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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains JURNAL REKAYASA KIMIA & LINGKUNGAN
Jhon Armedi Pinem
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Chemical Engineering, Chemistry & Bioengineering Energy Engineering

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Journal : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Penyisihan BOD5, COD Dan TSS Limbah Cair Pulp Dan Kertas Dengan Proses Koagulasi-Flokulasi Dan Membran Nanofiltrasi Hendriadi Siregar; Jhon Armedi Pinem; Idral Amri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Membrane technology began to be developed at this time. The low energy needed in the operation of membrane technology is one of the triggers for this technology to develope. Stages of the process carried out is the process of coaguulation-flocculation to reduce membrane work and nanofiltration processes with operating pressures of 3, 6, and 9 bars. The results obtained are the highest percentage of rejection NF membrane process obtained at a pressure of 9 bar that is equal to 76,30% BOD5; 90,54% COD; and 90% TSS with an average flux value of 19,49 L/m2.hour. Membrane-based processes with pressure thrust such as microfiltration, ultrafiltration, nanofiltration, and reserve osmosis have been widely used in water and wastewater treatment processes. The wastewater used in this study came from one of the pulp and paper industries. Keywords: Pulp and paper wastewater, nanofiltration, Coagulation, Flocculation, rejection
Sintesis Membran Silika Untuk Pengolahan Limbah Rhodamin B Variasi Komposisi Poly Etyhlen Glycol (PEG) Mutia Yuli Rahmawati; Jhon Armedi Pinem; Idral Amri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Membrane is a selective and semipermeable layer that lies between two phases, namely feed phase and permeate phase. Membrane synthesis usingsilica with phase inversion method. The purpose of this research were to make membranes of silica for waste Rhodamin Bwith 0; 0,15; 0,30; dan 0,45 gram by weight PEG and operating pressure of 1, 3, and 5 bars. This research produced porous membrane. The characterization membranes analysis were SEM analysis, flux and rejection. Based on Flux and rejection results showed that membrane with 0,30 gram composition of PEGwith of porous is 0,056 μmwas the most effective performance with the flux operating pressure 1, 3, and 5 bar was 18,13 L/m2.h, 31,20 L/m2.h, 41,36 L/m2.h and rejection elimination of Rhodamin B was 81,15%, 59,62% and34,08%. Based on characterization of membrane permeability, selectivity, and porous statistic showed that membrane silica were proven as membrane ultrafiltration. With a range of flux of 10-50 L/m2.h and a range of porous of 0,001-0,1 μm.Keywords: phase inversion, membrane, waste Rhodamin B, ultrafiltration
Pengolahan Limbah Cair Sawit Dengan Metode Aop (Advanced Oxidation Process) Menggunakan Katalis LaMnO3 Perovskite Dan Oksidan Peroxymonosulfate M Arief Riandy; Edy Saputra; Jhon Armedi Pinem
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5, No 1 (2018): Wisuda April Tahun 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Processing of palm oil into Crude Palm Oil (CPO) will produce a large amount of liquid waste. To produce a ton of crude palm oil (CPO) produced 6 m3 of palm oil mill effluent. In this study, a process for removing organic compounds in wastewater using the advanced oxidation process by combining peroxymonosulfate (2KHS5.KHSO4.K2SO4) and a catalyst of LaMnO3 Perovskite. The combination will produce sulfate free radicals that capable degrading harmful organic compounds in effluent effectively. Nanocrystalline LaMnO3 was obtained by calcination at a temperature of 800 °C for 2 hours with an average crystal diameter of the highest peak of 29 nm in the shape of the Rhombohedral catalyst and the catalyst has qualified the catalyst with a nanoparticle structure. Several variations of oxidation process variables were performed to assess their effect on organic matter decline. Some fixed variables were oxidation reaction temperature 30 oC, reaction time 120 min, stirring speed 400 rpm, and concentration of peroxymonosulfate solution 2 g/L, pH of liquid waste is 8 and catalyst concentration 0,4 g / L. Conclution of this research is efficiency of 80.5 % for decreasing COD and efficiency by 15,6% for TOC reduction. This proved that the LaMnO3 catalyst is capable of activating peroxymonosulfate.Keywords : AOP, LaMnO3 Perovskite, Oxidation, Peroxymonosulfate
