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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

(Industrial Pollution Control)


4

1. (Water Pollution)

2. (Air Pollution)

3. (Noise Pollution)

4. (SolidWaste Pollution)


4

1. (Cooling Water) : 60-70

2. (Washing Water)

3. (Process Waste Water) :

4. (Miscellaneous Water) : ,


1. (pH)

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.


1.

(H+)

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

- pH 7 pH (HCL), (H2SO4)


2. (DissolvedOxygen)

3.(Oxygen Demand)

3.1Biochemical Oxygen Demand (BOD)

3.2Chemical Oxygen Demand (COD)


3.3 Total Oxygen Demand (TOD) :

3.4 Total Organic Carbon (TOC) :

4. (Solid)

4.1 (Dissolved Solids) : (NaCl)

4.2 (Insoluble Solids)


5. (Nitrogen)

6.(Phosphorus)


3

1.

2.

3.


1. (Screening)

2. (Combination)

3. (Skimming)

4. (Flotation)

5. (Sedimentation)


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)


Bar Screening

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


Micro Screenong

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


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


Diagram of a dissolved air flotation system

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


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


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

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


1. (Neutralization)

2. (Precipitation)

3.Oxidation-Reduction :

4.Chlorination :


()

1. (Bacteria)

2. (Algae)

3.


Some common algae

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


Protozoa

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

Coliform Bacteria

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


(Wastewater Treatment System)

1.

2.


(Aerobic wastewater treatment system)

1. Oxidation Pond

O2

1.1 High rate pond 0.5


Oxidation Pond

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


(Aerobic wastewater treatment system)

1.2 Facultative Ponds 2

2. Aerated Lagoon


(Aerobic wastewater treatment system)

Aerated Lagoon 2

1.Aerobic Lagoon

2.Facultative Lagoon


Aerated Lagoon

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


Facultative Pond

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


(Aerobic wastewater treatment system)

3. Activated Sludge

  • ()

  • (Activated Sludge)

  • (Return Sludge)


Activated Sludge

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


Diagram Activated Sludge

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


Activated Sludge

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


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 system)

4. Trickling filter

  • BOD


Trickling filter

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


Trickling filter

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


(Aerobic wastewater treatment system)

5. Bio-Discs


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


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


(Anerobic wastewater treatment system)

1.Anaerobic Lagoons

Oxidation Ponds


(Anerobic wastewater treatment system)

2.Conventional Anaerobic Digestion

  • BOD


(Anerobic wastewater treatment system)

3. Anaerobic Contact

  • Activated Sludge

    4.Anaerobic Filter

  • Trickling Filter


(Air Pollution)

1. 2. 3. 4.

5.6. 7.


(Air Pollution)

1. (Greenhouse Effects)

CO2 CFC


(Air Pollution)

2.

CFC UV UV

3.


(Air-Pollution Control)

1.

2.

3.

3.1/

3.2


(Air-Pollution Control)

3.3

3.4

3.5

3.6


(Noise Pollution)

85

1.2.

3. 4.


(Noise Pollution)

1.

2.

2.1

2.2


(Noise Pollution)

3.

3.1

3.2

1. (Ear Plugs)

2. (Ear Muffs)


(Solid Waste Pollution)

1.

2.


(Solid Waste Pollution)

1. (Dumping on Land)

2. (High Temperature)

3. (Sanitary Landfill)

4. (Composing)


1.

2.


3.(Cd,Cr,Bp,Mn)

NaOH


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