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All Journal Voteteknika (Vocational Teknik Elektronika dan Informatika) Resona : Jurnal Ilmiah Pengabdian Masyarakat Jurnal Serambi Engineering Jurnal Inovasi Teknik Kimia Rambideun : Jurnal Pengabdian Kepada Masyarakat International Journal of Engineering, Science and Information Technology Journal of Renewable Energy, Electrical, and Computer Engineering Chemical Engineering Journal Storage (CEJS) Jurnal Teknologi Kimia Unimal Jurnal Energi Elektrik Jurnal Polimesin Jurnal Solusi Masyarakat Dikara ABDIMU: Jurnal Pengabdian Muhammadiyah

Muhammad Muhammad

Universitas Malikussaleh

Author-ID : 2616539

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering 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 Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Methyl Orange Absorption Using Chitosan from Shrimp Skin as an Adsorbent Meriatna Meriatna; Sanda Mulia Utari; Rizka Mulyawan; Muhammad Muhammad; Zulmiardi Zulmiardi
International Journal of Engineering, Science and Information Technology Vol 3, No 2 (2023)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v3i2.431

In the coloring process, the textile industry generally uses synthetic (artificial) dyes, methyl orange (MO). In this study, the adsorption of methyl orange (MO) dye with chitosan was investigated in a series of batch laboratory studies. The adsorption equilibrium study used a MO solution with a concentration of 10 to 50 mg/L with an adsorbent weight of 3 g put into an Erlenmeyer and shaken until the adsorption reached an equilibrium condition. Meanwhile, the adsorption kinetics used a MO solution with an initial concentration of 10 and 20 mg/L with a volume of 100 mL with an adsorbent weight of 3 g and the solution was adjusted to pH 2. Effective operating parameters such as pH, initial concentration of dye (C0) and contact time at adsorption has been investigated. The results showed that the adsorption capacity of methyl orange (MO) dye from chitosan increased with an increasing acid content, and it was found that a solution of pH 2 was the optimal pH value for MO adsorption. The adsorption parameters for the Langmuir and Freundlich isotherms were determined by nonlinear regression and the equilibrium data were best explained by the Langmuir isotherm model, this was indicated by the high value of the correlation coefficient (R2), which was 0.9595. The maximum adsorption capacity was 0.1297 mg/g. Adsorption kinetics can be successfully applied to pseudo second-order kinetic models. The pseudo second-order model results show that the adsorption process is controlled by chemical sorption (chemisorption).

Synthesis and Characterization of Chitosan-Pectin-Citric Acid-Based Hydrogels for Biomedical Applications (Primary Wound Dressings) Suryati Suryati; Rizka Mulyawan; Sulhatun Sulhatun; Muhammad Muhammad; Nikmat Wanda
International Journal of Engineering, Science and Information Technology Vol 3, No 2 (2023)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v3i2.447

This study aims to analyze the processing of chitosan-pectin biocomposite hydrogel with the addition of citric acid to improve the quality of the biocomposite for primary wound dressing applications. The method is printing the biopolymer solution in a glass mold, then drying at 50oC. Chitosan 90.2% DD and pectin dissolved in 1% acetic acid with a ratio (w/w) of 50:50. The two ingredients were mixed using a magnetic stirrer at room temperature for 30 minutes until completely dissolved, then added citric acid crosslinking agent with various concentrations of 2,4, 6,8,10 (%). The test results for the characteristics of the chitosan-pectin-acid biocomposite Citrate obtained the best thickness in the composition variation (50:50:8) of 0.31 mm. The analysis results of the best absorption of the chitosan-pectin-citric acid biocomposite on the composition variation (50:50:6) were 185%. In the swelling analysis of the chitosan-pectin-citric acid biocomposite, the variation in composition (50:50:10) was 403%. The tensile strength test results of the chitosan-pectin-citric acid biocomposite decreased with the addition of citric acid, the best obtained was 20.76 MPa, and the best elongation was 76.0%. Test results for the functional group of the chitosan-pectin-CaCl2 biocomposite for the presence of O-H, C-H, N-H bonds in the fact of O-H, C-H, N-H bonds at a wavelength of 4000-2500 cm-1, C=O, C=N, C=C at a wavelength of 2000 -1500, and the specific absorption of the chitosan-pectin-citric acid biocomposite 400-1400 cm-1 indicates that the resulting membrane tends to be polar, hydrophilic and environmentally friendly because it can be degraded. Based on the expected test results, it was shown that the chitosan-pectin-CaCl2 biocomposite has the potential to be applied as an ideal primary wound dressing for wound healing and protection.

