{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Sorption II_April_5_2010[1]

Sorption II_April_5_2010[1] - Sorption II(Chapter 11 plus...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Sorption II (Chapter 11 plus) Site-specific sorption to organic matter, clays, and oxides April 5-7, 2010 General Outline • Clay mineral basics • Exchange (OM and Clay minerals) • Other types of aqueous clay-associated interactions • Electron donor-acceptor interactions • Sorption from air • Chemisorption - irreversible sorption reactions/surface catalyzed transformations Minerals in Various Size Fractions of Soils • Sand (2,000 – 50 m) – mainly common minerals in igneous and metamorphic rocks • Silt (50 – 2 m) – mainly common minerals in igneous and metamorphic rocks – sometimes some “clay minerals” such as kaolinite • Clay (<2 m) – mainly “clay minerals” – small amounts of quartz and feldspars Basic Building Blocks of Clay Minerals • Polyhedra – tetrahedra • consisting of 4 oxygen ions (O 2- ) surrounding • mainly Si 4+ and Al 3+ ions – octahedra • consisting of 6 oxygen ions (O 2- ) surrounding • mainly Al 3+ , Mg 2+ , Fe 2+ , or Fe 3+ ions • Sheets made up of tetrahedra, octahedra, or both • Layers made up of sheets Tetrahedra and Octahedra (p 13, Plate 1-3) (p 14, Plate 1-4) (p 15, Plate 1-5)...
View Full Document

{[ snackBarMessage ]}

Page1 / 19

Sorption II_April_5_2010[1] - Sorption II(Chapter 11 plus...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online