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Sr Sugiarti
Departemen Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Institut Pertanian Bogor, Bogor
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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BIOADSORPSI Hg(II) OLEH PATI SAGU TAUT SILANG FOSFAT [Bioadsorption of Hg(II) by Crosslinked Sago Starch Phosphate] Jorion Romengga; Tun Tedja Irawadi; Sr Sugiarti
Jurnal Teknologi dan Industri Pangan Vol. 23 No. 2 (2012): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (677.149 KB) | DOI: 10.6066/jtip.2012.23.2.140

Abstract

Crosslinked-sago-starch-phosphate (SgP) has been successfully synthesized from native sago starch (Sg) and Na2HPO4-NaH2PO4 in an acidic condition. The compound was designed as bioadsorbent for removing Hg(II) inside human digestion tract as shown by in vitro test. The bioadsorption followed pseudo-second order of reaction kinetic and Freundlich equation as chemisorption. As a result, 21% of Hg(II) was removed at pH of 6.80 and reached the isothermal equilibrium of the bioadsorption at pH of 5.80 and 8.60 for 29.95% and 31.39%, respectively. The result showed that SgP is more feasible than activated carbon to be used as bioadsorbent in removing Hg(II) in human digestion tract as proved by in vitro system.
Co-Authors Jorion Romengga Tun Tedja Irawadi