ACEE 434 Environmental Systems Design - Korea University

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Toxicity Test • Acute toxicity: exposure that will result in significant response shortly after exposure (typically a response is observed within 48 or 96 h) • Chronic toxicity: exposure that will result in sublethal response over a long term, often 1/10 of the life span or more http://sflabs.com/testing/images/Picture029_000.jpg000.jpg http://evodevo.uoregon.edu/ima ges/daphnia.gifgif ACEE 434 Fall 2009 HDP 34
Summary • Guri wastewater treatment plant • Wastewater characteristics - Physical characteristics - Inorganic characteristics - Organic characteristics - Biological characteristics ACEE 434 Fall 2009 HDP 35
Page 1 and 2: ACEE 434 Environmental Systems Desi
Page 3 and 4: Screen, Grit Removal Influent Prima
Page 5 and 6: Primary Treatments Primary clarifie
Page 7 and 8: Advanced Treatments Ozone disifecti
Page 9 and 10: Physical Constituents • Solids
Page 11 and 12: Size Range 0.45 -2.0μm: filter siz
Page 13 and 14: Temperature • Very important t pa
Page 15 and 16: Temperature The effect of temperatu
Page 17 and 18: pH • The concentration range suit
Page 19 and 20: Nitrogen • Nitrogen cycle denitri
Page 21 and 22: Gases • N 2 , O 2 , CO 2 , H 2 S,
Page 23 and 24: Organic Constituents • BOD •TOC
Page 25 and 26: BOD • Three main activities of ae
Page 27 and 28: BOD D1 − D2 BOD, mg / L = P ( D1
Page 29 and 30: BOD • The rate of BOD oxidation (
Page 31 and 32: Biological Constituents • Bacteri
Page 33: Indicator Organisms MetCalf and Edd

ACEE 434 Environmental Systems Design - Korea University

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