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All Journal Jurnal Teknik Kimia USU Jurnal Teknologi Mineral dan Batubara Jurnal Geomine PROMINE Chemistry Indonesian Journal of Chemical Research JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal GEOSAPTA Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) Abdimas Toddopuli: Jurnal Pengabdian Pada Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Madaniya Prima Abdika: Jurnal Pengabdian Masyarakat Journal of Metallurgical Engineering and Processing Technology Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal PkM (Pengabdian kepada Masyarakat) Jurnal Teknik Kimia USU Jurnal Riset Teknik Pertambangan Jurnal Inovasi Pertambangan dan Lingkungan Journal of Geology and Exploration Jurnal Teknologi Kimia Mineral INTEGRATIF: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknologi Mineral dan Batubara Journal Of Chemical Process Engineering Journal of Mining Insight Journal of Engineering Science and Technology Applications Jurnal Teknologi Sumberdaya Mineral Cognitia : International Engineering Journal JURNAL PERTAMBANGAN
Bakri, Suriyanto
Program Studi Teknik Pertambangan, Fakultas Teknologi Industri, Universitas Muslim Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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Benefisiasi Bijih Kromit Daerah Paludda Dengan Metode Konsentrasi Gravitasi Suriyanto Bakri; Mohammad Iqbal; Sitti Ratmi Nurhawaisyah; Muhammad Idris Juradi; Hasbi Bakri
Journal of Metallurgical Engineering and Processing Technology Vol 3, No 2 (February 2023)
Publisher : UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v3i2.7309

Abstract

Daerah Palludda Barru terdapat bijih kromit dengan kadar rendah atau belum bisa dimanfaatkan lebih lanjut. Metode yang cocok untuk bijih kromit adalah metode konsentrasi gravitasi dengan meja goyang. Penelitian dilakukan dengan tujuan untuk mengetahui besar peningkatan kadar dan perolehan bijih kromit asal Palludda Barru menggunakan meja goyang dengan menvariasikan sudut kemiringan. Hasil penelitian didapatkan kemiringan optimum pada sudut 10° dengan kadar 35,89% dan recovery 59,06%.
ANALISIS PENGARUH PENERAPAN KESELAMATAN DAN KESEHATAN KERJA TERHADAP PRODUKTIVITAS KERJA KARYAWAN PADA AREA PRODUKSI PIT ALFA PT BUMI SENTOSA JAYA oktaviani oktaviani oktaviani; Suriyanto Bakri; Abdul Salam Munir
Jurnal Inovasi Pertambangan dan Lingkungan Vol 2, No 2 (2022): Jurnal Inovasi Pertambangan dan Lingkungan
Publisher : Syarif Hidayatullah State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jipl.v2i2.29301

Abstract

Penerapan keselamatan dan kesehatan kerja berpotensi mempengaruhi produktivitas kerja karyawan dalam suatu area penambangan. Penelitian bertujuan untuk mengetahui penerapan keselamatan dan kesehatan kerja area produksi pada PT Bumi Sentosa Jaya, produktivitas kerja karyawan, dan pengaruh penerapan keselamatan dan kesehatan kerja terhadap produktivitas kerja karyawan. Lokasi penelitian ini terletak di Desa Boedingi, Kecamatan Lasolo, Kabupaten konawe utara, Provinsi Sulawesi tenggara. Pengumpulan data dalam penelitian ini dengan menyebarkan kuesioner kepada 42 orang karyawan di area produksi dan teknik analisis yang digunakan berupa teknik analisis deskriptif, uji korelasi ganda, analisis regresi linier berganda, uji parsial (uji t), uji simultan (uji f) dan koefisien determinasi. Hasil pada penelitian ini menunjukkan bahwa penerapan keselamatan dan kesehatan kerja secara keseluruhan tergolong dalam kategori baik dengan nilai keselamatan kerja 134,08, nilai kesehatan kerja 134,06, dan produktivitas kerja karyawan dengan nilai 136,08. Penerapan keselamatan dan kesehatan kerja berpengaruh terhadap produktivitas kerja karyawan dengan pengaruh sebesar 32,1%. Saran untuk peneliti berikutnya diharapkan untuk melakukan penelitian lebih dalam mengenai pengaruh penerapan keselamatan dan kesehatan kerja terhadap produktivitas kerja karyawan sehingga pekerjaan yang dilaksanakan terlaksana sebagaimana mestinya Kata kunci: Keselamatan kerja, kesehatan kerja, produktivitas kerja.
Analisis Karakteristik Geokimia Batuan Potensi Pembentuk Air Asam Tambang Daerah Tanjung Kabupaten Bone Firman Nullah Yusuf; Andi Fahdli Heriansyah; Arif Nurwaskito; Suriyanto Bakri; Mubdiana Arifin
Jurnal Geomine Vol 11, No 1 (2023): April 2023
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jg.v11i1.1705

