Tutorial 1

Tutorial 1 - Tutorial 1 Chapter 1 and Chapter 2...

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Tutorial 1 Chapter 1 and Chapter 2
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introduction Name: Li Yao Email: [email protected] TA Office: RM2126
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Notice 1: Deadline of Assignment 1 : 4:00 pm on Thursday afternoon (Sep. 12 ) 2: Place: Box “CIVL242” outside the TA office.
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Review • Hardness: expressed in mg/L as CaCO 3 TN; TP BOD; COD Alkalinity • Solid-water equilibrium (K sp ) Air-water equilibrium (Henry’s law) and solubility of oxygen (saturated dissolved oxygen (DO)).
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Hard water is water that has a high mineral content (water with a low mineral content is known as soft water). This content usually consists of high levels of metal ions, mainly calcium (Ca) and magnesium (Mg), but may include several other metals as well as bicarbonates and sulfates. Softening: ion exchange lime-soda (Ca(OH) 2 -Na 2 CO 3 )
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Coagulation-flocculation-sedimentation: remove the high concentration of suspended solids. Filtration: remove the fine particulate and some
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This note was uploaded on 09/13/2011 for the course CIVL 242 taught by Professor Gh during the Fall '09 term at HKUST.

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Tutorial 1 - Tutorial 1 Chapter 1 and Chapter 2...

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