Carbon Adsorption

Aldehydes, due to their low molecular weight and hy-drophilic nature, are not readily adsorbed onto activated carbon. Typical data from Freudlich isotherm tests of ad-sorbability at various carbon dosage levels are presented in Table 8.2.1. On a relative basis, aldehydes were less amenable to adsorption than comparable undissociated organic acids but were more amenable than alcohols (Giusti 1971). However, none of the low molecular weight, polar, highly volatile materials were readily adsorbed.

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