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Analisa Pengaruh Ukuran Partikel Ore Terhadap Persen Recovery Nikel Laterit dengan Pelarut Asam Sitrat Albar J, Muh Azis; Nuhardin, Irhamni; Ardiansah, Ardiansah
Dewantara Journal of Technology Vol. 4 No. 2 (2023): Dewantara Journal of Technology Volume 4 Nomor 2
Publisher : Akademi Teknologi Industri Dewantara Palopo

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Abstract

Nikel merupakan hasil tambang yang digunakan dalam berbagai industri kimia. Salah satu mineral logam yang memiliki manfaat dan nilai jual yang tinggi adalah nikel. Pada umumnya nikel terbagi menjadi dua jenis yaitu nikel sulfida dan nikel laterit. Pemanfaatan nikel laterit sebagai bahan baku produksi nikel harus dilakukan. Salah satu cara memanfaatkan nikel yang terdapat di wilayah Indonesia agar mempunyai nilai ekonomis yang tinggi maka dilakukan pengolahan mineral dengan proses leaching. Proses leaching dilakukan menggunakan pelarut asam sitrat. Penggunaan asam sitrat pada peneletian ini karena dinilai lebih ramah lingkungan dan kurangnya penggunaan asam sitrat sebagai pelarut pada proses leaching. Terdapat beberapa konsentrasi asam sitrat yang digunakan, yaitu 0,5 M, 1 M, dan 2 M dengan perbandingan 1:5, adapun ukuran partikel yang digunakan yaitu 100 mesh, 150 mesh, dan 200 mesh dengan suhu 80℃ selama 1 jam. Kadar nikel dalam ore sebelum diberi perlakuan sebesar 1,67%. Tujuan dari penelitian ini yaitu untuk mengetahui ukuran partikel sampel ore terhadap persen recovery nikel laterit pada proses leaching. Hasil penelitian ini menunjukkan bahwa pada ukuran partikel 200 mesh yaitu didapatkan persen recovery nikel sebesar 78.29% dan persen recovery nikel ukuran partikel 100 mesh yaitu sebesar 74.45%.
Penyelesaian Polemik Ganti Rugi Sebagai Objek Pajak Atas Putusan Arbitrase Untuk Pembangunan Nasional Ardiansah, Ardiansah; Yetti, Yetti; Onasis, Dini
Al-Risalah Vol 19 No 1 (2019): June 2019
Publisher : Fakultas Syariah UIN Sulthan Thaha Saifuddin Jambi, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/alrisalah.v19i1.146

Abstract

Tulisan ini menganalisis tentang perbedaan persepsi mengenai ganti rugi sebagai objek pajak. Di dalam ketentuan BANI dan KUHPerdata tidak dijelaskan ganti rugi sebagai objek pajak. Sementara di dalam ketentuan IAI dan Dirjen Pajak dijelaskan ganti rugi sebagai objek pajak. Perbedaan persepsi bisa diselesaikan bila ada kesepahaman diantara berbagai lembaga. Bagaimanapun, kepentingan negara harus lebih diutamakan. Dirjen Pajak perlu bekerjasama dengan BANI agar mendapatkan informasi mengenai penyelesaian sengketa bisnis. Seterusnya, Pemerintah perlu membuat aturan khusus mengenai ganti rugi sebagai objek pajak atas putusan arbitrase. Tujuannya untuk memberikan kepastian hukum bagi masyarakat dan menghilangkan keragu-raguan bagi otoritas pajak untuk melakukan penegakan hukum.
The Government Responsibility for Oil and Gas Management Based on Constitution of Indonesia Ardiansah, Ardiansah; Asnawi, Eddy; Fahmi, Sudi; Ismail, Syaimak
Al-Risalah Vol 23 No 2 (2023): December 2023
Publisher : Fakultas Syariah UIN Sulthan Thaha Saifuddin Jambi, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/alrisalah.v23i2.1391

