UNIFAC prediction of aqueous and nonaqueous solubilities of chemicals with environmental interest

Article Abstract:

The latest version of UNIFAC group interaction parameters can predict the aqueous and nonaqueous solubility of a large number of chemicals to within 0.5 log unit. UNIFAC-predicted aqueous solubilities matched literature-reported aqueous solubilities for 11 groups of compounds. UNIFAC also successfully predicted the co-solvency of polychlorinated biphenyls in methanol/water solutions. For three groups of chemicals, namely, long-chain alkanes, phthalates and chlorinated alkenes, the error between predicted and literature-reported aqueous solubilities was larger.

Analysis, Chemicals, Solubility

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Irreversible adsorption of chlorinated benzenes to natural sediments: implications for sediment quality criteria

Article Abstract:

Researchers from Rice University and Brown and Caldwell Inc. studied the characteristics of irreversible adsorption of chlorinated benzenes with natural sediments from samples taken from Lake Charles.

Brief Article, Rice University, Lake Charles, Louisiana, Brown and Caldwell

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Fate of Benzene in a Stratified Lake Receiving Contaminated Groundwater Discharges from a Superfund Site

Article Abstract:

This study examines the fate of benzene in aquatic enviroments. The study also examined the effects of benzene concentrations on human exposure.

Chemical industry

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