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All Journal Reaktor Jurnal Teknik Kimia USU Rekayasa Mesin Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS Buletin Profesi Insinyur JURNAL FLYWHEEL Journal of Sustainable Technology and Applied Science Jurnal Teknik Kimia USU
Lalu Mustiadi
Institut Teknologi Nasional Malang
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences

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Pengaruh (CH2)n Terhadap Karakteristik Pembakaran Bahan Bakar Pelet Partikel Arang Sampah Organik Mustiadi, Lalu; Astuti, Siswi; Eko Purkuncoro, Aladin
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 2 (2019): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (426.374 KB)

Abstract

The effect of (CH2)n on the combustion characteristics of organic waste charcoal pelletfuel has been studied visually and experimentally on atmospheric pressure and roomtemperature. Organic waste charcoal particles containing (C, O, Mg, Al, Si, Ca), and plasticbottle oil are formed as polyethelin (CH2)n. Pellet fuel is made from a mixture of polyethelinand organic waste charcoal particles, based on a percentage of the mass ratio (1; 5; 10%). Thecharacteristics of pellet combustion are identified from the time and temperature signal of theflame, by igniting a pellet under the thermocouple junction. The results showed that theincreasing mass of the mixture had a stronger influence on the pellet combustion process,indicated by the faster start-up time with an increased pellet burning rate. The catalyst in theorganic waste charcoal binds hydrogen from (CH2)n, forming the molecular structure (CH2)n tobe weak with a low density, therefore it can quickly evaporate and burn. With the bigger massof the mixture, carbon moles in pellets are increasing. Consequently, the greater the mass ratioof the mixture will form wider energy absorption characteristic, forming an equilibriumstoichiometric reaction by producing an increased rate of combustion energy release. Theincreasing mass of the mixture, helps the generation of activation energy is greater in theburning of organic charcoal waste pellets, as confirmed by the greater absorption of infrared%T energy.
UPAYA MENINGKATKAN EFEKTIVITAS KINERJA SUATU MENARA PENDINGIN Lalu, Mustiadi; Asroni , Mochtar
JURNAL FLYWHEEL Vol 1 No 2 (2008): Jurnal Flywheel
Publisher : Teknik Mesin S1 ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/flywheel.v1i2.111

Abstract

Menara pendingin merupakan peralatan yang berfungsi untuk melepaskan panas air ke udara lingkungan. Modifikasi dilakukan dengan menambahkan sirip pendingin dari berbagai bahan dan konstruksinya serta penambahan blower udara, dimaksudkan untuk meningkatkanefektivitas kinerja menara pendingin. Penelitian inimengungkappengaturan sudut lengkung siripmenara pendingin akan mempengaruhi range yang terjadi guna meningkatkan efektivitas kinerja menara pendingin. System menara pendingin yang terdiri dari rangka, casing, sirip pendingin, pompa air, blower yang dapat diatur putarannya serta unit water heater. Untuk pengambilan data; thermometer air diletakkan pada sisi air masuk dan keluar menara pendingin, thermometer udara bola basah diletakkan pada sisi masuk dan keluar menara pendingin, anemometer diletakkan pada sisi udara keluar menara pendingin, sertaflow meter air. Dalam penelitianpada variasi sudut lengkung sirip berhasil mengukur besaran data: temperaturair masuk dankeluar menara pendingin,laju volume air,temperaturwet bulbambient masuk dan keluar menara pendingin,laju udara. Hasil penelitian memperlihatkan besarnya perubahan range yang terjadi akibat pengaturan sudutlengkung sirip sertamenunjukkan peningkatan efektivitas kinerja menara pendinginsehingga menghasilkan peningkatan laju pendinginan air.
Penerapan Disk Mill Pada UMKM Anugerah Produksi Vitamin Unggas di Desa Sekarmojo Kecamatan Purwosari Djoko Hari Praswanto; Soeparno Djiwo; Mochtar Asroni; Lalu Mustiadi; Thomas Priyasmanu
JURNAL APLIKASI DAN INOVASI IPTEKS "SOLIDITAS" (J-SOLID) Vol 4, No 1 (2021): Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS
Publisher : Badan Penerbitan Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/js.v4i1.1771

