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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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Sintesa dan Karakterisasi Bioplastik Dari Tandan Kosong Kelapa Sawit Dengan Modifikasi Penambahan Plasticizer Gliserol dan Sorbitol Luthfi, Muhammad Zulfikar; Miftahurrahmah; Sutri, Reni; Nury, Dennis Farina
REACTOR: Journal of Research on Chemistry and Engineering Vol. 6 No. 1 (2025)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v6i1.168

Abstract

Plastic waste is a global environmental issue due to its non-biodegradable nature. One potential solution is the development of eco-friendly bioplastics derived from natural materials. This study aims to develop bioplastics based on sago starch with the addition of microfibrillated cellulose (MFC) from empty palm oil fruit bunches as a reinforcing filler to enhance mechanical properties. Additionally, plasticizers such as glycerol and sorbitol were added to improve the elasticity of the bioplastic. The plasticizer concentrations used were 1, 5, 10, 20, and 30% w/w. Characterization was conducted through mechanical property tests (tensile strength, elastic modulus, and elongation percentage), morphological analysis using SEM, and structural analysis with Fourier Transform Infrared Spectroscopy (FTIR spectroscopy). The results showed that the addition of 5% glycerol produced a tensile strength of 26.39 MPa with an elongation of 1.2%, while 20% sorbitol yielded a tensile strength of 25.35 MPa with an elongation of 6.2%. Based on the Indonesian National Standard (SNI) for plastics, the combination of sago starch and MFC with 20% sorbitol provided the best mechanical properties, with a tensile strength of 25.35 MPa and an elongation percentage of 5.6%. In conclusion, sago starch-based bioplastic with MFC from oil palm empty fruit bunches has the potential to serve as an environmentally friendly alternative to synthetic plastics
Pengelolaan Sampah Plastik Dengan Mesin Pencacah di Infrastruktur Industri Pengolahan Sampah Terpadu Asari Rahayu, Puji; Tutuka, Rachmadi; Pasaribu, Monita; Jerry, Jerry; Ikhsandy, Ferry; Luthfi, Muhammad Zulfikar; Betariani, Khairunisa; Nury, Dennis Farina; Zulkipli, Rohiman Ahmad; Nugroho , Muhammad Erwin Cahyo
PATRIOTIKA: Jurnal Inovasi dan Pemberdayaan Masyarakat Vol 1 No 1 (2025): May 2025
Publisher : Universitas Nahdlatul Ulama Sumatera Utara

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

Abstract

The increasing problem of plastic waste has become one of the biggest environmental challenges in the world today. To overcome this problem, the development of plastic shredding technology is an effective solution to support the plastic recycling process. This study aims to design and develop an efficient and environmentally friendly plastic waste shredding machine, which is able to reduce the volume of plastic waste and facilitate the recycling process. The research methodology includes identifying user needs, literature studies, developing design concepts, detailed design using software, prototyping, and testing and evaluating machine performance. The designed shredding machine has a shredding capacity of 50 kg/hour with lower energy consumption compared to existing commercial shredding machines. Consistent machine testing in producing plastic flakes with uniform sizes, which are suitable for further recycling processes. Performance analysis relates to machines that are able to process various types of plastic, including PET, HDPE, and PP, with high shredding efficiency. The developed plastic shredding machine is able to provide a practical solution for plastic waste management by optimizing the recycling process and reducing negative impacts on the environment. The development of this plastic shredding machine is expected to contribute significantly to efforts to reduce plastic waste and support environmental sustainability.
Pengaruh Pre-Treatment Kimia dan Biologi Terhadap Produksi Biogas dari Kulit Kopi Nury , Dennis Farina; Luthfi, Muhammad Zulfikar; Farohi , Ahmad Rifqiyan; Widjaja, Tri
REACTOR: Journal of Research on Chemistry and Engineering Vol. 4 No. 2 (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%.
Pembuatan Nata De Coco di Nagari Kamang Hilir Kabupaten Agam Sebagai Upaya Pemberdayaan Masyarakat Ulia, Hasnah; Aini, Apsari Puspita; Nurmalasari, Enny; Khairati, Miftahul; Luthfi, Muhammad Zulfikar; Yahya , Agung Kurnia
Journal of Industrial Community Empowerment Vol. 2 No. 1 (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.
Pelatihan Pembuatan Virgin Coconut Oil Bagi Kelompok Petani Nagari Surantih, Kecamatan Sutera, Kabupaten Pesisir Selatan Ikhsandy, Ferry; Miftahurrahmah, Miftahurrahmah; Luthfi, Muhammad Zulfikar; Yahya, Agung Kurnia; Hibrah, Hibrah; N. H. , Harmiwati; Supriadi, Eko; Oktria, Dandi; Surya, Dhanu Fransgio Pratama
Journal of Industrial Community Empowerment Vol. 1 No. 1 (2022)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v1i1.94

