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Wahyu Rinaldi
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Jurusan Teknik Kimia, Fakultas Teknik Universitas Syiah Kuala, Jl. Syech Abdurrauf No. 7, Darussalam, Banda Aceh 23111, Indonesia
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INDONESIA
Jurnal Inovasi Ramah Lingkungan
Published by Universitas Syiah Kuala
ISSN : 28298950     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology
Jurnal Inovasi Ramah Lingkungan mempublikasikan artikel-artikel yang berkaitan dengan ilmu Teknik Kimia meliputi: Teknik Reaksi Kimia dan Katalisa, Satuan Operasi Nanopartikel, Teknologi Membran, Bioteknologi dan Bioproses, Analisis dan Pengendalian Proses, Teknologi Limbah dan Buangan Industri, dan Teknologi Pangan.
Arjuna Subject : Teknik Kimia (semua kategori) - Teknik Kimia (Lain-Lain)
Articles 30 Documents
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Kajian Pembuatan Film Plastik Biodegradable Dari Ekstrak Bonggol Jagung Mukhlisien Mukhlisien; Suhendrayatna Suhendrayatna; Mohd Montazeri; Hasnil Amar
Jurnal Inovasi Ramah Lingkungan Vol 2, No 1 (2021): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Indonesia as the second largest contributor for plastic waste, this is because most plastics are made from petroleum that it takes hundred years to unravel them. Bioplastic is one of the solution for the problem that caused environmental pollution by plastic waste. Bioplastics are plastics that are made from raw materials of starch derived from tubers and vegetables that naturally decomposed. The used of corncob starch because it has potential starch content and utilized waste food. The problem was the tensile testing of bioplastic did not match the convensional plastic standard. Therefore research varies corncob starch extract 3,5,7gr and varies gliserol plasticizer concentration 2, 3 and 4ml. Bioplastic then analyzed with tensile test, , water resistance test and biodegradable test. Optimum results was obtained with tensile strength 79.5 MPa. Optimum elongation 86 %. Water resistance optimum value 30,76%,  and biodegradable test  will degraded in 28 days. The overall value is included in the range of SNI values.
Studi Sorpsi Pemisahan Campuran Etanol-Air dengan Membran Polivinil Alkohol Chicka Indriani; Rahmadhani Putri Masbar; Fauzi Fauzi; Fachrul Razi
Jurnal Inovasi Ramah Lingkungan Vol 1, No 2 (2020): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Membran  polivinil alkohol  (PVA) yaitu salah  satu  membran  hidrofilik  yang  dipersiapkan untuk  pervaporasi etanol.  Pervaporasi bekerja  dengan  mekanisme solusi-difusi  melalui  tiga  tahap  sorpsi,  difusi,  dan  desorpsi. Namun penelitian  ini hanya  dibatasi  pada  peristiwa  sorpsi  yang terjadi.  Tujuan  penelitian  ini adalah  untuk mempelajari  hubungan  antara konsentrasi  dan  suhu  umpan  terhadap  derajat  swelling  dan  selektivitas  pada kinerja membran Polivinil Alkohol. Hasil peneltian menunjukkan bahwa tingkat selektivitas dan derajat  swelling pada  kinerja  membran  PVA semakin  meningkat  dengan  meingkatnya  suhu.  Derajat   swelling  yang  optimal diperoleh pada suhu 60°C dengan konsentrasi umpan etanol 75%. Nilai optimum selektivitas diperoleh pada 60°C dengan konsentrasi  umpan etanol 95%.