PEMBUATAN BRIKET CANGKANG KELAPA SAWIT MENGGUNAKAN VARIASI JENIS DAN PERSENTASE PEREKAT TEPUNG TAPIOKA DAN TEPUNG BERAS Cut Milya; Eddy Kurniawan; Lukman Hakim; Rozanna Dewi; Muhammad Muhammad
Chemical Engineering Journal Storage (CEJS) Vol 3, No 4 (2023): Chemical Engineering Journal Storage (CEJS) - Agustus 2023
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/cejs.v3i4.9913

Sumber energi alternatif yang banyak dikembangkan dan diteliti saat ini adalah bahan bakar biomassa limbah pertanian. Biomassa seperti cangkang kelapa sawit dapat menjadi sumber bahan baku briket sebagai salah satu energi alternatif pengganti bahan bakar fosil (minyak bumi). Penelitian Pembutan Briket Arang dengan Biomassa sudah pernah dilakukan oleh beberapa peneliti sebelumnya, dengan menggunakan biomassa dan jenis perekat yang berbeda, yang belum pernah dilakukan adalah Pembuatan Briket Arang dari Cangkang kelapa Sawit Menggunakan Variasi Jenis dan Persentase Perekat Tepung Tapioka dan Tepung Beras. Tujuan penelitian untuk menganalisa jenis dan persentase perekat yang tepat untuk membuat briket arang cangkang kelapa sawit agar menghasilkan briket dengan kualitas yang baik sesuai standar meliputi kadar air, kadar abu, dan nilai kalor. Proses pembuatan briket meliputi proses karbonisasi, pencampuran biomassa dengan perekat, pencetakan, pengeringan, dan uji kualitas briket yaitu kadar air, kadar abu dan nilai kalor. Hasil penelitian menunjukkan bahwa briket arang cangkang kelapa sawit sudah memenuhi standar. Pada briket perekat tepung tapioka kadar air rata-rata sebesar 2.35%, kadar abu sebesar 5.06%. Sedangkan pada briket perekat tepung beras kadar air rata-rata sebesar 2.74%, kadar abu 5.50%. Nilai kalor dari briket arang menggunakan perekat tepung tapioka dan tepung beras dengan persentase 4% masing-masing sebesar 6930.11 kal/gr dan 6922.22 kal/gr.

Review Of Multicrystalline Silicon Wafer Solar Cell Processing Azwar Azwar; Luthfi Luthfi; Muhammad Muhammad
Jurnal POLIMESIN Vol 19, No 1 (2021): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v19i1.2090

The challenges for searching and utilizing of new and sustainable energy sources especially solar cell electricity. The major obstacle of using solar cells for electricity generation has been a much higher price when compared to the price of electricity generated from the traditional sources. The photovoltaic industry needs to put an enormous pressure and optimization at every stage of the photovoltaic manufacturing chain of multicrystalline silicon wafer solar cell processing in order to reduce cost. Processing of multicrystalline silicon solar cells is starting by silicon wafer preparation, etching and texturing, saw damage etching, surface texturing, phosphor diffusion edge isolation, phosphor diffusion, edge isolation, silicon nitride deposition for antireflection coating, and metallization process that consist of screen printing ag front side, screen printing of al back side, drying and firing and formation al back surface contact. Mechanical stability of silicon wafer became a serious issue due to reduction of wafer thickness, so probability for wafer to breakage is high; investigate the mechanism of wafer breakage is important to reduce breakage. The present of micro cracks reduces the mechanical strength of wafer significantly and wafer breakage will increase, because crack will start from the existing micro crack and that will propagate easier with presence of the stress. Mechanical stability is increase significantly after the etching process; on the other hand the screen printing process will reduce wafer strength. Etching of saw damage, that is induced during wafer slicing, and metallization of the surfaces are 2 crucial processing steps in the manufacturing of mc-silicon solar cells

