Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Sri Kadarwati"'
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 19, Iss 1, Pp 47-60 (2024)
The properties and activity of TiO2-based nanorods as an antifouling agent and a photocatalyst for the catalytic degradation of methylene blue (MB) have been investigated. A modification of TiO2 with SiO2 was first carried out to enlarge the surface
Externí odkaz:
https://doaj.org/article/a53692b176b249958c790f2219a6545f
Publikováno v:
Al-Ishlah: Jurnal Pendidikan, Vol 14, Iss 4, Pp 5051-5060 (2022)
The highest level of the cognitive process hierarchy is Higher-Order Thinking Skill (HOTS). HOTS allows students to solve challenges, but time for processing is limited. Based on the findings in the field, many students do not have the skills related
Externí odkaz:
https://doaj.org/article/a25356eb1b084929ad4cb36a001c7dc5
Autor:
Sri Kadarwati, Evalisa Apriliani, Riska Nurfirda Annisa, Jumaeri Jumaeri, Edy Cahyono, Sri Wahyuni
Publikováno v:
International Journal of Renewable Energy Development, Vol 10, Iss 4, Pp 747-754 (2021)
The bio-oil produced from pyrolysis of woody biomass typically shows unfavourable characteristics such as high acidity, hence it becomes highly corrosive. An upgrading process, e.g., esterification, is necessary to improve the bio-oil quality prior t
Externí odkaz:
https://doaj.org/article/4470417ab1f94715b127214d41561b29
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 3, Pp 91-100 (2021)
Diclofenac sodium is a non-steroidal anti-inflammatory drug with a relatively short release time. This short release time promotes a more frequent drug consumption and could lead to side effects in the stomach, e.g., gastrointestinal disorders, gastr
Externí odkaz:
https://doaj.org/article/b6fbfd4a13414c92b3442dfedc7fe522
Publikováno v:
Jurnal Inovasi Pendidikan Kimia, Vol 15, Iss 1 (2021)
One of the problems in a chemistry learning is the low learning outcomes mainly due to misconception. This study aims to study the student’s misconceptions on the topic of salt hydrolysis and the possible causes that come from them. This study
Externí odkaz:
https://doaj.org/article/f099413e819d435c85f841704dd19a88
Publikováno v:
E-Dimas, Vol 9, Iss 2, Pp 141-148 (2018)
Paradigma pembelajaran harus berubah, tidak hanya penekanan segi kognitif saja tetapi afektif dan psikomotor juga perlu dikembangkan. Pembelajaran yang berpusat ke guru, harus dirubah menjadi pembelajaran berpusat ke siswa. Pembelajaran harus interak
Externí odkaz:
https://doaj.org/article/fa7e361b3c234c0497cf15fb0925a0d1
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 10, Iss 1, Pp 50-60 (2015)
Reaction kinetics of catalytic cracking of rubber seed oil to liquid fuels has been investigated. The reac-tion was performed with sulfuric acid as catalyst at temperatures of 350-450 oC and the ratio of oil-catalyst of 0-2 wt.% for 30-90 minutes. Ki
Externí odkaz:
https://doaj.org/article/b3314c018b5c44a69a73e4b31451f8b5
Autor:
Sri Kadarwati, Sri Wahyuni
Publikováno v:
International Journal of Renewable Energy Development, Vol 4, Iss 1, Pp 32-38 (2015)
Catalytic cracking process of palm oil into bio-fuel using Ni/zeolite catalysts (2-10% wt. Ni) at various reaction temperatures (400-500oC) in a flow-fixed bed reactor system has been carried out. Palm oil was pre-treated to produce methyl ester of p
Externí odkaz:
https://doaj.org/article/ea55b830d3174d4e9c516102f966a4a3
Publikováno v:
Indonesian Journal of Chemistry, Vol 14, Iss 2, Pp 192-198 (2014)
The phenomena of catalyst deactivation and the effects of regeneration method on the characteristics and activity of Ni/ZA catalyst after being used in a continuous cracking reaction of polypropylene have been studied. Ni/ZA catalyst was prepared usi
Externí odkaz:
https://doaj.org/article/848efaf12e1445a0a44e51fcbeef9954
Publikováno v:
Indonesian Journal of Chemistry, Vol 13, Iss 1, Pp 77-85 (2013)
Kinetics and mechanisms of Ni/zeolite-catalyzed cracking reaction of methyl ester palm oil (MEPO) were studied using a continuous flow-fixed bed reactor system at an atmospheric pressure. The catalyst was prepared by wet impregnation method with a so
Externí odkaz:
https://doaj.org/article/e75a39324bc14f9bbe5bd58165398743