Leather/Skin/Hide Processing Industry - Environmental Clearance

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Leather / Skin / Hide Processing Industry (Tannery)Pollutant Concentration in mg/l, except pH Quantum per rawhide processedWastewater generation - 28 m 3 / tonne* for effluent discharged into inland surface waters BOD limit shall be made stricter to 30 mg/lby the concerned SPCBSource: EPA Notification [G.S.R.415 (E), 5th May 1992]3.5.3 Pending and proposed regulatory requirementsAction points proposed by the CPCB in the CREP document for the tannery industries forthe following:Chrome Recovery− All chrome tanning units in the county should have the Chrome Recovery Planteither on individual basis or on collective basis in the form of Common ChromeRecovery Plant and use the recovered chrome in the tanning process.− Common Chrome Recovery Plant is to be installed and commissioned at Kanpur,for which the feasibility report has already been prepared.− Recovered chromium is to be utilized in tanning process.Waste Minimization Measures− Waste minimization circles should be formed in all the clusters of tanneries in thecountry to implement waste minimization measures and for adoption of cleantechnologies.− Efforts should be taken to implement the waste minimization measures in all thetanneries in the country and gradually made obligatory with time to the tanneryunitsReduction of Water Consumption in Tanneries− All tanneries should install water meters and flow meters to measure actualconsumption and wastewater discharge− Water consumption rates should be brought down to 28 m 3 /tonnes of hides bytaking all waste minimization measures.Compliance of Standards - All Common Effluent Treatment Plants (CETP) andEffluent Treatment Plants (ETP) should take the following measures− Employ qualified and well-trained staff for operation and maintenance (O&M) ofthe ETP/CETPs− Installation of automatic monitoring instruments− Interlocking of manufacturing processes with the ETP operation− Separate energy meters for ETPs/CETPs− Open anaerobic lagoons should be converted into closed systems with gas recovery− For health and safety of workers in the industry and the ETP/CETP, guidelinesdeveloped by the CPCB should be implemented− All major tannery units should take up environmental auditing on an yearly basis− Major tannery units and CETPs should attempt to obtain ISO-14000 certification− Tannery units and CETP management should take up modifications/ upgrade of theCETPs/ETPs wherever necessaryTGM for Tanneries August 20103-28
Leather / Skin / Hide Processing Industry (Tannery)TDS Management - All the tannery units to adopt the following:− Manual/mechanical desalting− Use of cleaner technology for less use of salt− Refrigerated transportation of hides− High rate transpiration system for effluent treatment− Treated wastewater be mixed with the sewage and the treated effluent be used onland for irrigationSolid Waste Management - All the tannery units to adopt the following:− Utilization of process sludge/solid waste for by-product recovery− Resource recovery from process sludge and ETP sludge in the form of biogas− Cr recovery from tanned leather shavings− Safe disposal of hazardous sludge and non-hazardous solid wasteSalt from Evaporation Ponds - All the tannery units to adopt the following:− Reuse of recovered salts− Quality improvement of recovered salts for reuse− Safe land disposal− Sea disposalUse of Boron-bearing compounds should be discouragedGround water quality monitoring to be strengthenedSulphur recovery from sulphide-bearing effluents to be exploredImplementation of recommendation of the Task Force on Leather Tannery unitsconstituted by the MoEF, Government of India in a phased manner.TGM for Tanneries August 20103-29
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FORPrepared forGovernment of India
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Table of Contents3.5.2 Tannery effl
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Table of ContentsLIST OF FIGURESFig
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AcronymsIUEkglLDARLCALTLm 2mg/m³mg
Page 12 and 13: protocol/ related regulations/ and
Page 14 and 15: IntroductionOperational issues1.1 P
Page 16 and 17: Introductionfor 27 industrial and r
Page 18 and 19: Conceptual Facets of EIA2.2 Polluti
Page 20 and 21: Conceptual Facets of EIABench marki
Page 22 and 23: Conceptual Facets of EIAproduct aft
Page 24 and 25: Conceptual Facets of EIA2.3.2.8 4-R
Page 26 and 27: Conceptual Facets of EIAR&D activit
Page 28 and 29: Conceptual Facets of EIAProject lev
Page 30 and 31: Conceptual Facets of EIAThis practi
Page 32 and 33: Conceptual Facets of EIAother effec
Page 34 and 35: Conceptual Facets of EIApractitione
Page 36 and 37: Leather / Skin / Hide Processing In
Page 64 and 65: 4.OPERATIONAL ASPECTS OF EIAPrior e
Page 66 and 67: Operational Aspects of EIAFigure 4-
Page 68 and 69: Operational Aspects of EIA4.2 Scree
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Page 72 and 73: Operational Aspects of EIA−−−
Page 74 and 75: Operational Aspects of EIAfor furth
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Page 78 and 79: Operational Aspects of EIAPHASE IPR
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Page 84 and 85: Operational Aspects of EIAFigure 4-
Page 86 and 87: Operational Aspects of EIA4.4.2.3 B
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Page 96 and 97: Operational Aspects of EIABiologica
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Page 100 and 101: Operational Aspects of EIAConcerned
Page 102 and 103: Operational Aspects of EIAFinal EIA
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Page 106 and 107: 5.STAKEHOLDERS’ ROLES ANDRESPONSI
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Stakeholders’ Roles and Responsib
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Stakeholders’ Roles and Responsib
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ANNEXURE IGeneral Standards for Dis
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18. Hexavalent chromium (as Cr+6) m
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2. The user should make efforts to
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ANNEXURE IIForm 1 (Application for
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1.6 Demolition works?1.7 Temporary
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3. Use, storage, transport, handlin
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5.6 Emissions from incineration of
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9. Factors which should be consider
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ANNEXURE IIICritically Polluted Ind
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8 Vellore (North Arcot) (TamilNadu)
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31 Pali (Rajasthan)CEPI-73.73 (As_W
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TYPES OF MONITORING AND NETWORK DES
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knowledge of the sources of the pro
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GUIDANCE FOR ASSESSMENT OF BASELINE
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AttributesSamplingMeasurement Metho
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AttributesSamplingMeasurement Metho
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ANNEXURE VISources of Secondary Dat
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Information8. Nature of Terrain, to
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Annexure IVB: Summary of Available
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13. Department of Ocean Development
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19. Indian Meteorology Department S
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32. National Botanical Research Ins
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ANNEXURE VIIForm through which the
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ANNEXURE VIIIComposition of EAC/SEA
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I)Primary treatment is the first st
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compounds degraded in step 1) and t
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New Machineries:These are a few pho
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REFERENCESMinistry of Environment a
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IL&FS Ecosmart LimitedFlat # 408, S
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