Theoretical Approach in Determining Vibrations of Periodic Cutting Tool Holder

Hadi, Yaser

doi:10.9734/bjast/2012/1115

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2014

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“…Chitosan and its derivatives have been extensively investigated as biosorbents ( figure 1) for removal of heavy metals and dyes [16][17][18][19][20] .…”

Section: Introductionmentioning

confidence: 99%

Removal of Azo Dye from Aqueous Solutions using Chitosan

Jabbar¹,

Angham²,

Hadi³

2014

Orient. J. Chem.

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Adsorption of Congo Red (CR) from aqueous solution onto chitosan was investigated in a batch system. The effects of solution pH, initial dye concentration, and temperature were studied. Results indicated that chitosan could be used as a biosorbent to remove the azo dyes from contaminated water. Synthesize of chitosan involved three main stages as preconditioning, demineralization, deproteinization and deacetylation. Chitosan was characterized using Fourier Transform Infrared Spectroscopy (FTIR) and solubility in 1% acetic acid.

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“…Chitosan and its derivatives have been extensively investigated as biosorbents ( figure 1) for removal of heavy metals and dyes [16][17][18][19][20] .…”

Section: Introductionmentioning

confidence: 99%