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All Journal Media Mahardhika JURNAL TEKNIK PATRA AKADEMIKA Berajah Journal Inovatif: Jurnal Ekononi, Manajemen, Akuntansi, Bisnis Digital dan Kewirausahaan International Journal of Social Science, Education, Communication and Economics Jurnal Cakrawala Ilmiah Jurnal Pengabdian Mandiri Media Bina Ilmiah Indonesian Journal of Innovation Science and Knowledge Jurnal Simki Economic Jurnal Ekonomi, Manajemen, Bisnis dan Akuntansi Review Jurnal Ekonomi, Manajemen, Akuntansi dan Keuangan
Maya Matofani
Politeknik Akamigas Palembang
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Public Health Social Sciences Other

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PELUANG MMT (METHYLCYCLOPENTADIENYL MANGANESE TRICARBONYL) SEBAGAI ADITIF PENINGKAT ANGKA 1 OKTANA BENSIN ALTERNATIF Zainuddin Fatoni; maya Matofani
Jurnal Teknik Patra Akademika Vol 6 No 02 (2015): Jurnal Teknik Patra Akademika
Publisher : Politeknik Akamigas Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (302.478 KB)

Abstract

Concious of environment problem in latest decade, to cause many countries to define application lead compound in motor gasolines. The experiment has conducted for evaluation quality of MMT (Methylcyclopentadienyl Manganese Tricarbonyl) additive to compare with TEL (Tetra Ethyl Lead) that is more than 70 years ago to be used. The experimentation has carried out together with technicien team of Ethyl Corporation to be produced MMT meant. The experimental has shown, for in behalf of MMT 9 ~ 36 mgram Mn/litre concentration base on motor gasoline components of 77.3 and 82.5 Research Octane Number (RON), the increase octane number roundabout of 1.7 ~ 4.1 RON. This actane gain lower than TEL with smallish concentration of 0.08 ~ 0.28 mgram Pb/litre, now with standing to be able increase the actane gain roundabout of 2.8 ~ 7.9 RON on the same test samples.
Analisis Nilai Keekonomian Ketersediaan Kebutuhan Alat Penunjang Tambang untuk Operasional Pengupasan Overburden Dalam Meningkatkan Produktivitas Shovel PC3000E-6 Maya Matofani; Edwin Harsiga; Ayu Srimarta
Inovatif: Jurnal Ekonomi, Manajemen, Akuntansi, Bisnis Digital dan Kewirausahaan Vol. 2 No. 1 (2023): JANUARI 2023
Publisher : Pusat Riset Manajemen Dan Publikasi Ilmiah Serta Pengembangan Sumber Daya Manusia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55983/inov.v2i1.354

Abstract

Pit 3East ElectrificationBanko Barat PT Bukit Asam, tbk has provided mining support equipment of 2 units of Komatsu D375A bulldozer, 4 units of Komatsu D85SS bulldozer, 1 unit of MG825 grader and 1 unit compactor, with rental status. However, the availability of supporting equipment that has been provided can not fully support the April 2018 production target Therefore it is necessary to recalculate the amount of supporting equipment that should be provided in April 2018. After the improvement efforts in the form of additional supporting equipment, the total production capable of producing PC3000E-6 shovel amounted to 729,932 bcm / month, an increase of production amounted to 329,535 bcm / month.The result of calculation of requirement of mine supporting tool based on productivity of each tool can be concluded that the number of tools that should be provided are 2 units of Komatsu D375A bulldozer, 5 bulldozer D85SS units, 3 MG825A grader units and 2 compactor units. Based on calculations made the company issued a rental fee lower than the actual APT rental fee of Rp7.769 / bcm which is Rp 5,919 / bcm, making it more profitable than the previous conditions.
A ANALISA FUEL RATIO DUMP TRUCK XCMG HANVAN PADA KEGIATAN PENGANGKUTAN OVERBURDEN DI PT GLOBAL ENERGI MAKMUR Lina Rianti; Maya Matofani; Heriyanto Heriyanto
Jurnal Teknik Patra Akademika Vol 14 No 02 (2023): Jurnal Teknik Patra Akademika
Publisher : Politeknik Akamigas Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52506/jtpa.v14i02.215

