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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Optimasi Sistem Industri IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Science and Technology Indonesia Jurnal Kesehatan Jurnal Teknik Kimia Madaniya SRIWIJAYA JOURNAL OF ENVIRONMENT JUMANTIK (Jurnal Ilmiah Penelitian Kesehatan) JURNAL REKAYASA KIMIA & LINGKUNGAN
Muhammad Faizal
Chemical Engineering Department Universitas Sriwijaya
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Public Health

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The usage of thermoelectric generator as a renewable energy source Cekmas Cekdin; Zainuddin Nawawi; Muhammad Faizal
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 18, No 4: August 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v18i4.13072

Abstract

Currently thermoelectric generators (TEG) are widely used in biomedical, military and space satellite power applications. TEG of high power plants are mostly used in automobile and industrial engines. This paper discusses TEG as a renewable energy source. Here the TEG in the application is used in the thermoelectric generator power plant. The working principle of this thermoelectric generator is on the heat side of the TEG peltier which is coated in metal in the form of aluminum, which is heated by a heater. And the cold side of the TEG Peltier is placed on the heat sink (as a heat dissipation metal). Heatsinks are submerged in water which are submerged about half or more. If the temperature of the metal being heated and the temperature of heat dissipation metal have a certain difference, then the temperature difference causes TEG to start working. The greater the temperature difference, the greater the electrical energy produced will be. However, if the temperature difference is too large it will damage the bismuth semiconductor material used. After TEG starts working it will produce voltage and current.
Pembuatan briket dari campuran limbah plastik LDPE dan kulit buah kapuk sebagai energi alternatif Muhammad Faizal; Achmad Daniel Rifky; Irwanto Sanjaya
Jurnal Teknik Kimia Vol 24 No 1 (2018): Jurnal Teknik Kimia
Publisher : Chemical Engineering Department, Faculty of Engineering, Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jtk.v24i1.184

Abstract

Setiap tahun penggunaan bahan bakar fosil mengalami peningkatan, yang mengharuskan untuk mecari sumber energi alternatif sebagai pengganti bahan bakar fosil. Kulit buah kapuk merupakan limbah perkebunan yangjumlahnya berlimpah di indonesia dan memiliki kadar selulosa yang cukup tinggitetapi masih kurang pemafaatannya secara maksimal. Pencampuran limbah kulit buah kapuk dengan bahan baku yang memiliki nilai kalor tinggi seperti limbah plastik ldpe dinilai dapat dijadikan sebagai energi alternatif yaitu biobriket. Pada penelitian ini dilakukan pembuatan biobriket dari kulit buah kapuk dan limbah plastik LDPE.Variabel yang digunakan pada penelitian ini adalah temperatur karbonisasi, komposisi campuran dari arang kulit buah kapuk dan limbah plastik LDPE. Temperatur karbonisasi yang digunakan pada penelitian ini yaitu 400˚C, 500˚C dan 600˚C. Variabel komposisi bahan baku yang digunakan pada penelitian ini yaitu 100% KBK: 0% LDPE, 95% KBK: 5% LDPE, 90% KBK: 10% LDPE dan 85% KBK: 15% LDPE. Perekat yang digunakan barupa tepung kanji dengan kadar campuran 10% dari total berat biobriket. Pada penelitian ini diperoleh biobriket dengan kualitas optimal pada temperatur karbonisasi 500˚C dengan komposisi 85% kulit buah kapuk (KBK) dan 15% Plastik LDPE dimana diperoleh nilai kalor sebesar 6985,35 cal/g, kadar karbon padat 51,12%, kadar air lembab 4,65%, Kadar abu 4,23% dan kadar zat terbang 39%.
Penurunan BOD, TSS, minyak dan lemak pada limbah cair pabrik kelapa sawit menggunakan proses aerasi plat berlubang Sisnayati Sisnayati; Dian S. Dewi; Rachmawati Apriani; Muhammad Faizal
Jurnal Teknik Kimia Vol 27 No 2 (2021): Jurnal Teknik Kimia
Publisher : Chemical Engineering Department, Faculty of Engineering, Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jtk.v27i2.559

