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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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RANCANG BANGUN DAN UJI KINERJA HIGH VOLUME AIR SAMPLER UNTUK MENGUKUR TOTAL SUSPENDED PARTICULATE Arief Sabdo Yuwono
Purifikasi Vol 13 No 1 (2012): 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.v13.i1.228

Abstract

Total suspended particulate (TSP) is fine particles in ambient air that settles very slowly and is normally measured using High Volume Air Sampler (HVAS). A HVAS should meet several design criteria, such as air flow rate of 1.13 to 1.70 m3/min according to national standard (SNI). This research produced ​​four HVAS units using different types of fan and air vacuum pumps, i.e. centrifugal fan, axial fan, vacuum pumps with the power of 600 Watt and 1000 Watt. During performance test, the highest flow rate in the order of 0,518 m3/min was produced by 1000 Watt vacuum pump HVAS. Comparison test between designed HVAS and the reference HVAS showed that the ambient TSP concentration was 60.3% of those measured by reference HVAS.
BIOREMOVAL PEWARNA TEKSTIL MENGGUNAKAN KAYU APU DAN ECENG GONDOK ALIRAN KONTINYU Alia Damayanti
Purifikasi Vol 13 No 1 (2012): 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.v13.i1.229

Abstract

Penggunaan tanaman air merupakan salah satu alternatif yang murah dan efisien dalam pengolahan limbah. Pada penelitian ini digunakan variasi pengaturan urutan tanaman uji secara seri (kayu apu – eceng gondok dan eceng gondok – kayu apu) dan variasi konsentrasi limbah zat warna buatan (0,01; 0,005 dan 0,0025 mg/L). Prosedur untuk penelitian ini adalah disiapkan tiga konsentrasi limbah buatan yang berbeda yang diletakkan dalam reservoir. Pada tiap reservoir diparalel menjadi dua rangkaian reaktor, yaitu rangkaian reaktor kayu apu – eceng gondok dan rangkaian reaktor eceng gondok – kayu apu, yang dialirkan secara gravitasi dan kontinu. Pada hari ke nol semua reaktor diisi limbah warna buatan dengan tinggi basah 30 cm kemudian dimasukkan tanaman uji dengan kepadatan 40 mg/cm2 pada tiap-tiap reaktor. Kran pengatur debit dibuka dan dialirkan dengan debit konstan, yaitu 1,32 L/hari. Langkah selanjutnya dilakukan pengamatan untuk parameter warna, COD dan pH setiap dua hari sekali selama 14 hari. Hasil dari parameter akan ditampilkan perubahan parameter dan prosentasenya dalam tabel dan grafik yang kemudian akan dilakukan analisa. Didapatkan hasil removal warna dan COD terbesar terjadi pada reaktor eceng gondok-kayu apu pada konsentrasi 0,0025 g/L. Sedangkan rangkaian tanaman eceng gondok-kayu apu pada konsentrasi limbah 0,01 g/L menghasilkan laju penyisihan warna dan COD perhari yang terbaik. Variasi konsentrasi limbah berpengaruh terhadap kemampuan removal oleh tanaman, dan perubahan nilai pH tidak terpengaruh oleh variasi konsentrasi limbah zat warna tekstil buatan tetapi terpengaruh oleh aktifitas tanaman uji dan aktifitas mikroorganisma dalam reaktor. Nilai pH cenderung semakin turun hingga hari terakhir penelitian. Nilai pH terendah dicapai reaktor eceng gondok – kayu apu pada konsentrasi limbah zat warna 0,0025 g/L, yakni 7,2.
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.

Page 18 of 39 | Total Record : 385

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