Abstract

PT Global Energi Makmur adalah perusahaan swasta yang bergerak di dalam bidang penambangan batubara. Pada kegiatan penambangan ini, konsumsi bahan bakar alat mekanis sangat berpengaruh pada proses produksi. Konsumsi bahan bakar yang efisien pada alat mekanis akan membuat biaya produksi menjadi lebih rendah. Salah satu masalah yang timbul adalah tidak tercapainya target produksi yang telah ditetapkan oleh perusahaan dan konsumsi bahan bakar pada alat mekanis menjadi tidak ekonomis. Metode penelitian ini adalah metode deskriftif dapat diartikan sebagai prosedur pemecahan masalah yang diselidiki dengan menggambarkan keadaan subjek atau objek dalam penelitian dapat berupa orang, lembaga, masyarakat dan yang lainnya yang pada saat sekarang berdasarkan fakta-fakta yang tampak atau apa adanya. Berdasarkan tujuan dalam kegiatan penelitian ini yaitu menghitung produktivitas alat angkut overburden, Menghitung konsumsi bahan bakar untuk alat angkut overbuden, Menganalisa dan menghitung fuel ratio plan dan fuel ratio actual untuk kegiatan pengangkutan overburden ke disposal. Dari hasil kajian di lapangan didapatkan produktivitas actual alat angkut overburden pada bulan Februari 2023 sebesar 11,66 bcm/jam dan pada bulan Maret 2023 sebesar 10,71 bcm/jam, konsumsi bahan bakar pada bulan Februari 2023 rata - rata sebesar 10,79 liter/jam dan pada bulan Maret 2023 rata – rata sebesar 10,21 liter/jam , selisih fuel ratio pada bulan Februari 2023 sebesar 0,50 liter/bcm dan pada bulan Maret 2023 sebesar 0,52 liter/bcm
ANALISIS TEKNIS DAN EKONOMIS PADA PENGELOLAAN AIR ASAM TAMBANG MENGGUNAKAN KAPUR TOHOR DI KPL 01 AL CIK AYIB PT BUKIT ASAM, Tbk. Maya Matofani; Lina Rianti; Iranda Septa Pratama
Jurnal Cakrawala Ilmiah Vol. 4 No. 5: Januari 2025
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jcijurnalcakrawalailmiah.v4i5.9527

Abstract

This research aims to analyze the management of acid mine drainage (AMD) using quicklime at KPL 01 CIK AYIB PT Bukit Asam, Tbk. from technical and economic perspectives. The research method used is descriptive quantitative with primary data collection through field observations and secondary data from the company. The results show that AMD management at the site uses an active method with the addition of quicklime (CaO) in the first 5 compartments, followed by a passive method using wetlands in the next 9 compartments. The average use of quicklime is 6 sacks (180 kg) per day, capable of neutralizing the pH of AMD from 5.5 to 6.69-8.21 at the outlet. The cost of using quicklime for one month reaches Rp 8,865,000. This study concludes that AMD management using quicklime at the site is technically effective in neutralizing pH according to quality standards and needs further analysis in terms of its economic efficiency.
Analysis of Financial Efficiency of Renewable Energy Projects Through a Value-Based Management Approach Matofani, Maya; Hartati, Sri; Septyani, Devia
International Journal of Social Science, Education, Communication and Economics Vol. 4 No. 1 (2025): April
Publisher : Lafadz Jaya Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/sj.v4i1.474

Abstract

This study explores the application of the Value-Based Management (VBM) approach in analyzing the financial efficiency of renewable energy projects. As the global demand for clean and sustainable energy increases, renewable energy projects play a strategic role in the energy transition but are often faced with challenges of large initial investment, technological risks, and regulatory uncertainty. The results show that the application of VBM in evaluating renewable energy projects can improve the quality of investment decision making by considering both financial and non-financial aspects holistically. VBM encourages companies to be more selective and strategic in choosing projects that are not only economically feasible, but also socially and environmentally sustainable. In addition, this approach provides a strong framework for aligning managerial objectives with shareholder interests, improving corporate governance, and strengthening transparency in the process of evaluating and reporting project performance.
PENERAPAN BIAYA LINGKUNGAN PADA TAMBANG AIR LAYA PT BUKIT ASAM, TBK Ningsih, Meidiana Mulya; Rianti, Lina; Matofani, Maya; Pratama, Iranda Septa
Media Mahardhika Vol. 23 No. 2 (2025): January 2025
Publisher : STIE Mahardhika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29062/mahardika.v23i2.1237

