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บทที่ 8. การควบคุมมลภาวะในงานอุตสาหกรรม (Industrial Pollution Control). มลพิษจากโรงงานอุตสาหกรรมจำแนกได้ 4 ประเภท. 1.มลพิษทางน้ำ (Water Pollution) 2.มลพิษทางอากาศ (Air Pollution) 3.มลพิษทางเสียง (Noise Pollution) 4.มลพิษทางขยะ (Solid Waste Pollution). มลพิษทางด้านน้ำ.

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บทที่ 8

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8

8

(Industrial Pollution Control)


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4

1. (Water Pollution)

2. (Air Pollution)

3. (Noise Pollution)

4. (SolidWaste Pollution)


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4

1. (Cooling Water) : 60-70

2. (Washing Water)

3. (Process Waste Water) :

4. (Miscellaneous Water) : ,


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1. (pH)

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.


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1.

(H+)

- pH 7 pH (NaOH), (Ca(OH)2 )

- pH 7 pH (HCL), (H2SO4)


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2. (DissolvedOxygen)

3.(Oxygen Demand)

3.1Biochemical Oxygen Demand (BOD)

3.2Chemical Oxygen Demand (COD)


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3.3 Total Oxygen Demand (TOD) :

3.4 Total Organic Carbon (TOC) :

4. (Solid)

4.1 (Dissolved Solids) : (NaCl)

4.2 (Insoluble Solids)


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5. (Nitrogen)

6.(Phosphorus)


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3

1.

2.

3.


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1. (Screening)

2. (Combination)

3. (Skimming)

4. (Flotation)

5. (Sedimentation)


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14.65

@ 0C Temperature

10.01

@ 15C Temperature

@ 25C Temperature

8.12

7.36

@ 30C Temperature

Solubility of oxygen in water Cs (g m3) in equilibrium with air at 1 atmosphere (1.013105 N m2 or 101.3 kPa)


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Bar Screening

http://openlearn.open.ac.uk/file.php/


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Micro Screenong

http://openlearn.open.ac.uk/file.php/


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http://openlearn.open.ac.uk/file.php/


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Diagram of a dissolved air flotation system

http://openlearn.open.ac.uk/file.php/


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http://www.caromal.co.uk/SKIMMER.gif


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oil skimmer removing floating oil and oily wastewater from a cooling water recycling system

www.ultraspin.com.au/images/Dairy-s2-skimmer.jpg


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1. (Neutralization)

2. (Precipitation)

3.Oxidation-Reduction :

4.Chlorination :


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()

1. (Bacteria)

2. (Algae)

3.


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Some common algae

http://openlearn.open.ac.uk/file.php/


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Protozoa

http://www.vcharkarn.com/uploads/152/153080.jpg

Coliform Bacteria

http://www.svg-environcentre.com/manage_plankton.html


Wastewater treatment system

(Wastewater Treatment System)

1.

2.


Aerobic wastewater treatment system

(Aerobic wastewater treatment system)

1. Oxidation Pond

O2

1.1 High rate pond 0.5


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Oxidation Pond

http://www.rpi.edu/dept/chem-eng/Biotech-Environ/FUNDAMNT/streem/methods.htm


Aerobic wastewater treatment system1

(Aerobic wastewater treatment system)

1.2 Facultative Ponds 2

2. Aerated Lagoon


Aerobic wastewater treatment system2

(Aerobic wastewater treatment system)

Aerated Lagoon 2

1.Aerobic Lagoon

2.Facultative Lagoon


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Aerated Lagoon

http://wtrsolutions.com/images/afterdial_2.jpg


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Facultative Pond

http://www.tumcivil.com/tips/htmlfile/im/sumadjust4.gif


Aerobic wastewater treatment system3

(Aerobic wastewater treatment system)

3. Activated Sludge

  • ()

  • (Activated Sludge)

  • (Return Sludge)


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Activated Sludge

http://www.water-technology.net/projects/chicago/images/Chicago01.jpg


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Diagram Activated Sludge

http://apesnature.homestead.com/files/fg18_013.jpg


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Activated Sludge

http://cityofrobinson.com/waste-water-treatment/


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Activated Sludge

http://nsm1.nsm.iup.edu/tsimmons/Environmental%20Health%20Photolibrary/Wastewater%20Treatment%20Plant%20Photogallery/Wastewater_Treatment_Plant_Aeration_Tank_Rectangular.jpg


Aerobic wastewater treatment system4

(Aerobic wastewater treatment system)

4. Trickling filter

  • BOD


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Trickling filter

http://www.brentwoodindustries.com/water/imagesbw/biotower_wcallouts.gif


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Trickling filter

http://www.bluevistaengineering.com/trickling%20filter%20(600%20x%20450).jpg


Aerobic wastewater treatment system5

(Aerobic wastewater treatment system)

5. Bio-Discs


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http://www.molecular-plant-biotechnology.info/applied-biotechnology/environmental-biotechnology/images/rotating-biological-contactors-rbc.jpg


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http://www.ecotechnos.com/AQtopview.jpg


Anerobic wastewater treatment system

(Anerobic wastewater treatment system)

1.Anaerobic Lagoons

Oxidation Ponds


Anerobic wastewater treatment system1

(Anerobic wastewater treatment system)

2.Conventional Anaerobic Digestion

  • BOD


Anerobic wastewater treatment system2

(Anerobic wastewater treatment system)

3. Anaerobic Contact

  • Activated Sludge

    4.Anaerobic Filter

  • Trickling Filter


Air pollution

(Air Pollution)

1. 2. 3. 4.

5.6. 7.


Air pollution1

(Air Pollution)

1. (Greenhouse Effects)

CO2 CFC


Air pollution2

(Air Pollution)

2.

CFC UV UV

3.


Air pollution control

(Air-Pollution Control)

1.

2.

3.

3.1/

3.2


Air pollution control1

(Air-Pollution Control)

3.3

3.4

3.5

3.6


Noise pollution

(Noise Pollution)

85

1.2.

3. 4.


Noise pollution1

(Noise Pollution)

1.

2.

2.1

2.2


Noise pollution2

(Noise Pollution)

3.

3.1

3.2

1. (Ear Plugs)

2. (Ear Muffs)


Solid waste pollution

(Solid Waste Pollution)

1.

2.


Solid waste pollution1

(Solid Waste Pollution)

1. (Dumping on Land)

2. (High Temperature)

3. (Sanitary Landfill)

4. (Composing)


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1.

2.


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3.(Cd,Cr,Bp,Mn)

NaOH


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