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All Journal JURNAL INTEGRASI PROSES Konversi Jurnal Surya Teknika Jurnal Riset Teknologi Pencegahan Pencemaran Industri REACTOR : Journal of Research On Chemistry And Engineering Jurnal Teknologi Kimia Unimal CHEMTAG Journal of Chemical Engineering Journal of Industrial Community Empowerment SAINTI: Majalah Ilmiah Teknologi Industri Jurnal Teknologi Kimia Mineral Journal of Energy, Materials, & Manufacturing Technology Majalah Teknik Industri Communication in Food Science and Technology Journal Of Chemical Process Engineering PATRIOTIK: Jurnal Inovasi dan Pemberdayaan Masyarakat
Muhammad Zulfikar Luthfi
Politeknik Industri Petrokimia Banten
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Ekstraksi Minyak Gaharu dengan Pelarut Etanol secara Maserasi Muhammad Zulfikar Luthfi; Jerry Jerry
REACTOR: Journal of Research on Chemistry and Engineering Vol 2, No 2 (2021): Published in December 2021
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v2i2.39

Abstract

Agarwood is one of the forest products that can be utilized and has a high selling value. Agarwood contains essential oils which have many active compounds and contains a specific aromatic resin that is naturally formed as a form of defense against physical damage or microbial infection. Agarwood essential oil with good quality has a high economic value. This study aims to extract agarwood essential oil using ethanol as a solvent. The optimal yield of agarwood essential oil can be obtained by varying the particle size, the ratio of the weight of the agarwood biomass (kg) to the volume of the solvent (L), and the length of maceration (h). The results showed that the particle size of agarwood did notaffect the yield of agarwood essential oil. The results of the comparison of agarwood biomass with the volume of the solvent showed that the ratio of 1:9 (w/v) obtained the highest yield of 4.02% and the longest maceration time with the highest yield of 4.12% for 72 hours. However, 48 hours of maceration had a greater increase in yield compared to 72 hours of maceration. The increase in yield at 48 hours to 72 hours of maceration was only 0.22% when compared to the increase in yield at 24 hours to 48 hours of maceration, which was 0.56%.
Pengaruh Kondisi Temperatur Pirolisis Tandan Kosong Kelapa Sawit Terhadap Komposisi Produk Tar Dennis Farina Nury; Muhammad Zulfikar Luthfi; Siti Zullaikah
REACTOR: Journal of Research on Chemistry and Engineering Vol 3, No 1 (2022): Published in June 2022
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v3i1.47

Abstract

Oil palm empty fruit bunch (EFB) is one of the biomass wastes that have a great potential of a bioenergy resource due to its natural properties, such as high calorific value. The conversion of EFB biomass into valuable biofuels can achieved through biochemical and thermochemical processes. Tar (bio-oil), the liquid product from the pyrolysis is one of the most attractive biofuels. The study aims to determine the effect of temperature process of pyrolysis EFB on its tar production under droptube reactor. The results showed that maximum tar yield was 43,80% obtained at 500 °C. The EFB tar produced at 500 °C was also determined to have a higher of phenol compound at 51,9%. The high phenolic content indicates its potential to be used for the production of renewable phenolic resins. Hence, the present work of pyrolysis of EFB presents itself as a promising method to produce phenol rich tar (bio-oil) from biomass waste.
Pelatihan Pembuatan Pupuk Cair Organik Dari Limbah Nasi Berekstrak Sereh pada Kelompok Tani Pembibitan Tanaman Bunga dan Buah Lubuk Minturun Muhammad Zulfikar Luthfi; Ferry Ikhsandy; Agung Kurnia Yahya; Hibrah Hibrah; Harmiwati N. H; Renold Ramadhan Putra
Journal of Industrial Community Empowerment Vol 1, No 2 (2022): Published in October 2022
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (689.288 KB)

Abstract

The agricultural sector is one of the main pillars of the economy in Koto Tangah District. Increasing agricultural production requires the support of fertilizer availability in terms of quantity and price. In order to provide fertilizer at competitive prices, fertilizers are needed at low prices and are environmentally friendly. This community service activity is given to the community in Lubuk Minturun Village in the form of training in the manufacture of liquid organic fertilizer (POC) with a fermentation process and extracts of lemongrass. The main ingredient of this fertilizer is rice waste which can be easily collected by local people. The training covers the process of making fertilizer, the fermentation process to packaging. Lemongrass extract is added to increase nutrients in the soil and reduce odors from the fermentation process. The proposing team took this theme in order to provide an alternative for making POCs to the community in Lubuk Minturun Village in the hope of contributing to local flower or fruit plant nurseries. In this case, the proposing team took Lubuk Minturun Village as a model because this area is located close to the ATI Padang Polytechnic Campus, so that it can help the lives of the people around the campus.
Pembuatan Nata De Coco di Nagari Kamang Hilir Kabupaten Agam Sebagai Upaya Pemberdayaan Masyarakat Hasnah Ulia; Apsari Puspita Aini; Enny Nurmalasari; Miftahul Khairati; Muhammad Zulfikar Luthfi; Agung Kurnia Yahya
Journal of Industrial Community Empowerment Vol 2, No 1 (2023): Published in April 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v2i1.190

