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All Journal Jurnal Sains dan Teknologi Jurnal Sains Materi Indonesia Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Ilmiah Pertanian Indonesian Journal of Chemistry JMM (Jurnal Masyarakat Mandiri) Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Unri Conference Series: Community Engagement Indonesian Journal of Chemical Science and Technology Journal of Applied Materials and Technology Journal of Bioprocess Chemical and Environmental Engineering Science Journal of Community Engagement Research for Sustainability Indonesian Journal of Fundamental Sciences Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Ahmad Fadli
Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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PERANCANGAN REAKTOR DAN PELATIHAN PEMBUATAN ASAP CAIR SEBAGAI PENGAWET ALAMI DALAM PEMBUATAN BAKSO Cory Dian Alfarisi; Sunarno Sunarno; Anisa Mutamima; Ahmad Fadli; Silvia Reni Yenti; Wisrayetti Wisrayetti
JMM (Jurnal Masyarakat Mandiri) Vol 7, No 5 (2023): Oktober
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v7i5.17414

Abstract

Abstrak: Yayasan Al-Ikhwan yang berlokasi di Kelurahan Tangkerang Timur Pekanbaru merupakan sebuah yayasan yang secara aktif terlibat dalam proyek-proyek sosial, pendidikan, pemberdayaan ekonomi, budaya, dan kesehatan masyarakat. Yayasan ini membawahi berbagai unit operasi, termasuk unit usaha bakso Al-Ikhwan, yang saat ini menghadapi keterbatasan kuantitas produksi dan area pemasaran karena masa simpan bakso yang singkat pada suhu ruang. Pada kegiatan pengabdian masyarakat ini, tim dosen Jurusan Teknik Kimia Universitas Riau bermitra dengan Yayasan Al-Anshar, khususnya unit usaha bakso Ikhwan yang dikolela oleh yayasan tersebut. Kegiatan ini berfokus pada pemberdayaan unit usaha dan berupaya mengatasi hambatan yang sedang dihadapi mitra dengan mengajarkan mitra bagaimana membuat asap cair dari tempurung kelapa, yang dapat digunakan sebagai pengawet alami dalam produksi bakso. Kegiatan ini meliputi beberapa tahap diantaranya; koordinasi dengan pihak terkait, desain dan pembuatan reaktor pirolisis, uji coba alat, edukasi tentang konsep asap cair, serta pelatihan mengenai penggunaan peralatan dan produksi asap cair. Kegiatan pengabdian ini memberikan pemahaman yang lebih baik kepada tim produksi tentang pilihan alami untuk produksi dan pengawetan bakso. Hasil positif yang diperoleh dari kegiatan ini diantaranya peningkatan pengetahuan mengenai asap cair sebagai pengawet alami dalam pembuatan bakso (75%), peningkatan keterampilan dalam pembuatan asap cair secara mandiri (62%), dan peningkatan kualitas (masa simpan) produk.Abstract: The Al-Ikhwan Foundation which is located in Tangkerang Timur Ward, Pekanbaru is an organization that actively involved in social, educational, economic empowerment, cultural, and public health projects. Under its purview, various business units operate, including the Al-Ikhwan meatball business, facing production and market limitations due to the short shelf life of meatballs at room temperature. This activity focuses on empowering the business unit and addressing the challenges faced by the partner by teaching them how to produce liquid smoke from coconut shells, which can be used as a natural preservative in meatball production. The involvement includes several phases; coordination with related parties, design and construction of the pyrolysis reactor, testing runs, education on liquid smoke concept, and instruction on how to use the equipment and produce liquid smoke. The project gives the production team better understanding of all-natural options for meatball production and preservation. Positive outcomes gained, include enhanced meatball production, longer shelf life, elevated quality, and food safety. Additionally, this project may be used as a model for other similar microenterprises, easing pressing manufacturing and marketing issues. Positive results obtained from this activity include an increased knowledge of liquid smoke as a natural preservative in meatball production (75%), improved skills in independently producing liquid smoke (62%), and an enhancement in product quality (shelf life).
Modifikasi Kitosan dari Limbah Udang menggunakan Metode Gelasi Ionik Nurfatihayati Nurfatihayati; Ahmad Fadli; Sunarno Sunarno; Allailus Syah Safara; Aulia Permatasari
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 4 No 1 (2023): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Jurusan Teknik Kimia, Fakultas Teknik, UNRI

