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Huda, Ahmad Akromul
Department Of Agricultural Engineering, Faculty Of Agriculture, Universitas Muhammadiyah Mataram
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Analisis Antropometri dan Lingkungan Fisik Ruang Penggilingan Gabah Untuk Mengurangi Resiko Kerja Muanah, Muanah; Huda, Ahmad Akromul; Wahyuni, Ida; Marianah, Marianah; Basirun, Basirun
Rona Teknik Pertanian Vol 17, No 2 (2024): Volume No. 17, No. 2, Oktober 2024
Publisher : Department of Agricultural Engineering, Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/rtp.v17i2.40693

Abstract

Abstrak. Penggilingan gabah merupakan proses pengolahan gabah kering menjadi beras dengan bantuan mesin yang dikontrol penuh oleh pekerja pada stasiun tertentu. Manusia sebagai pekerja tengah berada pada ruang penggilingan dengan banyak resiko seperti bising dan getaran yang ditimbulkan oleh mesin tersebut dan antropometri yang belum terjamin kesesuaiannya dengan pekerja yang mengoperasikan mesin tersebut sehingga perlu dikaji berdasarkan kajian ergonomika. Penelitian bertujuan untuk menganalisa antropometri mesin dengan pekerja serta lingkungan fisik untuk mengurangi resiko kerja. Metode penelitian menggunakan metode eksperimental yang dikaji langsung pada ruang penggilingan beras di Desa Batu Putik Lombok Timur. Parameter yang dikaji yaitu antropometri, tingkat kebisingan, getaran mekanis, suhu dan tingkat pencahayaan. Data hasil penelitian dianlisis menggunakan matematika sederhana dengan bantuan mikrosoft excel kemudian dibandingankan dengan Nilai Ambang Batas (NAB) pada setiap parameter. Hasil penelitian menunjukkan bahwa antropometri pada 3 stasiun yang dikaji yaitu stasiun pertama tempat gabah dimasukkan berada 200 cm artinya hopper tersebut berada di atas kepala operator, stasiun kedua output gabah pecah 50% memiliki ketinggian 92 cm dan stasiun ketiga yaitu output beras bersih siap untuk dikemas memiliki tinggi 92 cm. Sedangkan hasil analisis dari lingkungan fisik menunjukkan bahwa suhu di atas NAB dan pecahayaan di bawah NAB, sedangkan getaran mekanis dan tingkat kebisingan berada di atas Nilai Ambang Batas NAB. Sehingga dapat disimpulkan bahwa ruang produksi penggilingan gabah dapat dikatakan belum memenuhi standar ergonomika.Anthropometric and Physical Environmental Analysis of Grain Milling Rooms to Reduce Work RisksAbstract. Grain milling is the process of processing dry grain into rice with the help of machines that are fully controlled by workers at certain stations. Humans as workers are in the milling room with many risks such as noise and vibrations caused by the machine and anthropometers that are not yet guaranteed to be suitable for the workers operating the machine so this needs to be studied based on ergonomics studies. The research aims to analyze the anthropometry of machines and workers and the physical environment to reduce work risks. The research method used experimental methods which were studied directly in the rice milling room in Batu Putik Village, East Lombok. The parameters studied are anthropometry, noise level, mechanical vibration, temperature and lighting level. The research data was analyzed using simple mathematics with the help of Microsoft Excel and then compared with the threshold value (NAB) for each parameter. The results of the research show that the anthropometry at the 3 stations studied, namely the first station where the grain is inserted is 2 meters, meaning the hopper is above the operator's head, the second station, the output of 50% broken grain has a height of 92 cm and the third station, namely the output of clean rice ready to be packaged, has a height of 92 cm. cm. Meanwhile, the results of analysis of the physical environment show that the temperature is above NAB and lighting is below NAB, while mechanical vibrations and noise levels are above the threshold value NAB. So it can be concluded that the grain milling production room can be said to not meet ergonomic standard.
Economic analysis of tomato cultivation on dryland with drip irrigation technique Suwati, Suwati; Muanah, Muanah; Huda, Ahmad Akromul; Gunawan, Adi
Jurnal Agrotek Ummat Vol 9, No 3 (2022): July
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v9i3.9767

