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All Journal Society: Jurnal Pengabdian Masyarakat Bulletin of Chemical Reaction Engineering & Catalysis
Anggreani, Cindy Nur
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Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences

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Pengadaan Mini Garden “Mandaka Laksmi” di RW 13 Nusukan, Banjarsari, Surakarta dalam Rangka Program Kampung Iklim (Proklim) Zuhro, Nurul Shofiatin; Nita, Elen; Fimala, Aprilia; Anggreani, Cindy Nur; Putri, Azizah Amalia; Ayu Kusumaningrum, Dennisa; Fikriana, Nisa Inda; Puji Rahayu, Fakih; Alam, Ridwan Nur; Marshela, Sylvia Anggi; Larasati, Rima Fatima
Society : Jurnal Pengabdian Masyarakat Vol 1, No 6 (2022): November
Publisher : Edumedia Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55824/jpm.v1i6.204

Abstract

The Climate Village Program (ProKlim) is a national scale program in order to encourage the community and all parties to take concrete actions to improve resistance to the negative impacts of climate change. In the village of Nusukan in particular RW 13 will be promoted by the Climate Village Program (ProKlim). To support the program, the procurement of a mini garden is carried out as an effort to move society and all parties in the face of climate change. The impact of this activity is to increase public knowledge and understanding of change climate and its impacts, as a real adaptation effort so that it can improve the degree of public health in the face of climate change, environment of RW 13 Nusukan, and can reduce GHG (Greenhouse Gas) emissions.
Hexagonal TiO2/SiO2 Porous Microplates for Methylene Blue Photodegradation Ulfa, Maria; Anggreani, Cindy Nur; Mulyani, Bakti; Sholeha, Novia Amalia
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 1 Year 2024 (April 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20120

Abstract

Hexagonal TiO2/SiO2 Porous Microplates have been successfully synthesized by incorporation of Ti precursors into SiO2 synthesized from Si precursors in a gelatin-CTAB mixture via the hydrothermal method. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), EDX, nitrogen adsorption-desorption and Fourier transform infrared spectroscopy (FTIR). The sample has a surface area of 735 m2/g, pore volume of 0.67 cc/g, and pore diameter of 3.2 nm, according to the results of the characterization of hexagonal TiO2/SiO2 porous microplates. The transformation of SiO2 microspheres into hexagonal TiO2/SiO2 porous microplates is revealed by a microparticle size increase of 84% and the transition of Si−O bonds into Ti−O and Si−O as measured by FTIR. The photocatalytic activity of hexagonal TiO2/SiO2 porous microplates resulted in 81.15% photodegradation of methylene blue under UV light irradiation within 60 min, which was 21 % better than SiO2. Copyright © 2024 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Physicochemical Characteristics of Titania Particles Synthesized with Gelatin as a Template Before and After Regeneration and Their Performance in Photocatalytic Methylene Blue Ulfa, Maria; Pangestuti, Indriyani; Anggreani, Cindy Nur
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 2 Year 2024 (August 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20138

Abstract

TiO2 material has an important position in the processing of methylene blue waste because it is economical, has abundant polymorphs, high sustainability and supports green chemistry applications. Mesoporous TiO2 is a porous material that has higher effectiveness than other TiO2 because the pore structure has a large diameter at the nano scale (2-50 nm) with a regular shape so that the surface area and pore volume are greater than the average for other TiO2. The synthesis of mesopore TiO2 material has so far used the sol-gel route with synthetic pore directing agents such as P123 which can be replaced with gelatin as a cheaper and safer pore directing agent with high sustainability and abundance. Based on the description above, this research aims to photodegrade methylene blue using mesoporous TiO2 (m-TiO2) nanoparticles which were prepared by the sol–gel method using gelatin and P123 as template. X-ray diffraction (XRD), scanning electron microscopy (SEM), Electron dispersive X-Ray (EDX), and UV–vis spectroscopy techniques were used to characterize the samples. Photocatalytic activities of samples for methylene blue degradation were investigated. The catalyst before and after regeneration will be studied so that the effect of regeneration on the results of methylene blue photocatalysis with m-TiO2 can be determined. XRD results confirmed the formation of the anatase and rutile phase for the TiO2 nanoparticles, with crystallite sizes larger after regeneration in the range of 9–21 nm. The large particle size was after regeneration due to the promotion by high temperature treatment. TiO2 nanoparticles showed the best photocatalytic activity on the first use to 91% and remained stable after four cycles with photodegradation efficiency up to 76% based on the measured UV-Vis spectroscopy. TiO2 as synthesis could be the best candidate for catalyst with the high performance after multicycle regeneration. Copyright © 2024 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Alam, Ridwan Nur Ayu Kusumaningrum, Dennisa Bakti Mulyani Fikriana, Nisa Inda Fimala, Aprilia Larasati, Rima Fatima Maria Ulfa Marshela, Sylvia Anggi Nita, Elen Pangestuti, Indriyani Puji Rahayu, Fakih Putri, Azizah Amalia Sholeha, Novia Amalia Zuhro, Nurul Shofiatin