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Abstract

Chitin contained in shrimp shells can be used as raw material for making chitosan which is then reprocessed into nanoparticle-sized chitosan which has many benefits. This study aims to synthesize nanoparticle chitosan using the ionic gelation method and determine the effect of variations in the concentration of formic acid, sodium tripolyphosphate (TPP), chitosan, and the volume ratio of chitosan: TPP on particle characteristics, which include particle size, polydispersity index, zeta potential, particle morphology, and functional groups of particles. The first step for making nanoparticle chitosan is to make a chitosan solution using a magnetic stirrer. After that, the TPP solution at a certain volume ratio between chitosan: TPP was added to the chitosan solution. Stirring is carried out for 1 hour with a stirring speed of 1200 rpm. Furthermore, the nanoparticle chitosan was characterized by using Particle Size Analyzer (PSA), zeta potential analyzer, Scanning Electron Microscopy (SEM), and Fourier Transform Infra-Red (FTIR). The synthesis of nanoparticle chitosan using the ionic gelation method has been successfully carried out, obtaining a particle size of 464.4 nm, a polydispersity index of 0.214, a zeta potential of +0.48, and a cross-link of chitosan-TPP particles is formed.
ADHESIVE BEHAVIOR OF POLYCAPROLACTONE/HYDROXYAPATITE COATINGS ON 316L STAINLESS STEEL: A DESIGN OF EXPERIMENTS APPROACH Agung Prabowo; Ahmad Fadli; Heni Sugesti; Muh Irwan; Syarifuddin Oko; Gading Bagus Mahardika; Marlinda
Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Vol. 7 No. 2 (2025): Literasi Artikel Penelitian Kimia
Publisher : Program Studi Kimia, Fakultas MIPA, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/jc.v7i2.6212

Abstract

Enhancing the adhesive strength of bioactive coatings is crucial for improving the mechanical stability of metallic implants. This study investigates the effects of three processing parameters—sonication temperature (X₁), PCL/HA ratio (X₂), and drying time (X₃)—on the adhesive strength of poly(ε-caprolactone)/hydroxyapatite (PCL/HA) composite coatings applied to 316L stainless steel substrates. A full factorial 23 experimental design was employed, and the results were analyzed using analysis of variance (ANOVA) and regression modeling. The adhesive strength response ranged from 19.62 MPa to 63.27 MPa. Among the factors studied, the PCL/HA ratio had the most significant positive effect, while drying time showed a minor influence. Interaction plots and response surface analyses revealed a synergistic effect between sonication temperature and PCL/HA ratio, contributing to improved bonding at the coating-substrate interface. The optimization results yielded a predicted maximum adhesive strength of 25.76 MPa at a desirability score of 0.03, highlighting the complexity of parameter interactions. These findings underscore the importance of processing conditions in tailoring coating performance for biomedical applications.
SURFACE AREA DRIVEN CRYSTALLINITY CHANGES OF HYDROXYAPATITE DURING SIMULATED BODY FLUID IMMERSION Agung Prabowo; Ahmad Fadli; Heni Sugesti; Muh Irwan
Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Vol. 8 No. 1 (2026): Literasi Artikel Penelitian Kimia
Publisher : Program Studi Kimia, Fakultas MIPA, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/jc.v8i1.7420

