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DADE JUBAEDAH
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SRIWIJAYA JOURNAL OF ENVIRONMENT
Published by Universitas Sriwijaya
ISSN : 25274961     EISSN : 25273809     DOI : 10.22135/sje.xx
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Energy Environmental Science Public Health
Sriwijaya Journal of Environment (SJE) publishes original research or theoretical papers, notes, and mini reviews on new knowledge and research or research applications on current issues in environmental sciences and related such as: Environmental Science, Environmental Technology, Environmental Health Environmental ethics Lowland Management Environmental policy Environmental economy
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 1, No 2 (2016): Developing Without Destruction" : 5 Documents clear
Palm Oil Mill Effluent Treatment Through Combined Process Adsorption and Membrane Filtration Muhammad Said; Siti Rozaimakh Sheikh Abdullah; Abdul Wahab Mohammad
Sriwijaya Journal of Environment Vol 1, No 2 (2016): Developing Without Destruction
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (417.219 KB) | DOI: 10.22135/sje.2016.1.2.36-41

Abstract

Abstract: The growth in palm oil production also leads to an Increase in the production of palm oil mill effluent (POME). Nowadays, POME was treated using an open lagoon but this method is ineffectiveness in complying with the standards for water disposal. Therefore, efficient and cohesive treatment system is highly desired to ensure the final discharge of the treated water meets the effluent discharge standards. Initially, the POME was treated through adsorption, followed by UF membranes roomates were intended to reduce COD, TSS and turbidity up to 88%, 99%, and 98%, while the final treatment of RO membranes can reduce BOD, COD and color up to 92%, 98% and 99%. To determine the optimum condition of the RO membrane, response surface methodology (RSM) was used. The results showed there was correlation between all key variables. POME concentration, trans-membrane pressure, pH and time would give significant effects in reducing the parameters in POME treatment with the optimum condition of 15.77% for POME concentration, 3.73 for pH, 0.5 bar trans-membrane pressure and 5 hours for filtration time. To predict COD removal, the results were analyzed by applying the artificial neural network (ANN) to derive a mathematical model.Keywords: POME, Adsorption, Membrane filtration, COD, RSM, ANNAbstrak (Indonesian): Pertumbuhan produksi minyak kelapa sawit juga meningkatkan produksi air buangan minyak kelapa sawit (POME). Sekarang ini, POME diolah menggunakan kolam terbuka tetapi metode ini tidak efisien dan tidak memenuhi persyaratan standar air buangan industri. Oleh karena itu, diperlukan suatu sistem pengolahan yang efektif dan terpadu untuk memastikan air buangan pada tahap akhir telah memenuhi standar air buangan.  Pada awalnya, POME diolah melalui adsorpsi dan diikuti oleh membran UF dengan tujuan untuk mengurangi kadar COD, TSS dan kekeruhan hingga 88%, 99% dan 98%, masing-masing.  Sementara itu, pada proses akhir digunakan membran RO yang berhasil menurunkan kadar BOD, COD dan warna hingga 92%, 98%, dan 99%, masing-masing.  Untuk menentukan kondisi optimum dari membran RO digunakan metode respon permukaan (RSM).  Hasil memperlihatkan ada korelasi antara semua variabel. Konsentrasi POME, tekanan trans membran, pH aturan dan waktu memberikan pengaruh penting dalam pengurangan parameter pada pengolahan POME, dengan kondisi operasi optimum sebagai berikut: 15,77% bagi konsentrasi, 3,73 bagi pH, 0,5 bar bagi tekanan trans membran, dan 5 jam waktu filtrasi.  Untuk memprediksi penghilangan COD, hasil diperiksa menggunakan metode jaringan saraf tiruan (ANN). Hal ini bertujuan untuk mendapatkan suatu model matematika.Kata kunci: POME, Adsorpsi, Membran filtrasi, COD, RSM, ANN
Adsorption of Lead Content in Leachate of Sukawinatan Landfill Using Solid Waste of Tofu Sri Hartati; Dedik Budianta; Hermansyah Hermansyah
Sriwijaya Journal of Environment Vol 1, No 2 (2016): Developing Without Destruction
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (522.974 KB) | DOI: 10.22135/sje.2016.1.2.42-46

