Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Nova Yuliasari"'
Publikováno v:
Environment and Natural Resources Journal, Vol 21, Iss 4, Pp 322-332 (2023)
In this study, MgFe2O4 was successfully synthesized through the coprecipitation method using the precursors Fe(NO3)3•9H2O and Mg(NO3)2•6H2O. The MgFe2O4 product was characterized using XRD, SEM-EDS, VSM, UV-DRS, and FTIR. The catalyst was used fo
Externí odkaz:
https://doaj.org/article/1fd5a3a92ac749ca9bc265dd427b5402
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 2, Pp 252-258 (2023)
Pristine layered double hydroxides (LDHs) which have been modified into LDHs-metal oxide composite were applied as procion red (PR) photodegradation catalysts. The preparation was performed using a low calcination temperature of 300°C. Optimization
Externí odkaz:
https://doaj.org/article/5bfd32b4cc034783be1d12fbed77744c
Autor:
Neza Rahayu Palapa, Nova Yuliasari, Patimah Mega Syah Bahar Nur Siregar, Alfan Wijaya, Amri Amri, Nur Ahmad, Aldes Lesbani
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 1, Pp 37-47 (2023)
In this research, the potential of M2+/Al intercalated chitosan has been evaluated and good ability to reduce dyes in an aqueous solution. M2+/Al intercalated chitosan was prepared by anion exchange method and coprecipitation in a nitrogen atmosphere
Externí odkaz:
https://doaj.org/article/463cd7dc70904c44b164aad3d245c3e2
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 1, Pp 151-159 (2023)
Modified MgCr-LDH with microcrystalline cellulose (MgCr/MCC) was successfully prepared by the coprecipitation method and characterized using XRD, FT-IR, and BET analyses. MgCr/MCC showed an increase in surface area from 21.51 to 26.056 m2/g. The mate
Externí odkaz:
https://doaj.org/article/336c529ff6b7404ea52393927d9e5ab1
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 17, Iss 4, Pp 821-830 (2022)
Layered double hydroxide-modified polyoxometalate (ZnAl-PW) was prepared and used for the oxidative desulfurization of dibenzothiophene. XRD patterns of ZnAl-LDH and PW are still present in ZnAl-PW. The bands of ZnAl-PW in wavenumber 3276, 1637, 1363
Externí odkaz:
https://doaj.org/article/7cdba76557494f0ab88aea59971cd375
Publikováno v:
Communications in Science and Technology, Vol 7, Iss 2, Pp 168-174 (2022)
Pristine layered double hydroxide (LDH) in the form of clay Mg/Al LDH was enhanced its catalytic ability by impregnating metal oxides to form Mg/Al-metal oxide composites in congo red (CR) degradation. The composite was calcined at a not high tempera
Externí odkaz:
https://doaj.org/article/efae9197c1934053b837d89493652198
Publikováno v:
Science and Technology Indonesia, Vol 7, Iss 4, Pp 449-454 (2022)
Layered double hydroxide (LDH) is an anionic clay material known to be effective as a catalyst for the photodegradation of dye organic pollutants. Zn/Al LDH was synthesized by coprecipitation then impregnated with metal oxides and calcined at 300oC t
Externí odkaz:
https://doaj.org/article/ae8bc2bf3d3241f5a033776539adb79e
Publikováno v:
Ecological Engineering & Environmental Technology, Vol 23, Iss 4, Pp 125-135 (2022)
The development of studies on layered double hydroxide (LDH) material as a photocatalyst for the degradation of dye pollutants continues to increase. LDH is an anionic clay, which is a natural or synthetic mixed metal hydroxide. Pristine LDH is writt
Externí odkaz:
https://doaj.org/article/e20672f65ac148abbb16eb241cfe3d09
Autor:
Nova Yuliasari, Arini Fousty Badri, Alfan Wijaya, Patimah Mega Syah Bahar Nur Siregar, Amri, Mardiyanto, Risfidian Mohadi, Aldes Lesbani
Publikováno v:
Science and Technology Indonesia, Vol 7, Iss 3, Pp 275-383 (2022)
Modification of Mg/Al-LDH intercalated metal oxide (Mg/Al-Ni) was successfully formed by the coprecipitation method at pH 10, which is indicated by the XRD diffraction, FTIR spectrum, and BET analysis. Mg/Al-LDH increased surface area after intercala
Externí odkaz:
https://doaj.org/article/69ec9f0a9ba94a9c9247b5e8a037a914
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 17, Iss 2, Pp 240-249 (2022)
Studies of LDH materials to be applied as photocatalyst for dye pollutant degradation have been developed. These interesting efforts are inseparable from the investigation of degradation performance and competitive synthetic methods. Composites based
Externí odkaz:
https://doaj.org/article/bc8e8bb8a3ac49bf803e81a680ac3843