Ditemukan 64 dokumen yang sesuai dengan query
Muhammad Miftahurrahman, author
Pengolahan bijih nikel laterit dengan metode pirometalurgi memerlukan suhu dan energi tinggi yang menyebabkan biaya proses mahal. Salah satu metode pengoptimalan temperatur reduksi bijih nikel adalah reduksi selektif dengan penambahan aditif sulfur atau sulfat dan reduktor batu bara antrasit dengan kandungan sulfur alami untuk mendorong pembentukan besi sulfida yang dapat...
Depok: Fakultas Teknik Universitas Indonesia, 2020
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UI - Skripsi Membership Universitas Indonesia Library
Ghifari Ghani Santoso, author
Indonesia mempunyai cadangan nikel terbesar di dunia, yang merupakan jenis bijih nikel laterit. Bijih nikel laterit merupakan sumber daya utama yang ada di alam. Akan tetapi, pengolahan bijih nikel laterit kadar rendah dianggap tidak menguntungkan karena proses peleburan/smelting dengan temperatur tinggi untuk menghasilkan feronikel memerlukan konsumsi energi/biaya yang tinggi. Metode...
Depok: Fakultas Teknik Universitas Indonesia, 2021
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Sungging Hidayat, author
Pemilihan proses Tail Gas Treatment yang tepat dan efisien menjadi permasalahan bagi pabrik pengolahan gas alam. Superclaus, salah satu proses sulfur recovery, menjawab permasalahan tersebut dengan mengeliminasi proses Tail Gas Treatment pada skema SRU konvensional. Input proses Superclaus adalah acid gas 2,54 MMSCFD dengan kandungan hidrogen sulfida mencapai 41% berhasil...
Depok: Fakultas Teknik Universitas Indonesia, 2012
S43617
UI - Skripsi Open Universitas Indonesia Library
This volume covers various aspects of the regulation of sulfate uptake and assimilation in plants, from a cellular to a whole plant level, and additionally emphasizes interactions with other minerals. Moreover the significance of sulfur metabolism in biotic and abiotic stress responses, in food security and quality, and in relation...
Dordrecht: Springer, 2012
e20417360
eBooks Universitas Indonesia Library
The improvement in society's income will affect their life style and increase their demand for energy. Fossil fuel, being the main source of energy, emits some gases to the ambience, one of them is sulfur oxide gas. The aim of this research is to estimate the value of...
Artikel Jurnal Universitas Indonesia Library
Agglomeratian method could be used to decrease the pyritic sulfur content in the coal. Bituminous
coal from Tanjung Enim Sumatera Seiatan with 13.34 % of ash and 1,86 % of sulfur contents as raw
materials, were mired by water and oil in the stainless steel cylinder, then be agitated to produce
agglomerate. By...
Jurnal Teknologi, 20 (4) Desember 2006 : 279-286, 2006
JUTE-20-4-Des2006-279
Artikel Jurnal Universitas Indonesia Library
Badrul Bunir, author
The growth and crystallization processes of the Cu2ZnSnS4 (CZTS) phase typically rely on high-temperature sulfurization, which involves a harmful chalcogen-containing atmosphere. Together with the use of high-toxicity solvents, these processes could hinder the widespread adoption of this technology in the mass production of CZTS semiconductors for solar cell application. Thus,...
2016
AJ-Pdf
Artikel Jurnal Universitas Indonesia Library
Elvi Sunarsih, author
ABSTRACT
Nitrogen dioxide (NO2), sulfur dioxide (SO2), particulate matter (PM10), and total suspended particulate (TSP) are the most common and harmful air pollutants to humans. In a short period, air pollution exposure at 5 ppm for 10 minutes in humans causes dyspnea, and when the level is increased to 800 ppm...
Depok: Universitas Indonesia, 2019
613 KESMAS 13:4 (2019)
Artikel Jurnal Universitas Indonesia Library
Ersan Yudhapratama Muslih, author
The growth and crystallization processes of the Cu2ZnSnS4 (CZTS) phase typically rely on high-temperature sulfurization, which involves a harmful chalcogen-containing atmosphere. Together with the use of high-toxicity solvents, these processes could hinder the widespread adoption of this technology in the mass production of CZTS semiconductors for solar cell application. Thus,...
Depok: Faculty of Engineering, Universitas Indonesia, 2017
UI-IJTECH 7:8 (2016)
Artikel Jurnal Universitas Indonesia Library
Deana Zhafira Fatihani, author
Batubara pada site Gurimbang PT Berau Coal Kecamatan Sambaliung, Kabupaten Berau, Kalimantan Timur dianalisis berdasarkan pengamatan makroskopis, metode analisis petrografi organik dan analisis nilai sulfur untuk mendapatkan karakteristik dan peringkat batubaranya. Berdasarkan hasil analisis pengamatan makroskopis, dapat diketahui bahwa seam K, KU, KL memiliki ciri berwarna hitam kecokelatan dengan cerat...
Depok: Fakultas Matematika Dan Ilmu Pengetahuan Alam Universitas Indonesia, 2023
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