Abstract

Poultry vitamins are one of the nutrients needed by breeders. This poultry vitamin serves to accelerate the growth of poultry, maintain the quality of poultry meat, improve the quality of poultry eggs, prolong poultry egg production and accelerate poultry egg production. One of the partners who was worked together with the ITN Malang team is engaged in the field of poultry vitamins production and wants to increase the turnover of poultry vitamin production. All the time, the price of poultry vitamins from factories is considered high enough so that farmers have objections to buying poultry vitamins from the factory. The community service team observed at the quality of poultry vitamins which are produced in the Purwosari area and will transfer technology to apply a disk mill in the production process which will be able to increase the production of poultry vitamins in good prices but with high quality also. In addition, the community service team will improve the packaging by used aluminum foil to avoid moisture and later will be given a logo to facilitate the sales process to breeders. After improved the packaging, it has expected can be freely marketing with the general standardization of poultry vitamins. So that farmers can get cheap and good quality poultry vitamins. From the results of the activities carried out, it was found that a disk mill machine with a capacity of 150 kg / hour. It if the production of 500 kg takes 3 hours with one workers person. So that the partners can save time and production costs. So that the profits obtained now increase 25% from previous profits. Meanwhile the packaging used by the team partners now used aluminum foil so that the product looks more attractive and is able to hold the product dry.
Penerapan Teknologi "Tuyuheji" Pada Industri Tempe Sebagai Upaya Peningkatan Produktivitas Dan Pendapatan UKM Lalu Mustiadi; Siswi Astuti; F. Endah Kusuma Rastini
JURNAL APLIKASI DAN INOVASI IPTEKS "SOLIDITAS" (J-SOLID) Vol 2, No 2 (2019): Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS
Publisher : Badan Penerbitan Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/js.v2i2.1342

Abstract

Pengusaha tempe “Diwas Jaya Purwodadi” merupakan salah satu pemasok tempe di Pasar Lawang Kabupaten Malang, pada proses pembuatannya menggunakan teknologi sederhana. Perebusan kedelai menggunakan bahan bakar kayu dan tangki perebusan menggunakan bahan aluminium. Bahan bakar kayu yang digunakan perbulan sebanyak 2 pickup dengan harga Rp600.000,00. Ruang pembersihan kulit kedelai, jadi satu dengan kandang sapi, ruang fermentasi berdinding batu bata dan berlantai tanah. Ruang produksi menjadi satu dengan rumah induk, sehingga asap pembakaran kayu bakar masuk ke dalam ruangan. Ditengarai oleh dokter puskesmas, ini salah satu penyebab dari penyakit sesak napas yang diderita oleh istri pengusaha tempe Diwas Jaya. Dari hasil produksi dan pemasaran yang dilaksanakan, laba kotor tanpa hitungan tiga pekerja perhari sebesar Rp 150.000,00. Oleh karena itu solusi dan rencana kegiatan yang diusulkan adalah pembuatan tungku kayu hemat energi (TUYUHEJI) yang ramah lingkungan, perbaikan fasilitas fermentasi, pembuatan media pemasaran on-line, pembuatan software administrasi keuangan. Setelah memakai TUYUHEJI terbukti adanya penurunan pemakaian bahan bakar 50%, tidak ada asap yang berasal dari pembakaran kayu, waktu pemasakan kedelai menjadi lebih pendek dan terjadi kenaikan produksi 20%. Pada waktu awal sekolah dan waktu banyak hajatan, semua pengusaha tempe mengalami penurunan,sehingga dilakukan pelatihan tambahan untuk membuat makanan berbahan dasar tempe. Adanya peningkatan pemahaman tentang sanitasi dan higienitas makanan serta keamanan pangan, sehingga tempat pendinginan kedelai dan tempat fermentasi semakin rapih dan bersih, susunan kedelai lebih kompak, rasa tempe menjadi lebih enak, dan pada tempe tidak ada mikroba e-coli. Dengan pemahaman manajemen usaha, sekarang telah ada laporan keuangan secara tertulis.
One-phase Transesterification of Palm Oil in to Biodiesel with Co-solvent Methyl Esters: The Effect of Adding Co-solvent to Kinetic Energy and Dipole Moment Elvianto Daryono; Lalu Mustiadi
Reaktor Volume 22 No. 1 April 2022
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.212 KB) | DOI: 10.14710/reaktor.22.1.7-13

Abstract

In the transesterification process, the problem is the low solubility of oil in methanol, so the reaction will run slowly. The solution to this problem is to add a co-solvent to increase the solubility so that a one-phase reaction will be formed. The co-solvent methyl ester is the right choice because it is a product of the reaction itself so that it does not require a separation process. The operating conditions of the study were mass of palm oil 250 g, mass of NaOH catalyst 0.8%wt, stirring speed 100 rpm, reaction temperature 60oC, the molar ratio of oil:methanol = 1:6, reaction time (5,10,15,20,25,30 minutes), and the mass of co-solvent (0,5,10,15%wt). The first stage of the research was to make co-solvent, then proceed with the transesterification reaction by adding  co-solvent which was carried out according to the research operating conditions. The optimum condition of the study was obtained at reaction time 30 minutes and the addition of co-solvent 5%, with yield 97.4171%. The density of FAME 0.88 g/mL and the concentration of FAME 99.963% which complied with SNI 7185-2015. The simulation results of ChemDraw for components of triglyceride+methanol+NaOH+co-solvent obtained kinetic energy 3479.0264 kJ/mol and dipole moment 43279.8007 debyes.
PENINGKATAN KEAHLIAN PROSES PENGELASAN KARANG TARUNA KELURAHAN TANJUNGREJO KECAMATAN SUKUN MALANG Aladin Eko Purkuncoro; Lalu Mustiadi; Rahmadi Setiawan
ABDIMAS UNWAHAS Vol 4, No 2 (2019)
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/abd.v4i2.3015

