WASTE MANAGEMENT IN LEATHER INDUSTRY

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81 94elevation and treatment processes are applied, which is different form other kindsof water. In the first facility, no treatment process is applied in the activity area,considering the characteristics of the process water in the facility, this water isdischarged to sewer system after being elevated to the pre-treatment facilitythrough three separate canals.In the second facility, there is a pre-treatment facility in the activity area. In both facilities, discharge to the sewer system is carried out in accordancewith the Regulations for the Control of Water Pollution published in the OfficialGazette No 25687 dated 31 December 2004. Discharging limits betweenCompanies and Limit of Regulation in Turkey is given Table 9.6. In terms of the parameters for discharge to receptive environment statedin the Regulations for the Control of Water Pollution, it is observed that the outputparameters are in accordance with the Regulations when the two facilities arecompared.
82 95Table 9.6 Discharging limits between Compaines and Limit of Regulation in TurkeyParameters(mg/l)Company A Company B Regulation of TurkeyCompositeSample For2 hoursCOD ~ 250 168 300 200CompositeSample For24 hoursSSM 47 125 -TKN 5- 10 7.5 20 .15Oil/Grease 30- 1 6.8 30 20S 0.002 < 0.1 2 1TotalChrome0. 22- 0. 25 0.2 3 2pH 7. 7 7. 76 6- 9 6- 9
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1DOKUZ EYLUL UNIVERSITYGRADUATE SCH
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4ACKNOWLEDGMENTSI thank my advisor
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6Keywords: Leather, treatment, tann
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8toplanarak, bertaraf edilmektedir.
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103.1.2.4 Draining, Samming, and Se
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126.1 Mechanical Treatment….…
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14CHAPTER ONEINTRODUCTIONToday leat
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163CHAPTER TWOLEATHER PRODUCTION2.1
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18 5In year 2005, a total of 65 mil
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20 73.1.1.2 Fleshing and Trimming(E
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22 9specifically treated, however,
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11 24weak alkalis (e. g. Sodium or
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13 26Figure 3.1 An overview on the
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15 284.1.3 (Wet) Finishing Chemical
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30Table 4.1 Major, Moderate and Pot
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32 19Where effluent is discharged d
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34 21If the wastewater is to be dis
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36 23In order to assess an effluent
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25 382. The nitrogen released throu
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27 40This bacteria conversion to hy
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29 42Municipal and common treatment
Page 44 and 45: 31 445.1.11 Air Emissions(The Leath
Page 46 and 47: 33 46• Recover energy from the dr
Page 48 and 49: 35 48Coagulation and flocculation a
Page 50 and 51: 37 506.2.3 Facultative PondsPonds i
Page 52 and 53: 39 52whilst the sludge-water mixtur
Page 54 and 55: 4154Denitrification(2):6NO3 + 2 CH3
Page 56 and 57: 43 566.5 Environmentally Clean Tech
Page 58 and 59: 45 586.5.1 High Exhaustion(Blackman
Page 60 and 61: 47 60South America and France. [Off
Page 62 and 63: 62CHAPTER SEVENENVIRONMENTAL IMPACT
Page 64 and 65: 64CHAPTER EIGHTMASS BALANCE OF LEAT
Page 66 and 67: 53 66Table 8.1 Assumption for mass
Page 68 and 69: 55 68For this reason both possibili
Page 70 and 71: 57 70Table 8.3 Composition of flesh
Page 72 and 73: 59 72At the end of chrome tanning,
Page 74 and 75: 61 74collagen; 262water; 836collage
Page 76 and 77: 63 76shown in Annex II. A typical m
Page 78 and 79: 65 78collagen; 119Cr tannin; 12wate
Page 80 and 81: 67 80finishing is shown in Figures
Page 82 and 83: 82CHAPTER NINEFACILITIES9.1 Izmir M
Page 84 and 85: 71 84Secretariat of Customs, (dated
Page 86 and 87: 73 86The measured parameters of the
Page 88 and 89: 75 889.3 Company B9.3.1 History of
Page 90 and 91: 77 90in sulfur oxidation pond flow
Page 92 and 93: 792Tablo 9.5 General information ab
Page 96 and 97: 96CHAPTER TENCONCLUSIONNowadays, th
Page 98 and 99: 8598In both facilities, for the con
Page 100 and 101: 87100Langlais, R., J., Sayers, R.,
Page 102 and 103: 102APPENDICESAPPENDIX IRegulation o
Page 104 and 105: 91 104b) Small wastewater sources a
Page 106 and 107: 93 106CHAPTER TWOPrinciplesPrincipl
Page 108 and 109: 95 108b) Beverage industry sector;
Page 110 and 111: 97 110relevant administration takin
Page 112 and 113: 112APPENDIX IIBEAMHOUSEBasis: salts
Page 114 and 115: 114TANNINGPickling 50 % H2O 0. 55 m
Page 116 and 117: 116Washing 400 % H2O 0. 35 m³Retan
Page 118: 118solids 2. 0 kg 1. 7 kgTop spray
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WASTE MANAGEMENT IN LEATHER INDUSTRY

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