Abstract

Economic analysis is one of the important parameters in applying drip irrigation techniques. For the community, this drip irrigation technique is a new technology so it needs to be analyzed with an economic approach. The purpose of this study was to analyze the economics of tomato cultivation by applying drip irrigation techniques on dry land. The research design used was a Randomized Block Design (RAK) with the following treatments, T1 (beds without mulch), T2, (beds with Straw mulch, and T3 (beds with silver-black plastic mulch). , production costs, farmer's income, and business feasibility by looking at the value of the B/C Ratio. Furthermore, the data from the analysis were tested using mathematical equations with the help of excel. The results of the analysis showed that the highest tomato production by applying drip irrigation techniques was found in T3 with a production yield of 896 quintals/ha with a total cost of IDR 369.000,000/ha, the highest level of income was also found in P3 of IDR 437,4000,000/ha and the highest B/C Ratio value was also found in T3, namely 1.18. So based on the results and discussion it can be concluded that economically for tomato cultivation by applying drip irrigation techniques should use bed cover using mulch a Silver Black Plastic.
Effect of adhesive concentration and particle size on the quality of hazelnut shell briquettes with glutinous rice adhesive Huda, Ahmad Akromul; Karyanik, Karyanik; Muliatiningsih, Muliatiningsih; Fathoni, Ahmad; Hakim, Abdul
Jurnal Agrotek Ummat Vol 10, No 4 (2023): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v10i4.19663

Abstract

One alternative energy that can be used as a substitute for fuel oil and gas is biomass energy such as briquettes. This study aims to determine the amount of heat, moisture content and ash content of briquettes made using hazelnut shells and glutinous rice adhesives that vary in adhesive concentration and particle size. This study used a complete randomised design (CRD) with variations in glutinous rice concentration of 20%, 30%, and 40% while the particle sizes used were 12 mesh and 24 mesh. The results showed that the adhesive concentration did not significantly affect the test parameters while the particle size affected the moisture content, ash content and calorific value of the briquettes. The highest calorific value was obtained by using 24 mesh particle size with 20% adhesive concentration with a calorific value of 5321 cal/g while the 12 mesh particle size produced the highest calorific value of 4704 cal/g at 20% adhesive concentration. The lowest moisture content value was obtained by using 24 mesh particle size with 20% adhesive concentration with a moisture content value of 6.9% while the 12 mesh particle size produced the lowest moisture content value at 20% adhesive concentration with a value of 7.4%. The lowest ash content value was obtained by using 24 mesh particle size with 30% adhesive concentration with an ash content value of 4.99% while the 12 mesh particle size produced an ash content value of 5.82%. The use of 12 mesh particle size is not in accordance with SNI standards because the heating value produced is still below 5000 cal/gr while the use of 24 mesh particle size is in accordance with SNI standards for all test parameters.
Effect of Adhesive Concentration on Briquette Characteristics from a Mixture of Cocoa Shells and Groundnut Shells as an Alternative Fuel Huda, Ahmad Akromul; Tawaqqal, Akbar; Hidayatullah, Syarif; Wirasansir, Genta
Jurnal Agrotek Ummat Vol 12, No 4 (2025): Jurnal Agrotek Ummat: Oktober
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i4.34037

Abstract

Agricultural wastes such as cocoa shells and groundnut shells hold significant potential as environmentally friendly alternative energy sources, particularly in West Nusa Tenggara Province, where these commodities are produced in abundance. However, their utilization as biomass energy materials remains limited and underdeveloped. In response to this potential, this study aims to evaluate the effect of varying tapioca starch adhesive concentrations on the characteristics of briquettes made from a mixture of cocoa shell charcoal and peanut shells. The research was conducted experimentally using three adhesive concentrations (10%, 20%, and 30%), with tests performed on calorific value, moisture content, ash content, and flame duration. The results revealed that increasing the adhesive concentration tended to decrease the calorific value and increase both the moisture and ash contents, although it extended the flame duration. The briquettes with 10% adhesive concentration exhibited the best performance, achieving a calorific value of 5,310 cal/g, a moisture content of 7.57%, an ash content of 7.56%, and a flame duration of 73 minutes. These values comply with the Indonesian National Standard (SNI) for charcoal briquettes, which require a minimum calorific value of 5,000 cal/g, a maximum moisture content of 8%, and a maximum ash content of 8%. These findings highlight the importance of proper adhesive formulation to improve the quality of local biomass-based briquettes and support the transition toward clean and sustainable energy..
PELATIHAN MEMBUAT ECOBRICK UNTUK GENERASI MUDA DALAM MENINGKATKAN KEPEDULIAN KEBERSIHAN LINGKUNGAN DI PEDESAAN Hidayatullah, Syarif; Suteja, Suteja; Huda, Ahmad Akromul; Sari, Nasmi Herlina; Tawaqqal, Akbar
Jurnal Abdi Insani Vol 12 No 10 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i10.2872