Karakteristik Pembakaran Biomassa Sawit sebagai Alternatif Penghasil Energi Panas dengan Menggunakan Fluidized Bed Combustor Mahidin Mahidin; Hisbullah Hisbullah; Oktari Taka; Muhammad Irsyadul Afkar
Jurnal Inovasi Ramah Lingkungan Vol 3, No 1 (2022): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

One of the technology that can be utilized to meet the energy demands is biomass combustion. In this study, the biomass sources is from part of the palm oil such as empty fruit bunches, palm oil fiber, palm oil fronds, and palm oil shell. This research was conducted using a fluidized bed combustor (FBC) tool, which aims to observe the characteristics of the combustion process on FBC devices. The characteristics observed in this study were the combustion temperature profile, flue gas composition, and the composition of the ash deposit chemical compound. The results obtained from this study are the best combustion temperature profile which is in the condition of combustion of 2 kg biomass with 1,25 m /minute velocity of air and the maximum combustion temperature obtained in the condition of combustion with a mass of 3 kg biomass with 1,25 m 3 /minute velocity of air. The best combustion conditions occur when the ammount of biomass is 3 kg and with 1,25 m 3 /minute velocity of air with the least amount of O2 and the highest amount of CO2 respectively 0.2 % and 19.9 %. The highest combustion efficiency in the FBC device is when burning 1 kg of biomass with 0,625 m 3 /minute velocity of air in the 4th minute which is equal to 94.9%. 3
Pembuatan Biodiesel dari Crude Palm Oil (CPO) Menggunakan Proses Kavitasi Hidrodinamik Muhammad Ikram; Muhfadzallah Muhfadzallah; Muhammad Dani Supardan; Anwar Thaib
Jurnal Inovasi Ramah Lingkungan Vol 2, No 2 (2021): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Biodiesel merupakan energi yang terbarukan sebagai pengganti bahan bakar fosil yang semakin menipis. Proses pembuatan biodiesel dari CPO (crude palm oil) dapat dilakukan melalui reaksi transesterifikasi. Sejumlah penelitian terus dikembangkan untuk menghasilkan biodiesel dengan lebih murah dan efisien diantaranya adalah proses kavitasi hidrodinamik. Penelitian ini bertujuan melakukan proses pembuatan biodiesel melalui reaksi transesterifikasi antara CPO dengan metanol untuk menghasilkan metil ester menggunakan kavitasi hidrodinamik. Penelitian ini diawali dengan menganalisis CPO meliputi densitas, viskositas dan asam lemak bebas. CPO dilakukan degumming dengan mereaksikan CPO dan asam phospat, menurunkan ALB melalui reaksi esterifikasi dengan asam sulfat dan rasio mol CPO dan alkohol 1:6 kemudian dianalisis persentase asam lemak bebasnya. Selanjutnya dilakukan reaksi transesterifikasi menggunakan CPO dengan ALB 0,8% dan 1,2%, rasio mol CPO terhadap metanol 1:5, 1:6, 1:7, 1:8, dan 1:9 dengan konsentrasi katalis NaOH 1% dari berat CPO yang digunakan serta variasi waktu selama 60, 90, 120 dan 150 menit. Hasil penelitian pembuatan biodiesel menggunakan proses kavitasi hidrodinamik menghasilkan yield dan mutu yang lebih tinggi dibandingkan dengan proses konvensional kecuali pada bilangan asam yang tinggi. Hasil penelitian terbaik dihasilkan pada kondisi waktu reaksi 120 menit dengan perbandingan mol CPO dan metanol 1:9 yaitu diperoleh yield sebesar 89,5%, densitas 0,869 g/cm 3 , viskositas 2,324 mm 2 /s, bilangan asam 2 mg KOH/g, bilangan penyabunan 205,34 mg KOH/g, bilangan iod 55,43 %, dan bilangan setana 55,29.
Pembuatan Plastik Biodegradable dari Limbah Kulit Pisang Raja Dengan Gliserol dan Minyak Sereh Aulia Rahmad Lubis; Muhammad Irsyad Mahadi Lubis; Cut Meurah Rosnelly
Jurnal Inovasi Ramah Lingkungan Vol 1, No 3 (2020): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

The use of plastic as a packaging is increasing, cause the stacking of plastic waste. It has an impact on environmental pollution, because plastic waste is a difficult waste to be decomposed by microorganism. Various attempts have been done to solve the problem of plastic waste, either is to make environmentally friendly plastic (bioplastic). Bioplastic is a plastic can be degraded by microorganism from source of plant compounds, such as cellulose and lignin. Banana peel can be used as raw material in the manufacture of bioplastic, because it has high content. Manufacture of environmentally friendly bioplastic packaging is done by the casting method. The problem is the mechanical properties of bioplastic is not similar to conventional plastic. Thus, various studies with variation of glycerol plasticizer concentration 20, 30 and 40% and with addition of antimicrobial lemongrass oil with concentration 10, 20 and 30%. The best result were obtained at 20% glycerol concentration with a tensile strength value of  0,415 kgf/mm 2 , and for the best elongation percentage in glycerol concentration and 40-10% lemongrass oil of 58,3% and water absorption also found in glycerol and concentration lemongrass oil 40-10% of 244%. For biodegradation test, the highest concentration of lemongrass oil was 30% with a degradation period of 22 days. In functional group testing with FT-IR showed a bioplastic sample added with lemongrass oil contained eight functional group and without lemongrass oil having five functional group, which the only difference in the range 2113,98 with the C=C alkuna group and in the range 1645,28 with the alkena group C=C.
