Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Agus Budi Prasetyo"'
Autor:
Desinta Dwi Ristiana, Murni Handayani, Muhammad Aulia Anggoro, Bambang Wisnu Widagdo, Ellysa Angelina, Hadi Sutanto, Isa Anshori, Eni Febriana, Florentinus Firdiyono, Eko Sulistiyono, Agus Budi Prasetyo, Lusiana, I Nyoman Gede Putrayasa Astawa
Publikováno v:
South African Journal of Chemical Engineering, Vol 48, Iss , Pp 130-137 (2024)
In this study, a composite of reduced graphene oxide and nano-silica (rGO/n-SiO2) was synthesized via the hydrothermal method, which is a facile technique and green reduction method. Nano-size silica provided a high surface area and more surface-acti
Externí odkaz:
https://doaj.org/article/cc3ef369fd4b437abfd1512455705acd
Autor:
Eni Febriana, Wahyu Mayangsari, Sigit Dwi Yudanto, Eko Sulistiyono, Murni Handayani, Florentinus Firdiyono, Ahmad Maksum, Agus Budi Prasetyo, J.W. Soedarsono
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100656- (2024)
In this research, sodium silicate solution was synthesized by reacting silica from inorganic materials with NaOH. The determination of the amount of NaOH used in the reaction is calculated by considering the quantity of the crystalline (quartz) and a
Externí odkaz:
https://doaj.org/article/5835233b9352489795c5ee4891e366d6
Autor:
Ahmad Fauzi, Latifa Hanum Lalasari, Nofrijon Sofyan, Donanta Dhaneswara, Florentinus Firdiyono, Iwan Setiawan, Eko Sulistiyono, Agus Budi Prasetyo, Akhmad Herman Yuwono
Publikováno v:
Materials Science for Energy Technologies, Vol 7, Iss , Pp 216-227 (2024)
The semiconductor oxide material titanium dioxide (TiO2) has a number of strategic uses, such as an antimicrobial, self-cleaning, photocatalyst, and dye-sensitized solar cell (DSSC). Despite the fact that his substance is naturally obtained from the
Externí odkaz:
https://doaj.org/article/1f4d9180544948d3ae8b03cc4d494e85
Autor:
Agus Budi Prasetyo, Mujidin Mujidin
Publikováno v:
Jurnal Penelitian Pendidikan, Psikologi dan Kesehatan, Vol 4, Iss 3, Pp 391-400 (2023)
Tujuan penelitian ini adalah untuk mengetahui peran Persepsi Pendidik pada E-Learning dan Penerapan E-Learning Terhadap Kinerja Pendidik Di Universitas ‘Aisyiyah Yogyakarta. Penelitian ini menggunakan pendekatan kuantitatif dengan metode korelasion
Externí odkaz:
https://doaj.org/article/c8c92d20fed84bebab012bdea5bffc66
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 15, Iss 2, Pp 501-513 (2020)
The aim of the reduction process is to concentrate nickel at high temperatures with a certain carbonaceous material as a reducing agent. The use of chemicals like Na2SO4 and NaCl in the reduction process can increase the content and recovery of nicke
Externí odkaz:
https://doaj.org/article/4df5580c0c0147129ee7967f92274bb0
Autor:
Eni Febriana, Agus Budi Prasetyo, Wahyu Mayangsari, Januar Irawan, Muhammad Ikhwanul Hakim, Tiffany Ary Prakasa, Andinnie Juniarsih, Ariyo Suharyanto, Iwan Setiawan, Rudi Subagja
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 23, Iss 1, Pp 14-20 (2020)
This research studied the effect of the addition of sulfur on the reduction process of limonite nickel laterite ore with Ni content of 1.11wt% and Fe 48.7wt%. The stages of the research included the characterization of ore materials, preparation, mix
Externí odkaz:
https://doaj.org/article/7069e319784c4abca04c7c8050c79737
The Development of Graphene/Silica Hybrid Composites: A Review for Their Applications and Challenges
Autor:
Murni Handayani, Nurin Nafi’ah, Adityo Nugroho, Amaliya Rasyida, Agus Budi Prasetyo, Eni Febriana, Eko Sulistiyono, Florentinus Firdiyono
Publikováno v:
Crystals, Vol 11, Iss 11, p 1337 (2021)
Graphene and silica are two materials that have wide uses and applications because of their unique properties. Graphene/silica hybrid composite, which is a combination of the two, has the good properties of a combination of graphene and silica while
Externí odkaz:
https://doaj.org/article/89fd68741bed4037a28e4749fe68c135
Publikováno v:
Evergreen. 9:519-523
Nickel is the main alloying element of stainless steel. Along with the increasing demand for stainless steel, the demand for nickel will also increase. Currently, the Indonesian government plans to add several smelters. Along with the increase in the
Autor:
Eko Sulistiyono, Murni Handayani, Agus Budi Prasetyo, Januar Irawan, Eni Febriana, Florentinus Firdiyono, Erlina Yustanti, Safetyana Nazaretha Sembiring, Firdaus Nugroho, Ersan Yudhapratama Muslih
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 3, Iss 6 (111), Pp 32-40 (2021)
Indonesia has very abundant reserves of silica, but progressive studies on the deposition of this material are very few, resulting in limited applications of silica. This work refers to the purification of silica from quartz sand originated from Suka
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 15, Iss 2, Pp 501-513 (2020)
The aim of the reduction process is to concentrate nickel at high temperatures with a certain carbonaceous material as a reducing agent. The use of chemicals like Na2SO4 and NaCl in the reduction process can increase the content and recovery of nicke