Abstract

Mining materials can be in the form of material (over-burden) and potentially contain sulfide minerals, the research location is a former iron ore mining, it is known that iron ore is an acid mine drainage forming material. This characterization test of acid mine drainage forming samples can be used as a consideration in environmental management design to minimize unwanted environmental impacts. This study aims to analyze the mineralogical content of rocks, the potential of rocks as acid mine drainage formers, and determine management methods if the potential for acid mine drainage is indicated. The samples used were 5 rock samples in the pit and disposal, using petrography, mineragraphy, and XRD mineralogy analysis to determine the mineral composition contained, and kinetic testing to determine the reaction rate of acid mine drainage formation. The results of the analysis obtained the composition of metal minerals contained in samples 4 and 5, namely pyrite, hematite, magnetite, and geotite. Whereas in samples 1, 2, and 3 not enough metal minerals were detected. The results of the kinetic test analysis produce accurate data for samples 4 and 5 which have low or acidic pH values 6. So it can be concluded that the potential for the formation of acid mine drainage is found in samples in the disposal, namely iron ore with a low pH value 6 (acidic), methods that can be used in the process of preventing and controlling acid mine drainage can be done passively by using NAF material to stockpile polluted PAF material.
Quality Analysis of South Sulawesi Bonto Matinggi Coal for Cement Industry Needs Suriyanto Bakri; Imam Riswandi; Anshariah Anshariah; Harwan Harwan
PROMINE Vol 10 No 1 (2022): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v10i1.2390

Abstract

Coal in Indonesia is widely used for both export and domestic industrial needs. Domestically, it is widely used for the textile industry, power plants, and the cement industry. Coal consumption for the cement industry in Indonesia in 2022 is up to 15 million tons. In the cement industry, coal is used as a basic material for fuel in kilns. For its utilization, coal needs to know its properties. These properties can be known by proximate analysis, sulfur content analysis and calorific value. Therefore, this research aims to find out and determine whether the quality of Bonto Matinggi coal is in accordance with the coal specifications needed in the cement industry. The research method was carried out by taking two coal samples directly in the research area, namely SA I coal sample and SA II coal sample. The coal samples were then prepared and further analyzed. Analysis of coal sample quality was carried out by proximate, sulfur and calorie analysis methods. The results of proximate analysis show that the moisture content in air dried both samples have a value that is not too significant with an average value of 6.29% adb; ash content of 19.99% adb; volatile matter of 46.79% adb and fixed carbon of 39.86% adb as well as sulfur content of 0.39% adb and calories with an average of 4,692.92 cal/g. The coal in the study area does not qualify as a basic material for fuel in kilns in the cement industry. The coal in the study area, if classified according to the Classification of in Seam Coal 1998, is classified as low grade coal (according to ash content) and the coal rank includes bituminous rank (medium rank).
Geochemical Characterization of Silica Sand in the Sidenreng Rappang Area Based on X-Ray Diffraction Analysis and X-Ray Fluorescence Analysis Suriyanto Bakri; Muhammad Anas; Muhamad Hardin Wakila; Citra Aulian Chalik
Journal of Geology and Exploration Vol. 2 No. 1 (2023): Journal of Geology and Exploration, June 2023
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v2i1.36

