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Environmental organic chemistry
TLDR
An Introduction to Environmental Organic Chemicals is given in this article, where the authors present an overview of the main steps in the development of these processes, including the following: Sorption I: General Introduction and Sorption Processes Involving Organic Matter. Sorption II: Partitioning to Living Media - Bioaccumulation and Baseline Toxicity.Abstract:
Preface. Part I: Introduction. 1. General Topic and Overview. 2. An Introduction to Environmental Organic Chemicals. Part II: Equilibrium Partitioning Between Gaseous, Liquid, and Solid Phases. 3. Partitioning: Molecular Interactions and Thermodynamics. 4. Vapor Pressure. 5. Activity Coefficient and Solubility in Water. 6. Air-Organic Solvent and Air-Water Partitioning. 7. Organic Liquid-Water Partitioning. 8. Organic Acids and Bases: Acidity Constant and Partitioning Behavior. 9. Sorption I: General Introduction and Sorption Processes Involving Organic Matter. 10. Sorption II: Partitioning to Living Media - Bioaccumulation and Baseline Toxicity. 11. Sorption III: Sorption Processes Involving Inorganic Surfaces. Part III: Transformation Processes. 12. Thermodynamics and Kinetics of Transformation Reactions. 13. Chemical Transformations I: Hydrolysis and Reactions Involving Other Nucleophilic Species. 14. Chemical Transformations II: Redox Reactions. 15. Direct Photolysis. 16. Indirect Photolysis: Reactions with Photooxidants in Natural Waters and in the Atmosphere. 17. Biological Transformations. Part IV: Modeling Tools: Transport and Reaction. 18. Transport by Random Motion. 19. Transport Through Boundaries. 20. Air-Water Exchange. 21. Box Models. 22. Models in Space and Time. Part V: Environmental Systems and Case Studies. 23. Ponds, Lakes, and Oceans. 24. Rivers. 25. Groundwater. Appendix. Bibliography. Index (Subject Index, Compound Index, List of Illustrative Examples).read more
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Rejection of wastewater-derived micropollutants in high-pressure membrane applications leading to indirect potable reuse
TL;DR: In this paper, the efficiency of reverse osmosis membranes in rejecting organic micropollutants at conditions simulating full-scale installations was investigated using a two-stage laboratory membrane skid and two fullscale RO trains.
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Numerical simulation of multiphase flow and phase partitioning in discretely fractured geologic media
TL;DR: In this article, the authors extended the three-dimensional compositional model CompFlow to allow the simulation of multiphase advective, dispersive and diffusive flux of non-aqueous phase liquid (NAPL) contaminants in a discrete-fracture network, allowing for phase partitioning and dynamic interactions between the fracture network and the surrounding low-permeability rock matrix.
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Trends in odor intensity for human and electronic noses: Relative roles of odorant vapor pressure vs. molecularly specific odorant binding
TL;DR: In this article, the mean response intensity of a carbon black-polymer composite electronic nose array was collected during exposure to homologous series of alkanes and alcohols. But the results were not consistent with the hypothesis that the odor detection thresholds observed in human psychophysical experiments for the odorants studied herein are driven predominantly by the similarity in odorant concentrations sorbed into the olfactory epithelium at a constant fraction of the odorant's vapor pressure.
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Longevity of granular iron in groundwater treatment processes: changes in solute transport properties over time.
TL;DR: In this paper, the authors used tritiated water (3 H 2 O) as a conservative and nonpartitioning tracer to evaluate the porosity of granular media.
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Phenanthrene sorption to structurally modified humic acids.
TL;DR: This study demonstrates that macroscopic sorbent characteristics could not explain the observed phenanthrene sorption coefficients, aliphatic structural components of HAs can contribute appreciably to phenanthene sorption, and organic matter physical conformation may regulate access to organic matter structures.