Pengaruh Variasi Jenis dan Volume Perekat (Tepung Tapioka dan Air Tebu) Terhadap Kualitas Briket dari Pelepah Kelapa Sawit (Elaeis guenensis Jacq) Agam Muarif; Nurhabiah Nurhabiah; Muhammad Muhammad; Lukman Hakim; Zainuddin Ginting; Rizka Mulyawan
Jurnal Inovasi Teknik Kimia Vol 9, No 2 (2024)
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/inteka.v9i2.10777

Briket didefinisikan sebagai energi alternatif pengganti bahan bakar fosil berwujud padat dan berasal dari limbah biomassa yang telah mengalami proses pemampatan dengan daya tekan tertentu. Salah satu limbah biomassa yang belum dimanfaatkan secara maksimal dan berpotensi dijadikan sebagai bahan bakar alternatif adalah limbah pelepah kelapa sawit. Penelitian ini bertujuan untuk menentukan pengaruh variasi jenis dan volume perekat terhadap kualitas briket dari limbah pelepah kelapa sawit berdasarkan analisis nilai kadar air, kadar abu, laju pembakaran, nilai kalor dan Scanning Electron Microscopy (SEM). Jenis perekat yang digunakan pada penelitian ini adalah tepung tapioka dan air tebu dengan variasi volume masing-masing sebesar 35, 40, 45, 50 dan 55 ml. Hasil terbaik yang diperoleh pada penelitian ini adalah dengan penambahan volume perekat sebanyak 45 ml. Hasil karakterisasi briket dari limbah pelepah kelapa sawit menggunakan perekat tepung tapioka dan air tebu secara berurutan yaitu kadar air sebesar 7,342% dan 7,361%, kadar abu 7,477% dan 7,905%, laju pembakaran 0,1004 dan 0,1140 gram/menit serta nilai kalor sebesar 5107,95 cal/gr dan 5038,69 cal/gr. Hasil pengujian dengan menggunakan SEM dengan perbesaran 2000x dengan ukuran partikel 20µm menunjukkan morfologi permukaan briket dengan susunan rongga yang teratur. Hasil penelitian ini menunjukkan bahwa briket yang dihasilkan sudah memenuhi SNI No.1/6235/2000 briket arang.

Space Pattern of Samudera Pasai Sultanate Mirsa, Rinaldi; Muhammad, Muhammad; Saputra, Eri; Farhana, Izzati
International Journal of Engineering, Science and Information Technology Vol 1, No 2 (2021)
Publisher : Malikussaleh University, Aceh, Indonesia

Samudera Pasai is one of the Islamic Sultanates in Indonesia which appeared in the Middle Ages or around 1267 AD. Evidence of the existence of the Sultanate of Samuedra Pasai in Indonesia is listed in the book Rihlah ilal-Masyriq (Wanderings to the East) written by Abu Abdullah Ibnu Batutha (1304 - 1368 AD), a Muslim adventurer who traveled to Samudera Pasai in 1345 AD. The spatial pattern of the Samudera Pasai Sultanate is no longer visible because there are no traces of archaeological remains in the form of any remaining buildings, except for the tombs of Sultanate figures and historical records of foreign adventurers who have explored the Samudera Pasai Sultanate. This record strengthens the evidence of the existence of the Samudera Pasai Sultanate. The methodology used in this case is a phenomenological approach and a historical approach, which are expected to approach optimal results in uncovering spatial patterns in the development of Islam. The spatial arrangement of the sultanate generally used the concept of catur gatra tungga, which was arranged in the form of: alun-alun (the square) as the center of space, markets to the north of the square, palaces to the south of the square, and mosques to the west of the square. The spatial arrangement then formed a spatial pattern that became the center of the Samudera Pasai Sultanate.

