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All Journal Jurnal Sains dan Seni ITS Jurnal Riset Kimia ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Chemistry Communications in Science and Technology Chemistry Indonesian Journal of Chemical Research Nusantara Science and Technology Proceedings PIKAT Bulletin of Chemical Reaction Engineering & Catalysis
Kusumawati, Yuly
Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Other

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Ultrafiltration membranes for dye wastewater treatment: Utilizing cellulose acetate and microcrystalline cellulose fillers from Ceiba Pentandra Abdullah, Romario; Astira, Dinia; Zulfiani, Utari; Rahmad Widyanto, Alvin; Rahmawati, Zeni; Gunawan, Triyanda; Kusumawati, Yuly; Hafiz Dzarfan Othman, Mohd; Fansuri, Hamzah
Communications in Science and Technology Vol 9 No 1 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.1.2024.1345

Abstract

Dye hurts the threat of human health problems and environmental pollution. Microcrystalline cellulose (MCC) based membrane is a good material to be used as an dye separation membrane for having the high hydrophilicity of the membrane. It has been successfully isolated from kapok (ceiba pentandra) with characteristic X-ray diffraction patterns and FTIR absorption peaks, which corresponded to the typical peaks of cellulose. The ultrafiltration membrane was made up of a cellulose acetate matrix created using the phase inversion method. Characterization results indicated that the inclusion of MCC derived from kapok led to a reduction in the contact angle from 65 to 52o, and an increase in membrane porosity from 82 to 85%. In the separation of dye, the composite membrane incorporating MCC filler demonstrated superior performance compared to the membrane lacking MCC, manifesting in an elevated water flux from 43 to 84 L/m².h and methylene blue (MB) rejection from 64 to 99%. The use of MCC as a filler in cellulose acetate membranes can enhance the characteristics and performance of the membrane in MB separation.
Decolorization of Methylene Blue Dye Using ZnO/ZSM-5 Photocatalyst under UV-LED Irradiation Lely Dwi Astuti; Yuly Kusumawati; Didik Prasetyoko; Wahyu Bambang Widayatno; Abdul Hamid
ALCHEMY Jurnal Penelitian Kimia Vol 16, No 2 (2020): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.16.2.42985.232-239

Abstract

The present research studied about decolorization of methylene blue dye using photocatalyst ZnO/ZSM-5 under UV-LED lamp. ZnO/ZSM-5 was synthesized using the impregnation method by adding two grams ZSM-5 to Zn solution 0.3 M 10 mL. Photocatalyst was characterized using X-ray diffractometer (XRD), Fourier transform infrared (FTIR), field emission scanning electron microscopy-energy dispersive X-Ray (FESEM-EDX), and surface area analyzer (SAA). Analysis using XRD show addition characteristic peaks of ZnO at 2θ 31.60°, 34.21°, 36.08°, 47.35°, 56.50°, 62.73°, 67.83°, that indicates a successful impregnation process. The photocatalysis activity test was done on methylene blue dye 100 mg L-1. ZSM-5 and ZnO activities were tested under UV-LED irradiation and dark conditions. Data showed that percent removal of dye occurred on ZnO/ZSM-5 under 15 minutes irradiation is 78.32%.
Co-Authors Abdul Hamid Abdullah, Romario Aishah Abdul Jalil Anisun Zakiyah Annisa M. Dewi Astira, Dinia Dewi, Annisa M. Didik Prasetyoko Erliyanti, Nove Kartika Fadlan, Arif Fahmi Hidayat Fanni Kurnia Wijaya Fansuri, , Hamzah Fensia Analda Souhoka Gunawan, Triyanda Gunawan, Triyanda Habib, Mohammad Hasnan Hafiz Dzarfan Othman, Mohd Hamzah Fansuri Harmami Harmami Hellna Tehubijuluw Hendro Juwono Lely Dwi Astuti Linda Wati Oktavia Liyana Labiba Zulfa Lukman Atmaja Mohd Hafiz Dzarfan Othman Mutasim Billah Nandini , Atika Nanik Ismi Oktavianti Nur Hadi Nur Izzati Abu Bakar Nurul - Widiastuti Rahmad Widyanto, Alvin Rahmawati, Zeni Ratna Ediati Reva Edra Nugraha Riki Subagyo Rizky Arief Shobirin Rosanti, Aulia Dewi Silvana Dwi Nurherdiana Sintha Soraya Santi Subagyo, Riki Syafsir Akhlus Syafsir Akhlus, Syafsir Wahyu B. Widayatno Wahyu Bambang Widayatno Wahyu Prasetyo Utomo Widayatno, Wahyu B. Yogaswara, Rachmad Ramadhan Zulfiani, Utari