Abstract

On September 3, 2022, fuel prices were raised by President Joko Widodo, with advocates arguing that the increase is necessary to safeguard the State Revenue and Expenditure Budget. Dissenting groups contended the hike was inappropriate, citing a dissonance between the identified problem and the proposed solution. Therefore, this study aims to analyze the legal aspects, policies and the role of the government in ensuring the welfare of Indonesian citizens through oil and gas management. Using a normative legal study methodology, the study used both statutory and analytical methods. The results showed a discrepancy between the increase in fuel price and the principles outlined in Article 33 and the Preamble of the 1945 Constitution of the Republic of Indonesia. The government, as the representative of the state, holds the authority to manage the mining sector's economy, aiming to maximize prosperity for citizens. Adhering to the ideology of a welfare state, the responsibility to provide basic social needs and foster prosperity is assigned to the government.
Implementasi Kewajiban Masyarakat Dalam Mendapatkan Vaksinasi Covid-19 Di Kabupaten Kampar Berdasarkan Peraturan Presiden Nomor 14 Tahun 2021 Winarsi, Sri; Ardiansah, Ardiansah; Fahmi, H. Sudi
Innovative: Journal Of Social Science Research Vol. 4 No. 1 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i1.9579

Abstract

Dalam upaya meningkatkan efektivitas pengadaan vaksin dan pelaksanaan vaksinasi Covid-19, Pemerintah pada tahun 2021 mengubah Peraturan Presiden Nomor 99 Tahun 2020 menjadi Peraturan Presiden Nomor 14 Tahun 2021. Perubahan tersebut dilakukan untuk mengoptimalkan penanggulangan pandemi Corona Virus Disease 2019 (Covid-19). Penelitian hukum sosiologis dengan pendekatan yuridis empiris digunakan untuk menganalisis implementasi peraturan ini. Data primer diperoleh melalui penelitian lapangan dan dianalisis secara kualitatif dengan pendekatan deskriptif analisis. Hasil penelitian menunjukkan bahwa implementasi kewajiban masyarakat untuk mendapatkan vaksinasi Covid-19 di Kabupaten Kampar, sesuai dengan Peraturan Presiden Nomor 14 Tahun 2021, belum berjalan sesuai ketentuan. Persentase partisipasi masyarakat dalam vaksinasi menunjukkan penurunan dari dosis pertama hingga dosis keempat. Kendala dalam implementasi kewajiban masyarakat tersebut berasal dari faktor hukum yang merumuskan kewajiban dan sanksi, kurangnya ketegasan penegakan hukum terhadap pelanggaran, serta keterbatasan sarana dan prasarana penegakan hukum. Selain itu, ketidakmampuan masyarakat dalam memilah informasi, terutama terkait kehalalan dan keamanan vaksin, juga menjadi faktor penghambat. Budaya hukum masyarakat yang masih rendah dalam mentaati hukum turut memperumit implementasi kewajiban vaksinasi Covid-19. Dalam konteks ini, diperlukan langkah-langkah perbaikan dan perkuatan, baik dari segi penegakan hukum maupun peningkatan literasi masyarakat, agar implementasi kewajiban vaksinasi dapat berjalan lebih efektif dan sesuai dengan tujuan pemerintah dalam mengendalikan penyebaran Covid-19.
Adaptasi dan Inovasi dalam Manajemen Inventori Pada E-Commerce Lazada Ardiansah, Ardiansah; Razak, Abdur; Harto, Budi Harto
Innovative: Journal Of Social Science Research Vol. 4 No. 3 (2024): Innovative: Journal Of Social Science Research (Special Issue)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i3.11305

Abstract

Dalam era digital saat ini, manajemen inventori di e-commerce, terutama di Lazada Indonesia, mengalami transformasi signifikan untuk tetap kompetitif dalam menghadapi tantangan besar seperti fluktuasi permintaan dan ketidakpastian pasokan. Kesulitan dalam mengelola inventori secara efektif dapat berdampak negatif terhadap ketersediaan produk dan efisiensi biaya operasional, sehingga perlu adanya strategi manajemen inventori yang adaptif dan inovatif. Penelitian ini menggunakan metode kualitatif deskriptif analitis untuk menggali implementasi strategi adaptasi dan inovasi dalam manajemen inventori oleh Lazada Indonesia, melibatkan observasi langsung, wawancara mendalam, dan studi lapangan. Hasil penelitian menunjukkan bahwa integrasi teknologi prediktif dan analisis data besar telah berhasil mengurangi biaya operasional dan meningkatkan kepuasan pelanggan, dengan kolaborasi antardepartemen yang erat sebagai faktor kunci dalam implementasi strategi yang sukses. Implikasi dari temuan ini menekankan pentingnya integrasi teknologi dalam manajemen inventori untuk menghadapi dinamika pasar yang cepat berubah, sambil memastikan investasi dalam pengembangan sumber daya manusia.
Kepemimpinan Kepala Madrasah Dalam Peningkatan Profesionalisme Guru Di MTs Sunan Gunung Jati Gurah Kediri Ardiansah, Ardiansah; Adi Wijono, Hani
Irsyaduna: Jurnal Studi Kemahasiswaaan Vol. 2 No. 1 (2022): April
Publisher : LP3M STIT Al Urwatul Wutsqo Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54437/irsyaduna.v2i1.420