Characterization of Activated Carbon from Granulated Sugar Muhammad, Muhammad; Mulyawan, Mulyawan; Rahman, M R F; Suryati, Suryati
International Journal of Engineering, Science and Information Technology Vol 2, No 2 (2022)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Activated carbon that potentially acts as an adsorbent was prepared from granulated sugar. The activated sugar was prepared through a dehydration process followed by a chemical activation process with a concentrated NaOH solution. To comprehend the properties of prepared ready carbon, characterization of the carbon was needed to be conducted. The conducted methods for prepared activated carbon were FTIR for detecting present functional groups attached to carbon, BET to identify the porous structure of synthesized carbon, SEM method as a morphological indicating method on synthesized carbon, and carbon thermal stability characteristic information from the TGA method. It was found that the prepared activated carbon contained various functional groups. The distinguished functional groups presented were carboxylic acid, free alcohol, NH2, and SO3. The readily activated carbon showed a rough surface to enhance the adsorption process on the synthesized carbon from the SEM characterization method. BET on the readily activated carbon revealed that the activated carbon exhibited type IV isotherm, consisting dominantly of mesopores and micropores as a minority. TGA characterization method showed that the thermal stability of carbon was significantly unstable in the range of 100â„ƒ and around 200â„ƒ. It implies that the prepared activated carbon contained OH as one of its functional groups. With all the characterization methods conducted on the readily activated carbon from granulated sugar, it was found that the prepared carbon had the potential to be utilized as an adsorbent. Moreover, it is suggested that the granular sugar-based carbon should be investigated in the following future study in the wastewater treatment process.

Analysis of Temperature Variations, Types of Insulation and Coating on Corrosion Under Insulation on ASTM A53 Pipes Putra, Reza; Muhammad, Muhammad; Hafli, T; Islami, Nurul; Apandi S, Arpan
International Journal of Engineering, Science and Information Technology Vol 2, No 1 (2022)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Corrosion Under Insulation (CUI) can be described as localized corrosion that forms as a result of the penetration of water or moisture through an insulating material. The pipe material used is of the ASTM A53 standard and the fluid used in seawater because almost all industries are located on the coast. This type of coating is carried out on the test pipe using Meiji Epoxy Filler. The test method is carried out by flowing seawater fluid in pipes with water temperature variations of 30Â°C, 50Â°C, and 70Â°C. This pipe varies the type of insulation by using glasswool and Rockwool (ASTM G 189-07). This insulation is conditioned in a wet state by giving 2 ml of seawater drops with a pH value of 4 per 6 hours. The test equipment is divided into 3 series according to temperature variations with 4 test specimens and 2 coating variations respectively. The test time was carried out for 336 hours to obtain the corrosion rate results using the ASTM G31-72 weight loss method. The results showed that the type of Glasswool insulation with specimens coated had the lowest corrosion rate value of 0.00483 mmpy at a temperature of 30Â°C when compared to the same type of treatment on Rockwool insulation of 0.00724 mmpy or an increase of 2.41 times. This study shows that the type of insulation, temperature variation, and coating greatly affect the rate of corrosion and the type of corrosion that occurs is uniform corrosion.

MENGATASI BEBAN LEBIH TRANSFORMATOR GARDU DISTRIBUSI DENGAN MENGGUNAKAN TRAFO SISIP DI PT PLN (Persero) ULP LANGSA KOTA Muhammad, Muhammad; Meliala, Selamat; Damayanti, Damayanti
Jurnal Energi Elektrik Vol 11, No 1 (2022): Jurnal Energi Elektrik 2022
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jee.v11i1.7735

Transformator distribusi merupakan salah satu komponen yang sangat penting dalam penyaluran tenaga listrik dari gardu distribusi ke pelanggan. Pelayanan terhadap pelanggan akan terganggu sehingga apabila terjadi pemutusan aliran listrik atau pemadaman yang diakibatkan dari kerusakan pada Transformator Distribusi. Transformator distribusi yang mengalami beban yang melabihi 80% dari kapasitas transformator tersebut maka akan berefek pada umur/life time transformator distribusi dan juga dapat mempengaruhi tingkat dan mutu pelayanan pada konsumen serta berpotensi besar terjadi gangguan. Maka dari itu perlu dilakukan suatu tindakan agar persentase pembebanan transformator distribusi tidak melebihi kapasitas trnasformator dengan metode pemasangan Trafo Sisip. Motode penelitian dalam skripsi ini menggunakan metode kuantitatif dan juga menggunakan simulasi software ETAP 12.6.0. Di PT.PLN (Persero) ULP LANGSA KOTA terdapat transformator yang mengalami pembebanan berlebih (overload) yang terjadi pada Gardu Distribusi TC-7 sebesar 84,85% dan dilakukan pemasangan Trafo Sisip, pembebanan pada gardu TC-7 menjadi 49,65%. Dengan ini dapat dibuktikan bahwa pemasangan Trafo Sisip merupakan metode yang cukup baik untuk mengatasi gangguan pembebanan berlebih (Overload) pada Gardu TC-7, sehingga dapat memperpanjang umur trafo / life time transformator, menngkatkan kualitas pelayanan pada pelanggan dan mengurangi potensi terjadinya gangguan karena transformator pembebanan dibawah 80% dapat bekerja secara baik. Kata Kunci : Transformator, Trafo Sisip, Pembebanan berlebih (overload)