Abstract

dibina melalui pelatihan yang terus menerus secara periodik dengan pola pelaksanaan yang telah ditentukan oleh pemerintah berdasarkan tingkat kebutuhan masyarakat. Bagi industri kecil dan menengah di bidang permesinan dan konstruksi baja ringan, lingkup pekerjaannya tidak bisa lepas dari bahan logam (terutama baja). Hasil produk yang dihasilkan selalu berkaitan dengan penyambungan antar komponen logam, penyambungan antar komponen yang paling umum bisa dilakukan adalah dengan mur baut, keling maupun las.Dalam pengabdian masyarakat melalui pelatihan ini dapat memberikan informasi tentang tugas dan kewenangan pemeriksa pengelasan. Memberikan pemahaman tentang dasar perhitungan kekuatan sambungan las, yang kemudian dipusatkan pada pembacaan tabel. Memahami fenomena penyimpangan setelah proses pengelasan. Memberikan pemahaman tentang cara memperbaiki cacat pengelasan. Juga dalam pelatihan ini bisa mendapatkan proses pengelasan dengan menggunakan prosedur pengelasan, sehingga manajemen proses pengelasan bisa berjalan dengan baik. Mereduksi tingkat kegagalan pengelasan, sehingga penggunaan bahan lebih efektif. Meningkatkan mutu sambungan las. Adapun tujuan khusus dengan sudah dilakukannya penelitian tentang proses pengelasan ini, kita melakukan pengabdian masyarkat dengan memberikan ketrampilan adik-adik karang taruna kelurahan Tanjungrejo kecamatan Sukun kota Malang, dengan membuat beberapa produk yang dari proses pengelasan. Kata kunci: pelatihan, pengelasan, meningkatkan kualitas proses pengelasan.
Sintesis Media Tanam dari Kulit Singkong dengan Penambahan Abu Bagasse sebagai Porogen Nanik Astuti Rahman; Iryanti Fatyasari Nata; A. Anis Artiyani; M. Masrurotul Ajiza; L. Lalu Mustiadi; Aladin Eko Purkuncoro
Buletin Profesi Insinyur Vol 4, No 1 (2021): Buletin Profesi Insinyur (Januari-Juni)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/bpi.v4i1.95

Abstract

Penggunaan serbuk kulit singkong, selain menyediakan unsur hara yang dibutuhkan tanaman, pengalihan bentuk kulit singkong menjadi serbuk dimaksudkan untuk memperbesar porinya sehingga air akan terperangkap didalamnya. Pembuatan media tanam ini dilakukan dengan cara membersihkan kulit singkong dari kotoran menempel, mengeringkan dan mengecilkan ukurannya dengan blender. Serbuk kulit singkong dicampurkan dengan arang bagasse dan tanah dengan ratio (%w/w) 50%, 45% dan 5%. Campuran yang sudah dicampur homogen didiamkan selama 10 menit, setelah itu media tanam siap diaplikasikan.  Kegiatan ini dilakukan di Desa Ngenep, Karangploso Kabupaten Malang. Untuk mendapatkan media tanam yang baik, campuran antara serbuk kulit singkong, sekam padi dan tanah berturut-turut adalah 55%; 45%; 5%. Kandungan unsur hara yang terdapat dalam media tanam dari kulit singkong ini adalah 2,9% N, 3,0% P dan 3,5% K.Kata kunci: kulit singkong, media tanam, arang bagasse, porogen
PRODUKSI BIODIESEL DARI MINYAK KELAPA SAWIT DENGAN CO-SOLVENT FAME (FATTY ACID METHYL ESTERS) DAN APLIKASINYA PADA MOTOR BAKAR Elvianto Dwi Daryono; Lalu Mustiadi
Jurnal Rekayasa Mesin Vol. 13 No. 2 (2022)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v13i2.1056

