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1) Introduction Koruma Industry Koruma Tarım Established in 1949

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2 1) Introduction Koruma Industry Koruma Tarım Established in 1949
Derince chloralkali plant in1963 Changed hand to Vefa İbrahim Araci in 1994 Able to provide, Chloralkali, Agriculture, Transportation Cleaning(products to clean) Packaging Tourism Fields Environmental balance (with St. of ISO )

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 Design Calculations There are two types of treatment processes which include domestic wastewater and industrial wastewater For domestic wastewater ; Circular Aeration basin dimensions ; diameter=6m depth=6m

19 Circular sedimentation tank calculation
circular sedimentation tank dimensions; diameter=3m depth=2m effluent launder=0.3m Q=70m3/day = m3/sec HRT=Volume / Q =14.1 m3 / (70 m3/d x d/24 hr) = 4.83 hr

20 One sided weir is used in treatment
Weir length = (D-2xeff.launder) x π = (3- 0.6) x π = 7,54 m Weir loading = Q / L = (70 m3/d) / (7.54m) = 9.28 m3 /m.d Surface loading calculation; A = = =7 m2 Surface loading = Q / A =(70 m3/d) / 7 m2 =10 m3/ m2d

21 For industrial wastewater;
Q=120m3 / d = m3/sec Circular rapid mixing unit basin; Diameter=1 m Depth=1m Rectangular flocculation basin dimensions ; Length=4.5m Width=1.5m Depth=2.5m

22 Circular Sedimentation basin Dimension;
Diameter = 4.5m Depth=3m Eff.launder=0.5 m Rapid mixing unit calculation; HRT= Volume / Q = (0.8 m3) / (120 m3/d x (d/24 hr) x( hr/ 60 min)) = 9.6 min 

23 Flocculation unit calculation;
Volume = Length x width x depth = 1.5 x 2.5 x 4.5 = m3 HRT= Volume / Q = ( m3) / (120 m3/d x (d/24 hr)) = hr Sedimentation Unit calculations; HRT= Volume / Q = (47.7 m3) / (120 m3/d x (d/24 hr) )= 9.54 hr

24 References fs/library?l=/bref_chlor_alkali [Brien-White, 1995] [Ullmann’s, 1996] [Stenhammar] [Kirk-Othmer,1991] [Lindley, 1997]


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