Abstract

Seiring dengan meningkatnya produksi Crude Palm Oil (CPO) di Indonesia, maka akan menghasilkan Limbah Cair Pabrik Kelapa Sawit dalam jumlah yang besar pula. Limbah Cair Pabrik Kelapa Sawit (LCPKS) akan menjadi masalah pencemaran lingkungan jika tidak dikelola dengan baik. Hal ini dikarenakan LCPKS memiliki kandungan Biochemical Oxygen Demand (BOD), Total Suspended Solid (TSS), minyak dan lemak yang melebihi ambang batas baku mutu lingkungan. Oleh karena itu, diperlukan suatu upaya untuk mengurangi kadar BOD, TSS, minyak dan lemak yang terkandung dalam LCPKS ini. Penelitian ini dilakukan untuk mengetahui pengaruh variasi waktu air bubbling terhadap penurunan konsentrasi BOD, TSS, dan minyak & lemak dalam LCPKS. Metode yang digunakan pada penelitian ini adalah metode aerasi menggunakan kolom plat berlubang dengan mengalirkan udara ke dalam LCPKS dan tanpa menggunakan bahan tambahan lain. Variabel tetap yang digunakan adalah volume LCPKS sebanyak 7 L dan debit udara yang dimasukkan dalam LCPKS sebesar 5 Liter/menit sedangkan variabel proses yang diamati pada penelitian ini adalah kandungan BOD, TSS, minyak dan lemak dan variabel perlakuannya adalah perubahan waktu operasi per hari selama 6 hari. Penurunan kandungan BOD terbesar terjadi pada hari ke-2 dengan persentase penurunan sebesar 95,5%. Penurunan kandungan TSS terbesar terjadi pada hari ke-4 dengan persentase penurunan sebesar 91,61%, sedangkan penurunan kandungan minyak dan lemak terbanyak terjadi pada hari ke-5, dengan persentase penurunan sebesar 69,14%.
Pembuatan dan purifikasi bioetanol dari tandan kosong kelapa sawit variabel waktu fermentasi dan jumlah ragi Muhammad Faizal; M. Isa Ansyori Fajri; Maria Putri Pardede
Jurnal Teknik Kimia Vol 22 No 3 (2016): Jurnal Teknik Kimia
Publisher : Chemical Engineering Department, Faculty of Engineering, Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Tandan Kosong Kelapa Sawit adalah limbah padat yang berasal dari Kelapa Sawit. Kelapa Sawit merupakan produk unggulan yang banyak menghasilkan minyak. Tetapi limbah yang dihasilkannya tidak sedikit. Sekitar 20-23% berat limbah yang akan dihasilkan dari Kelapa Sawit. Untuk itu, dilakukan pembuatan bioetanol dari Tandan Kosong Kelapa Sawit untuk mengurangi dampak limbah dan menambah nilai dari limbah tersebut. Penelitian ini menggunakan variasi Waktu Fermentasi 1, 2, 3, dan 4 hari serta berat ragi untuk fermentasi 1, 2, dan 3 gram. Hasil penelitian menunjukkan semakin lama waktu fermentasi maka semakin besar pula kadar etanol yang dihasilkan. Ditunjukkan dari waktu 4 hari dengan berat ragi 3 gram menghasilkan kadar bioetanol sebesar 5,11%. Penggunaan zeolit juga dilakukan untuk purifikasi dari bioetanol dengan tujuan menaikkan kadar bioetanol yang dihasilkan. Ditunjukkan dari waktu 4 hari dengan berat ragi 3 gram menghasilkan kadar bioetanol sebesar 5,43%. Dan kenaikan kadar bioetanol paling besar pada sampel dengan waktu 3 hari dengan berat ragi 3 gram sebesar 0,57%.
Pengaruh komposisi biobriket dari tkks, ampas tebu, dan serbuk gergaji dengan perekat kanji terhadap nilai pembakaran Muhammad Faizal; Muhammad Arif Kurniawan; Deni Kurniawan
Jurnal Teknik Kimia Vol 22 No 4 (2016): Jurnal Teknik Kimia
Publisher : Chemical Engineering Department, Faculty of Engineering, Universitas Sriwijaya