Abstract

Agam district has a coconut plantation of 56,744 hectares with an average production of 3,000 tons per year. Coconut water is one of the coconut plant products that has not been utilized optimally. Many benefits or new products that have a higher selling value use coconut water as a raw material. One of the products derived from coconut water that we consume daily is Nata de coco. Nata de coco has high fiber, but low in calories. Nata de coco can also be a business opportunity for the home industry. Based on the business opportunity from Nata de coco, The community service of Politeknik ATI Padang held the training of the production of Nata de coco to the women community in Kamang Hilir Village, Agam District, West Sumatera. The training was carried out on February 5, 2023 attended by 30 participants. The training began with the explanation about the materials and tools used in making Nata de coco. The main materials used were coconut water, urea, sugar, Acetobacter xylinum. Then, the practice is carried out jointly between the women community and the community service team from Politeknik ATI Padang. The training was closed with the presentation of business prospective from Nata de coco. All of the participants were enthusiastic with this training. It is expected that the women community in Kamang Hilir Village have the knowledge and the skill to make their own Nata de coco.  
Pengaruh Pre-Treatment Kimia dan Biologi Terhadap Produksi Biogas dari Kulit Kopi Dennis Farina Nury; Muhammad Zulfikar Luthfi; Ahmad Rifqiyan Farohi; Tri Widjaja
REACTOR: Journal of Research on Chemistry and Engineering Vol 4, No 2 (2023): Published in December 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v4i2.99

Abstract

Coffee, as a major commodity in Indonesia, produces a huge number of byproducts and residues during the processing process. Coffee wastes and byproducts produced during coffee berry processing are a major source of contamination and represent significant environmental challenges in the coffee production process. One promising alternative in utilizing coffee wastes is converting into energy source i.e, of biogas from coffee pulp. Coffee pulp has toxic components that act as a methane inhibitor; these type of biomass have a problem with the lignin degradation process, which binds cellulose and hemicellulose. The use of cow's rumen fluid for methane production from coffee pulp is still rare, particularly for rumen fluid. Chemical pretreatment was carried out using alkali-peroxide followed by rumen fluid pretreatment. The performance of biogas produced from coffee pulp (with and without pretreatment) using rumen fluid as an inoculum has been investigated. Biogas was produced in a semi-batch reactor with a working volume of 2 liters for 30 days. Removal lignin, SS, VFA, and biogas yield were measured. This study aims to determine the biogas production from coffee pulp using variation HRT 20 and 30 days. It can be concluded that chemical pretreatment of NaOH - H2O2 combination can reduce lignin up to 75.02%. The volume of biogas produced increased with chemical pretreatment and rumen fluid as compared to the substrate with only rumen pretreatment According to Gas Chromatography analysis, the methane gas obtained from chemical pretreatment and rumen with HRT 30 days is 47.93%, while the methane obtained from rumen pretreatment with HRT 30 days is 34.28%.
Evaluasi High Temperature Shift (HTS) Converter pada Pemurnian Pabrik Amonia Berdasarkan Konversi CO Dennis Farina Nury; Dikri Uzlifah Janah; Vira Fitriyani; Muhammad Zulfikar Luthfi
Journal of Energy, Materials, & Manufacturing Technology Vol 3 No 02 (2024): Journal of Energy, Materials, & Manufacturing Technology
Publisher : Unit Penelitian, dan Pengabdian Masyarakat (UPPM) Politeknik ATI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61844/jemmtec.v3i02.773