Formulasi dan uji agent untuk produksi light concrete Farah Dwi Vaniya; Desri Kesumaning; Izarul Machdar
Jurnal Inovasi Ramah Lingkungan Vol 1, No 1 (2020): Jurnal Inovasi Ramah Lingkungan
Publisher : Universitas Syiah Kuala

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Abstract

In Indonesia, one of the most common problems is earthquakes. Indonesia is an earthquake-prone area that requires special materials for building construction. Lightweight concrete or light-concrete is one of the alternatives that can be applied to replace conventional concrete that is relatively heavier in the earthquake areabuildings construction. Light-concrete is not only strong, but also prudent in using aggregate, so it can be used for areas where there is not sufficient aggregate. One of the materials of light-concrete is a foaming agent that serves to create gas / air bubbles in cement mortar so that there are many pores in the concrete that can reduce concrete density to make the concrete lighter. The use of foaming agent has been widely applied, but the foaming agent is still imported from abroad. This study is conducted to meet the needs of cheaper foaming agent that can be obtained domestically. The basic components of the foaming agent comprise a mixture of solvent and additive surfactants. In this study, synthetic surfactants (sodium dodecyl sulfate), solvent propylrne glycol, aquades and NaCl were used. From the various concentrations of the above components, measurements of surface tension, foamness, foam density, and average grain size of the foam were conducted to obtain the best solution formulations.
Pemanfaatan Bittern Dan Cuka Sebagai Koagulan Pada Pembuatan Tahu Sri Ratna Dewi; Resi Handayani; Abu Bakar; Saifullah Ramli
Jurnal Inovasi Ramah Lingkungan Vol 2, No 2 (2021): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Salt waste known as bittern found in the village of  Baet Aceh Besar Regency is one type of liquid waste that has substantial benefits and is re-utilized as a coagulant on the manufacture of tofu. Tofu is a kind of processed products of soybeans. Its manufacture process requires coagulant as a coagulant substance. This study used waste from the production of salt as a coagulant namely bittern as well as vinegar to compare. In this study, Bittern was used as a clot on the tofu manufacture process. The results showed that the addition of bittern coagulant in the tofu manufacture process was better than with coagulant of vinegar. The best result of coagulant is when it has 2% concentration and in 20 minutes. It is proven in chemical test that on test of water content obtained value about 83%, ash content test was 3% and 16% protein test while fat content was 11%.