Abstract

West Sumatra has a high potential of coconut resources with most of it being processed for copra products. The pandemic situation in recent years has caused the price of copra products to fluctuate, so an alternative coconut processing is needed. Virgin Coconut Oil (VCO) is an alternative coconut product that can increase economic value of coconut and is needed as a supplement that can strengthen the body's immune system during the Covid-19 pandemic. One of the efforts to train the community to be able to process coconut into VCO is to conduct training activities that are directly located in the coconut farmer cluster, which is carried out in Sungai Sirah Village, South Coast District, West Sumatra. This community service activity aims to increase the competence of farmers in the village so that they can process the coconut produced into VCO, hence help their economy when the price of copra drops. The stages of the activity start from socialization, presentation on production process, and continued with demonstrating how to make VCO. Participants were divided into several small groups where they could immediately practice how to make this VCO with the correct fermentation steps. After the manufacturing process is well understood, the next step was training of how to do packaging and marketing. Farmers were trained on how to package products in order to get good quality product and then trained to sell VCO through online shop such as Facebook, Instagram, Tokopedia, etc. This activity helps add more insight in terms of processing and marketing, in which participants increase their knowledge and competence to form the basis for entrepreneurship of coconut processed products.
Penyuluhan dan Pembuatan Sabun Cair Berbasis Minyak Goreng Bekas di Desa Trisnomaju, Kabupaten Pesawaran, Lampung Selatan Nury, Dennis Farina; Auriyani, Wika Atro; Achmad, Feerzet; Luthfi, Muhammad Zulfikar
Journal of Industrial Community Empowerment Vol. 1 No. 1 (2022)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v1i1.93

Abstract

Due to the many uses of cooking oil for household needs, it generates a huge residue called waste cooking oil or jelantah. Waste cooking oil can cause health and environmental problems. The conversion of waste cooking oil will help to reduce environmental damage. One of the conversion is making the waste cooking oil into valuable product as liquid soap. Liquid soap is made from Potassium hydroxide (KOH) reaction that produces salt (soap), water and glycerin. The saponification process was produced liquid soap using hydrolysis of waste cooking oil into fatty acids and glycerol in the KOH to hydrolyze. The waste cooking oil (jelantah) can ben converted into liquid soap by using the mixture of waste cooking oil, KOH solution, water and scent oil. This study aimed to educate the housewives about the problems of using waste cooking oil repeatly and to make liquid soap with a short training in Desa Trisnomaju, Kabupaten Pesawaran, Lampung Selatan. This activity consists of discussions, demonstrations and handson practice liquid soap. The results showed the the housewives were verry happy and enthusiastic during training. It can be concluded that the housewives are good and focus in making liquid soap, were increased in survey score from pretest to post test, 59,72% to 81,67%, respectively.
Pelatihan Pembuatan Pupuk Cair Organik Dari Limbah Nasi Berekstrak Sereh pada Kelompok Tani Pembibitan Tanaman Bunga dan Buah Lubuk Minturun Luthfi, Muhammad Zulfikar; Ikhsandy, Ferry; Yahya, Agung Kurnia; Hibrah, Hibrah; N. H. , Harmiwati; Putra, Renold Ramadhan
Journal of Industrial Community Empowerment Vol. 1 No. 2 (2022)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v1i2.142

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.
Parameter pH pada Gula Cair untuk Produksi High Fructose Syrup (HFS) dari Pati Singkong Nury, Dennis Farina; Luthfi, Muhammad Zulfikar
Communication in Food Science and Technology Vol. 2 No. 2 (2023): Communication in Food Science and Technology, October Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Sumatera