Abstract

Pada proses pembuatan amonia salah satunya ialah shift converter yang berfungsi untuk mengonversi kandungan CO menjadi CO2. Di dalam shift converter terdiri dari HTS (High Temperature Shift Converter) dan LTS (Low Temperature Shift Converter). Kinerja HTS harus dievaluasi secara terus menerus agar tidak menyebabkan kerusakan pada unit purifikasi atau yang lainnya dan menghasilkan produk yang optimal, maka perlu dilakukan kajian mengenai alat tersebut dengan cara menghitung nilai kinerja alat High Temperature Shift dengan cara  membandingkan nilai data desain dengan nilai data aktual. Penelitian ini dilakukan selama 6 minggu dari bulan Juli sampai Agustus 2023 dan merupakan jenis penelitian deskriptif kuantitatif. Data kuantitatif dikumpulkan melalui pengamatan secara langsung pada alat High Temperature Shift (HTS) Converter (104-D1) di Unit Amonia Pabrik PT. Pupuk Sriwidjaja II-B. Dari hasil perhitungan didapatkan seluruh konversi CO secara aktual pada bulan Juli sampai Agustus 2023 melebihi data desain yaitu >70%, sedangkan konversi CO secara desain 69,208%. Secara aktual, konsentrasi CO yang keluar sudah lebih kecil daripada desain. Sehingga dapat disimpulkan bahwa kinerja HTS dalam mengubah CO menjadi CO2 dalam kondisi baik.
Biosynthesis of silver nanoparticles (AgNP) using leaves extract of Jatropha Curcas L. Nury, Dennis Farina; Febriyanto, Pramahadi; Arum, Amalia Sekar; Mayastuti, Sherina; Luthfi, Muhammad Zulfikar
Konversi Vol 12, No 2 (2023): OKTOBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v12i2.16610

Abstract

Due to the increased demand for ecologically friendly material synthesis techniques, biosynthesis of nanoparticles has drawn a lot of attention. It has been claimed that an environmentally benign method for producing silver nanoparticles (AgNPs) efficiently can be achieved utilizing leaves extract of the multifunctional plant Jatropha curcas. Maximum absorption were obtained from different types of solvents, in distilled water resulted at wavelength 428-434, meanwhile in ethanol 96% solvent, maximum absorption was obtained at wavelength 338-340 nm by using UV-Vis spectrophotometer, respectively. The results of FTIR formed on silver nanoparticles are O-H functional groups with distilled water and O-H functional groups, and C-O with 96% ethanol solvent. The particle sizes formed in distilled water and 96% ethanol solvents were 104.6 nm and 110.7 nm respectively with PI values of 0.341 and 0.644. Based on the results, (AgNPs) passes the nanoparticle range caused by agglomeration. It can be interpreted that the results of this synthesis are fine particles.
PENGARUH LEVEL INTERPHASE TERHADAP NILAI SPLITTING DEGREE DAN YIELD PRODUKSI PADA PROSES HIDROLISIS PADA COLUMN SPLITTING Ramadhan, Aldi Dwi; Luthfi, Muhammad Zulfikar
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 17, No 2 (2020): VOL 17 NO 2 DESEMBER 2020
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/sainti.v17i2.310

Abstract

A company in North Sumatra is engaged in the processing of palm oil into fatty acid and glycerin. In the current industrial process, crude palm oil is hydrolyzed into fatty acids and glycerol at a temperature of 250°C and a pressure of 53 bar for 7-8 hours in a splitting column. The success rate of the hydrolysis reaction is measured by the splitting degree, where a higher splitting degree indicates a more complete hydrolysis reaction. A common issue is that the acid value and saponification value in the splitting process are not optimal due to factors such as the height of the interphase level. The acid value and saponification value are crucial in determining the splitting degree. Therefore, it is necessary to analyze the impact of the interphase level on the splitting degree and the yield of the hydrolysis process in the splitting column. The results indicate that the efficient interphase level for the fat splitting hydrolysis process is at 3 oil = 4.2 meters (Point 0).
Pengolahan Limbah Cair Industri Tahu Menggunakan Teknologi Ultrafiltrasi Dengan Sistem Monitoring Berbasis Internet of Things N. H., Harmiwati; Yahya, Agung Kurnia; Luthfi, Muhammad Zulfikar; Nurmalasari, Enny; Permadani, Resi Levi; Aini, Apsari Puspita; Rahayu, Puji
Journal of Industrial Community Empowerment Vol 3, No 1 (2024): Published in April 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v3i1.253