Abstract

The purpose of this study (1) to describe the professionalism of teachers at MTs Sunan Gunung Jati Gurah Kediri. (2) Describe the strategy of the Head of Madrasah in increasing teacher professionalism at MTs Sunan Gunung Jati Kediri. (3) Describe the factors supporting and inhibiting the leadership of the Madrasah Head in increasing teacher professionalism at MTs Sunan Gunung Jati Gurah Kediri. This research approach uses qualitative methods, namely observations, interviews, and document review. And the results of this study are (1) the professionalism of teachers at MTs Sunan Gunung Jati Gurah Kediri, including; there is a high commitment and sense of responsibility, mastery of the material to be taught, and implementing the existing code of ethics. (2) The strategy of the Head of Madrasah in increasing teacher professionalism at MTs Sunan Gunung Jati Gurah Kediri, including; the existence of teacher selection, teacher performance coaching, supervision of teacher performance, coaching education staff discipline, and providing motivation. (3) Factors supporting and inhibiting the leadership of the Madrasah Head in increasing teacher professionalism at MTs Sunan Gunung Jati Gurah Kediri, including; the supporting factors are the cohesiveness, and the teacher's awareness of the mandate carried. As for the inhibiting factors, the first is the limitation of the Head of Madrasah in nurturing teachers, especially those who are older than him. And the last is the limited facilities and infrastructure that are not yet adequate.
A Study on The Effectiveness of Bentonite Adsorbent in Reducing Pb Metal Levels in Used Lubricating Oil Satoding, Gain Allegra; Ardiansah, Ardiansah; Albar J, Muh. Azis; Sumbung, Jony
Jurnal Sains dan Teknik Terapan Vol. 2 No. 1 (2024): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

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Abstract

Used lubricating oil contains contaminants that can pollute the environment if not managed properly. One of the contaminants contained in it is heavy metals. Adsorption using adsorbent materials such as bentonite has become one of the commonly used methods for removing contaminants in used lubricating oil. Bentonite is a clay that is good for use as an adsorbent for heavy metals because it has large enough particles that are good for absorbing them. However, the effectiveness of bentonite adsorption can be influenced by the mass of bentonite used in the process. This research aims to determine the effectiveness of the influence of bentonite mass on reducing Pb metal in lubricating oil using HCl-activated bentonite. The research results show that increasing the mass addition of bentonite can increase the effectiveness of adsorption and the removal efficiency of Pb metal in used lubricating oil. This is characterized by a decrease in Pb metal content in used lubricating oil before and after the adsorption process, namely in sample A with the addition of 2 grams. The Pb metal content in used lubricating oil is 0.2471 ppm, 4 grams is 0.2000 ppm, 6 grams is 0.142 ppm, at 8 it was 0.0895 ppm, and at 10 grams it was 0.0316 ppm. In sample B, with the addition of 2 grams, the metal content of Pb in the used lubricating oil was 0.3000 ppm, 4 grams was 0.2474 ppm, 6 grams was 0.2053 ppm, 8 grams was 0.1474 ppm, and 10 grams was 0.0684 ppm.
RANCANG BANGUN APLIKASI LOKAPASAR JASA PERCETAKAN DENGAN DETEKSI WARNA HALAMAN Ardiansah, Ardiansah; Habibie, Ilham Maulana; Wong, Ng Poi; Andri, Andri
JTIK (Jurnal Teknik Informatika Kaputama) Vol. 7 No. 1 (2023): Volume 7, Nomor 1, Januari 2023
Publisher : STMIK KAPUTAMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59697/jtik.v7i1.51

