Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Wirawan, Ciptonugroho"'
Autor:
Eva Oktavia Ningrum, Agung Subyakto, Wirawan Ciptonugroho, Shania Lorensa, Devianti Anggraini Ramadhani, Agus Surono
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 1, Pp 33-43 (2023)
Despite the widespread use of ionic polymer flocculants in sugar refineries, there is still insufficient knowledge on the relationship between the polymer properties and the efficiency of flocculation. This paper describes the performance of poly(sod
Externí odkaz:
https://doaj.org/article/ff7fc6355c4944ab8b971e11c12131b9
Publikováno v:
Chemical Papers. 77:3769-3778
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3682da8618cbcba4be517c74650c6036
https://doi.org/10.1007/s11696-023-02739-x
https://doi.org/10.1007/s11696-023-02739-x
Autor:
Eva Oktavia Ningrum, Takehiko Gotoh, Wirawan Ciptonugroho, Achmad Dwitama Karisma, Elly Agustiani, Zela Marni Safitri, Muhammad Asyam Dzaky
Publikováno v:
Gels, Vol 7, Iss 4, p 273 (2021)
Zwitterionic betaine polymers are promising adsorbents for the removal of heavy metal ions from industrial effluents. Although the presence of both negative and positively charged groups imparts them the ability to simultaneously remove cations and a
Externí odkaz:
https://doaj.org/article/df50a00ee7d6488eaf08b8bb8a01b9dc
Autor:
Eva Oktavia, Ningrum, Takehiko, Gotoh, Wirawan, Ciptonugroho, Achmad Dwitama, Karisma, Elly, Agustiani, Zela Marni, Safitri, Muhammad Asyam, Dzaky
Publikováno v:
Gels
Zwitterionic betaine polymers are promising adsorbents for the removal of heavy metal ions from industrial effluents. Although the presence of both negative and positively charged groups imparts them the ability to simultaneously remove cations and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::339013c4f7e229621dcf585dd4be1daf
https://pubmed.ncbi.nlm.nih.gov/34940333
https://pubmed.ncbi.nlm.nih.gov/34940333
Publikováno v:
Journal of Catalysis. 340:17-29
WOx/mesoporous-ZrO2 (WmZr) has been successfully prepared by one-pot evaporation induced self-assembly. The resulting textural properties are highly affected by the additions of WO3 and calcination temperatures. XRD and Raman spectroscopy were used t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba3e5fe22f07e304f56b717e28f8c518
https://doi.org/10.1016/j.jcat.2016.05.001
https://doi.org/10.1016/j.jcat.2016.05.001
Autor:
Mohammad G. Al-Shaal, Hrishikesh Joshi, Dong Gu, Wirawan Ciptonugroho, Ferdi Schüth, Christian M. Pichler
Publikováno v:
ChemSusChem. 11(13)
Several ZrO2 -supported ruthenium catalysts were prepared and utilized in the oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) under base-free conditions. Full conversion of HMF and almost perfect selectivity towards FD
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41c1b7b6cf270a9cec4ed50144556c45
https://pubmed.ncbi.nlm.nih.gov/29761659
https://pubmed.ncbi.nlm.nih.gov/29761659
Autor:
Kinga Góra-Marek, Wirawan Ciptonugroho, Magdalena Jabłońska, Mohammad G. Al-Shaal, Regina Palkovits
Mesoporous TiO2 was prepared by evaporation induced self-assembly (EISA) and used as a support for silver with loadings of 1.5 or 10 wt%, respectively. Silver deposited on commercial TiO2 (anatase) and γ-Al2O3 served as reference catalysts. The meso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::681f104419f490b93bab13ae3e529378
https://ruj.uj.edu.pl/xmlui/handle/item/46667
https://ruj.uj.edu.pl/xmlui/handle/item/46667
Autor:
Regina Palkovits, Wirawan Ciptonugroho, Xiaohu Yi, Mohammad G. Al-Shaal, Xiaohong Wang, Irina Delidovich
Publikováno v:
ChemSusChem. 10(7)
A series of choline (Ch)-exchanged heteropoly acids (HOCH2 CH2 N(CH3 )3 )x H(6-x) P2 W18 O62 [abbreviated as Chx H(6-x) P2 W18 O62 , x=1-6] was synthesized and used as catalysts for the reaction of α-angelica lactone (alpha-AL) with n-butanol to for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4671cfd64b09c2455a51dd61813ff9e7
https://pubmed.ncbi.nlm.nih.gov/28093888
https://pubmed.ncbi.nlm.nih.gov/28093888
Autor:
Wirawan Ciptonugroho, Joel B. Mensah, Peter J. C. Hausoul, Regina Palkovits, Mohammad G. Al-Shaal, Fabian Joschka Holzhäuser
Publikováno v:
Catalysis Science & Technology
Catalysis science & technology 5(12), 5168-5173 (2015). doi:10.1039/C5CY00446B
Catalysis science & technology 5(12), 5168-5173 (2015). doi:10.1039/C5CY00446B
Butyl levulinate was prepared starting from α-angelica lactone and butanol over Amberlyst® 36. Different reaction conditions were optimized, which resulted in full conversion and 94% selectivity toward the ester at 75 °C. A reaction network analys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37c7716a34a058e94a4c867a7e4518cc
https://hdl.handle.net/11858/00-001M-0000-002C-8632-4
https://hdl.handle.net/11858/00-001M-0000-002C-8632-4
Autor:
Wirawan Ciptonugroho, 席維倫
97
Single crystalline silicon nanowires have been synthesized using electroless metal deposition method on a p-type silicon wafer (100) in AgNO3/HF solutions. The orthogonal structure has been confirmed by SEM. XRD analysis exhibits one highly d
Single crystalline silicon nanowires have been synthesized using electroless metal deposition method on a p-type silicon wafer (100) in AgNO3/HF solutions. The orthogonal structure has been confirmed by SEM. XRD analysis exhibits one highly d
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/04160596816995897199