Trans Thane Creek Industrial Area Navi Mumbai Maharashtra

Trans Thane Creek Industrial Area, Navi Mumbai, Maharashtra. Shri. Bharat Nimbarthe 05 June 2021 Regional Officer , MPCB Navi Mumbai

General Information –T. T. C. Inds. Area Total Area 2560 Hectares Length 20 km. Width 2 km Water Source Maharashtra Industries Development Corporation (M. I. D. C) Total Industries Approx. 3500 05 June 2021

GENERAL INFORMATION : TTC INDL. AREA Type of Industries Large Scale Inds. Medium Scale Inds. Small Scale Inds. Water Consumption 40 MLD Effluent Received at Inlet of C. E. T. P. 26 MLD (65 % on water consumption) 05 June 2021

TTC INDUSTRIAL AREA AND CETP LOCATION CETP 05 June 2021

ORGANISATION : SET-UP CETP REGISTRATION : Under Sec. 25 of Companies Act Chairman Board of Directors Finance Staff 05 June 2021 Administration Staff Technical Staff

CETP MEMBER DETAILS Small Scale Industries User Members 579 Nos Medium /Large Scale Industries User Members 91 Nos. Total C. E. T. P. User Members 670 Nos. Associate Members Non User Member 2582 Nos. Total C. E. T. P. Members 05 June 2021 3252 Nos.

TECHNOLOGY – PROCESS DETAILS TREATMENT TECHNOLOGY: Extended Aeration Activated Sludge Process MODE OF RECEIVING EFFLUENT IN CETP: Underground drainage pipeline network FINAL DISCHARGE POINT: Trans Thane Creek : Through underground pipeline SLUDGE DISPOSAL: Member of Hazardous Waste Management Facility 05 June 2021

Effluent Transfer Network System W Block (Part) R Block W Block (Part) C RABALE Node Block A Block PAWANE collection & pumping station SANPADA Node For further treatment D Block 05 June 2021

Screen & Grit Equalization & Inlet Poly tank PAC tank Inlet chamber Neutralization tank Filtrate sump Nutrient tank Flash mixer Clariflocculator Sludge drying beds Thickener Decanter Clarifier To TTCWMA Disposal to 05 June 2021 Trans Thane Creek Sludg e sump Aeration tank

TECHNOLOGY – PROCESS DETAILS Total Capacity : 27000 Cu. M / Day Capacity Project Start Up Project Commissioned Project Cost 05 June 2021 12 MLD 15 MLD 1994 2002 March 1997 March 2006 4. 00 Crs. 8. 50 Crs.

STAGE – 1 EQUALISATION & NEUTRALISATION 5 – 6 % REDUCTION IN BOD & COD ACHIEVED AFTER EQUALISATION 05 June 2021

STAGE – 2 CLARIFLOCCULATION 80 – 85 % REDUCTION IN TOTAL SUSPENDED SOLIDS 20 – 30 % REDUCTION IN COD & BOD LOAD 05 June 2021

STAGE – 3 BIOLOGICAL SYSTEM 90 – 95 % REDUCTION IN BOD LOAD 70 – 80 % REDUCTION IN COD LOAD 05 June 2021

DESIGN, INLET AND OUTLET CHARACTERISTICS Inlet Outlet Characteristics cs Parameters Design Characteristics p. H 3. 0 – 6. 6 5. 5 – 7. 5 7. 0 – 7. 5 5. 5 – 9. 0 COD mg/l 2600 1200 – 1000 180 – 240 250 BOD mg/l 1000 400 – 900 10 – 50 100 TSS mg/l 340 100 – 300 25 – 75 100 O & G mg/l 170 25 – 75 <5 10 05 June 2021 Discharge Limits

AVERAGE ANALYSIS REPORT OF TREATED EFFLUENT OF CETP PARAMETERS p. H BOD COD S. S. O &G. Standard 5. 5 - 9. 0 100 mg/L 250 mg/L 10 mg/L 2004 7. 16 50 150 60 Nil 2005 7. 33 65 165 65 2. 00 2006 7. 15 55 150 50 Nil 2007 6. 55 55 145 30 1. 65 2008 6. 24 45 130 40 0. 35 2009 6. 91 30 125 30 1. 35 05 June 2021