Abstract

The purpose of this study to analyze the implementation of environmental costs at PT Bukit Asam, Tbk and specifically, its practice at the Cik Ayib mud settling pond mine, Sumatera Selatan. The research method uses a qualitative approach based on secondary data. The study show that environmental costs as the total cost of all estimates required to restore the environment to its original condition is one of the environmental performance indicators related to the general aspects of the GRI standards. The implementation of environmental costs at the mine level is focused on acid mine water management as waste from mining operations. The implementation of environmental costs for the entire mining operations of PTBA is intended for various activities such as reclamation and post-mining activities and PTBA management acknowledges the existence of environmental obligations for reclamation and post-mining as provisions so that it is in accordance with PSAK 57.
ANALISIS BIAYA OPERASIONAL BULLDOZER RIPPING KOMATSUD375 PT BINA SARANA SUKSES SITE PT PRIMA MULIA SARANA SEJAHTERA Maya Matofani; Lina Rianti; Azizah, Azizah
Jurnal Cakrawala Ilmiah Vol. 3 No. 11: Juli 2024
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jcijurnalcakrawalailmiah.v3i11.8172

Abstract

Dalam kegiatan penambangan sangatlah berkaitan dengan biaya untuk mendukung target produksi. Biaya operasional sangatlah berpengaruh terhadap keuntungan atau kerugian perusahaan, sehingga perlu adanya analisis terhadap biaya tersebut. Penelitian ini menganalisis biaya operasional bulldozer ripping Komatsu D375 yang memiliki 2 unit Bulldozer pada kegiatan ripping dengan nomor unit DZ265 dan DZ262 yang bertujuan untuk mengetahui keefektifan produksi dari masing masing unit serta biaya operasional pada kegiatan ripping berlangsung. Proses analisis dilakukan dengan melakukan perhitungan terhadap produktivitas dan biaya operasional (bahan bakar, perbaikan, upah tenaga kerja) serta perhitungan terhadap pendapatan hasil ripping overburden. Maka dari hasil analisis tentang produktivitas, biaya operasional dan pendapatan maka unit yang lebih efektif dan efisien yaitu Bulldozer DZ265 dengan produktivtasnya sebesar 1481.04 Bern/Jam sedangkan Bulldozer DZ262 sebesar 1330.43 Bern/Jam faktor yang mempengaruhi perbedaan produktivitas yang eukup signifikan meliputi luas area ripping, pengawasan, keterampilan operator. Serta pada unit Bulldozer Komatsu DZ262 dibandingkan dengan unit Bulldozer DZ265, memiliki tingkat keefektifan yang lebih unggul dilihat dari 4 indikator yaitu 4 indikator yaitu physical availability, mechanical availability, use of availability dan effective utilization. Hal ini disebabkan oleh jam operasi, jam breakdown serta jam maintenance yang eukup berbanding jauh antara kedua unit tersebut pada bulan Maret 2023. Adapun total biaya operasional dari Bulldozer Komatsu D375 sebesar Rpl.266.916.353 dengan total pendapatan bersih yang telah dilakukan pengurangan dari biaya operasional, maka pada bulan Maret 2023 PT Bina Sarana Sukses mendapat keuntungan dari hasil ripping overburden sebesar Rp37.097.695.647
ANALISA PERHITUNGAN BAHAN BAKAR ALAT ANGKUT OVERBURDEN DARI FRONT PENAMBANGAN KE DISPOSAL AREA DI PT SATRIA MAYANGKARA SEJAHTERA Maya Matofani; Lina Rianti; Eby Arianto
Media Bina Ilmiah Vol. 19 No. 9: April 2025
Publisher : LPSDI Bina Patria

