Zobrazeno 1 - 10
of 680
pro vyhledávání: '"MARDIYANTO"'
Autor:
Amri Amri, Nur Ahmad, Sahrul Wibiyan, Alfan Wijaya, Mardiyanto Mardiyanto, Idha Royani, Risfidian Mohadi, Aldes Lesbani
Publikováno v:
Indonesian Journal of Chemistry, Vol 24, Iss 4, Pp 1011-1022 (2024)
The growth of heavy industry leads to an increase in sulfur dioxide emissions, impacting health, economy, and the fulfilment of the ecological needs for society. Sulfur removal is carried out using the oxidative desulfurization (ODS) method. In this
Externí odkaz:
https://doaj.org/article/cb18498e83ec4f358956fef05efe9af7
Publikováno v:
International Journal of Technology, Vol 15, Iss 3, Pp 608-617 (2024)
Nuclear reactor fuel is the basic component of all safety requirements associated with nuclear energy production. The neutronic characteristics of light water reactors with candidate accident-tolerant fuel cladding materials were investigated in t
Externí odkaz:
https://doaj.org/article/5101063da7c54613a778d77689c6f008
Autor:
Parikin Farihin, Bambang Suharno, Mohammad Dani, I Wayan Ngarayana, Andryansyah, Ferhat Aziz, Mardiyanto Panitra, Rai Indra Wardana, Damar Rastri Adhika, Ching An Huang
Publikováno v:
Journal of Applied Science and Engineering, Vol 28, Iss 6, Pp 1377-1384 (2024)
This study investigates the mechanical characteristics of 56 Fe 16 Cr 25 Ni austenitic stainless steel (ASS) that were annealed/quenched with air, water, and oil cooling media. Hardness (Vickers test), tensile (ASTM E8M-04), and Charpy impact (ASTM
Externí odkaz:
https://doaj.org/article/1e2bebbeed014790ae2682864875a1ec
Autor:
Nur Ahmad, Rohmatullaili Rohmatullaili, Yulizah Hanifah, Sahrul Wibiyan, Amri Amri, Alfan Wijaya, Mardiyanto Mardiyanto, Risfidian Mohadi, Idha Royani, Aldes Lesbani
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 4, Pp 548-558 (2023)
The desulfurization of oil must be resolved as soon as possible due to a variety of issues, including environmental contamination and protection regulations. It was believed that oxidative desulfurization (ODS) was the most promising method. In this
Externí odkaz:
https://doaj.org/article/0c8b738e59be44dd9ae4ef648d910346
Autor:
Yulizah Hanifah, Risfidian Mohadi, Mardiyanto Mardiyanto, Nur Ahmad, Suheryanto Suheryanto, Aldes Lesbani
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 2, Pp 210-221 (2023)
The synthesis and characterization of M2+/Al (M2+=Ni, Mg) layered double hydroxide (LDH) and intercalated polyoxometalate is presented. We have reported the growth of polyoxometalate on Ni/Mg layered double hydroxide for degradation methylene blue (M
Externí odkaz:
https://doaj.org/article/1c9654126a7b4180a8a726f3e85359e0
Autor:
Risfidian Mohadi, Yusuf Mathiinul Hakim, Rahma Dinta Astuti, Idha Royani, Mardiyanto Mardiyanto
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 1, Pp 48-58 (2023)
In this work, the Sumatera bentonite was sodium-pillarized in a new low-temperature and restricted time preparation route and then applied in anionic surfactant sodium lauryl sulphate removal. Structure characterization used Fourier Transform Infra R
Externí odkaz:
https://doaj.org/article/0c2af9cd9a3a467ba24cc8375de8f9d4
Autor:
Nur Ahmad, Erni Salasia Fitri, Afan Wijaya, Amri Amri, Mardiyanto Mardiyanto, Idha Royani, Aldes Lesbani
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 17, Iss 4, Pp 733-742 (2022)
In this study, the Zn/Al-TiO2 and Zn/Al-ZnO was successfully synthesized. The catalysts were characterized by X-ray Diffraction (XRD), Fourier Transform Infra Red (FTIR), and Scanning Electron Microscope—Energy Dispersive X-ray Spectroscopy (SEM-ED
Externí odkaz:
https://doaj.org/article/61e6a31e2903499eb5a8496702669b30
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 17, Iss 3, Pp 627-637 (2022)
Composites based on layered double hydroxide with polyoxometalate K3[-PW12O40] and K4[-SiW12O40] were synthesized to form NiAl-[SiW12O40] and NiAl-[PW12O40]. The materials were characterized by XRD, FTIR, SEM, and UV-DRS and were then applied a
Externí odkaz:
https://doaj.org/article/f7d82f0def334998a2a40f818ffbc173
Publikováno v:
Majalah Obat Tradisional, Vol 27, Iss 1, Pp 69-76 (2022)
Pegagan is a plant that plays an important role in health because of its secondary metabolite. However, many secondary metabolites tend to be unstable when exposed to UV light and oxygen such as flavonoid and terpenoid. The purpose of this study was
Externí odkaz:
https://doaj.org/article/acde10938d7e4bccb51e21703d918575
Autor:
Neza Rahayu Palapa, Arini Fousty Badri, Mardiyanto, Risfidian Mohadi, Tarmizi Taher, Aldes Lesbani
Publikováno v:
Communications in Science and Technology, Vol 7, Iss 1, Pp 91-97 (2022)
Mg/Cr layered double hydroxide (LDH) was prepared and modified using an intercalation of oxalate anions ((COO)22-) to form Mg/Cr-(COO)22. The materials were then investigated to malachite green removal to determine the adsorption ability. Furthermore
Externí odkaz:
https://doaj.org/article/2c86143b5b1e49518579134a79e9ed57