Abstract

The bioactivity of hydroxyapatite (HA) powders is strongly influenced by surface area and crystallinity. This study evaluates the effect of surface area and Ca/P ratio on the bioactivity of HA through immersion in simulated body fluid (SBF) for 3–21 days. Structural and chemical changes were analyzed using XRD, BET, SEM–EDX, and XRF, with bioactivity assessed from XRD peak intensity at 2θ ≈ 30°, degree of crystallinity, Ca/P ratio, calcium ion concentration, and pH variation. The results show that HA maintained its crystal phase during immersion, with the degree of crystallinity varying between 82% and 96%. An initial decrease in crystallinity and peak intensity indicated early HA dissolution, followed by an increase due to apatite layer formation at intermediate immersion times. Prolonged immersion resulted in reduced crystallinity, attributed to calcium depletion and partial re-dissolution. Higher surface area accelerated calcium ion consumption and enhanced apatite formation, confirming improved bioactivity of HA in SBF
Edukasi Pembuatan Detergen Cair sebagai Upaya Pemberdayaan Ibu-Ibu PKK di Perumahan Graha Rawa Bangun Kelurahan Tuah Karya Kecamatan Tuah Madani Kota Pekanbaru Nurfatihayati; Cory Dian Al’farisi; Anisa Mutamima; Panca Setia Utama; Ahmad Fadli; Yelmida Azis; Sunarno; Suhendri; Alltop Amri Ya Habib; Ariya Eka Alel; Ririn Puji Hastuti; Yogi Yolanda; Ferdy Ashari Syawal
KOMUNITA: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 5 No 1 (2026): Februari
Publisher : PELITA NUSA TENGGARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60004/komunita.v5i1.499

