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TEXTILE & WATER SECURITY MISSION RECYCLING/ZLD
-Girish Luthra, Chairman Gujarat Eco Textile Park & Gujarat Enviro Protection & Infrastructure Ltd.
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Rhyme of the Modern Processors
Water, water, everywhere, And all the brains did shrink, Nor any drop to drink
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About Indian Textile Industry
Indian textile industry contribute to 4 % of GDP Indian textile industry contribute to 27 % of foreign exchange earning. Processing (Next Five Years) Add. Proc. capacity built by : 47 bill Mts. Add.Capex (in ) : € 6 Billlion (Rs Crs)
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About Indian Textile Industry-Water
Approx. waste water volume of Indian textile industry = 3000 Million litre / Day. Most centers are water scarce. Water source of most center’s is ground water. Waste water recycling is very low Potential additional investment in water / waste water = Rs crore (€ 3.5 BILLION) Potential Annual T.O in water / Waste water = Rs crore (€ 1 BILLION) Possible daily fresh water saving= MLD
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Challenges in Indian processing industry (In relation to water & wastewater)
Availability of water / High water consumption Waste water treatment & Recycling Discharge of treated effluent (Brine) Disposal of solid waste generated during effluent treatment. Compliance of environment laws and international protocols. Inability to meet Pollution control norms & Zero Discharge. Legal intervention of court. Public Awareness
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Major Textile Processing Cluster
State, Area Effluent Load (in MLD) Gujarat Surat 600 A’bad 200 Jetpur 100 Rajasthan Jaipur 25/50 Bhilwara 50/75 Balotra-Jodhpur 75 Pali Punjab Ludhiana 150 State, Area Effluent Load (in MLD) Haryana Sonipet 50/75 Faridabad 50 Tamilnadu Tirupur / Coimbatore 300 Telangana Hyderabad 200 Maharshtra Bhiwandi/ Icchalkarnji 400
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Major Textile Processing Centers
A’bad Jetpur Surat Pali Balotra Jaipur Jodhpur Bhivandi Indore Kolkata Hyderabad Vishakhapatnam Faridabad Sonipat Panipat Amritsar Ludhiana Cuddalore Madurai Coimbatore Tirupur
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Water status
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Water status
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Eco Concept of Industry
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Cleaner Production
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Effluent Treatment /ZLD
CETP (As per legal requirement) - Equalisation: collection tank for pre mixing - Primary : phisio chem treatment & Sludge setting - Secondary : Biological Treatment - Discharge : After Treatment effluent discharge to river Recycling & ZLD Recycling (60 to 90 %) Tertiary: Final cleaning process for removal of inorganic substances before recycle. U F. Ultra filtration for removal of micro particles R.O.: With help Membranes removal of salt & other impurities from treated water. Reduce TDS Other technologies ZLD (Options) - Solar Drying : Solar PONDS used for evaporate Treated effluent - Mechanical Drying : Evaporate Treated effluent with electro mech. eqip. Marine Outfall : Non useable Treated effluent discharge to Sea
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Case studies Surat, Gujarat Balotra, Rajasthan
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Surat, Gujarat (Synthetics Textile Processing Centre)
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Surat, Gujarat (Synthetics Textile Processing Centre)
Present Water Scenario Total water consumption is approx. : MLD Water cost is ranging between : Rs 18/-Rs. 40 / KL ( € 0.25 to € 0.60) Ground water and river water are major sources of water Cont….
