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All Journal Reaktor Seminar Nasional Teknik Kimia Kejuangan Dinamika Lingkungan Indonesia
Adrianto Ahmad
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Riau
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology

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Pemanfaatan Pelepah Kelapa Sawit menjadi Bioetanol dengan Variabel Konsentrasi H2SO4 dan Waktu Fermentasi Adrianto Ahmad; Idral Amri; Rahmah Nabilah
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2020: PROSIDING SNTKK 2020
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Pengaruh Konsentrasi H2SO4 (Asam Sulfat) pada Proses Hidrolisis dan Waktu Fermentasi Terhadap Pemanfaatan Limbah Sagu Menjadi Bioetanol Adrianto Ahmad; Sri Rezeki Muria; Hilmiyati Hilmiyati
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2020: PROSIDING SNTKK 2020
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Pengaruh Konsentrasi Asam Klorida (HCl) Pada Hidrolisis dan Waktu Fermentasi Terhadap Limbah Padat Sagu Menjadi Bioetanol Adrianto Ahmad; Sri Rezeki Muria; Rahani Rahani
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2020: PROSIDING SNTKK 2020
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Produksi Biohidrogen dari POME (Palm Oil Mill Effluent) Menggunakan Bioreaktor Hibrid Anaerob dengan Variasi Waktu Retensi Hidrolik Adrianto Ahmad; Evelyn Evelyn; Dini Avriliani
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2020: PROSIDING SNTKK 2020
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Pemanfaatan Serat Buah Kelapa Sawit menjadi Bioetanol dengan Variabel Konsentrasi H2SO4 pada Proses Hidrolisis Adrianto Ahmad; Idral Amri; Wida Sri Wani
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2020: PROSIDING SNTKK 2020
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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The performance of a pilot-scale anaerobic hybrid bioreactor on palm oil mill effluent treatment Adrianto Ahmad; Bahruddin Bahruddin; David Andrio; Amir Hamzah
Reaktor Volume 19 No. 3 September 2019
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.244 KB) | DOI: 10.14710/reaktor.19.3.111-116

Abstract

Contemporarily, Indonesia and Malaysia are the largest contributors of crude palm oil (CPO) in the world by up to 40%, and 37.3%, respectively. Furthermore, its production value this year reached 19.7 million tons, where each generates 2.5 m3 of wastewater. Meanwhile, of all the provinces in Indonesia specifically, Riau is the largest supplier for exports by up to 38%, generated from 225 palm oil mills, where a total of 6.3 million tons resulting in the generation of about 15.75 million m3 of wastewater, with organic content between the range of 30,000-60,000 mg COD/l. In addition, one of the uses of this wastewater includes anaerobic processes, with the double benefit of reducing COD concentrations, subsequently applying it as fertilizer, and also in the production of methane gas, as an alternative source of energy. The purpose of this study, therefore, is to observe the effect of bioreactor volume, scale-up on the performance of anaerobic hybrid bioreactors, in the treatment of mill effluents. The technology examined in this study was the anaerobic hybrid bioreactor with the dimensions of length 22 m, width 10 m, and depth 1.5 m, and a total volume of 330 m3, which is impermeable to oxygen, and a 250 m3 effective working volume. This was built and operated at a hydraulic retention time of 1 day, in the Palm Oil Mill of Riau, and the results showed the environmental conditions to range from a pH of 7.2 to 8.0, with temperatures from 320C to 350C, acetic acid of 774 mg/l to 1,180 mg/l, and alkalinity of 2,149 mg/l up to 2,400 mg/l. Furthermore, the performance of these reactors are shown by the highest COD removal efficiency of 77.8%, and a biogas test for the propensity of being applied as an alternative energy source obtained a methane gas concentration of 54%. Keywords: anaerobic, bioreactor, biogas, wastewater, performance, palm oil mill effluent
Pengaruh Variasi Temperatur Terhadap Kinetika Reaksi Solidifikasi Fly Ash Paving Blok Geopolimer Aman Aman; Amir Awaluddin; Adrianto Ahmad; Monita Olivia
Dinamika Lingkungan Indonesia Vol 5, No 2 (2018)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.241 KB) | DOI: 10.31258/dli.5.2.p.126-130

Abstract

This paper reported about  the investigated of  fly ash solidification with geopolymer process that studied temperature variation on the rate of solidification using Vicat Nidle apparatus and leaching tests on the content of heavy metals Cu, Pb, Cr and Cd in paving blocks after solidification. The transformation process of geopolymer crystalline formation was analyzed by Avrami’s kinetics theory (Avrami’s kinetica theory). From the results of the study obtained the optimum temperature of 80 oC, the highest rate of crystal growth solidification (K) value of 0.0475 and the Avrami exponent value (n) of 2.310 in this geopolymerization process shows a two-dimensional structure. From the results of leaching levels of heavy metals Cu, Pb, Cr and Cd in fly ash paving blocks are very small degraded in water and still below the environmental threshold.
Implementasi Pengelolaan Limbah Cair Rumah Sakit Islam Ibnu Sina Pekanbaru Hartati Hartati; Adrianto Ahmad; Elda Nazriati
Dinamika Lingkungan Indonesia Vol 2, No 2 (2015)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (41.429 KB) | DOI: 10.31258/dli.2.2.p.87-91

Abstract

Liquid waste discharged from Ibnu Sina Muslim Hospital have a negative impacton the environment if the waste is not properly managed. Therefore it is mandatory to controlthe disposal priar to discharging in to the environtment. The present study aimed to determineliquid waste magement by determining the quality of effluent of Ibnu Sina Muslim Hospitaland comparing to the liquid waste quality standard of the minister of environment (Decre No58/1995) on the liquid waste quality of hospital activities. Data obtained by observation,questionnaires and laboratotory examination. Apparently, the temperatur BOD5, COD, pHana MPN meets effluent quality standard; while the ammonia, phosphate and TSS exceededthe upper treshold. Wastewater management Ibnu Sina Muslim as chlorine tank. Knowledgeof employees and health workers Ibnu Sina Muslim Hospital Pekanbaru on liquid wastemanagement has been high but in the setting process and operating conditions ware less. 
Co-Authors Aman Aman Amir Awaluddin Amir Hamzah Bahruddin David Andrio Dini Avriliani Elda Nazriati Evelyn Evelyn Hartati Hartati Hilmiyati Hilmiyati Idral Amri Monita Olivia Rahani Rahani Rahmah Nabilah Sri Rezeki Muria Wida Sri Wani