Lecture_5 & 6_ESM214_05

Lecture_5 & 6_ESM214_05 - ESM 214 05 Lecture 5 / 6:...

Info iconThis preview shows pages 1–9. 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 DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: ESM 214 05 Lecture 5 / 6: Physical & Chemical Processes in Waste Treatment Physical & Chemical Processes May precede Biological Treatment e.g. flow equalization e.g. preliminary and primary treatment May contribute to Biological Treatment e.g. precipitation in secondary clarifier e.g. aeration May follow Biological Treatment e.g. advanced treatment Dampen out diurnal fluctuations Divert toxics Balance loads Concept of Flow Equalization Q i High flow diversion Low flow return Q i Some physical and chemical processes used with biological treatment are for combining-- mixing & flocculation-- aeration Often the purpose of, physical and chemical processes is to separate-- solids from liquid-- dissolved chemicals from liquid-- gases from liquid Separating Solids Settling Discrete particles Flocculants Precipitants Flotation Filtration Granular media Membrane Centrifugation Discrete Particle Settling Modeled by Stokes law (p 363 M&E)...
View Full Document

Page1 / 34

Lecture_5 & 6_ESM214_05 - ESM 214 05 Lecture 5 / 6:...

This preview shows document pages 1 - 9. Sign up to view the full document.

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