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All Journal Reaktor Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan REKA RACANA Jurnal Reka Lingkungan JURNAL TEKNOLOGI LINGKUNGAN Jurnal Sains & Teknologi Lingkungan Journal of the Civil Engineering Forum Jurnal Teknik Lingkungan Nautical: Jurnal Ilmiah Multidisiplin Indonesia Jurnal Penyuuhan dan Pemberdayaan Masyarakat (JPPM) Journal of Creative Student Research Jurnal Pengabdian Masyarakat Jurnal Cahaya Edukasi

Siti Ainun

Institut Teknologi Nasional Bandung

Author-ID : 369176

Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Social Sciences Transportation Other

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PENGOLAHAN LINDI DENGAN OZON DAN PROSES OKSIDASI LANJUT BERBASIS OZON Mohamad Rangga Sururi; Siti Ainun Saleh; Amalia Krisna
Reaktor Volume 15, No.1, APRIL 2014
Publisher : Dept. of Chemical Engineering, Diponegoro University

Limbah industri tekstil di area pinggir kota Surabaya mempunyai karakteristik perbandingan COD dan BOD = 5.57. Limbah jenis ini sulit untuk dibiodegradasi. Studi ini mempelajari tekonologi elektrokoagulasi untuk mengolah limbah tekstil dengan menurunkan intensitas warna, Total Suspended Solid (TSS) dan Chemical Oxygen Demand (COD). Percobaan batch pada suhu kamar dilakukan untuk mempelajari pengaruh pH, jarak elektroda terhadap penurunan warna,TSS dan COD dan membandingkan biaya operasinya jika menggunakan pengolahan kimia.Effisiensi penurunan tertinggi untuk warna (91.96%), TSS (49.17%), dan COD (29.67%) terjadi pada pH awal 4.0 dan jarak elektroda 2 cm dengan elektroda Al/Al. Waktu optimum penurunan intensitas warna dalah 10 menit. Laju penurunan COD adalah : -dC/dt = 0.0053 C +0.056 , dengan C adalah konsentrasi COD. Jumlah sludge yang dihasilkan daripengolahan elektrokoagulasi 3.4 % lebih kecil dibandingkan menggunakan bahan kimia. Biaya yang digunakan untuk pengolahan dengan elektrokoagulasi 52.35 % lebih murah dibandingkan jika menggunakan koagulasi dengan bahan kimia ( tawas). Kata kunci : elektrokoagulasi, penurunan warna, penurunan TSS, laju degradasi COD, imbah tekstil Abstract Waste water from textile industry which is located in one suburb of Surabaya city as characteristic which the ratio of COD to BOD was 5.57. This type of waste water is difficult to be biodegraded. This study investigated elektrokoagulasi technology to treat textile waste water by removing color, total suspended solid, and Chemical Oxygen Demand. Batch experiment at room temperature was carried out to study the effect of pH, electrode distance for color, TSS and COD removal. This study also tried to compare the operation cost between elektrokoagulasi and chemical processes. The best removal efficiencies by Al electrodes was 91.96 % for color, 49.17 % for TSS and 29.67 % for COD which were under initial pH 4.0 and electrodes distance 2 cm. The optimum operation time for color removal was found 10 minutes.The COD degradation rate was - dC/dt = 0.0053 C +0.056, with C= COD concentration. Sludge result from elektrokoagulasi was 3.4 % less than that by chemical treatment.The operation cost for elektrokoagulasi is 52.35 % less than that for chemical coagulation.

PENYISIHAN Fe-ORGANIK PADA AIR TANAH DENGAN AOP (ADVANCED OXIDATION PROCESS) Siti Ainun Saleh; Mohamad Rangga Sururi; Kancitra Pharmawati; Indra Suryana
Reaktor Volume 15 No.4 Oktober 2015
Publisher : Dept. of Chemical Engineering, Diponegoro University