Abstract

Silica sand is one of the mineral materials whose presence in nature is very abundant and can be utilized in various applications, but this material is still mixed with other elements. In the chemical element on the periodic table silica is symbolized (Si). The purpose of this study was to determine the types of minerals present in silica sand and to determine the percentage of silica sand mineral content. The research location is in the area of ​​Sidenreng Rappang Regency, Sidrap is a district in South Sulawesi Province, Indonesia. This research method uses XRD and XRF analysis methods. From the results of research on minerals contained in silica sand, among others, Albite and pyroxene. With mineral content that predominates in silica sand, among others, the albite mineral from sample 1 is 23.2%, sample 2 is 32.2% and sample 3 is 13.5% while the Pyroxene mineral from sample 1 is 17.6%. , sample 2 of 13.5% and sample 3 of 17.0%.
Pelatihan Teknologi Berbasis Software ArcGIS Untuk Pembuatan Peta Wilayah Bagi Taruna-Taruni SMK Techno Terapan Makassar Muhammad Idris Juradi; Suriyanto Bakri; Alam Budiman Thamsi
Madaniya Vol. 4 No. 4 (2023)
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/27214834.564

Abstract

SMK Penerbangan Techno Terapan Makassar merupakan salah satu sekolah kejuruan yang memiliki kompetensi keahlian teknik geologi pertambangan dengan salah satu keahlian yang wajib peserta didik miliki adalah memiliki kemampuan dalam mengoperasikan software ArcGIS. Program PKM ini bertujuan untuk peningkatan kualitas layanan mitra sekolah agar dapat meningkatkan kompetensi/skill keterampilan bagi peserta didik dalam mengoperasikan software ArcGIS. Metode pelaksanaan yang ditawarkan pada mitra adalah dengan memberikan materi dasar penggunaan software ArcGIS, petunjuk penggunaan alat berupa GPS dan pengolahan data dengan menggunakan perangkat komputer/laptop. Hasil penilaian kegiatan pelatihan yang dilakukan melalui survey kuisioner memperlihatkan terjadi perubahan tingkat pemahaman kepada 21 peserta, pada pretest sebelumnya peserta dengan tingkat pemahaman yang sangat rendah berada pada persentase 39% dan setelah dilakukan kegiatan pelatihan terjadi penurunan dan berada di kisaran 6,5%. Begitupun dengan tingkat pemahaman dengan kategori sangat tinggi, terjadi perubahan persentase yang sangat signifikan, dimana sebelumnya pada post test tingkat pemahaman dengan kategori sangat tinggi hanya berada dikisaran 8,5% dan setelah dilakukan pelatihan terjadi peningkatan dengan persentase 25,5%. Berdasarkan hasil kegiatan pelatihan yang telah dilakukan dimana peserta yang mengikuti kegiatan pelatihan mengalami perubahan tingkat pemahaman terhadap materi yang diberikan berdasarkan survey penilaian yang diberikan baik sebelum maupun setelah kegiatan pelatihan dilakukan, peserta yang mengikuti kegiatan pelatihan telah mampu membuat dan mendesain peta wilayah berdasarkan pengamatan tim PkM selama mengikuti pelatihan.
STUDI TRANSFORMASI GOETIT MENJADI HEMATIT SECARA MEKANOKIMIA UNTUK BENEFISIASI BIJIH BESI LATERIT Suriyanto Bakri; Edy Sanwani
Jurnal Teknologi Mineral dan Batubara Vol 15 No 3 (2019): Jurnal Teknologi Mineral dan Batubara Edisi September 2019
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/jtmb.Vol15.No3.2019.959

