2014
DOI: 10.21776/ub.jpacr.2014.003.02.139
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The Adsorption of Cr(VI) Using Chitosan-Alumina Adsorbent

Abstract: Chitosan as adsorbent has been used widely, however it was not effective yet for metal ions adsorption in industrial scale. In acidic condition, chitosan's active site tends to decrease. This drawback can was solved by coating of chitosan active site on alumina. This paper discloses to overcome that limitation. The charateristic of the active side was analysed by FTIR spectrometry toward vibration N-H group at 1679.15 cm-1 , C=O group of oxalate at 1703.30 cm-1 , and Al-O group of alumina at 924.07 cm-1. The a… Show more

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Cited by 17 publications
(15 citation statements)
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“…Alumina was reported by several researchers for having the ability to adsorb orange G, yellow monochlorotriazine, and yellow dichlorotriazinecolor black G [5,[15][16]. Surface modification of adsorbent using alumina was expected to increase the adsorption capacity as shown by modification of bentonite-alumina [17], alumina-chitosan [18], and activated carbonalumina [19][20].…”
Section: Introductionmentioning
confidence: 99%
“…Alumina was reported by several researchers for having the ability to adsorb orange G, yellow monochlorotriazine, and yellow dichlorotriazinecolor black G [5,[15][16]. Surface modification of adsorbent using alumina was expected to increase the adsorption capacity as shown by modification of bentonite-alumina [17], alumina-chitosan [18], and activated carbonalumina [19][20].…”
Section: Introductionmentioning
confidence: 99%
“…Aplikasi kitosan yang pernah dilaporkan yaitu kitosan sebagai carrier untuk elektroda (Kurniasih, 2012, Rismiarti, 2013, sebagai adsorben logam berat (Ali, 2013, Darjito, 2014, Widwiastuti, 2013, sebagai penyerap lemak pada suplemen diet (Gades, 2005), serta sebagai antimikroba (Raafat, 2009). Umumnya, kitosan dalam bidang farmasi dimanfaatkan sebagai bahan eksipien obat dan belum banyak dimanfaatkan sebagai zat aktif obat.…”
Section: Aplikasi Kitosanunclassified
“…Berbagai zat dapat digunakan sebagai adsorben untuk proses adsorpsi (Pratiwi and Prinajati, 2018). Pengolahan limbah zat warna dan logam berat dapat juga dilakukan dengan berbagai metode yaitu filtrasi, presipitasi kimia, ion exchange, adsorpsi dan sistem membran (Darjito et al 2014). Metode adsorpsi memiliki beberapa kelebihan diantaranya adalah pengolahannya relatif sederhana, dan efesiensinya relatif tinggi, efektif serta tidak memberikan dampak buruk terhadap lingkungan (Hossain et al 2012).…”
Section: Pendahuluanunclassified
“…Hal ini menimbulkan dampak pada meningkatnya organisme yang mengandung polutan logam berat seperti pada biota laut, karang, dan beberapa keluarga alga atau rumput laut. Hal yang sangat memprihatinkan, konsumsi tinggi sumber makanan laut yang tercemar logam berat oleh manusia merupakan masalah penting bagi kesehatan manusia (Darjito et al 2014).…”
Section: Logam Beratunclassified