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Ervin Nurhayati
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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,
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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 15 Documents
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Search results for , issue "Vol 7 No 1 (2006): Jurnal Purifikasi" : 15 Documents clear
PENGARUH CAMPURAN SEMEN-LEMPUNG TERHADAP PENURUNAN KADAR LOGAM DALAM LINDI DARI TPA BENOWO KOTA SURABAYA Didik Sarudji
Purifikasi Vol 7 No 1 (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.i1.230

Abstract

Leachate is a problem in solid waste final disposal. Leachate potentially causes environmental problems that influence human health after reaching top food chain. In the human body heavy metals are accumulated, and in a certain concentration could interfere central nervous system. The aim of this laboratory study was to investigate how far the mixtures of cement and clay could reduce effectively metal concentrations in leachate from Benowo solid waste disposal site. The method included treating the mixture of cement and clay in several ratios to leachate samples in the jar-test. After mixing, the precipitate was separated from the supernatant. The metal contents in the supernatant were analyzed in Balai Laboratorium Kesehatan Surabaya. The results showed that the mixtures could reduce, even eliminate, Fe, Mn, Zn, Cd and Pb in the leachate.
REVIEW ARSITEKTUR BIOLOGIK INTEGRAL UNTUK PERANCANGAN BANGUNAN DI DAERAH TROPIK Mochammad Yusuf Hariagung
Purifikasi Vol 7 No 1 (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.i1.231

Abstract

Internal biological architecture is architecture in which natural life (bios) and instinctive (logos) are integrally carried out. To achieve the objective, it is necessary to be able to understand and assess. Problems in development of internal biological architectures among others are protection against weather, animals, and pathogenics. The life quality depends on developments and occupants, lands, plants, environments, climates, traditions, local life, development and dwelling, as well as cultures. In order to realize the protected and functional dwellings, it is necessary to take “metamodel” of integral biological architecture into account to come out with new ways towards planning, development, dwellings and life in which human beings play prominent roles to unite and integrate the factors. Biological architecture begins with biological development and ends with ecologically and alternatively deeper new thinking and oriented to the future whose life, education and dwellings are balanced with nature.
PEMETAAN TINGKAT KONSENTRASI PARTIKULAT AKIBAT AKTIVITAS TRANSPORTASI DI WILAYAH SURABAYA PUSAT Mohammad Razif
Purifikasi Vol 7 No 1 (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.i1.232

Abstract

Particulate that has diameter less than 10 u (PM10) is known as the dominant transportation air pollutant in Surabaya City. This research was done with counting particulate concentration level as an early stage in providing a distribution pattern map and air pollution control. The research was implemented in road segment which was predicted as the highest pollutant source. The roads included Basuki Rahmat, Gubernur Suryo, Panglima Sudirman, Pemuda and Kayun, Surabaya. The sampling method followed the East Java Province Governor Decree No128/1997. The research resulted in particulate concentration, which exceeded the ambient air quality standards according to Indonesian Government Regulation No 41/1999 of 150 μg/m3.
TOKSISITAS SODIUM LAURYL SULFATE (SLS) TERHADAP BENUR UDANG WINDU (Penaeus monodon Fab.) Agoes Soegianto
Purifikasi Vol 7 No 1 (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.i1.233

Abstract

Sodium lauryl sulfate (SLS) merupakan bahan dasar pembuatan detergen yang banyak digunakan di masyarakat, karena kemampuannya sebagai surfaktan yang baik. Tingginya kadar SLS di estuaria dapat berbahaya bagi organisme akuatik seperti udang windu prawn (Penaeus monodon, Fab.). Berdasarkan alasan di atas, dilakukan penelitian untuk menentukan toksisitas SLS terhadap benur udang windu. Hasil penelitian menunjukkan bahwa LC50-96 jam SLS terhadap PL2 udang windu adalah 42,43 mg/L, nilai LC50-96 jam SLS terhadap PL15 adalah 51,89 mg/L dan nilai LC50-96 jam SLS terhadap PL25 adalah 336,36 mg/L
RANCANG BANGUN STASIUN BERGERAK UNTUK PEMANTAUAN KUALITAS AIR SUNGAI Goib Wiranto
Purifikasi Vol 7 No 1 (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.i1.234

Abstract

A mobile station is required for conducting analysis in locations where a fixed station is not possible to be constructed. In this paper the design and construction of a mobile station for the analysis of river water quality will be described. The focus of this activity has been put on the monitoring of four river water quality parameters, namely pH, temperature, conductivity, and dissolved oxygen. The method of measurement has been based on continuous flow principle, in which sensors are put inside a flowcell that is continuously filled with river water. The resulting measurement from each parameter is then stored in a data logger unit that can be programmed to automatically send the stored values to a master station. With this technique, a mobile station for the online analysis of river water quality can be realized.
PENGARUH SALINITAS TERHADAP KINERJA BEBERAPA SACRIFICIAL ANODE PADA PROTEKSI KATODIK DI LINGKUNGAN LAUT Herman Pratikno
Purifikasi Vol 7 No 1 (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.i1.235