Abstract

Sumberdaya dan cadangan bijih besi laterit Indonesia sangat melimpah sehingga memberi potensi untuk dimanfaatkan sebagai alternatif bahan baku pembuatan baja, mengingat kebutuhan besi baja tiap tahunnya meningkat. Pada penelitian ini dilakukan transformasi fasa goetit menjadi hematit secara mekanokimia untuk meningkatkan kandungan Fe pada bijih besi laterit. Percobaan secara mekanokimia dilakukan dengan menvariasikan waktu penggerusan 5 – 50 jam, 20 – 50% persen volume mill dan jenis bola penggerus. Hasil karakterisasi menunjukkan bahwa bijih besi laterit asal Pulau Sebuku, Kalimantan Selatan bersifat ferromagnetik yang didominasi oleh goetit (FeOOH) dan maghemit (γFe2O3) dengan kadar Fe 42,68%. Transformasi fasa goetit menjadi hematit dan maghemit menjadi magnetit secara sempurna terjadi setelah 50 jam penggerusan, pada persen volume mill terbaik 50%, dan jenis media bola penggerus baja dengan kadar Fe 53,03%. Distribusi ukuran partikel D90 54,30 nm. Penggerusan secara mekanokimia berpengaruh pada sifat kemagnetan bijih besi laterit yang semula dengan nilai intensitas medan magnet 6,23 emu/gram naik menjadi 9,55 emu/gram.
Pemanfaatan Asap Cair Hasil Pirolisis Batubara sebagai Pestisida Organik pada Rayap (Coptotermes curvignathus Holmgren) Arman, Muh; Bakri, Suriyanto; Majid, Rafdi Abdul
Jurnal Teknik Kimia USU Vol. 10 No. 2 (2021): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jtk.v10i2.5604

Abstract

Pyrolysis is a process of chemical decomposition of materials through a heating method in the absence of oxygen or a little oxygen. The utilizing coal as a raw material for making liquid smoke, it is hoped that it will be able to produce pesticides that have economic value and can be used as a termite exterminator. The use of coal as a raw material for making liquid smoke is expected to produce pesticides that have economic value and can be used as a termite repellent. This research aimed to determine the optimum concentration and time of liquid coal smoke as a pesticide against termite insect mortality (Coptotermes curvignathus Holmgren). The method used is the coal pyrolysis process at a temperature of 300 0C. The process of testing the mortality of termites with time and concentration variables. The determination of the liquid smoke content of coal is carried out by qualitative and quantitative analysis. The results showed that the optimum time for termite mortality was 25 minutes with an optimum concentration of 80%, where the termite mortality was obtained by 100%. Based on the results of UV/VIS Spectrophotometer Analysis, the sulfur content of liquid coal smoke was 46.92 mg/kg, and the degree of acidity (pH) was 3.00. The acidity content is high enough to allow pesticides from liquid coal smoke to be widely used in agriculture.
Coal Quality Analysis Based on Proximate and Ultimate Test Results in Massenreng Pulu Village, Lamuru District, Bone Regency Bakri, Suriyanto; Jefri, J; Widodo, Sri
Journal of Geology and Exploration Vol. 1 No. 2 (2022): Journal of Geology and Exploration, December 2022
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3036.684 KB) | DOI: 10.58227/jge.v1i2.7

Abstract

Coal is one of the minerals that has an important role in the mining industry in Indonesia. Massenreng Pulu Village, Lamuru District, Bone Regency, South Sulawesi Province is an area that has coal resources, the quality of coal in that area needs to be known. The quality of coal has a very important role in the utilization of coal. Coal quality parameters will affect the intended use of coal. The purpose of this study was to analyze the quality of coal based on the proximate and ultimate analysis tests. The sampling method was channel sampling, samples from the field were then brought to the laboratory for preparation and analysis proximately and ultimately. The results of the proximate analysis of coal samples contained an average moisture content of 15.75% ar, ash content of 3.48% ar, volatile matter of 42.35% ar and fixed carbon of 37.91% ar while the results of the ultimate analysis of coal samples contained an average of 66.52% carbon. wt, 4.6% wt hydrogen, 0.93% wt nitrogen and 23.05 wt oxygen. Based on the ash content, if classified according to The UNECE 1998 classification of in seam coals, it can be seen that the rank of coal in the study area is classified as high grade coal.
Mapping of Nickel Laterite Resources Using Geographical Information Systems (Sig), Case Study Koninis Region, Central Sulawesi Province Firdaus, F; Bakri, Suriyanto; Arman, Muh.
Journal of Geology and Exploration Vol. 1 No. 2 (2022): Journal of Geology and Exploration, December 2022
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5841.97 KB) | DOI: 10.58227/jge.v1i2.8