Sintesis Nanopartikel Poly(NIPAM) Polimer untuk Pemurnian Enzim Protease dengan Teknik Afinitas Presipitasi Munir Mukhlisin; Risky Rivaldy; Syaubari Syaubari; Muhammad Faisal
Jurnal Inovasi Ramah Lingkungan Vol 1, No 3 (2020): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Currently, the biospecific affinity method for separation has gain attention and is continuously being developed. Precipitation affinity techniques continue to be developed because of it’s simplicity economic value without reducing the purity of the product and the recoverable polymer can be reused And easy to scale-up. The polymer used for the precipitation affinity has a ligand group that can work specifically therefore named "smart polymer". The hydrophilic polymer and the soluble liquid are altered to become hydrophobic and insoluble by changing the pH, temperature, ionic strength, or reagent. The research is used specific ligand for soluble polymers conducted in two stages and tested for enzyme purification.  NIPAM and AIBN are fixed variable for NIPAM polymer synthesis the first stage. The second stage is PABA conjugation where synthesis NIPAM in conjugated with PABA ligands. At this stage, the characterization of PABA is the dependable variable. Dry weight of carboxylated poly(NIPAM) is 91,3%, carboxylated poly(NIPAM)-co MPA 0,4 is 90,4%, carboxylated poly(NIPAM)-co MPA 0,6 is 88,9%. After characterization using SEM, the morphological structure of poly(NIPAM) has a relatively smoother surface. Meanwhile, FTIR characterize obvious changes in weak spectrum 3300-2500 cm . This is due the presence of carboxyl groups characterized in poly(NIPAM). Spectrophotometer tests obtained LCST conditions of 40 -1 C. Conjugation of PABA in poly(NIPAM)-co MPA 0,6 with 50 mg of PABA has better conjugate efficiency with a conjugate yield percentage of 52,6%. o
Pengaruh Konsentrasi Inhibitor Ekstrak Daun Sirsak terhadap Laju Korosi Baja Karbon Ryana Dwi Shafira; Arriza Mulyana; Medyan Riza
Jurnal Inovasi Ramah Lingkungan Vol 3, No 1 (2022): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Corrosion is a degradation of metal because of its reaction with the environment. The use of inhibitors is one of the most effective ways to prevent corrosion. Corrosion inhibitors are substances which when added to a metal can slow down the corrosion rate. Soursop leaf is one of the plants which contains tannin. Utilization of soursop leaf in the industrial world is still rarely done so that it is possible to use the soursop leaf as a natural inhibitor in the corrosion reaction of steel. This research uses socletation extraction method to extract tannins on soursop leaf and use mass reduction method to know the rate of corrosion. The independent variables of this research are the ratio of soursop leaf powder and ethanol-water solvent: 1:99; 2:98; 3:97; 4:96; 5:95 (w/w), long immersion: 5; 10; and 15 days, and corrosive media and inhibitor ratio: 1:0; 1:1; 1:2; and 1:3 (v/v). The result showed that in immersion without inhibitors, the sample has the highest weight loss or the highest corrosion rate.  The result for the immersion with the addition of inhibitor indicates that the soursop leaf extract can reduce the corrosion rate. Inhibitors that has the most effective result to reduce the corrosion rate is the concentration of 5% and contact time of 15 days with the lowest value of 0.0098 mg / cm2 perday at the ratio of corrosive media: inhibitor 1:3. Soursop leaf extract provides the greatest corrosion rate inhibitor with a value of 93.33 obtained at a concentration of 5%, the ratio of corrosive media:inhibitor 1:3 and contact time of 15 days.
Pengolahan Air Payau Menjadi Air Domestik Menggunakan Adsorben Bentonit Muhammad Husni; Muhajir Usman; Teuku Maimun; Nasrullah Nasrullah
Jurnal Inovasi Ramah Lingkungan Vol 2, No 3 (2021): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Umumnya masyarakat yang tinggal didaerah pesisir memiliki masalah dengan akses air bersih.Biasanya sumber air yang ada berasal dari air tanah yang airnya berasa payau. Hal ini menjadi masalah bagi masyarakat yang sulit mendapatkan air bersih dan higenis.Untuk memenuhi kebutuhan masyarakat akan air bersih terdapat teknologi pengolahan air yang praktis yaitu menggunakan pemanfaatan adsorben bentonit yang mampu menyerap impurities yang terdapat dalam air.Tujuan utama penelitian  ini adalah untuk mengurangi kadar ion logam Calcium (Ca) dan Magnesium (Mg) yang terlarut dalam air payau sebagai bagian dari proses pengolahan menjadi air domestik. Pengurangan kadar ion Calcium (Ca) dan Magnesium (Mg) pada air payau terlebih dahulu dilakukan pengujian awal terhadap air payau untukmelihat kadar ion logam Calcium (Ca) dan Magnesium (Mg), selanjutnya bentonit dimasukkan ke dalam gelas beker yang berisi air payau  dengan variasi waktu kontak dan massa adsorben.Setelah itu, dilanjutkan melihat penyerapan kadar ion logam Calcium (Ca) dan Magnesium(Mg) yang terdapat didalam air payau pada adsorben dengan menggunakan alat AAS (Atomic Absorbtion Spectrophotometer).

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