Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Johny Wahyuadi Soedarsono"'
Publikováno v:
Invotek: Jurnal Inovasi Vokasional dan Teknologi, Vol 23, Iss 3, Pp 187-198 (2024)
Wide application in the oil and gas industry made carbon steel suffer annual losses due to corrosion. The corrosion protection utilizes inhibitor have drawbacks expensive and harmful to the environment. Potato peel extract (solanum tuberosum L) and i
Externí odkaz:
https://doaj.org/article/079c0e840dbf4905aba1b042c9f3bcaf
Autor:
Agus Paul Setiawan Kaban, Johny Wahyuadi Soedarsono, Mochammad Syaiful Anwar, Wahyu Mayangsari, Ahmad Maksum, Aga Ridhova, Rini Riastuti, Dedy Iskandar, Ayende
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30541- (2024)
The study reports the development of a liquid smoke solution of rice husk ash (RHA) as a green corrosion inhibitor in NH4Cl solution in approaching corrosion protection for refinery facilities. The recent utilization of RHA has a partial solution to
Externí odkaz:
https://doaj.org/article/523b5467248344dc85bb9c91bf30c1fe
Integrating the root cause analysis to machine learning interpretation for predicting future failure
Autor:
Taufik Aditiyawarman, Johny Wahyuadi Soedarsono, Agus Paul Setiawan Kaban, Suryadi, Haryo Rahmadani, Rini Riastuti
Publikováno v:
Heliyon, Vol 9, Iss 6, Pp e16946- (2023)
The research proposes a new model for evaluating offshore pipelines due to corrosion. The existing inspection method has an inherent limitation in reusing the primary root cause analysis data to forecast the potential loss and corrosion mitigation, p
Externí odkaz:
https://doaj.org/article/7b6be7d0e04e4416978631085f029d46
Autor:
Amun Amri, Revika Wulandari, Selsa Idillah, Sunarno, Sulistyo Saputro, Harnedi Maizir, Johny Wahyuadi Soedarsono
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 44, Iss 2, Pp 381-387 (2022)
Physicomechanical properties of lightweight geopolymer (LG) mortar with added graphene have been investigated. The motivation was to expand the geopolymer applications as building wall materials. LGs were prepared via pre-foaming method by mixing f
Externí odkaz:
https://doaj.org/article/759f163723a64655ad5d9ed120509263
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 7, Pp 236-243 (2021)
Sorption of a series of alkali metals (Ca, Mg, Li, and K) from Bledug Kuwu’s Brine into Lewatit MonoPlus S-108 resins has been studied. Bledug Kuwu’s Brine comprised 15.11 ppm Li, 179.91 ppm K, 72.01 ppm Ca, and 29.76 ppm Mg. The adsorption was c
Externí odkaz:
https://doaj.org/article/e45b543aec5d4a328ff4feb72cf4a08a
Autor:
Kurnia Trinopiawan, Venny Nur Avifa, Yarianto Sugeng Budi Susilo, Ersina Rakhma, Yayat Iman Supriyatna, Iwan Susanto, Sulaksana Permana, Johny Wahyuadi Soedarsono
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 41, Iss 1, Pp 37-44 (2020)
Monazite mineral as associated mineral of tin mining in Bangka Belitung Islands contains light rare earth elements like Cerium (Ce), Lanthanum (La), and Neodymium (Nd). The objective of this study is to obtain the concentrates of rare earth carbonate
Externí odkaz:
https://doaj.org/article/3817da6230a7479192444d65bbd48e85
Publikováno v:
International Journal of Technology, Vol 8, Iss 8, Pp 1479-1488 (2017)
Nanoporous anodic aluminum oxide (AAO) layers were successfully fabricated on aluminum foil through an anodizing process in oxalic acid and mixed electrolytes of sulfuric and oxalic acid. The effect of electrolyte resistivity on the morphology of nan
Externí odkaz:
https://doaj.org/article/07bb19389c454307a5c7836bde127d97
Publikováno v:
Agrointek, Vol 6, Iss 1, Pp 16-21 (2016)
Patchoulioilis one of thevolatile oilcommodityIndonesia. Development of patchouli oil industry not only improves the welfare of agroindustry entrepreneurs, but also will improve the welfare of patchouli plant growers. The purpose of this research is
Externí odkaz:
https://doaj.org/article/af9110cec31a4d46877ce1ead44c7292
Publikováno v:
International Journal of Technology, Vol 7, Iss 3, Pp 374-382 (2016)
In producing Thin Wall Ductile Iron (TWDI) plate, special notice should be taken on the skin effect formation. Skin effect is a rim of flake interdendritic graphite formed in the surface. In a normal ductile iron casting, skin effect can be remove
Externí odkaz:
https://doaj.org/article/c33f160a143d48d9886fd5b442023fa8
Publikováno v:
International Journal of Technology, Vol 6, Iss 7, Pp 1191-1197 (2015)
The anodizing process was conducted in an Al7xxx aluminum alloy with silicon carbide which yielded a non-uniform thickness of anodic film with cavities, micro-pores and micro-cracks within it. This phenomenon occurred due to the presence of Silico
Externí odkaz:
https://doaj.org/article/5164bb2c7c9e4482a865cf54626bdefe