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CHLOR ALKALI INDUSTRY Uğur KÜÇÜKBAYRAK Mesut Emrah ÖZTÜRK Nazenin GÜRE Sedat KEKEÇ

CHLOR ALKALI INDUSTRY Uğur KÜÇÜKBAYRAK Mesut Emrah ÖZTÜRK Nazenin GÜRE Sedat KEKEÇ. 1) Introduction. Koruma Industry K oruma Tarım E stablished in 1949 Derince chloralkali plant in 1963 Changed hand to Vefa İbrahim Araci in 1994 A ble to provid e, Chloralkali , A griculture ,

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CHLOR ALKALI INDUSTRY Uğur KÜÇÜKBAYRAK Mesut Emrah ÖZTÜRK Nazenin GÜRE Sedat KEKEÇ

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  1. CHLOR ALKALI INDUSTRYUğur KÜÇÜKBAYRAKMesut Emrah ÖZTÜRKNazenin GÜRESedat KEKEÇ

  2. 1) Introduction Koruma Industry KorumaTarım • Established in 1949 • Derincechloralkali plant in1963 • Changed hand to VefaİbrahimAraci in 1994 Able to provide, • Chloralkali, • Agriculture, • Transportation • Cleaning(products to clean) • Packaging • TourismFields • Environmental balance (with St. of ISO 14001.)

  3. Koruma is the first company • Having EPKD electricity producer licence • Produces energy via natural gas in Derince Koruma’s Envioronment View • Using Energy efficient &Environmentally friendly technologies • Using scare sources Efficiently

  4. 1.1)Effluens from Koruma Industry Cloralkali Industry Wastewater Effluent Types • Domestic Wastewater • Industrial Wastewater Koruma Industry produce • Q (Domestic WW)= 70 m3 /d • Q (Industrial WW)= 120m3 /d.

  5. 1.2) Domestic Wastewater Treatment System Flow Diagram

  6. Domestic Wastewater Treatment Plant

  7. Aeration Tank (Aerobic Reactor)

  8. Domestic Wastewater Sedimentation Tank

  9. Baffles At the Effluent DWW

  10. 1.3 Industrial Wastewater Treatment • It is consist of; • Coagulation by a rapid mix • Flocculation Tank • Sedimentation of Flocs • Effluent Discharge

  11. Rapid Mixing • Ferric Chloride is added for floc formation • Polyelectrolyte for aid • Sulfide Chemical (presence of Cl-)

  12. Flocculation • Floc Formation Takes Place • High HRT value for better contact time • Power is supplied by a slow mix

  13. Sedimentation • Sedimentation is applied for settling of precipitates • Clear Effluent is collected from the surface by a single sided weir • Collected Effluent is sent to discharge point

  14. Sludge Management • Sludges, collected from clarifiers, are managed seperately • Sand filters are used for sludge thickening • Thicken sludge is collected and disposed by IZAYDAS

  15. Sand Filters

  16. Discharge • IWW and DWW effluents are collected and mixed at discharge point • pH is controlled by a pH meter

  17. Effluent Parameters • Measurements of effluent are made for discharge standards • Discharged water characteristcs are proper for the standards

  18. DesignCalculations • Therearetwotypes of treatmentprocesseswhichincludedomesticwastewaterandindustrialwastewater • Fordomesticwastewater ; • CircularAerationbasindimensions ; • diameter=6m • depth=6m

  19. Circularsedimentation tank calculation • circularsedimentation tank dimensions; • diameter=3m • depth=2m • effluentlaunder=0.3m • Q=70m3/day = 0.00081m3/sec • HRT=Volume / Q =14.1 m3 / (70 m3/d x d/24 hr) = 4.83 hr

  20. Onesidedweir is used in treatment • Weirlength = (D-2xeff.launder) x π = (3-0.6) x π = 7,54 m • Weirloading = Q / L = (70 m3/d) / (7.54m) = 9.28 m3 /m.d • Surfaceloadingcalculation; • A = = =7 m2 • Surfaceloading = Q / A =(70 m3/d) / 7 m2 =10 m3/ m2d

  21. Forindustrialwastewater; • Q=120m3 / d = 0.014 m3/sec • Circularrapidmixingunitbasin; • Diameter=1 m • Depth=1m • Rectangularflocculationbasindimensions ; • Length=4.5m • Width=1.5m • Depth=2.5m

  22. CircularSedimentationbasinDimension; • Diameter = 4.5m • Depth=3m • Eff.launder=0.5 m • Rapidmixingunitcalculation; • HRT= Volume / Q = (0.8 m3) / (120 m3/d x (d/24 hr) x( hr/ 60 min)) = 9.6 min

  23. Flocculationunitcalculation; • Volume = Length x width x depth = 1.5 x 2.5 x 4.5 =16.875 m3 • HRT= Volume / Q = (16.875 m3) / (120 m3/d x (d/24 hr)) = 3.375 hr • SedimentationUnitcalculations; • HRT= Volume / Q = (47.7 m3) / (120 m3/d x (d/24 hr) )= 9.54 hr

  24. References • http://circa.europa.eu/Public/irc/env/ippc_brefs/library?l=/bref_chlor_alkali • [Brien-White, 1995] • [Ullmann’s, 1996] • [Stenhammar] • [Kirk-Othmer,1991] • [Lindley,1997] • [Ullmann’s, 1996] • www.koruma.com • www.wikipedia.com

  25. THANK YOU

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