Abstract

Mencetak melalui jasa percetakan ditujukan bagi masyarakat yang ingin mencetak dokumen tetapi tidak memiliki printer sendiri. Mencetak melalui jasa percetakan memiliki kendala yang menyebabkan proses pencetakan dokumen memakan waktu yang cukup lama, yakni penentuan jumlah halaman berwarna secara manual oleh pihak percetakan, penentuan besaran biaya pencetakan yang harus dikeluarkan tidak sesuai dengan kehendak konsumen, dikarenakan konsumen tidak mendapatkan transparansi dari penentuan jumlah halaman berwarna yang dilakukan oleh pihak percetakan. Oleh karena itu, dikembangkan aplikasi lokapasar jasa percetakan yang memberikan kemudahan mencetak dokumen secara cepat dan efisien. Aplikasi tersebut juga memiliki fitur deteksi warna halaman sehingga konsumen mendapatkan transparansi penentuan jumlah halaman berwarna dan hitam-putih. Hasil pengujian keberhasilan deteksi warna halaman diperoleh jumlah halaman berwarna yang diharapkan, sehingga proses pencetakan menjadi lebih cepat karena penentuan jenis halaman kertas dilakukan secara otomatis oleh fitur deteksi warna halaman.
The Effectiveness of Artificial Intelligence-Assisted Learning Stations for Differentiated Learning Based on Students' Learning Styles Rullyana, Gema; Ardiansah, Ardiansah
Cetta: Jurnal Ilmu Pendidikan Vol 9 No 1 (2026)
Publisher : Jayapangus Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37329/cetta.v9i1.4824

Abstract

The integration of learning stations in higher education continues to face challenges in effectively addressing diverse student learning styles. Although differentiated instruction offers substantial promise, its implementation is often hindered by limited resources and the complexity of delivering personalized learning experiences at scale. This study explores the effectiveness of artificial intelligence (AI)-enhanced learning stations in supporting differentiated instruction aligned with individual learning preferences. Using a mixed-methods explanatory design, the research involved 82 students from an Educational Technology Study Program, divided into an experimental group (utilizing AI-supported learning stations) and a control group (traditional stations without AI). Data collection methods included pre- and post-tests, structured observations, VARK learning style inventories, and semi-structured interviews. Quantitative results indicated statistically significant improvements in learning outcomes for the experimental group, reflected in higher post-test scores and greater normalized gains. T-test and ANOVA analyses confirmed the intervention’s overall effectiveness, with no significant variation in learning gains across learning style categories within the experimental group. Qualitative findings supported these outcomes, with participants reporting that the AI-assisted environment fostered more personalized, relevant, and reflective learning experiences. Moreover, the integration of AI was associated with increased learner engagement, heightened motivation, and improved metacognitive awareness of learning preferences. This study contributes empirical evidence supporting the role of AI in enabling differentiated instruction within higher education contexts, highlighting its potential to provide scalable, personalized learning experiences. The findings suggest that AI-driven solutions may address key limitations in traditional instructional design by offering inclusive and adaptive strategies responsive to individual learner needs.
Penyuluhan Hukum Pencegahan Tindak Pidana Narkotika pada Karang Taruna Desa Purwasari, Kuningan Andri Hendriawan; Ardiansah, Ardiansah; Bilal Abdurrahman; Ganjar Sapta Bayu Perkasa; Ikbal Maolana; Tedi Setiadi; Rifky Sunandi; Suwari Akhmaddhian; Yuhandra, Erga
Empowerment : Jurnal Pengabdian Masyarakat Vol. 8 No. 02 (2025): Empowerment
Publisher : Program Studi Ilmu Hukum Fakultas Hukum Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/empowerment.v8i02.8494

Abstract

Teenagers are the future generation of a nation whose mindset and social association must be protected and guided. They can threaten the future of a nation when they are not well directed anymore. Nowadays, teenagers are threatened by drug abuse, an addictive thing which influences immune system, emotion, mindset, and reason. Teenage drug abusers could be increased in annually, therefore an understanding of what lies behind it is needed. One of several factors believed to be the background of drug abused by teenagers is psychological well-being. Based on these problems, legal guidance and legal counseling among adolescents need to be carried out so that adolescents can better understand and have deterrence against drugs. The approach method used in this dedication activity to the community is in the form of legal counseling about preventing drug abuse and a participatory approach, meaning that participants are required to be active in participating throughout the activity.