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Surat, Gujarat (Synthetics Textile Processing Centre)
Sr. No Parameters Unit Effluent Inlet Surface Discharge Industrial recycling water quality 1 pH - 6.5 – 9.0 5.5 – 9.0 6.5 – 8.5 2 BOD (3 C) MG/L 400 30 BDL 3 COD 1200 100 < 30 4 TDS 2100 < 500 5 Suspended Solids (SS) 280 6 Oil & Grease 10
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Case 1 – Present Status Basic Treatment
Effluent Inlet Coagulant, lime, polyelectrolyte dosing Clarifier with flash mixer Sludge Equalization Tank Secondary Clarifier Chemical Sludge to SLF Biological Sludge to composting Sludge Filter Press Discharge to River / Sea through surface
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Case 2- Recycling water factory Water recovery + Discharge of rejects in to Sea (Proposed)
Effluent Inlet Chemical dosing Clarifier with flash mixer Sludge Equalization Tank Secondary Clarifier Chemical Sludge to SLF Coagulant, lime, polyelectrolyte dosing Biological Sludge to composting Sludge Tertiary Reactor Clarifier Sand & Carbon Filter Filter Press Chemicals for UF cleaning Brine – Marine Outfall/ MEE Ultra Filtration Multistep RO Unit RO treated water Sump Recycled water to Industry RO Rejected water Sump Air Blowers Chemicals for RO cleaning
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RO & Marine outfall RO Plant Marine Outfall
Marine Out fall Discharge line Marine Outfall
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R O Reject Handling Drying / Salt recovery by multi effect evaporator
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Case study of Balotra- Cotton Textile Processing Centre (Local Locked Area)
Rajasthan Balotra
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Balotra, Rajasthan (Cotton Textile Processing Centre)
Present Water Scenario Balotra is a land locked area in Rajasthan Desert. 350 Process houses, mainly small process house, engaged in cotton dyeing, Printing and processing they are spread in 5 areas. Total water consumption is approx. : MLD Water cost is ranging between : Rs. 35 to 70/ KL (€ 0.50 to 1.0) Source of water is ground water. Cont….
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Balotra, Rajasthan (Cotton Textile Processing Centre)
Present Waste Water effluent Scenario No discharge of treated effluent to river, restriction by Court. No possibility of discharge into sea, as this is land locked area. So the left over has to be air dried / mechanically dried to evaporate water and salt has to be reused/ disposed. This area has high temperature and strong sun throughout the year. This is low rainfall area. Good for solar evaporation.
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Balotra, Rajasthan (Cotton Textile Processing Centre)
Sr. No Parameters Unit Effluent Inlet Surface Discharge Industrial recycling water quality 1 pH - 6.5 – 9.0 5.5 – 9.0 6.5 – 8.5 2 BOD (3 C) MG/L 700 30 BDL 3 COD 2400 100 < 30 4 TDS 20000 2100 < 500 5 Suspended Solids 800 6 Oil & Grease 10
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Recycling Water Factory + ZLD Balotra Flow chart with Recycling & ZLD
Effluent Inlet Chemical dosing Clarifier with flash mixer Sludge Equalization Tank Secondary Clarifier Chemical Sludge to SLF Coagulant, lime, polyelectrolyte dosing Biological Sludge to composting Sludge Tertiary Reactor Clarifier Sand & Carbon Filter Filter Press Chemicals for UF cleaning Ultra Filtration Multistep RO Unit RO treated water Sump Recycled water to Industry Salt Reuse Salt to MLF RO Rejected water Sump Solar Evaporation pond Air Blowers Chemicals for RO cleaning
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Solar evaporation pond with mechanical sprinkling
R O Reject Handling Solar evaporation pond with mechanical sprinkling R O Plant Solar evaporation pond with mechanical sprinkling Salt for reuse/MLF
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R O Reject Handling Solar evaporation pond with mechanical sprinkling
Rajasthan : High evaporation area High solar Radiation Low Rainfall Cheapest / Cost effective mode of Drying Sprinklers to enhance evaporation Salt recovery/usage possibilities Salt manufacturing plant as an option
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Municipal waste water potential
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Municipal waste recycling industrial water / Plantation green belt water
Top 150 cities of India : Population 300 Million Per capita waste water generation (Conservative) 30000 MLD (Mill. Lts / Day) (100 Lits / Day per person ) Capex Requirement € 18 Billion +pipelines Visit us : ,
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Business Opportunities
Cost effective water / waste water treatment / recycling technologies; Water frugal Technologies Disposal technologies of leftover concentered effluent. Marine outfall or drying or any other option for zero discharge. Quality control technology for water / waste water technologies. Reduction of specific water consumption per kg of textile processed (reduction at source). Cleaner Production technologies / Techniques Cluster based approach. Energy Efficiency.
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About GEPIL / GETP (Major Works)
Type of facility Some Location Eco Towns/ICHWTSDF Surat, Alang, Silvasa, Haryana, Panoli, Dahej,Tamilnadu Integrated MSW Management Surat, Vadodara, Durgapur, Nagpur, Rajkot, Salem, Sewage/ Common Effluent Treatment Plants Balotra, Palsana, Pali, Kosamba, Surat Integrated eco sustainable Industrial Parks Palsana, Vadadla, Kosamba. Waste Recycling Park Dahej Waste Mix Processing Facility Surat, Panoli, Silvasa, Haryana ,Ranipet, Telangana
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Thank You شكرا لك When you refuse to reuse, it's our earth to abuse
Visit us : ,
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