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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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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.
STUDI KOMPARATIF METODE PERESAP BUATAN UNTUK PENGENDALIAN LIMPASAN AIR HUJAN DI PERMUKIMAN PERKOTAAN: KASUS KELURAHAN LEBAKGEDE KECAMATAN COBLONG, KOTA BANDUNG Arwin S.
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.i1.240

Abstract

Densely urbanized area required solution to control rainwater run-off in the form of water recharge techniques which was efficient and effective. One of the most conducive water recharge techniques in densely urbanized was recharge well. In general the well design could be compared to pursuant to its wall construction, which might vary in porosity. Based on determination of those methods of recharge well dimension, it was found that Sunjoto method use dynamic approach and yields well dimension which was relatively small. There were three types of suggested recharge wells. The selection of the recharge well types was in accordance to the condition of local area. Each typical well had advantages and disadvantages. At limited backyard area, it was suggested to apply recharge well design (Type II), which some part of the well wall was impervious and the other part was pervious. In road area, it was suggested to use recharge well (Type I), with permeable bottom and all wall was made from brick. In the relatively wide backyard, it was suggested to use recharge well (Type III), where the entire wall was porous.
ALTERNATIF BENTUK SISTEM PENYALURAN LINDI PADA SANITARY LANDFILL Atiek Moesriati
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.i1.241

Abstract

Bentuk sistem penyaluran lindi pada sanitary landfill pada umumnya digunakan sistem sisir. Posisi pipa primer pada sistem ini berada di sepanjang tepi sel. Bentuk sistem penyaluran lindi lainnya adalah sistem tulang ikan, yaitu pipa primer berada di tengah sel. Kedua bentuk tersebut akan dibandingkan keefektifannya dalam menyalurkan lindi. Digunakan variasi curah hujan untuk mengukur volume lindi persatuan waktu yang keluar pada outlet masing-masing sistem. Pada variasi penghujanan dengan PUH 10 tahun dan 25 tahun didapatkan selisih total volume kumulatif lindi yang keluar dari outlet sistem tulang ikan lebih banyak dibandingkan dengan sistem sisir, yaitu sebesar 1,98% dan 6,1%. Hasil penelitian menunjukkan sistem tulang ikan lebih efektif dalam menyalurkan lindi dibandingkan dengan sistem sisir. Berdasarkan analisa statistik “One way ANOVA”, variasi sistem penyaluran lindi dapat memberikan pengaruh yang signifikan, yaitu pengukuran volume lindi di outlet masing-masing sistem pada waktu pengamatan yang sama. Pada variasi penghujanan dengan PUH 10 tahun dan 25 tahun didapatkan P-Value sebesar 0 dan 0,027.
PENGUJIAN TOKSISITAS LIMBAH PELUMAS TERHADAP IKAN MAS (Cyprinus carpio) Joni Hermana
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.i1.242

Abstract

The toxicity level of oil waste has not been identified as compared to the toxicity of lubricant oil. Therefore, the toxicity of oil waste was determined by using Gold fish (Cyprinus carpio) in a lab-scale ecotoxicity. The acute toxicity test was used as a method during the experiment which proceeded by the range finding tests to determine LC50 for 96 hours exposure. The concentration of 52,5 – 62,5% was applied for acute toxicity of oil waste and 61,0-68,5% was for lubricant oil. The result of experiment showed that LC50 for oil waste was (55,92 ± 1,04) mg/l and for lubricant oil was (64,80 ± 1,03) mg/l, hence it could be concluded that oil waste was more toxic than lubricant oil. Further, histopathology test showed that both samples, oil waste and lubricant oil, caused structural damage to the fish, which was shown by histopathological change of fish gills in the form of hyperplasia lamella.
PENGOLAHAN LUMPUR TINJA DENGAN DIGESTER AEROBIK ALIRAN KONTINYU Ipung Fitri Purwanti
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.i1.243

Abstract

Masalah tinja menjadi persoalan tersendiri, terutama berkaitan dengan kandungan jasad hidup berbentuk bakteri, fungi dan jamur yang bersifat patogen dan penghasil racun. Dalam 125-300 g tinja manusia terkandung sekitar 300 milyar bakteri coli form. Kehadiran bakteri coli dalam bahan makanan dan minuman, sangat tidak diharapkan karena bisa menyebabkan penyakit. Di sisi lain, kandungan nutrien yang tinggi dalam tinja merupakan sumber pupuk organik yang paling lengkap dan baik untuk segala jenis tanaman. Dalam penelitian ini lumpur tinja distabilisasi dengan digester aerobik sistem kontinyu. Variasi yang dilakukan pada reaktor digester aerobik adalah solid retention time-SRT (umur lumpur) sebesar 10, 20, 30, 40, dan 50 hari. Parameter yang diteliti adalah TSS, VSS, kadar air, rasio C/N, bakteri coliform, pH, dan suhu. Hasil penelitian menunjukkan adanya pengaruh dari variasi SRT terhadap penyisihan parameter VSS. Reduksi kandungan organik (VSS) terbesar dicapai pada SRT 50 hari yakni 27,55%. Prosentase penyisihan terbesar untuk parameter bakteri coliform tercapai pada SRT 20 hari, yakni 99,79% namun masih belum bisa diaplikasikan ke tanah. Nilai C/N lumpur tinja pada SRT 50 hari adalah 6,12.
PERAN MANGROVE (Avicennia sp.) TERHADAP PERTUMBUHAN BANDENG (Channos channos) DI DESA KEJAWAN PUTIH, KECAMATAN SUKOLILO, SURABAYA TIMUR Alia Damayanti
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.i1.244

Abstract

Mangrove ecosystem is very sensitive to environmental changes. As feeding, nursery and spawning grounds and ultrafiltrator, mangrove ecosystem supports the fishery activities. Milkfish (Channos-channos) is a fish species, which is widely cultured in Indonesia. Three locations of milkfish aquaculture with different levels of mangrove density in Kejawan Putih was chosen for determining its influence to milkfish growth and productivity. The values of pH, dissolved oxygen, BOD, and total dissolved solids of the fishpond water and the water source were analysed twice per month for 3 consecutive months. Sizes of the harvested milkfish were measured according to its length, width, and weight. Results of this research showed that aquaculture with ± 10% of mangroves provided 80 % of milkfish life expectancy, with average length of 32 cm, and average weight of 300 gr. Aquaculture with no mangrove gave less than 60% milkfish life expectancy, with average length of 29,5 cm, and average weight of 150 gr.
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.

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