Abstract

The process of transesterification is slow due to the low solubility of triglycerides in methanol. The limitation of mass transfer can be overcome by adding a co-solvent. Co-solvent FAME is the right choice because it is the product of the reaction itself so that it does not require a separation process. The purpose of this study was to examine the use of FAME as a co-solvent in the transesterification of palm oil and its application to the combustion engine. The operating conditions were palm oil mass of 250 gr, NaOH catalyst 1.2% wt, stirring speed 100 rpm, reaction temperature 70oC, ratio molar of oil:methanol =1:6, reaction time (5,10,15,20,25,30 minutes), and co-solvent (0,5,10,15% wt). After the optimum conditions are obtained, the next step is to make biodiesel on a semi pilot plant scale. Oil, methanol, NaOH and co-solvent were put into a stirred reactor and heated at a reaction temperature of 70⁰C. After the reaction is complete then it is flowed into the separator for separation by adding hot water to form 2 layers. The top layer is biodiesel which was analyzed and performance test on the combustion engine. The optimum condition of the process is a reaction time of 10 minutes and the addition of 10% co-solvent, with a yield of 76.7783%. The results of the analysis of SNI 7182:2012 states that biodiesel meets almost all requirements. From the biodiesel performance test on the combustion engine, B10 got quite satisfactory results for the torque and opacity test parameters.
Pengaruh Penambahan Co-solvent Metil Ester dan Waktu Reaksi pada Proses Transesterifikasi Minyak Kelapa Sawit Menjadi FAME (Fatty Acid Methyl Esters) Daryono, Elvianto Dwi; Mustiadi, Lalu
Jurnal Teknik Kimia USU Vol. 11 No. 1 (2022): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jtk.v11i1.7668

Abstract

Biodiesel is a renewable energy that is expected to replace diesel. The process of making biodiesel is constrained due to the limited solubility of the reactants. One way to increase the solubility is to add a co-solvent that can dissolve polar and non-polar materials. Methyl ester is the best co-solvent because it is cheap and can shorten the stages of the biodiesel manufacturing process. The aim of the research was to obtain the optimum conditions for the transesterification process with the addition of co-solvent methyl ester. The operating conditions of the study were palm oil raw material, 1% NaOH catalyst mass, oil : methanol molar ratio = 1:6, stirring speed 100 rpm, reaction temperature 70 ⁰C, reaction time (5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes) and the mass of co-solvent (0%, 5%, 10%, 15%). The optimum conditions of the study obtained the optimum FAME yield of 57.33% in the transesterification reaction of palm oil with 15% co-solvent methyl ester at a reaction time of 15 minutes. At the optimum condition obtained FAME concentration of 96.63% which meets SNI 7182-2015.
EARLY STUDY OF BIOCHARCOAL QUALITY FROM POULTRY LIVESTOCK WASTE Anggorowati, Dwi Anna; Minah, Faidliyah N.; Artayani, Anis; Mustiadi, Lalu
Journal of Sustainable Technology and Applied Science (JSTAS) Vol. 1 No. 1 (2020): Journal of Sustainable Technology and Applied Science, May 2020
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Nasional (ITN) Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jstas.v1i1.2523

Abstract

Bio charcoal is one type of fuel in the form of charcoal made from various kinds of biological or biomass material, which includes agricultural waste, forestry waste, agro-industrial waste, animal waste from livestock waste. Bio charcoal is produced from the carbonization process or the charcoal process of materials containing carbon (biomass). One of the biomass that has the potential to be used as raw material for bio charcoal is poultry manure originating from poultry livestock waste. The composition of poultry livestock waste (chicken manure) is crude protein by 9.97-12.67% and crude fiber by 30.36-32.65. This study aims to determine the optimal carbonization temperature and particle size in the carbonization process so that optimal Fixed Carbon level can be obtained by using variations in the size of Chicken Manure Particles, namely: 30 mesh, 40 mesh, 50 mesh, and Charcoal temperature: 200, 225, 250, 275 and 300° C. Stages of the process carried out is drying chicken manure to the weight of constant chicken manure (water content < 10%) and then mashed and sieved to sizes of 30, 40, and 50 mesh and the last stage is the charcoal process of chicken manure with variations in temperature of 200, 225, 250, 275, and 300° C until the perfect charcoal process. From this study, the best parameter is obtained at 350° C and 50 mesh particle size with 45% Fixed Carbon content, 3.26% moisture content, 41% ash content, and volatile matter content 22%.
Co-Authors Aladin Eko Purkuncoro Anggorowati, Dwi Anna Anis Artiyani Artayani, Anis Elvianto Dwi Daryono Endah Kusuma Rastini Iryanti Fatyasari Nata, Iryanti Fatyasari Masrurotul Ajiza Minah, Faidliyah N. Mochtar Asroni Nanik Astuti Rahman Praswanto, Djoko Hari Rahmadi Setiawan Siswi Astuti Soeparno Djiwo Thomas Priyasmanu