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KURNIASETIAWATI, ANNISA
Politeknik Negeri Bandung
Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : ASEAN Journal of Chemical Engineering

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The Efficiency of κ-Carrageenan-Chitosan-PVA-MWCNTs Membranes in Removing Methylene Blue, Rhodamine B, Bromocresol Purple, and Murexid from Water Widarti, Sri; Suprianti, Yanti; Kurniasetiawati, Annisa Syafitri; Tritjahjono, Rachmad Imbang
ASEAN Journal of Chemical Engineering Vol 23, No 3 (2023)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajche.78794

Abstract

The electrocoagulation method has been proven to be highly effective in removing metal ions from water, with a removal efficiency of over 97%. However, in terms of removing organic pollutants such as synthetic dyes, the efficiency of electrocoagulation is still relatively low. A hybrid approach combining electrocoagulation with membrane filtration has been proposed to enhance the removal of organic contaminants. Eco-friendly membranes made from renewable natural polymers like carrageenan and chitosan, reinforced with synthetic polymers such as polyvinyl alcohol and carbon nanotubes, have shown to be promising for this application. In this study, membranes with varying chitosan/carrageenan ratios of 0.2, 0.33, 0.5, and 0.71 (g/g) were used to remove synthetic dyes, including methylene blue, rhodamine B, bromocresol purple, and murexid, at a concentration of 200 ppm from 8.5 ml of water. From the SEM images, the four membranes have almost the same surface and cross-section morphology. The results showed that the membrane with a chitosan/carrageenan ratio of 0.71 exhibited the highest removal efficiency for all synthetic dyes. The parameter affecting the membrane’s removal efficiency is the interaction between the membrane and synthetic dyes. Murexid, an anionic dye, achieved a 100% removal efficiency, surpassing cationic dyes such as rhodamine B and methylene blue. Besides interactions, the dye’s molecular size determines the removal’s efficiency. The molecular size of rhodamine B is larger than that of methylene blue, and the removal efficiency of rhodamine B (98.4%) is greater than methylene blue (91%). Bromocresol purple is almost the same size as rhodamine B but not ionic because it has the lowest removal efficiency of 34.55%.
Co-Authors Ade Suryatman Margana Andriyanto Setyawan Badarudin, Apip Bunga Putri Shaumi Cahyo Wibowo Chatarina Umbul Wahyuni Ferdiyansyah, Ferdiyansyah GANTINA, TINA MULYA Herawati Budiastuti Hermagasantos Zein Khofifah, Ananda Anggis Laksono Trisnantoro Lina Setiawati Magdalena, Carolina MARENSHAPUTRI, PUREZA Mitrakusuma, Windy Hermawan Muhammad Akmal Muhammad Arman Muhammad Rafif Musyaffa Al Fakhri Nani Yuningsih, Nani Nuryati, Neneng Pakpahan, Rosma Pramudantoro, Triaji Pangripto Prasetyo, Bowo Yuli Rosulindo, Parisya Premiera Rusmana Sapto Prajogo Sapto Prayogo setiawan, Dibyo Siahaan, Herbert Hasudungan Sri Widarti, Sri Sulthan Rachman Saleh Susilawati Teguh Sasono TINA MULYA GANTINA Tritjahjono, Rachmad Imbang Wachjoe, Conny K. WACHJOE, CONNY KURNIAWAN Wibisono, Nono Windy Hermawan Mitrakusuma YANTI SUPRIANTI, YANTI Yulistiani, Fitria