Abstract

Proteksi katodik merupakan salah satu cara untuk melindungi baja dari bahaya korosi. Penelitian ini bertujuan untuk menentukan kinerja dari beberapa jenis sacrificial anode yang digunakan pada proteksi katodik di lingkungan laut. Salinitas yang digunakan yaitu 33‰,35 ‰, dan 37‰. Sacrificial anode yang digunakan yaitu paduan alumunium, seng dan magnesium. Sedangkan katoda atau struktur yang dilindungi adalah baja karbon. Kinerja yang diukur adalah laju korosi yang terjadi dan pola korosi pada masing- masing sacrificial anode dan katoda. Lingkungan air laut pada penelitian ini berubah sesuai dengan kelarutan dan komposisi kimiawinya. Hasil dari penelitian ini menunjukkan anoda magnesium menunjukkan laju korosi terbesar . Sedangkan besar laju korosi pada seng lebih besar daripada laju korosi pada aluminium. Dengan foto mikro tampak korosi yang terjadi yaitu korosi lubang/pitting corrosion baik pada anoda maupun katoda.
PENURUNAN WARNA LIMBAH CAIR INDUSTRI PENCELUPAN TEKSTIL DENGAN MENGGUNAKAN ADSORBEN ARANG SEKAM PADI harmin sulistyaning titah
Purifikasi Vol 7 No 1 (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.i1.236

Abstract

Salah satu bentuk proses pengolahan air limbah secara fisik-kimia adalah adsorpsi. Pada pada proses adsorpsi digunakan adsorben untuk menyerap adsorbat. Sekam padi sebagai hasil sampingan pengolahan padi belum termanfaatkan dengan baik. Sekam padi dengan kandungan karbon dan SiO2 yang tinggi merupakan bahan yang baik untuk menghasilkan arang, Pemanfaatan sekam padi sebagai adsorben dengan menggunakan NaOH sebagai bahan aktifator untuk meningkatkan kapasitas adsorpsi dari arang yang dihasilkan. Untuk mengetahui kemampuan dari sekam padi dilakukan uji secara batch dengan variasi konsentrasi adsorben dan kecepatan agitasi dalam menurunkan warna limbah pencelupan tekstil. Hasil penelitian menunjukkan bahwa efisiensi penurunan warna tertinggi dengan adsorben sekam padi pada konsentrasi 100 mg/l sebesar 23 %.
PEMBUATAN FLOKULAN NON-IONIK DARI STARCH DAN ACRYLAMIDE DENGAN METODE GRAFTING TO Sumarno Sumarno
Purifikasi Vol 7 No 1 (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

Abstract

Synthesis of non-ionic flocculant starch-graft-polyacrylamide was produced using grafting to method. The process comprised two successive processes, i.e. synthesis of non-terminated polyacrylamide (nt-PAM) and coupling reaction. The first one was grafting onto starch. The non-terminated polyacrylamide was synthesized with solution and inverse emulsion polymerization. Temperature and time of coupling reaction were studied to evaluate the percentage of grafting efficiency (%GE) and yield (%GY), and viscosity instrinsic. The polymerization was done in glass reactor isothermally. The sample was analyzed by using FTIR. St-g-PAM was synthesized by solution and inverse emulsion polymerization. The increase of temperature and time of coupling reaction increased the percentage grafting (%GE,%GY) and viscosity instrinsic, which then finally decreased. The instrinsic viscosity of st-g-PAM that produced by emulsion inverse polimerization technic was higher than solution polymerization one.
PENJERAPAN KROM LIMBAH CAIR PROSES PENYAMAKAN KULIT OLEH ZEOLIT ALAM Eti Rohaeti
Purifikasi Vol 7 No 1 (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

Abstract

Chromium removal and recovery carried out by using precipitation process was reported to become costly at lower cation concentration. Therefore, the use of natural zeolit, as one of mineral abundance in Indonesia, becomes an important ion exchanger and adsorbent for this cation at low concentration. In this research, chromium’s tanning wastewater was first reacted with a precipitating agent, sodium hydroxide 1,5 M. The remaining, chromium in the filtrate, was passed through columns packed with zeolit . Tanning wastewaters are originated from two tanneries, namely Gunung Putri and Citeureup in Kabupaten Bogor. The zeolite used is originated from Cikalong, Cikembar and Lampung. The first two are mordenite type with purity grade 79% and 84% respectively. The zeolite originated from Lampung was clinoptilolite type with 94% purity grade. The capacity of cation exchange of Cikalong zeolite, Lampung and Cikembar were 94,14, 89,62 and 79,70 respectively. The capacity of chromium adsorption of Cikalong zeolit, Lampung and Cikembar under chromium synthetic solution with batch operation were 1710, 1629 and 1150 mg/kg respectively. The capacity of chromium adsorption of Cikalong zeolit Lampung, and Cikembar under chromium synthetic solution with fixed-bed operation were 1350, 1507 and 399 mg/kg respectively. Under spent tanning solution with fixed-bad method the capacity of chromium adsorption of these three zeolit were 82, 160, and 82 mg/kg respectively.
MODEL PERAMALAN INTRUSI AIR LAUT PERIODE MUSIM KEMARAU DI ESTUARI MENGGUNAKAN ADAPTIVE NEURO FUZZY INFERENCE SYSTEM (ANFIS) Imam Suprayogi
Purifikasi Vol 7 No 1 (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.i1.239

Abstract

The main purpose of this research was to develop a model of seawater intrusion forecasting in dry season periods at the estuary, which was caused by the influence of river flow discharge collision with tidal level using neuro fuzzy structure adaptive neuro fuzzy inference system, as the basic pattern that flow the water whenever it free from salt intrusion and also stop taking the water that is already influenced by salt intrusion. The results showed that fuzzy logic as a control process and artificial neural network as a forecast process using primary data of the measurment of salt intrusion’s length, the downstream river flow discharge, and the maximum level of tidal the river mouth area of Solo Estuary during the dry season period (from August until October). The model showed high accuration perfomance, which was proved by the mean square error value for the learning process of 0,00000354, model validation testing process of 1.799, and set value of plain waters condition for the next 24 hours range of 32 kms from the Solo Estuary.

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