Sintesis Membran Ultrafiltrasi Selulosa Asetat Untuk Pengolahan Limbah Cair Mall: Variasi Waktu Penguapan Liona Margarita Siahaan; Jhon Armedi Pinem; Idral Amri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Membrane is a thin layer, a barrier between two phases that are semipermeable, and serves as a selective separation media. In this research, membrane was prepared from cellulose acetate by phase inversion method. The purpose of this research was to determine the effect of solvent evaporation time to the performance of membranes asymmetry in the production of membranes for waste water treatment mall. Membrane prepared with variation of solvent evaporation time of 25, 45 and 65 seconds and operating pressure of 1, 3 and 5 bars. Characterization of the membrane is covering flux, rejection, SEM (Scanning Electron Microscopy), FTIR (Fourier Transform Infrared) and tensile strength. The results of SEM analysis showed all the membranes that are formed has an asymmetric structure. The results of FTIR analysis showed the absence of acetone solvent, acid formic and MSG in membrane. This research produed porous membrane and it had asymmetric structure.Key words : asymmetric membrane, mall, ultrafiltration and evaporation time
Pengaruh Penambahan Komposisi Hidroksiapatit Terhadap Pengurangan Massa Membran Jaringan Terpadu Untuk Aplikasi Biomaterial Geo Rayfandy; Jhon Armedi Pinem; Irdoni HS
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 1 Januari s/d Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Guided Tissue Regeneration (GTR) is one of the techniques used in periodontitis patients to treat tooth decay which provides an opportunity for the growth of new teeth. The purpose of this study is the synthesis of GTR membrans from chitosan, hydroxyapatite, and PEG and study the effect of variations in the composition of hydroxyapatite respectively 2, 4, and 6 gr. The membran is made from a mixture of chitosan, PEG and hydroxyapatite solution which is stirred until homogeneous. The results of the mixture are printed with a glass plate and characterized by membran biodegradation. The effect of adding hydroxyapatite composition to the GTR membran is increasing membran biodegradation. Keywords: chitosan, GTR, hydroxyapatite, membran, PEG.
Sintesis Dan Karakterisasi Membran Silika Dengan Variasi Aditif Polyethylene Glycol (Peg) Untuk Pengolahan Limbah Cair Hotel Nandra Saputra; Jhon Armedi Pinem; Syamsu Herman
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Pollution that come from hotel liquid waste could reduce water quality on surrounding area. One of the ways to overcome the water pollution that come from hotel liquid waste are using membrane technology. In this study, silica membranes were made with 1;2;3 % (w/w) composition variation of Polyethylene Glycol (PEG) and hotel liquid waste treatment using silica membranes were carried out with 1;2;3 bar operating pressure variation. Silica membranes that have been made were characterized by flux measurement and rejection measurement. The highest value of flux was obtained on membranes with 3 % (w/w) PEG composition and 3 bar operating pressure, that is 22,246 L/(m2.hour). The lowest value of flux was obtained on membrane with 1 % (w/w) PEG composition and 1 bar operating pressure, that is 12,843 L/(m2.hour). The highest rejection values of BOD5, COD and TSS parameters were obtained from membranes with 1 (% w/w) PEG composition and 1 bar operating pressure, that are 69,14%, 77,88% and 86,76% respectively. The lowest rejection values of BOD5, COD and TSS parameters were obtained from membranes with 3 (% w/w) PEG composition and 3 bar operating pressure, that are 41,41%, 54,09% and 61,67% respectively.Keywords : membrane, polyethylene glycol (PEG), silica
Sintesis dan Karakteristik Membran Komposit Kitosan-Silika Untuk Pengolahan Limbah Cair Hotel: Variasi komposisi Kitosan-Silika Baktiar Simaremare; Jhon Armedi Pinem; Syarfi Daud
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The membrane is a selective and semipermeable layer that is between two phases, namely the feed phase and the permeate phase. Membrane synthesis using chitosansilica with phase inversion method. The purpose of this research were to make membranes of chitosan-silica for hotel waste water treatment with 2,5:2,5, 2,5:3, 2,5:3,5, 3:2,5, 3:3, 3:3,5, 3,5:2,5, 3,5:3, 3,5:3,5, 4:2,5, 4:3, dan 4:3,5 gram chitosansilika. This research produced porous membrane. The characterization membranes analysis were SEM analysis, tensile strength, flux and rejection. Tensile strength analysis showed that membrane with the highest tensile strenghth was 52,235 Mpa for membrane with 4:3,5 gram composition of chitosan-silika. Based on Flux and rejection results showed that membrane with 3:3,5 gram composition of chitosan-silika was the most effective performance with the flux 21,98 L/m2.h and rejection elimination of BOD was 54,32%, COD was 72,44% and TSS was 84,32%. Keywords : flux, membrane, rejection, ultrafiltration
