUK PEMBUATAN KOMPOS MENGGUNAKAN KOMPOSTER ROTARY DRUM sriharti sriharti
Purifikasi Vol 8 No 1 (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.i1.108

Abstract

The objective of this experiment was to utilize solid waste from a pineapple juice processing factory Lipisari in Subang as compost raw material. Another objective was to create an efficient composting unit facility. The composting process was carried out in a rotary drum composting unit made from wood. The frame was made from iron St 37. The composting facility had cylindrical shape with a length of 1.958 m, diameter of 1.198 m. I had a capacity of 2 m3 or 600 kg. It was equipped with an agitator and a blower of 14 inch diameter, 150 watt and 220 volt capacity. It was rotated by a 2 HP electrical motor. The composting process was accelerated by the application of EM4 activator. Results of this research showed that the composting process occurred within 7 days. The compost quality meets the Indonesian National Standard, SNI No. 19-7-30-2004.

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