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Abstract

Pemanfaatan biomassa menjadi energi terbarukan merupakan inovasi untuk menjadi energi alternatif penganti bahan bakar fosil. Salah satu energi terbarukan adalah briket dari bahan baku biomassa. Salah satu sumber energi biomassa yang memiliki potensi saat ini adalah limbah yang dihasilkan oleh industri perkebunan seperti tandan kosong kelapa sawit (TKKS), limbah ampas tebu, dan serbuk gergaji yang tidak dimanfaatkan secara maksimal sebagai bahan bakar dengan kualitas pembakaran yang lebih tinggi. Pada fokus penelitian, variabel komposisi dengan enam variasi sebagai variabel bebas (TKKS 100%, Ampas Tebu (AT 100%), Serbuk Gergaji (SG 100%), Campuran 1(TKKS 50%, AT 25 %, SG 25 %), campuran 2 (TKKS 25%, AT 50%, SG 25%), campuran 3 (TKKS 25 %, AT 25%, SG 50%) dengan waktu karbonasi dari variasi tersebut 15 menit dan 30 menit. Ukuran partikel arang 40 mesh, pengeringan briket 80oC 3 jam, tekanan pengepresan 8 psi, 10% perekat kanji, temperatur karbonasi 350oC sebagai variabel tetap. Analisa terhadap briket campuran tersebut dilakukan pengujian inherent moisture, ash content, volatile matter, fixed carbon dan kemudian uji nilai kalor dari pengaruh pencampuran bahan baku. Nilai kalor yang tinggi berasal dari SG 100% dengan karbonasi 30 menit yaitu 6025,8 cal/gr. Nilai kalor tersebut juga berpengaruh untuk komposisi yang didominasi dari serbuk gergaji yaitu campuran 3 (TKKS 25%, AT 25%, SG 50 %). Campuran tersebut memiliki nilai kalor tertinggi dari campuran lainnya dengan karbonasi 30 menit yaitu 5580,6 cal/gr.
Air Quality Analysis of SO2, NO2 and CO in Palembang City Shelly Nofri; Muhammad Faizal; Risfidian Mohadi
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 2, No 3 (2017): October 2017
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v2.i3.58

Abstract

Population activity which tends to centralized in certain area cause decrease in air quality due to exhaust gas from transportation vehicle. From 2011-2014, Palembang city transport growth 3-5% per year comprise of passenger transportation, buses, truck, motorcycle and special vehicle. The increase of vehicle in Palembang gave the city air pollution potential. Transportation is the main source of air pollution in big city with 70% contribution. Exhaust gas from transport activity consist of 60% CO and 15% incomplete combustion of hydrocarbon such as NOx and Sox. The aim of research is to analyzed air quality in Palembang city. Samples were taken and subject to analysis for SO2, NO2 and CO. Sample location were determined by using purposive sampling. Location was chosen by means of traffic density at least for one hour and took place at Charitas crossroads, Patal intersection, Mesjid Agung circle, Lemabang crossroad and Plaju intersection. Result of analysis showed SO2 level is at range 112-208 mg/Nm3/hour. NO2 level between 45-227 mg/Nm3/hour and CO at range 12.595-18.320 mg/Nm3/hour. All parameter of air quality obtained are below threshold value defined by government regulation (GR) on air quality No 41 year 1999.
Corrosion Analysis On Internal Plastic Coating Drill Pipe 5 Inch 19.50 PPF Grade G-105 Ario Oktora; Eka Sri Yusmartini; Muhammad Faizal
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 6, No 1 (2021): February 2021
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v6.i1.27

Abstract

In the oil, gas and geothermal drilling industry, the use of a drill pipe is vital for its use as an addition to the length of the drilling depth. Another function of the drill pipe is to channel high pressure drilling mud (drilling fluid / fluid) to the drill bit. During the drill pipe operation, several problems were encountered, such as broken, bent, and leaking or wash-out drill pipes. This is very detrimental to the company because the time to replace a new drill pipe will take a long time, and will disrupt the drilling program which will result in high drilling operational costs. This study analyzes the corrosion of the drill pipe which can cause damage to the drill pipe. The analysis on the drill pipe includes analysis of thickness, corrosion rate, remaining life, internal plastic coating damage, and SEM. The results show that the storage and use of drill pipes greatly affect the conductivity of the drill pipe.
Water pollution evaluation as consequent of old wells oil exploration Sriyani Sopeana; Eddy Ibrahim; Muhammad Faizal
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 2, No 3 (2017): October 2017
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v2.i3.62

Abstract

This research was aimed to investigate effect of oil spills on surface water from exploration in Dutch well.The investigation was carried out by in situ measurement of some parameters.Water sample was collected by grab sampling method and the analysis was conducted at Laboratory of Environment Badan Lingkungan Hidup dan Penelitian Pengembangan (BLHPP) Kabupaten Musi Banyuasin.The measurement result showed that some parameters did not fulfill the requirement of Standar Quality for Domestic Water Regulation according to Government Regulation No. 82 year 2001 i.e. COD and Oil&Fat content. The surface water and shallow ground water quality had some parameters that did not comply with standar quality according to regulation such as BOD, COD, DO, and oil-fat content.Calculation of pollution indeks (PI) showed that domestic water has 3.26 and was categorized into slightly polluted. At surface water in Angit River, the calculation of PI showed that upstream river was slightly polluted (3.23), while midstream was slightly polluted (3.22) and in downstream river was mildly polluted (9.60). 
Production Methy Ester Sulfonate (MES) Based Rubber Seeds As One Of Chemical Injection Solutions In Enhanched Oil Recovery (EOR) Process Ineke Febrina Anggraini; Muhammad Said; Muhammad Faizal
Science and Technology Indonesia Vol. 4 No. 2 (2019): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1015.313 KB) | DOI: 10.26554/sti.2019.4.2.52-56