Pembuatan Membran Ultrafiltrasi Selulosa Asetat Untuk Pengolahan Limbah Cair Mal Ewith Riska Rachma; Jhon Armedi Pinem; Idral Amri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Ultrafiltration membrane is a membrane that resist colloids, particles, microorganisms such as bacteria and viruses or macromolecules that are 1 -100 nm in size. Membrane synthesis was using cellulose acetate material with phase inversion method. The purpose of this research were to make membranes of cellulose acetate for waste water treatment mall with 12.5%, 15%, 17.5%, and 20% by weight of cellulose acetate, operating pressure of 2, 3, and 4 bars. This research produced porous membrane and it had asymmetric structure.Key words : asymmetric, mall, porous membrane, rejecton , and ultrafiltration
Pengolahan Zat Warna Tekstil (Rhodamine B) Dengan Teknologi AOP (Advance Oxidation Processes) Menggunakan Katalis Ce@Carbon Sphere Dan Oksidan Peroxymonosulfate Ilok Dianggoni; Edy Saputra; Jhon Armedi Pinem
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Waste water of textile industry contributes in environmental pollution, especially wastewater containing dye and organic compounds are dangerous because they are non-biodegradable, toxic and harmful to the environment, like as Rhodamine B. Therefore, it is necessary to do the processing of waste dye textile industry to reduce the impact of pollution on the environment. One of the lastest innovations in the processing of textile waste is using advanced oxidation processes (AOPs) by oxidant capable of generating a radical sulphate (SO4*). This study aims to determine the activity of Ce@Carbon Sphere as a catalyst in the oxidation process, to degradation of dye in wastewater by using a combination of peroxymonosulfate and catalyst Ce@Carbon Sphere as an oxidater, and determine the optimum conditions to reduce dye in water. Catalytic synthesis process carried out by the hydrothermal process to produce black carbon from D-glucose and Cerium Nitrate Hexahidrate solution, at 180oC for 18 hours in an autoclave. Then calcined with N2 at 550oC for 2 hours. Degradation of Rhodamine B (waste artificially) 25 ppm for 2 hours with various concentrations of the catalyst 0,1; 0,2; 0,3 and 0,4gr/L and the concentration proxymonosulfate 1; 2; 3 and 4 g/L. One oft the conditions for reducing the levels of Rhodamine B in water is concentration of peroxymonosulfate at 1 g/L and Ce@Carbon Sphere at 0,1 g/L with efficiency up to 32,59%.Keywords: AOPs, Rhodamine B, Ce@Carbon Sphere, Peroxymonosulfate
Sintesis Membran Selulosa Asetat Untuk Desalinasi Air Payau Vany Silvia; Jhon Armedi Pinem; Rozanna Sri Irianty
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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One of energy that can be used to produce pure water in coastal areas of Riau is using cellulose acetate membrane. Raw material used in this experiment is a cellulose acetate, acetone and formamide. This research aims to make cellulose acetate membrane for brackish water treatment process into pure water with cellulose acetate variations of 16%,17%,18%,19% and 20% and operating pressure is 2, 4, 6, 8 and 10 bar. The results obtained are greater then the composition of the cellulose acetate will be smaller flux produced and greater the rejection is generated. The greater the operating pressure, the greater the flux obtained and smaller the rejection obtained.Keywords : cellulose acetate, flux, membrane,rejection
Co-Authors Al-Fitri, Mahriandhanie Chika Amin Fitra Amri, Idral Amri, Idral Amun Amri Arief Pratama Avisha Baktiar Simaremare Edy Saputra Edy Saputra Eka Putri Sriandriani Elvi Yenie, Elvi Eufransia, Lamria Ewith Riska Rachma Fajril Akbar Geo Rayfandy Hendriadi Siregar Hermana Setti Tarigan Idral Amri Ilok Dianggoni Irdoni HS Jaksa Or Justman Liona Margarita Siahaan M Arief Riandy Megah Mulia Ginting Mutia Yuli Rahmawati Nandra Saputra Nani Agustina Priscilla Vidya Merarin Rahmat Kurniawan Nasution Ramadhani, Trie Sucy Riandy, M Arief Riny Afrima Sari Rozanna Sri Irianty Sastra Silvester Ginting Selvi ' Angraini Syamsu Herman Syarfi Daud Syelvia Putri Utami Tumanggor, Imanuel Vany Silvia Windy Nila Hakim Yunita Selonika