Abstract

Abstract: A study on the adsorption of lead content in the leachate from the landfill by using solid waste of tofu. This study assed the effects of weight of the solid waste of tofu and the contact time on the efficiency of the Pb adsorption. The sample used in this study was artificial sample of a solution of Pb metal ion and the sample of the leachate of the landfill waste.  The study was carried out with a batch system, with the variables of weight of waste of tofu of 0.5; 1.0; 1.5 g. While the variables of the contact time were 0, 30, 60, 90, 120 and 150 minutes. To determine the optimum conditions, the waste of tofu was dissolved in 50 mL of Pb metal ion solution with a concentration of 20.27 mg/L and stirred with a shaker for 30 minutes at a speed of 180 rpm. The same thing was done by varying the contact time. When the optimum condition was obtained, it was applied with varying concentrations of Pb metal ion solution and garbage landfill leachate. The initial and the final levels of the Pb metal ion solution were analyzed by using the Atomic Adsorption Spectroscopy (AAS). The initial and the final results of the heavy metals were analyzed for disclosing the adsorption efficiency. To reveal the effects of the weight of the waste of tofu and the contact time, the data were analyzed with graphs. The waste of tofu with a weight of 1.5 g and a contact time of 90 minutes, had an adsorption efficiency of 97.68% at a concentration of 20.27 mg / L for Pb ion solution and 28.57% for the leachate from the landfill waste in 100 mL of leachate.Keywords: solid waste of tofu, adsorbent, adsorption, lead, leachate Abstrak (Indonesian): Telah dilakukan penelitian tentang adsorpsi kadar timbal dalam lindi dari sampah TPA dengan menggunakan limbah padat tahu. Penelitian ini akan mengkaji pengaruh berat ampas tahu dan waktu kontak terhadap efisiensi adsorpsi Pb. Sampel yang digunakan dalam penelitian ini adalah sampel buatan dari larutan ion logam Pb dan sampel dari lindi sampah TPA. Penelitian dilakukan dengan sistem batch, dengan variabel berat ampas tahu 0,5; 1,0; 1,5 g. Sedangkan variabel waktu kontak adalah 0, 30, 60, 90, 120 dan 150 menit. Untuk menentukan kondisi optimum, variabel berat ampas tahu dilarutkan dalam 50 ml larutan ion logam Pb dengan konsentrasi 20,27 mg/L lalu di aduk dengan shaker selama 30 menit dengan kecepatan 180 rpm. Hal yang sama dilakukan dengan variasi waktu kontak, setelah diperoleh kondisi optimum diaplikasikan dengan variasi konsentrasi larutan ion Pb dan lindi sampah TPA. Kadar larutan ion logam Pb awal dan akhir dianalisis dengan menggunakan Spektrofotometer Serapan Atom. Hasil awal dan akhir logam berat dianalisis untuk diketahui efisiensi adsorpsinya. Untuk mengetahui pengaruh berat ampas tahu dan waktu kontak data dianalisis dengan grafik. Ampas tahu dengan berat 1,5 g dan waktu kontak 90 menit, efisiensi adsorpsinya sebesar 97,68% pada konsentrasi 20,27 mg/L untuk larutan ion Pb dan 28,57% untuk lindi dari sampah TPA dalam 100 mL lindi.Kata kunci : limbah padat tahu, adsorben, adsorpsi, timbal, lindi.
Transesterification of Tropical Edible Oils to Biodiesel Using Catalyst From Scylla serrata Risfidian Mohadi; Hesti A. Harahap; Nurlisa Hidayati; Aldes Lesbani
Sriwijaya Journal of Environment Vol 1, No 2 (2016): Developing Without Destruction
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.181 KB) | DOI: 10.22135/sje.2016.1.2.24-27