ORGANIC FERROUS REMOVAL IN GROUNDWATER USING ADVANCE OXIDATION PROCESS (AOP). Groundwater is usually contained a lot of iron concentration. Iron can bind organic materials which resulted in health and aesthetic problems, so it needs alternative technology to be applied for iron organic removal. The aim of the research is to gain the efficiency of iron organic (Fe2+) removal with ozone and UV light, known as advanced oxidation process (AOP). Groundwater samples were taken from Padasuka area in Bandung. Ozone was supplied continually into a semi-batch reactor with 1.5 liters of sample, then indigo colorimetric method was used to measure ozone residual concentration at contact time : 5, 10, 15, 25 and 30 minutes. Measurement of the concentration of iron and organic matter employed methods of penenthroline, followed by pemanganometri titration, consecutively. The initial concentration of iron (Fe2+) was 3.271 mg/L and the concentration of organic matter was 4.38 mg/L. The results showed that the removal efficiency was 90% for iron and 70% for organic material which gives an indication that the advanced oxidation process (AOP) with ozone and UV can remove the organic iron. Keywords: AOP; efficiency; Fe; groundwater; organic matter Abstrak Air tanah biasanya mengandung konsentrasi besi yang tinggi. Besi bisa berikatan dengan material organik yang bisa berdampak pada kesehatan dan masalah estetika sehingga perlu alternatif teknologi pengolahan untuk penyisihan besi organik. Tujuan dari penelitian ini adalah untuk mendapatkan tingkat efisiensi terbaik dari penyisihan besi organik (Fe2+) dengan menggunakan ozon dan sinar UV sebagai proses oksidasi lanjutan (AOP). Sampel penelitian in menggunakan air tanah dari daerah Padasuka Kota Bandung. Ozon dialirkan secara kontinyu ke dalam reaktor semi-batch dengan volume 1,5 liter. Pengukuran konsentrasi sisa ozon menggunakan metode indigo colorimetric pada waktu kontak: 5, 10, 15, 25 dan 30 menit. Pengukuran konsentrasi besi dan materi organik berturut-turut menggunakan metoda penanthroline dan titrasi pemanganometri. Konsentrasi awal besi (Fe2+) sebesar 3,271 mg/L dan konsentrasi materi organik sebesar 4,38 mg/L. Hasil penelitian menunjukkan bahwa tingkat penyisihan konsentrasi keduanya berturut turut adalah sebesar 90% untuk besi dan 70% untuk materi organik yang memberikan indikasi bahwa proses oksidasi lanjutan (AOP) dengan ozon dan UV dapat menyisihkan kandungan besi organik. Kata kunci: proses oksidasi lanjutan (AOP); tingkat efisiensi; Fe; air tanah; materi organik

Co-Authors ABDUL ASIS RUMAKAT AFIFAH TRI LARASATY Akmal, Rudi Amalia Krisna Amalia Krisnawati ANTON ZACHARIA SUHERDY Cahyanti, Irna CHINDY CINTHYA CITRA PERMATASARI DELTA FITRI SARI DEWI KOMALASARI Didin Agustian Permadi Dirgawati, Mila Djulianti, Yuke Dwinda Maudila Emma Akmalah FADIYAH, MAYANG AFI Fani Anjani Pertiwi Fani Anjani Pertiwi Fikri Abdillah FINKA AYU PRATIWI Gumilar, Geany Sharah HAFIDZAH, YUNITA RACHMAH HAFIDZAH, YUNITA RACHMAH Hartati, Etih Indra Suryana Iwan Juwana Jaelani Husni JULI SOEMIRAT Juli Soemirat, Juli JULINDA DJAFAR Julinda Djafar Kancitra Pharmawati, Kancitra Kasih Sakinah Irawan LARASATY, AFIFAH TRI Mariam Mariam Mauli Kasmi MAYANG AFI FADIYAH MEGA PRANADITYA Mohamad Rangga Sururi Najmi Nafisa Tuzzahra NESYA AMANDASARI H NIKO HALOMOAN Nugroho, Satrio Triadi Agung PANDU ARJASA PEPIN SEPTIANI PRANADITYA, MEGA PRANADITYA, MEGA Ramdani, Cepi Rininta Rolia Sita Risma Mustami RUMAKAT, ABDUL ASIS Sandi Gelardiansyah Satrio Triadi Agung Nugroho Sembiring, Rinawati SEPTIANI, PEPIN SEPTIANI, PEPIN Sita, Rininta Rolia Soni Pratamayudha Wijaya Tuzzahra, Najmi Nafisa WISYE NURFITRIANA Yuke Djulianti YUNITA RACHMAH HAFIDZAH

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