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All Journal Agrikultura Teknotan: Jurnal Industri Teknologi Pertanian TEKMAPRO Journal of Industrial Engineering and Management Jurnal Keteknikan Pertanian Tropis dan Biosistem Journal of Mathematical and Fundamental Sciences Journal of Science and Applicative Technology Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) JASIEK (Jurnal Aplikasi Sains, Informasi, Elektronika dan Komputer) Abdimasku : Jurnal Pengabdian Masyarakat INVENTORY : Industrial Vocational E-Journal On Agroindustry Journal of Soft Computing Exploration Jurnal Multidisiplin Madani (MUDIMA) METAL : Jurnal Sistem Mekanik dan Termal Applied Research in Science and Technology Jurnal Pengabdian Masyarakat Bhinneka Sultra Journal of Mechanical Engineering (SJME) TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Journal of Sciencce Technology and Visual Culture Sultra Journal of Mechanical Engineering
Mufidah, Zunanik
Biosystem Engineering, Department Of Production And Industry Technology, Institut Teknologi Sumatera
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Effect of Candelilla Wax Concentration and Zinc Oxide Nanoparticles (NP-ZnO) on the Physical and Mechanical Properties of Carrageenan-Based Edible Films Setyadi Gumaran; Linda Safitri; Zunanik Mufidah
Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol. 14 No. 1 (2026): April 2026
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkptb.2026.014.01.03

Abstract

This study focuses on the analysis of carrageenan-based edible films with the addition of candelilla wax and zinc oxide nanoparticles (NP-ZnO) and their effects on physical and mechanical properties. The edible films were formulated using kappa carrageenan and additional ingredients such as Tween 60, Span 60, glycerol, and distilled water. This research used a completely randomized design (CRD) consisting of two factors NP-ZnO as the first factor with consentrate levels of 1, 2, 3%, resulting in 9 treatment combinations with 3 replications. The data analysis was performed using the software minitab to obtain mean values and standard deviations, which were presented in graphical form for the physical and mechanical property results. The edible film was cast into plastic petri dishes nd then dried in an oven at 50 °C for 2 days. The observed parameters included thickness, color, water vapor transmission rate (WVTR), water absorption capacity (WAC), water solubility (WS), tensile strength, and elongation. The results showed that the addition of candelilla wax and NP-ZnO affected the physical and mechanical properties of the film. Increasing the concentration of candelilla wax and NP-ZnO increased the thickness value from 0.078 to 0.1 mm and increased the ?E value from 19.67 to 23.57. Meanwhile, the WAC value decreased from 82.65% to 63.95%, the WS value decreased from 84.43 to 66.80%, and the WVTR value decreased from 22.5 to 19.56 5 g/m2.d. in contrast, tensile strength increased from 1.831 to 4.6 MPa, while the elongation value decreased from 48.93 to 28.25%.
Characterization of Biobriquette from A Mixture of Rubber Seed Shell Charcoal with Sugar Cane Bagasse Using Variations of Adhesive Types Harmiansyah; Rifki Renaldi; Zunanik Mufidah; Nova Anika
METAL: Jurnal Sistem Mekanik dan Termal Vol. 9 No. 2 (2025): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.9.2.63-77.2025

Abstract

The use of energy, especially fossil fuels in the world, is increasing along with the increasing human population and increasing industrial development in various countries that use conventional energy. The way to reduce the use of conventional energy is to use renewable energy, one example of renewable energy is biobriquettes. Biobriquettes are solid fuels derived from the remaining organic matter that has undergone a compression process with a certain compressive force. The purpose of this study is to analyze the characteristics and determine the optimum parameters of biobriquettes from rubber seed shell charcoal and bagasse with variations in adhesives (tapioca flour, sago flour and molasses). The ratio of charcoal to adhesive mixture is 90:10, 85:15, 80:20. The stages of research on making biobriquettes include raw material preparation, carbonization, printing and product analysis. The results of the study showed that there were 2 characteristic parameters that met the standard values in all adhesive variations, namely moisture content and ash content, except for molasses adhesive variations with a ratio of 80:20 and the optimum parameters obtained in biobriquettes mixed with rubber seed shell charcoal and taboo pulp using tapioca adhesive with a ratio of 90:10 with a moisture content value of 4.53%, ash content 4.78%, flying substance content 31.33%, carbon content 59.36%, calorific value 4422 cal/g, combustion rate 0.097 g/min, and drop test 30.9%.
Co-Authors Abdul Rachman Jordy Adhayuga, Farhan Agung Adi Mas Sulton Adi Wirawan Afit Miranto Afriansyah, Aidil Agung Cahyono Agus Haryanto Agus Haryanto Ahmad Suaif Alfajrin, Achmad Chalid Afif Alvin Fatikhunnada Alvin Fatikhunnada, Alvin Amelia, Okta Amril Hakim Tiguna Andika Setiawan, Andika Anggraini, Bella Dewi Annisa Herliana Annisa Nur Ichniarsyah Aprilianda, Mohamad Meazza Arham, La Ode Arif Dwi Santoso Arkham Zahri Rakhman Astuti, Resti Dwi Atmajaya, Gde KM Attamimi, Tahani Farhat Ayu Sholeha Bagaskara, Radhinka Bagus Hermanto Budi Priyonggo Dewangga, Dualim Atma Diptaningsari, Danarsi Duwi Hariyanto Duwi Hariyanto Dwi Cahyani Dwi Rahayu Edriani, Tiara Shofi Edy Soewono Fajar Paundra Fil'aini, Raizummi Fil’aini, Raizummi Gres Maretta, Gres Gumaran, Setyadi Handoyo Handoyo Hariyanto, Duwi Harmiansyah Intan Avionita intan kusuma wardani Japar Sodik Jekvy Hendra Jordy, Abdul Rachman Joyce Rebeka Gultom Juanto, Benedictus Khoirun Naimah Kisna Pertiwi Kisna Pertiwi Kisna Pertiwi, Kisna Lathifa Putri Afisna Linda Safitri M. Azhar Mustafid Madi Madi Madi Madi Mahardika, Melbi Mareli Telaumbanua Marpaung, David Septian Sumanto Mawardi, Rahadian Meidaliyantisya, Meidaliyantisya Mohamad Nur Yahya Muh. Kusmali Muhammad Hafidz Muhammad Syaukani Naufal Taufiq Ridwan Ni Wayan Arya Utari Nike Dwi Grevika Dranatantiyas Nike Dwi Grevika Drantantiyas Nila Wardani, Nila Nova Anika Nurfaisal Asrafi Pangihutan, Ruben Paundra, Fajar Radhinka Bagaskara Rahman Indra Kesuma Rahman Indra Kesuma Raizummi Fil'aini Raizummi Fil’aini Ramadhani, Uri Arta Rifki Renaldi Rifky Fauzi Risky Wiradinata Rizka, Nela Rudi Setiawan Rudi Setiawan SABAR Sabar Sabar Sabar Saefudin Saefudin Salsabila, Alya Sastra Kusuma Wijaya Simanungkalit, Marifa Sri Haryani Sri Mursidah Styaningrum, Amalia Sujatmiko Sujatmiko Suratun Nafisah Telaumbanua, Marelli Tiguna, Amril Hakim Tri Novita Sari Tri Novita Sari, Tri Novita Ummah, Narjisul URI ARTA RAMADHANI Utami, Riani Utriweni Mukhaiyar Valentino, Fandy Willy Rachman Winda Yulita Winda Yulita Yulita, Winda