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33758/mbi.v19i9.1222

Abstract

PT Satria Mayangkara Sejahtera (SMS) merupakan perusahaan yang bergerak dibidang pertambangan batubara. Dalam proses penambangannya PT Satria Mayangkara Sejahtera berkerja sama dengan kontraktor, yaitu PT ATB (Anak Tiga Bintang) yang mengelola 1 pit penambangan dengan menggunakan sistem penambangan surface mining yang merupakan tambang terbuka, dimana semua aktivitas penambangan berhubungan dengan udara luar. Pada kegiatan penambangan ini, konsumsi bahan bakar alat mekanis sangat berpengaruh pada proses produksi. Oleh karena itu, bahan bakar harus digunakan seefisien mungkin, agar biaya yang dikeluarkan perusahaan dapat dihemat dan target produksi tercapai. PT Satria Mayangkara Sejahtera pada bulan maret 2023 memiliki harga solar Rp 14.167,- dengan realisasi pemakaian solar untuk 7 unit Dump Truck Mercedez Benz Axor 2528, yaitu 6.705 liter/bulan dengan biaya pemakaian solar setelah dihitung yaitu sebesar Rp 94.989,735,-/bulan. Untuk produktivitas alat angkut pada Bulan Maret 2023 mencapai 185,08 bcm/jam dan 16.633,556 bcm/bulan. Fuel ratio aktual pada bulan Maret 2023 mencapai 2,34 liter/jam.
PERAN KINERJA LINGKUNGAN SEBAGAI VARIABEL MODERASI DALAM HUBUNGAN AKUNTANSI HIJAU DAN KINERJA KEUANGAN Devia Septyani; Maya Matofani
Berajah Journal Vol. 5 No. 12 (2026): Berajah Journal
Publisher : CV. Lafadz Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/bj.v5i12.633

Abstract

This study aims to analyze the effect of green accounting on financial performance and the role of environmental performance as a moderating variable in energy and mining sector companies listed on the LQ45 index. The study used a quantitative approach with secondary data in the form of company annual reports for the 2022–2024 period. Green accounting was measured using the KSCI index, financial performance was proxied by Return on Assets (ROA), and environmental performance was measured using the PROPER rating. Data analysis was performed using linear regression using SPSS 24, accompanied by normality tests, t-tests, and coefficient of determination tests. The results showed that green accounting had a positive and significant effect on financial performance. Environmental performance directly negatively affected financial performance in the short term, indicating environmental compliance costs. However, when environmental performance acted as a moderating variable, the relationship between green accounting and financial performance became stronger, as reflected in an increase in the R-square value of 76.3%. This finding supports stakeholder theory and legitimacy, suggesting that sustainable practices accompanied by good environmental performance can improve the effectiveness of a company's financial performance.
Economic Aspects Evaluation of Agroforestry Implementation in the Framework of Sustainable Development in Indonesia Meidiana Mulya Ningsih; Maya Matofani; Irfianda Wahyu Arianto
Jurnal Simki Economic Vol 8 No 2 (2025): Volume 8 Nomor 2 Tahun 2025
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jse.v8i2.1286

Abstract

The implementation of agroforestry involves the integration of annual staple crops with various types of woody plants (and others) that provide various benefits to their users. This study attempts to evaluate the economic aspects of the implementation of agroforestry within the framework of sustainable development in Indonesia, which includes funding sources and agroforestry financing schemes, as well as the economic and environmental impacts of its implementation. The results of the study indicate that the implementation of agroforestry requires a large initial investment of 5 to 15 million rupiah per hectare. However, operational costs tend to be lower compared to monoculture farming because it allows for more efficient and sustainable land use. The implementation of agroforestry provides long-term economic benefits through increased farmer income and diversification of income sources. The impact on the environment is an efficient use of energy, improving soil quality, reducing carbon emissions, increasing productivity and land market value. The actual income from agroforestry will be felt to be greater than the potential income from carbon trading.
Co-Authors Aisyah Mey Ardiansyah Arianto, Irfianda Wahyu Ayu Srimarta Azizah Azizah Devia Septyani Devia Septyani Devia Septyani Eby Arianto Edwin Harsiga Heriyanto Heriyanto Iranda Septa Pratama Irfianda Wahyu Arianto K.M. Faisal Reza M. Ikbal Aziz Meidiana Mulya Ningsih Ningsih, Meidiana Mulya Pratama, Iranda Septa Rajita Najih Reliza Relasari, Relasari Rianti, Lina Septyani, Devia Siti Mar’atus Soleha Sri Hartati Sri Hartati Sri Hartati Syamsul Falaq Taufiq Taufiq Yoga Yuniadi Zainuddin Fatoni