Abstract

The Map Banggai geology sheet especially Bunta has ultramafic rocks so it needs to be mapping the laterite nickel resources. This study aims to determine the spread, determine the levels of mineral elements contained and determine the estimated nickel laterite resource in the research area. The research method was carried out by taking field data and testing the sample levels then analyzed using the application of Geographic Information Systems (GIS). The results showed that the distribution of laterite nickel was found in the ultramafic unit area with elevations between 110 - 170 m which extended from north to south of the research area with an area of ​​29.25 ha, levels of Ni elements for Cut Off Grade (COG) were 1.6% and Fe 34.29% with a thickness of 3 m and an estimated nickel laterite (hypothetical) resource of 1,140,750 tons.
Co-Authors Abdul Salam Munir Abdullah, Muh. Agung Agus Ardianto Budiman Alam Budiman Thamsi Aldi Suryadi Alfian Nawir Alfian Nawir Alimuddin . Andi Artiningsih Andi Fahdli Heriansyah Angga Mulia, Muhammad Ilham Anshariah Anshariah Ardana, Muhammad Fabio Ardana, Rifal Arham Arif Nurwaskito Arif Nurwaskito Arif Nurwaskito Arifin, Mubdiana Arman, Muh Aulia, Rizky Nurul Baehaqi Bakri, Hasbi Bakri, Hasbi Basmuddin, Abdul Azis Chalik, Citra Aulian Citra Aulia Khalik Citra Aulian Chalik Dewy Kumala Tehuayo Dian Safitri Dian Safitri Edy Sanwani F. Firdaus Fadli Heriansyah, Andi Febrianty, Vanda Firdaus Firdaus F Firdaus, F. Firman Firman Firman Nullah Yusuf Fitria, Ade Nurul Furkani, Dian Gaffar, Abd Habibie Anwar Habiebie Anwar Harwan Harwan Harwan, Harwan Hasbi Bakri Husain, Hartina Idris Juradi, Muhammad Iksan, Muh. Imam Riswandi Jamal Rauf Husain Jefri, J Kurnia Ningsi Kusnaeni Kusnaeni, Kusnaeni Majid, Rafdi Abdul Miftah Farid Mochammad Imron Awalludin Mohammad Iqbal Muh Arman Muhammad Ainul Az Muhammad Anas Muhammad Aswadi Muhammad Fajrul Muhammad Rifki Nisardi Muhammad Zhaky Putra Muhdi, Irawan Mundiana, Arifin Mursit, Mursalat Nawir, Alfian Nur Asmiani Nurhalima Nurhawaisyah, Sitti Ratmi Nurhawaisyah, Sitti Ratmi Nurliah Jafar Nurliah Jafar, Nurliah Nurmalasari Nurmalasari Nurmalasari Nurwaskito, Arif oktaviani oktaviani oktaviani Prasetyawati Umar, Emi Prayitna, Yusri Putri Mutia Monica Rahmat Agam Putra Ratmi Nurhawaisyah, Sitti Sitti Ratmi Nurhawaisyah Sitti Riatmi Nurhawaisyah Sri Widodo Suaedi Syam, Nur Ilahi Syamsul Bakhri Syukrika Putri Syukrika Putri Takur, Takur Utami, Hesti Wakila, Muhammad Hardin Yusri Prayitna Zalsabila, Zalwa Zulfadli Zulfadli Zulkarnaen, Dina