Abstract

This community service activity aimed to enhance the knowledge and skills of PKK women in producing liquid detergent as an effort to promote community empowerment and household self-reliance. The activity was conducted in Graha Rawa Bangun Housing Area, Tuah Karya Village, Tuah Madani District, Pekanbaru City. The implementation methods included educational sessions, hands-on training on liquid detergent production, and evaluation using pre-test and post-test questionnaires. The training materials covered the introduction of raw materials, the function of each component, production procedures, and safety aspects related to the use of household chemicals. The evaluation results indicated a significant improvement in participants’ knowledge. The average level of participants’ knowledge increased from 16% in the pre-test to 85% in the post-test, with an overall improvement of 69%. Improvements were observed in both the understanding of primary cleaning agents and auxiliary ingredients in liquid detergent formulations. These findings demonstrate that an educational approach integrating simple scientific explanations with practical training is effective in enhancing participants’ capacity. The outputs of this activity include improved knowledge and skills of PKK women in producing safe and applicable liquid detergent, which has the potential to support household independence and community empowerment.
ADSORPSI DAN PELEPASAN DOXORUBICIN DARI PERMUKAAN PARTIKEL MAGNETIT/HIDROKSIAPATIT Sri Murda Niati; Ahmad Fadli; Yelmida Aziz
Jurnal Sains dan Teknologi Vol 18 No 2 (2019): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Cancer is a disease caused by poor cell growth in body tissues. One effective method of dealing with cancer cell growthis the nanomedicine or nano drug delivery approach. Biocompatible, biodegredable and non-toxic drug deliverymaterial for the body is magnetite / hydroxyapatite composite. This research uses hydrothermal method to producemagnetite / hydroxyapatite composites. Furthermore, to determine the performance of magnetite / hydroxyapatitecomposites as drug delivery through adsorption kinetics and mathematical models of doxorubicin decay on the surfaceof the composite and the value of the mass transfer coefficient. The concentration of doxorubicin used for adsorptionwas 520, 720, 920 (ppm) with a composite mass of 0.2 0.3 0.4 and 0.5 (grams) and an adsorption temperature of 30, 40,50 (0C). The doxorubicin release model in the composite layer uses PBS solution media pH 7.4 with a temperature of370C. The results obtained for doxorubicin adsorption kinetics on composite surfaces were 71.43; 55.56; 90.91 mg/gfor temperature variations of 30, 40, 50 °C with (R2) is 0.980 and % SSE by 33% and kinetics constant adsorption0.282. Decay of doxorubicin in vitro using PBS solution was obtained. The value of the mass transfer coefficientobtained increased with the increase in the mass of the magnetite/hydroxyapatite composite, for the mass of themagnetite/hydroxyapatite composite 0.2; 0.3; 0.4; and 0.5 grams (kc) values obtained were 1.1 x 10-4 g/cm2.minute, 4.4x 10-4 g/cm2.minute, 9.9 x 10-4 g/cm2.minute and 2 , 1 x 10-3 g/cm2.minute.
SIMULASI GASIFIKASI SLUDGE LIMBAH INDUSTRI PULP DAN KERTAS Rusydy; Amun Amri; Ahmad Fadli
Jurnal Sains dan Teknologi Vol 14 No 2 (2015): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Pulp and paper industry generates solid waste around 3-4% of the total production, mostly form in sludge from the Waste Water Treatment Plant. Sludge gasification is one such technology processing sludge into syngas. The purpose of this research was to study the factors that influence the pulp and paper industry sludge gasification into syngas. This research was conducted by simulating the sludge process gasification in the fluidized bed gasifier using Aspen Plus v8.0 software. Configuration process is set out in this study is a fluidized bed gasification systems to feed sludge using O2 and steam as gasification agent. Some stages considered in the ASPEN Plus simulation to show the entire process of gasification, ie the decomposition of sludge, combustion of volatile substances, char gasification and gas-solids separation. In this simulation used sludge with ultimate value (dry basis): 48.0% C; 5.7% H; 36.3% O; 0.8% S; 1.2% N; and proximate (dry basis): water content of 40.90%; ash of 8.70%; Volatile Matter 52.1%; Fixed Carbon 41.82%; LHV 9.5 MJ / kg. Variable research: reactor temperature 600-800oC, ER 0.20 to 0.35 kg/kg, S/B 0.20-0.35 kg/kg and fixed variable operating pressure of 1 atm, sludge flow rate of 100 kg/min. The reactor temperature, Equivalent Ratio (ER), Steam/Sludge ratio (S/S) are factors that are very influential in the sludge gasification process. Increased temperatures cause the concentration of hydrogen in the syngas increased considerably (from 24.84 to 35.19%) and reduces the conversion of CO (17.07 to 15.45%). Increased ER reduces the conversion of syngas -15.85% and increase the percentage of CO2 (26.40-35.99%), ER optimum between 0.2-0.3. High steam-sludge ratio can reduce the temperature of reactor which have an effect on the rate of gasification, S/B optimum between 0.20-0.25.
Co-Authors Agung Prabowo Agung Prabowo Agung Prabowo Alfarisi, Cory Dian Allailus Syah Safara Alltop Amri Ya Habib Amun Amri Arisman Adnan Ariya Eka Alel Aulia Permatasari Deden Saprudin Deni Noviana Drastinawati Drastinawati Esty Octiana Sari Fajril ' Akbar Feblil Huda Ferdy Ashari Syawal Gading Bagus Mahardika Heni ' Ismawati Heni Ismawati Heni Sugesti Indra Purnama Iwantono Iwan Barnawi Marlinda Mayangsari Mayangsari Muh Irwan Muhammad Reski Muhammad Syafiq Izzuddin Mutamima, Anisa Nurfajriani Nurfajriani Nurfatihayati Ongky Alexander Panca Setia Utama Prihartini Widiyanti Rahimah Rahimah Ririn Puji Hastuti Rusydy Silvia Reni Yenti Silvia Reni Yenti Sri Murda Niati Suhendri Sukoco Sukoco Sukoco Sukoco Sunarno Sunarno Syarifuddin Oko Wisrayetti Wisrayetti Wisrayetti Wisrayetti Wisrayetti Wisrayetti Yelmida Azis Yelmida Aziz Yogi Yolanda Zakwan Zultiniar Zultiniar Zultiniar Zultiniar