Utilization of Molasses Waste as Activated Carbon for Adsorption of Rhodamine B from Synthetic Waste Balatif, Ali Nur Muhammad Zaidin; Muhammad, Muhammad; Mulyawan, Rizka
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 4 No. 1 (2024): March 2024
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v4i1.14673

The utilization of molasses waste as Rhodamine B adsorbent has been investigated by studying adsorption isotherm and adsorption kinetics. The sample used is a variation of the concentration of Rhodamine B 10, 25, and 50 mg/L for kinetics adsorption and 50 mg/L, 100 mg/L, 150 mg/L, 200 mg/L, and 250 mg/L for isotherm adsorption. Kinetic analysis adsorption being tested by pseudo-first-order and pseudo-second-order rate equation, as for the equilibrium equation being tested by Langmuir and Freundlich adsorption isotherms. Study shows that Langmuir equation model and pseudo-second-order are the most suitable to be applied. The adsorption constant is obtained of 1.1664 L/g and qmax of 221.8279 mg/g in Langmuir Equation. Whereas for pseudo second order equations obtained values of qe, exp and qe, cal which are slightly different. The qe, cal values obtained were 8.142 mg/g, 23.141 mg/g, and 53.895 mg/g for various concentrations. K value is obtained with a range of 0.001754-0.000294 and a value of R2 with a range of 0.8249-0.995 for various concentration. Intraparticle diffusion in this study is not the only rate control measure due to the plot linear at each concentration does not cross the origin.

Co-Authors abdullah, humaira Adi Setiawan Agam Muarif Alashri, Haris Apandi S, Arpan Ar Razi Ardyan, Muhammad Armelia Dafrina Asrillah Asrillah Ayike Kusprasetya Azhari Azhari Azwar Yunus Balatif, Ali Nur Muhammad Zaidin Basuki Wasis Bustami Bustami Cut Milya Damayanti Damayanti Dela Andriani Eddy Kurniawan Effendi, Mulia Eri Saputra Faisal Faisal Fakhruddin Ahmad Nasution Farhana, Izzati Fasdarsyah Fasdarsyah Fidyati, Fidyati Giffary, Muhammad Gultom, Togu Sahat Martua Hadi Hosseiniamoli Hafizh Al Kautsar Aidilof Hafli, T Hastriad, Tengku Ishak Ishak Jalaluddin Jalaluddin Kamar, Iqbal Leni Maulinda, Leni Lukman Hakim Luthfi Luthfi M Irsyad K Masrullita Masrullita Meriatna Meriatna Mirsa, Rinaldi Mirza Farhan Misbahul Jannah Mochamad Ari Saptari Muhammad Arif Muhammad Fauzan Muhammad Huseini Lubis Muhammad Nugraha P Muhammad Rumiza Mulyawan, Mulyawan Mulyawan, Rizka Munirul Ula Muthmainnah Muthmainnah Nasrul ZA Nasrul ZA, Nasrul Nia Afriani Nikmat Wanda Nurhabiah Nurhabiah Nurlaila, Rizka Nurul Islami, Nurul Pasaribu, Josua Putra, Reza Rahmad Wahyudi Rahman, M R F Raudhatul Raihan Retwan, M.Alif Alzahy Rinaldi Mirsa Riza Fitri Rizal S.Si., M.IT, Rizal Rizka Mulyawan Rizki Alamsyah Rizky, Audry Azilla Rozanna Dewi Safwandi Safwandi Salahuddin Salahuddin Sanda Mulia Utari Selamat Meliala Sinaga, Selvi Sundari Sulhatun Sulhatun Suryati Suryati Suryati Suryati Susi Yanti Syamsul Bahri T Hafli Tarigan, Jhodi Okta Albiqho Zainuddin Ginting Zulmiardi, Zulmiardi

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