Abstract

The issue of plastic waste in rural communities has become an urgent environmental concern due to limited waste management facilities and low public awareness of the impacts of plastic pollution. The massive use of plastics without proper disposal systems has led to the accumulation of waste that contaminates the environment. One practical and educational solution that can be implemented is the production of ecobricks, which involves processing plastic waste into environmentally friendly building materials. This activity aimed to enhance the knowledge, awareness, and skills of young people aged 10–16 years in Ambung Village, East Masbagik District, in managing plastic waste through ecobrick-making training. The implementation method consisted of three stages: socialization, training, and evaluation. The socialization stage involved an interactive lecture on the dangers of plastic waste, followed by hands-on practice in making ecobricks using used plastic bottles. Evaluation was conducted using pre-test and post-test instruments to measure participants’ understanding of the reduce, reuse, recycle (3R) concept. The results showed a significant increase in participants’ knowledge levels, with an average pre-test score of 51.5 and a post-test score of 84.5, representing an improvement of 63.4%. Participants gained a better understanding of plastic waste management processes, were able to produce ecobricks independently, and were motivated to apply this knowledge at home while encouraging family members and peers to participate. Moreover, the activity fostered a sense of collaboration and creativity among participants by transforming plastic waste into functional products such as flower pots and garden benches. It can be concluded that ecobrick-making training effectively increased ecological awareness, knowledge, and practical skills among young people in plastic waste management, serving as an initial step toward a cleaner and more sustainable village environment.
OPTIMALISASI PEMANFAATAN URINE SAPI MELALUI PELATIHAN PRODUKSI PUPUK ORGANIK CAIR DI DESA SESAIT Huda, Ahmad Akromul; Widayanti, Baiq Harly; Ridha, Rasyid
Jurnal Agro Dedikasi Masyarakat (JADM) Vol 6, No 2 (2025)
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jadm.v6i2.37035

Abstract

Program pengabdian masyarakat ini bertujuan meningkatkan pengetahuan dan keterampilan petani Desa Sesait dalam memanfaatkan limbah urin sapi menjadi pupuk organik cair melalui proses fermentasi. Metode pengabdian yang digunakan adalah metode pelatihan, yang meliputi observasi lapangan, penyampaian materi di TPS3R, serta praktik langsung di lokasi kandang. Evaluasi dilakukan menggunakan pretest dan posttest yang dianalisis dengan Paired Sample t-test. Hasil observasi menunjukkan potensi urin sapi mencapai sekitar 2.400 liter per hari, namun belum dimanfaatkan secara optimal. Pelatihan mencakup teknik pengumpulan urin, proses degassing, fermentasi menggunakan EM4 dan molase, hingga penyimpanan hasil fermentasi. Hasil evaluasi menunjukkan peningkatan pengetahuan signifikan dari 38,67 menjadi 91,33 (kenaikan 52,67%), serta seluruh peserta (100%) mampu melakukan proses pembuatan pupuk organik cair secara mandiri. Program ini membuktikan bahwa pelatihan berbasis praktik efektif dalam mendorong pemanfaatan limbah ternak menjadi produk bernilai ekonomi dan ramah lingkungan.
Pemberdayaan Masyarakat melalui Pelatihan Pemanfaatan Limbah Plastik untuk Pembuatan Paving Block di Desa Seruni Mumbul Lombok Timur Ahmad Akromul Huda; Arif Mulyanto; Agustono Setiawan; Syarif Hidayatullah; Maptuh Bustami
Jurnal Indonesia Mengabdi Vol. 7 No. 2 (2025): December Edition
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) STKIP Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/2azyjb27