Abstract

Abstract: Scylla serata shell was decomposed at various temperatures ranging from 700-1100 oC to obtain calcium oxide. Calcium oxide from decomposed Scylla serrata shell was characterized through X-Ray analysis, FTIR spectroscopy, and morphology analysis. Furthermore, decomposed Scylla serrata shell was used as catalyst for transesterification of tropical edible oils to form biodiesel. Biodiesel was characterized through density, viscosity, fatty acid value, and iodine number. The results showed that decomposed Scylla serrata shell at 900 oC could produce calcium oxide similar with standard, which was indicated from X-ray powder diffraction pattern of decomposed shell with JCPDS data. FTIR spectrum showed that main vibration of calcium oxide was observed at 393 cm-1. Morphology analysis using SEM indicated that uniform calcium oxide was obtained after decomposition. The use of decomposed shell as base catalyst for transesterification of tropical edible oils resulted biodiesel with density, viscosity, fatty acid value, and iodine number appropriated with SNI standard.Keywords: transesterification, edible oils, biodiesel, Scylla serrataAbstrak (Indonesian): Scyalla serrata telah didekomposisi pada berbagai suhu dari 700-1100 oC untuk diperoleh kalsium oksida. Kalsium oksida hasil dekomposisi dari cangkang Scylla serrata dikarakterisasi melalui pengukuran sinar X, analisis FTIR, dan analisis morfologi. Lebih lanjut, dekomposisi cangkang Scylla serrata digunakan sebagai katalis transesterifikasi minyak yang dimakan dari daerah tropis menjadi biodisel. Biodiesel dikarakterisasi melalui penentuan densitas, viskositas, nilai asam lemak, dan bilangan iod. Hasil penelitian menunjukkan bahwa dekomposisi cangkang Scylla serrata pada 900 oC dapat menghasilkan kalsium oksida mirip kalsium oksida standar yang diindikasikan dari pola difraksi XRD yang mirip data JCPDS. Spektrum FTIR menunjukkan vibrasi utama kalsium oksida teramati pada bilangan gelombang 393 cm-1. Analisis morfologi menggunakan SEM menunjukkan bahwa bentuk yang lebih seragam diperoleh setelah proses dekomposisi. Penggunaan cangkang hasil dekomposisi sebagai katalis basa untuk transesterifikasi minyak yang dimakan dari daerah tropis menghasilkan biodisel dengan densitas, viskositas, nilai asam lemak, dan bilangan iod yang sesuai dengan standar SNI.Kata kunci: transesterifikasi, minyak yang dimakan dari daerah tropis, biodiesel, Scylla serrata
Biodiversity of Birds in the Green Urban Area of Petrochemical Industry, Palembang, South Sumatra, Indonesia Yona Selvia Arma Dewita; Hilda Zulkifli; Harmida Harmida
Sriwijaya Journal of Environment Vol 1, No 2 (2016): Developing Without Destruction
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.669 KB) | DOI: 10.22135/sje.2016.1.2.28-31