Abstract

Waste from the tofu industry is a byproduct of the tofu production process that can have negative environmental impacts if not managed properly. CV. Dapur Tahu still discharges liquid waste directly into the river, posing a potential threat of river water pollution. Although a new reservoir and waste disposal channel are under construction, there is currently no effective waste treatment facility in place. To address this issue, a tofu wastewater treatment facility utilizing filtration technology is proposed due to its simplicity of operation, durability, and high efficiency in removing organic contaminants. The technology comprises a multi-stage filtration process involving sand filters (pumice, zeolite, and activated charcoal) combined with ultrafiltration membrane technology, complemented by a monitoring system consisting of TDS, pH, and temperature sensors. The multi-stage filtration process is capable of reducing TDS levels to 160 ppm, resulting in visibly clearer wastewater compared to the initial turbid white condition. The installation of IoT-based monitoring devices in the wastewater treatment process significantly aids in real-time water quality monitoring, accessible via mobile phone screens.
PENGARUH KOMBINASI PRETREATMENT, HIDROLISIS, DAN FERMENTASI TERHADAP PRODUKSI BIOETANOL DARI LIMBAH PADAT AREN Dennis Farina Nury; Muhammad Zulfikar Luthfi; Tri Widjaja
JURNAL INTEGRASI PROSES Vol 13, No 2 (2024)
Publisher : JURNAL INTEGRASI PROSES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jip.v13i2.28466

Abstract

Keterbatasan sumber daya berbasis fosil mendorong pencarian bahan bakar alternatif yang lebih berkelanjutan, salah satunya bioetanol dari limbah biomassa. Limbah padat aren, hasil samping dari ekstraksi nira, memiliki potensi besar sebagai bahan baku bioetanol meskipun kandungan ligninnya yang tinggi menghambat proses hidrolisis. Penelitian ini bertujuan mengevaluasi pengaruh kombinasi pretreatment, hidrolisis, dan fermentasi terhadap produksi bioetanol. Pretreatment menggunakan kombinasi asam sulfat (H₂SO₄) 5% dan organosolv dengan etanol dilakukan untuk meningkatkan delignifikasi. Pada hidrolisis, enzim selulase Trichoderma reesei dan xilanase digunakan untuk mengubah hemiselulosa dan selulosa menjadi gula reduksi. Dalam proses fermentasi, Saccharomyces cerevisiae dan S. cerevisiae - Pichia stipitis digunakan untuk mengubah gula menjadi bioetanol. Hasil menunjukkan delignifikasi tertinggi dicapai pada pretreatment H₂SO₄ 5% dan organosolv selama 60 menit. Yield bioetanol tertinggi (0,26%) diperoleh dengan kombinasi S. cerevisiae dan P. stipitis selama fermentasi 72 jam. Penelitian ini menunjukkan bahwa kombinasi proses pretreatment dan hidrolisis secara efektif dapat digunakan untuk mengkonversi limbah padat aren menjadi bioetanol.
Co-Authors Adelia, Putri Jesika Ahmad Rifqiyan Farohi Aini, Apsari Puspita Apsari Puspita Aini Arum, Amalia Sekar Auriyani, Wika Atro Betariani, Khairunisa Choerudin Choerudin Chrystover, Endrigo Dennis Farina Nury Dennis Farina Nury Dikri Uzlifah Janah Eko Supriadi Enny Nurmalasari Fahlovi, Oldy Farohi , Ahmad Rifqiyan Febriyanto, Pramahadi Feerzet Achmad Ferry Ikhsandy Handoko, Yohanes Tri Harmiwati N. H Hasnah Ulia Hibrah Hibrah Hibrah, Hibrah Jerry Jerry Jerry, Jerry Khairati, Miftahul Kurniawati, Intan Wahyuning Manurung, Martin Sugiarto Maulana, Akmal Mayastuti, Sherina Miftahul Khairati Miftahurrahmah Miftahurrahmah, Miftahurrahmah Monita Pasaribu Muhammad Nasyarudin Iqbal, Muhammad Nasyarudin N. H. , Harmiwati N. H., Harmiwati N.H, Harmiwati Nasyarudin Iqbal, Muhammad Naufal, Hafidz Ningrum, Khofifah Anggitiya Nugroho , Muhammad Erwin Cahyo Nugroho, Muhammad Erwin Cahyo Nury , Dennis Farina Nury, Dennis Oktria, Dandi Permadani, Resi Levi Puji Rahayu Ramadhan, Aldi Dwi Renold Ramadhan Putra RR. Ella Evrita Hestiandari Safitri, Nurul Ulfa Siti Zullaikah Supriadi, Eko Surya, Dhanu Fransgio Pratama Sutri, Reni Tjandra Setiadi Tri Widjaja Tutuka, Rachmadi Ulia, Hasnah Variyana, Yeni Vira Fitriyani Yahya , Agung Kurnia Yahya, Agung Kurnia Zulkipli, Rohiman Ahmad