Abstract

Permasalahan limbah plastik menjadi tantangan lingkungan yang signifikan, terutama di wilayah desa wisata seperti Desa Seruni Mumbul, Kabupaten Lombok Timur. Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan keterampilan dan kesadaran masyarakat dalam mengolah limbah plastik menjadi paving block melalui pelatihan berbasis pendekatan partisipatif. Metode pelatihan dilaksanakan melalui demonstrasi langsung mulai dari pemilahan, pencacahan, pelelehan menggunakan oli panas, pencampuran dengan komposisi 30% plastik dan 70% pasir, hingga proses pencetakan, pengepresan, pendinginan, dan pengeringan. Hasil kegiatan menunjukkan peningkatan kemampuan peserta dalam memahami proses teknis dan menerapkannya secara mandiri. Selain menghasilkan produk paving block ramah lingkungan, program ini juga mendorong terbentuknya model ekonomi sirkular dan membuka peluang usaha berbasis daur ulang plastik. Evaluasi menunjukkan bahwa peserta aktif, terampil, dan mampu menghasilkan produk yang seragam. Kegiatan ini berhasil menjadi langkah awal dalam penguatan kapasitas masyarakat dan mendukung keberlanjutan destinasi wisata Denda Seruni melalui pengelolaan limbah plastik yang lebih efektif.
THE USE OF KAPOK SEED AGRICULTURAL WASTE AS A SOURCE OF NATURAL CORROSION INHIBITOR FOR ALUMINUM 6061 Hidayatullah, Syarif; Huda, Ahmad Akromul; Suteja, Suteja
Protech Biosystems Journal Vol 5, No 2 (2025): Protech Biosytem Journal (Desember)
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i2.35784

Abstract

Aluminum 6061 is one of the most widely used materials across various industrial sectors due to its good mechanical properties, lightweight nature, and corrosion resistance. However, in acidic environments, aluminum remains susceptible to corrosion, which can reduce its performance and service life. This study utilizes agricultural waste from kapok seeds (Ceiba pentandra) as an environmentally friendly corrosion inhibitor for Aluminum 6061. The extract was obtained through maceration using ethanol as the solvent and was applied in corrosion tests of Aluminum 6061 in 1 M HCl solution. The evaluation was conducted using potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) techniques, along with isothermal adsorption analysis to understand the adsorption mechanism of the inhibitor on the metal surface. The results showed that the kapok seed extract significantly increased polarization resistance and reduced the corrosion rate, achieving a maximum inhibition efficiency of 78.77% at an optimal concentration of 3000 ppm. The inhibitor adsorption followed the Freundlich isotherm model, indicating strong binding interactions between the inhibitor molecules and the aluminum surface. Therefore, kapok seed extract has great potential as an environmentally friendly and cost-effective corrosion inhibitor for aluminum-based industries.
IMPROVING ANTIBACTERIAL, THERMAL AND MECHANICAL PROPERTIES OF PVA BIOCOMPOSITES REINFORCED WITH TIMOHO FIBER NANOCELLULOSE Suteja, Suteja; Hidayatullah, Syarif; Huda, Ahmad Akromul
Protech Biosystems Journal Vol 5, No 2 (2025): Protech Biosytem Journal (Desember)
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i2.36289

Abstract

Polyvinyl alcohol (PVA) has promising potential as gas purification membrane and bioplastic substitute for conventional materials. PVA material was reinforced with nanocellulose timoho fibers (NCT). Ten grams of NCT, 30 mL of distilled water, and 10 grams of PVA were stirred (500 rpm) at <80 oC on a magnetic stirrer until gel formed, then spread on a Petri dish and dried in an oven at 50 °C for 21 hours. The elongation, tensile strength, and elastic modulus test results of PVA-NCT biocomposites showed increases of 21%, 29.97%, and 31.57%, respectively, compared to PVA biocomposites. This was due to the role of NCT as reinforcing agent and the mobility of PVA when tensile test. SEM morphology showed a fine speckled surface due to clumping. The thermal resistance of biocomposite increased due to the good interfacial bonding between NCT and the PVA matrix, thereby reducing the rate of weight loss. Exothermic reactions occurred in both biocomposites. The PVA biocomposite had a melting temperature of 110.34 °C, and PVA-NCT biocomposite 119.83 °C. The antibacterial activity of the PVA biocomposite has a lower inhibitory power compared to the PVA-NCT biocomposite. These biocomposites can be used for membrane materials and environmentally friendly bioplastics. 
PELATIHAN PEMBUATAN BRIKET ARANG LIMBAH BONGGOL JAGUNG UNTUK MENINGKATKAN PENDAPATAN USAHA MASYARAKAT DESA MESANGGOK LOMBOK BARAT Huda, Ahmad Akromul; Karyanik, Karyanik; Jinwantara, Firzhal Arzhi; Suhairin, Suhairin; Faruq, Abdul; Malik, Nina; Anggarwati, Nini; Purnawirawan, Indra; Hakim, Abdul
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 3 (2024): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v8i3.23312