Abstract

Abstract: The study on "The Biodiversity of Birds in the Region of Green Open Space (GOS) of The Petrochemical Industry, Palembang, South Sumatra, Indonesia" was conducted from August to September 2014 with the objective to determine the diversity of bird species. The method used to inventory bird species was Indice Ponctuels' Abondance (IPA) method. The results of the study revealed that there were at least 19 species of birds included in 14 families, in which four of the bird species were the species protected by the law, namely Halcyonchloris, Haliasturindus, Halcyonsmyrnensis, and Nectariniajugularis. The plant species as the habitat of the birds included Pterocarpus indicus Willd. (16.74%), Polyalthialongifolia Sonn. (14.02%), Cocosnucifera L. (12.98%), Elaeisguineensis Jacq. (7.76%) and Mangiferaindica L. (7.71%) with the diversity index of 2.96. These data prove that the area of green urban industry can also serve as a habitat for wildlife such as birds provided that the management of the green open space remains the concern of the industry.Key words:  Birds Biodiversity, Urban Industrial AreaAbstrak (indonesian): Penelitian “Keanekaragaman Burung di Kawasan  Ruang  Terbuka  Hijau  (RTH) Industri petrokimia, Palembang, Sumatra Selatan, Indonesia” dilakukan pada bulan Agustus sampai dengan September 2014 bertujuan  untuk mengetahui keanekaragaman jenis burung,. Metode yang digunakan metode Indice Ponctuels’ Abondance (IPA) untuk inventarisasi jenis burung. Hasil penelitian mencatat terdapat minimal 19 jenis burung yang tercakup dalam 14 famili., dimana diantaranya tercatat 4 jenis burung yang merupakan jenis yang sudah dilindungi undang-undang  yaitu Halcyon chloris, Haliastur indus, Halcyons myrnensis, dan Nectarinia jugularis. Jenis tumbuhan sebagai habitat burung tercatat Pterocarpus indicus Willd. (16,74%), Polyalthialongi folia Sonn. (14,02%), Cocosnucifera L. (12,98%), Elaeisguineensis Jacq. (7,76%) dan Mangiferaindica L. (7,71%) dengan indeks keanekaragaraman (diversity index)  2,96. Data ini membuktikan bahwa pada kawasan green urban industry juga dapat berfungsi sebagai habitat satwa seperti burung dengan catatan pengelolaan ruang terbuka hijau tetap menjadi perhatian industri.Kata Kunci: keragaman burung, daerah industri perkotaan
Preparation Calcium Oxide From Chicken Eggshells Risfidian Mohadi; Kiki Anggraini; Fahma Riyanti; Aldes Lesbani
Sriwijaya Journal of Environment Vol 1, No 2 (2016): Developing Without Destruction
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (407.883 KB) | DOI: 10.22135/sje.2016.1.2.32-35

Abstract

Abstract: The preparation of metal oxide CaO from chicken eggshell has been carried out by decomposition at various temperatures 600, 700, 800, 900, and 1000oC. The metal oxide CaO was characterized using XRD. Furthermore, The optimum temperature for preparation of CaO was determined based on the XRD pattern, then the characterization of CaO was extended using FT-IR spectrophotometer and BET analysis. The results show that the optimum temperature for preparation of CaO from chicken eggshell is 900oC with peak of 2Ө at 32.3o, 37.4o, 53.9o, 64.2o and 67.5o, respectively. The FT-IR spectrums show the unique vibration for Ca-O at 393 cm-1. The BET analysis show that CaO has surface area 68 m2/g with pore volume 1.65 cm3/g and pore size 6.6 nm which can be classified as mesoporous.Keywords: eggshell, base catalyst, CaO, BET, mesoporous Abstrak (Indonesian): Pembuatan oksida logam CaO dari cangkang telur ayam telah dilakukan melalui dekomposisi pada berbagai suhu 600, 700, 800, 900, dan 1000°C. Oksida logam CaO dikarakterisasi dengan XRD. Selanjutnya, Suhu optimum untuk persiapan CaO ditentukan berdasarkan pola XRD, setelah itu karakterisasi CaO dilanjutkan menggunakan FT-IR spektrofotometer dan analisis BET. Hasil penelitian menunjukkan bahwa suhu optimum untuk pembentukan CaO dari cangkang telur ayam adalah 900°C dengan puncak 2Ө muncul di 32.3°, 37.4°, 53.9°, 64.2° dan 67.5°. Spektrum FT-IR menunjukkan vibrasi unik untuk Ca-O di 393 cm-1. Analisis dengan BET menunjukkan bahwa CaO memiliki luas permukaan 68 m2/g dengan volume pori 1,65 cm3/g dan ukuran pori 6,6 nm yang dapat diklasifikasikan sebagai mesopori.Kata kunci: kulit telur, katalis basa, CaO, BET, mesopori

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