Abstract

One attempt to increase the recovery of oil from a reservoir is by injecting the surfactant. Surfactant is used for lowered tension interfaces (interfacial tension) between oil and water so able bring oil exit pores reservoir. It is a good opportunity for develop type surfactant based oil vegetable that is from oil seed rubber. As known from the chemical composition in oil seed rubber contain olein amounted to 39.45 % wt, which is almost approaching value olein from petrochemicals based by 40.7 %. For produce suitable surfactants with characteristics required by oil industry, then do formulation with combine MES surfactant produced with ingredients additives other as appropriate to produce a capable formula for give best performance to be applied on oil industry. From the test result, the MES from the rubber seed oil obtained has fulfilled the surfactant requirement with the value from soaking % crude oil recovery value is 0,815 % - 3,91 % with the best value is 3,91 %, pH value is 7,2 -8,2, density value is 1,006 - 1,065, the compability test result, both catalyst can be used because there is no difference and show positive results that there is no precipitate and clear colored of MES surfactant and also for Interfacial Tension test result is 0.373 - 0.254 dyne/cm.
Analisis Determinan Persepsi Masyarakat di Lingkungan Sekitar Industri Farmasi PT.X Kota Palembang Tuti'ul Amrina; Hilda Zulkifli; Muhammad Faizal
Jurnal Kesehatan Vol 10, No 1 (2019): Jurnal Kesehatan
Publisher : Politeknik Kesehatan Tanjung Karang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (25.357 KB) | DOI: 10.26630/jk.v10i1.1134

Abstract

The activities of the pharmaceutical industry are located bordering to the settlement of the negative impact on public health. This research aims to analyze the perception of the public, especially related to the nearest public health pharmaceutical industry PT.X location in the Village 5 Ilir, District II East Ilir Palembang. This study was conducted in September 2018. The population of this study was 600 households. in addition, the researcher used random sampling. There were 126 sample households which were the people who live in the ring-I industry. The study used a quantitative method by cross-sectional design. the Data collection instrument was a questionnaire, they are conducted based on the concept of health belief models, interviews and observations, the data were analyzed by using multiple logistic regression. The results showed that the perception of the public (56,3%) of the public health-related industries categorized as good. Characteristics of the community are mostly aged >43 years (51.6%), highly educated (>D3) of 53,2%, including a long stay at the old category (51,6%), good knowledge of (74,6%), and has the highest employment as self-employed (43,0%) as well as good health condition of (62,7%). The results of multiple logistic regression showed that the variable length of stay (OR=0,20); variable educational level (OR=0,30); knowledge variable (OR=4.=,81); public health (OR=3,89) affect the public perception of the pharmaceutical industry. 6%), and has the highest employment as self-employed (43,0%) as well as the good health condition of (62,7%). The results of multiple logistic regression showed that the variable length of stay (OR=0,20); variable educational level (OR=0,30); knowledge variable (OR=4,81); public health (OR=3,89) affect the public perception of the pharmaceutical industry.
Co-Authors Achmad Daniel Rifky Aditya M Rif'at Ambo Intang Apriani, Rachmawati Aprianti, Tine AR, Hasmawaty Ario Oktora Azizah Husin Cekmas Cekdin, Cekmas Christofora Desi Kusmindari Deni Kurniawan Destri Yunita Dian S. Dewi Dini Purwaningsih Eddy Ibrahim Eka Sri Yusmartini Hery Widijanto Hilda Zulkifli Hilda Zulkifli Imam Gunawan Putra Ineke Febrina Anggraini Irwanto Sanjaya Juni Prianto M. Isa Ansyori Fajri Maria Putri Pardede Miratna Juwita Muhammad Arif Kurniawan Muhammad Said Mutiara Rizki Prayesi Nabila Aprianti Poedji Loekitowati Hariani R. Arie Hartawan Ria Komala Risfidian Mohadi RIZCITA PRILIA MELVANI Shelly Nofri Sisnayati Sisnayati Sriyani Sopeana Suheyanto Suheryanto Teguh, Dedi Tuti'ul Amrina Tuty Emilia Agustina Ulfa Fitrializa Yogi Astrada Zainuddin Nawawi