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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 4 Documents
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Search results for , issue "Vol 1, No 3 (2020): JURNAL INOVASI RAMAH LINGKUNGAN" : 4 Documents clear
Proses Hidrolisis dan Fermentasi Tandan Kosong Kelapa Sawit sebagai Bahan Baku Bioetanol Endang Purnama Sari; Putri Azurah Fani; Abubakar Abubakar; Mukhlishien Mukhlishien
Jurnal Inovasi Ramah Lingkungan Vol 1, No 3 (2020): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Bioethanol can be used as an environmentally friendly alternative fuel and is produced from renewable raw materials. One of the materials that can be used as bioethanol is empty fruit bunches of palm oil (TKKS). TKKS is a plantation waste that has not been widely used, which has a high lignocellulosic content. In this research used TKKS as raw material to produce bioethanol through process stages namely delignification, hydrolysis, fermentation, and distillation. The purpose of this research is to see the effect of sulfuric acid concentration on TKKS hydrolysis and fermentation time to bioethanol density produced. The result showed that ethanol density was obtained 0,987 gr / ml at 3 days with addition of H2SO4 3%, analysis of TKKS with FTIR obtained functional group showing the glucose content at TKKS on 950-1200 cm-1 and highest ethanol is 9% at 5-day fermentation with 3% H2SO4.
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.
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
Penghilangan Senyawa Hidrogen Sulfida (H2S) Pada Biogas Menggunakan Kompos Mahmud Azis Angkat; Muhammad Haikal Pasha; Asri Gani
Jurnal Inovasi Ramah Lingkungan Vol 1, No 3 (2020): JURNAL INOVASI RAMAH LINGKUNGAN
Publisher : Universitas Syiah Kuala

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Abstract

Biogas prior to use must be purified first from the content of hydrogen sulphide (H2S) which although small in number but can cause losses due to corrosion of the metal. This compound when burned will form sulfur dioxide (SO2) or sulfur trioxide (SO3) known as SOx substances that can cause acid rain. H2S removal can be done by means of biofilter process. The biofilter media used in this research was compost with size variation (8-25 mesh, 25-40 mesh, and 40-60 mesh) and mass variation (0.75 kg, 1 kg, 1.5 kg, 1.75 kg, and 2 kg). The concentration of H2S gas feed into the biofilter column is 493 ppm with contact time of 60 minutes. The concentration of H2S gas before and after passing through the biofilter column were analyzed using Gas Analyzer The results showed that the maximum absorption capacity and maximum absorption efficiency compost in a row that is equal to 19,894 mgH2S/gr compost and 94,73%.

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