C O D B O D 05 June 2021

Achievements due to CETP BETTER INDUSTRIAL GROWTH FULLFLEDGED TREATMENT FACILITY TO INDUSTRIAL EFFLUENTS GENERATED FROM SSI UNITS HYDRULIC LOAD HANDLING FACILITY TO INDUSTRIAL TREATED EFFLUENTS DISCHARGED FROM MSI/LSI UNITS 05 June 2021

Advantages due to CETP SINGLE FINAL DISCHARGE POINT IN TRANS THANE CREEK 05 June 2021

CHARGING PATTERN TYPE OF INDUSTRY SSI MSI/LSI ASSOCIATE MEMBERS Fixed Cost Rs. 550/- Rs. 7750/- NIL Rs. 6. 50 /- Rs. 2. 60 /- NIL Rs. 7. 20 /- NIL Hydraulic Cost per Cu. M Organic Cost per kg of COD >250 mg/L 05 June 2021

MONITORING METHDOLOGY ALL USER MEMBERS BOUND WITH TRIPARTITE AGREEMENT SSI UNITS = MANDATORY : PRIMARY TREATMENT MSI/LSI UNITS = MANDATORY : PRIMARY & SECONDARY TREATMENT SSI UNITS : PERIODIC VIGILANCE MSI/LSI UNITS : 3 TIMES SAMPLING PER MONTH 05 June 2021

OPERATIONAL EXPERIENCE L FLUCTUATIONS IN p. H AND HIGH ORGANIC LOAD IN TERMS OF COD AND BOD AT THE INLET J INCREASED FREQUENCY OF MONITORING OF INDIVIDUAL UNIT L FAILURE OF ELECTRICAL SUPPLY J ADDITIONAL ELECTRICAL FEEDER & DIESEL GENERATOR L FAILURE OF MECHANICAL EQUIPMENTS J STANDBY PUMPS AND MOTORS 05 June 2021

TECHNOLOGICAL UPGRADATIONS C Use of Caustic Lye in place of Lime as Neutralizing agent. ( Reduced Sludge) C Use of combination of Poly Aluminium Chloride & Polyelectrolyte for flocculation in place of Alum. (Increased efficiency) C Arrangement for dosing of PAC by gravity. (Power, Manpower Savings and elimination of equipment – 100% saving) 05 June 2021

TECHNOLOGICAL UPGRADATIONS C C C Providing PP liners on the columns of Aeration tank (Elimination of Erosion ) Energy Conservation and Audit. (20 – 25% reduction in power bill) Successful Installation of Online TOC Analyser ( Studying TOC results for Treated Effluent) C Installation of Centrifuge-Decanter. (Faster drying & better handling of sludge) 05 June 2021

TROUBLE FREE OPERATIONS ü Predictive and periodic maintenance of all equipments ü Dilution effect Hydraulic Load % Organic Load % ü LSI / MSI 65 SSI 35 35 65 Support and discipline by user members 05 June 2021

TROUBLE FREE OPERATIONS ü Commitment and involvement of board directors ü Technically qualified and well experienced staff ü Up gradation of skills and knowledge of staff ü Participation in training programs, workshops, conferences etc. 05 June 2021

FUTURE PLANS ÿ ÿ Pilot plant operational studies to reuse / recycle treated effluent through Pre-tertiary treatment. Pilot plant for anaerobic treatment technology to tackle the effluent streams of high organic load. Pilot plant of anaerobic treatment technology for biological sludge. Increasing primary treatment capacity by new equalization tank to augment CETP capacity. 05 June 2021

SUPPORT TO SOCIETY Conducting in plant training programmes for various academic institutions. Improving awareness of environment among students and professionals from all disciplines Helping other CETPs and industrial ETPs in solving their operational problems. Helping industry to save by using their waste – using it as flocculating agent (PAC). Well equipped laboratory facilities made available to student community 05 June 2021

n Proper support & guidelines provided by MPCB help in successful & trouble free operation of CETP 05 June 2021

05 June 2021

THANK YOU COMMITTED TO CLEANER ENVIRONMENT 05 June 2021