Abstract

Abstrak: Bonggol jagung yang ada digudang yang terletak di kecamatan Gerung Lombok Barat belum sepenuhnya termanfaatkan hanya dibiarkan menumpuk dan dibakar begitu saja. Limbah yang ada tersebut bisa diolah menjadi briket arang. Tujuan kegiatan ini adalah meningkatkan pengetahuan dan keterampilan mitra dalam pengolahan limbah bonggol jagung menjadi briket arang untuk meningkatkan pendapatan usaha. Metode yang digunakan adalah pelatihan yang berupa demonstrasi menggunakan alat dan bahan yang telah disediakan. Kegiatan pelatihan telah dilaksanakan di Desa Mesanggok, Kecamatan Gerung, Kabupaten Lombok Barat dengan jumlah peserta sebanyak 30 orang dari UD barkah dan Yayasan Ahlul Qur’an. Hasil kegiatan menunjukkan bahwa peserta sangat antusias terhadap program pelatihan pengelolaan limbah bonggol jagung menjadi briket arang dimana kegiatan berjalan dengan lancar setiap tahapnya. Berdasarkan hasil uji paired sample T-test diketahui terjadi peningkatan pengetahuan dan keterampilan yang signifikan dengan nilai signifikasi (2-tailed) ? = 0,000 < 0,05 atau meningkat sebesar 48.33%.Abstract: Corn stalks in a warehouse located in the Gerung sub-district of West Lombok have not been fully utilised, only left to pile up and burned. The waste can be processed into charcoal briquettes. The purpose of this activity is to increase the knowledge and skills of partners in processing corncob waste into charcoal briquettes. The method used was training in the form of demonstrations using the tools and materials provided. Training activities have been carried out in Mesanggok Village, Gerung District, West Lombok Regency with a total of 30 participants from UD barkah and Ahlul Qur'an Foundation. The results of the activity showed that the participants were very enthusiastic about the training programme on managing corn stalk waste into charcoal briquettes where the activities ran smoothly at each stage. Based on the results of the paired sample T-test, it is known that there is a significant increase in knowledge and skills with a significance value (2-tailed) ? = 0.000 <0.05 or an increase of 48.33%.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Faruq Abdul Hakim Abdul Hakim Abdul Hakim Adi Gunawan, Adi Afriatin Afriatin Afriatin Afriatin Agung Sugeng Widodo Agustono Setiawan Ahmad Fathoni Anggarwati, Nini Arif Mulyanto Aset, Arselinus Aulia, Yuliatin Baiq Harly Widayanti Basirun, Basirun Budy Wiryono Denda Riratih Dwi Setyawan Earlyna Sinthia Dewi Eko Siswanto Erni Romansyah Farhatunnisa Farhatunnisa Faruq, Abdul Firzahl Arzhi Jiwantara I Ketut Widnyana I Made Wahyu Wijaya Ida Wahyuni Ida Wahyuni Indra Purnawirawan Istiara Istiara Jinwantara, Firzhal Arzhi Julkarnain Julkarnain Julkarnain Julkarnain Juniardi, Nurdin Karyanik, Karyanik Leni Marlina Made Wirawan, Made Maharsa Pradityatama Malik, Nina Maptuh Bustami Marianah Marianah Marianah, Marianah Miftahurrahman, Miftahurrahman Muanah Muanah Muanah Muanah, Muanah Muliatiningsih Muliatiningsih Nasmi Herlina Sari Nina Malik Pandri Pandiatmi Purnawirawan, Indra Putu Eka Pasmidi Ariati Rasyid Ridha Rasyid Ridha Sari, Desy Ambar Sinarep Sinarep Sirajuddin H. Abdullah, Sirajuddin Sita Yubelina Sita Yubelina Sita Yubelina Suhairin, Suhairin Suteja Suteja, Suteja Suwati Suwati Suwati Suwati Suwati Ummat Suwati, Suwati Syahrul, Ahmad Ibrahim Syarif Hidayatullah Tauladan, Anan Tawaqqal, Akbar Wirasansir, Genta Wiryono, Budy Yoel Pasae Yoel Pasae Yoel Pasae Yulianus Songli Yulianus Songli Yulianus Songli