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/cfst.v2i2.1572

Abstract

Sebagai tanaman pangan pokok di beberapa daerah tropis, singkong memiliki potensi besar untuk digunakan dalam produksi gula cair seperti glukosa atau sirup fruktosa. Dengan menggunakan asam sulfat, asam klorida, hidrolisis enzimatik, atau kombinasi dari metode-metode ini, pati dapat dihidrolisis untuk menghasilkan sirup glukosa. Hidrolisis enzimatik oleh α-amylase dan glukoamilase dapat menghasilkan glukosa. Pembuatan gula cair dari pati singkong dilakukan dalam dua tahapan yaitu likuifikasi dan sakarifikasi. Pada tahapan likuifikasi didapatkan pH optimum yaitu 5 dengan konsentrasi gula reduksi tertimggi 142 gr/L dimana aktivitas enzim α-amilase bekerja pada range pH asam lemah hingga pH netral. Pada tahapan sakarifikasi didapatkan pH optimum 6 dan waktu sakarifikasi dihitung dari 0-36 jam. Salah satu faktor yang mempengaruhi proses hidrolisis enzimatik adalah pH, dimana pada proses sakarifikasi diamati pada rentang pH 3 hingga 8, didapatkan hasil optimum yaitu pada pH 5 dengan konsentrasi gula reduksi 192 gr/L.
Removal of Ammonium and Phosphate from Synthetic Wastewater of Complex Fertilizer Industry Through Struvite Crystallization Process Zulfikar Luthfi, Muhammad; Setiadi, Tjandra; Nury, Dennis Farina; Choerudin, Choerudin
Jurnal Riset Teknologi Pencegahan Pencemaran Industri Vol. 14 No. 2 (2023): November
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Pencegahan Pencemaran Industri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21771/jrtppi.2023.v14.no2.p23-32

Abstract

The complex fertilizer industry produces wastewater which contributes to the pollution of water bodies because it contains high levels of phosphate and ammonium concentrations and high TKN (Total Kjeldahl Nitrogen) which contains organic nitrogen. The organic nitrogen contained in the complex fertilizer wastewater is urea so it can be hydrolyzed to ammonium using the urease enzyme. The ammonium formed from the hydrolysis of urea will then react with magnesium and phosphate to form struvite, a crystal of Magnesium Ammonium Phosphate (MAP). The purpose of this study was to determine the effect of aeration and the enzyme urease in the removal of ammonium and phosphate in complex fertilizer synthetic wastewater through struvite precipitation. Struvite precipitation was carried out in a batch reactor which had a working volume of 0.5 L with variations in aeration rate, aeration time, and the addition of urease enzyme from Jack bean peas (Canavalia ensiformis). Residual ammonium and phosphate levels were analyzed and struvite crystal formation (MAP) was determined using Scanning Electron Microscope (SEM) and X-ray diffraction (XRD). The results showed that the aeration reactor was able to form struvite crystals and remove the ammonium and phosphate content in the synthetic wastewater of complex fertilizers. The removal of ammonium with a molar ratio of [Mg2+] : [NH4+] : [PO43-] 1:2:1 reached 61-77% at high aeration rates because a lot of ammonium was released into the air. The phosphate removal reached 99%. The urease enzyme was proven to be able to hydrolyze urea into ammonium and increase the pH value and affect the shape of the resulting struvite crystals. The precipitate product obtained was struvite crystals which were confirmed by analysis using SEM-EDX and XRD.
Evaluasi High Temperature Shift (HTS) Converter pada Pemurnian Pabrik Amonia Berdasarkan Konversi CO Nury, Dennis Farina; Janah, Dikri Uzlifah; Fitriyani, Vira; Luthfi, Muhammad Zulfikar
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.
Co-Authors Adelia, Putri Jesika Agustina, Amelia Naomi Ahmad Rifqiyan Farohi Aini, Apsari Puspita Apsari Puspita Aini Ardian, Adna Ivan Arum, Amalia Sekar Aurellia, Chalista Balqis Auriyani, Wika Atro Betariani, Khairunisa Choerudin, Choerudin Chrystover, Endrigo Dennis Farina Nury Eko Supriadi Enny Nurmalasari Fahlovi, Oldy Farohi , Ahmad Rifqiyan Febriyanto, Pramahadi Feerzet Achmad Ferry Ikhsandy Fitriyani, Vira Handoko, Yohanes Tri Hardiansyah, Andi Harmiwati N. H Hasnah Ulia Hibrah Hibrah Hibrah, Hibrah Janah, Dikri Uzlifah 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 Prayoga, Nayaka Sandi Puji Rahayu Putra, Muhamad Iqbal Putra, Renold Ramadhan Ramadhan, Aldi Dwi Renold Ramadhan Putra RR. Ella Evrita Hestiandari Safitri, Nurul Ulfa Setiadi, Tjandra Siti Zullaikah Supriadi, Eko Surya, Dhanu Fransgio Pratama Sutri, Reni Tri Widjaja Tutuka, Rachmadi Ulia, Hasnah Variyana, Yeni Yahya , Agung Kurnia Yahya, Agung Kurnia Zulkipli, Rohiman Ahmad