Thermax
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Thermax

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Thermax Thermax Presentation Transcript

  • A WARM WELCOME WATER & WASTE M’GMT BY THERMAX
  • THERMAX LTD . COGENERATION STEAM BOILERS HEAT RECOVERY PROCESS HEATING PROCESS COOLING AIR POLLUTION CONTROL WATER & WASTE SOLUTIONS INCINERATION CHEMICALS FOR WATER / FUELS THERMAX offers SINGLE POINT SOLUTIONS ! In ENERGY & ENVIRONMENT
  • A Typical Water Circuit Diagrram SEWAGE WATER TREATMENT AT HOMES OFFICES etc. MUNICIPAL TREATMENT DRINKING WATER Boiler Blowdown. BOILER FEED WATER Process Condensate PROCESS WATER C.T. Blowdown COOLING WATER INDUSTRIAL WATER WATER SOURCE EFFLUENT TREATMENT PLANT DISCHARGE / REUSE
  • Integration-Today’s- Need WATER SOURCE BOILER COOLING PROCESS DOMESTIC BLOW DOWNS CONDENSATE EFFLUENT RECYCLE SEWAGE
  • Integrated - Total Water Management Capability EFFLUENT TREATMENT EFFLUENT RECYCLE PLANT
  • Present requirements of a typical Process Industry
    • Raw Water Pre Treatment Package.
    • D e-Mineralised Plant Package
    • R everse O smosis + M ixed B ed Package
    • Cooling Water Side Stream Filtration &Chemical Dozing Systems
    • Condensate Polishing treatment Plant.
    • Waste w ater Treatment Plant.
    • Recycle using RO etc.
    • Revamp / Retrofit / Augmentation of existing systems
  • GOOD HOUSE-KEEPING PURIFICATION WASTE / CHEMICAL REUSE / SALE WATER RECYCLE POLLUTION ABATEMENT PURIFICATION WATER RECYCLE RESOURCE RECOVERY Our Approach…………. efuse educe euse eclaim ecycle R
  • WASTE WASTE FRESH WATER SOURCE
  • AVAILABLE OPTIONS UNTREATED DISPOSAL SEPTIC TANK SEWER LINE
  • WHY TREAT WASTE WATER ? ? ?
    • Rapid Growth In Population.
    • Limited Water Resources / Rising Cost Of Water.
    • Infrastructure Ill Equipped To Support Burgeoning Demand.
    • Untreated Water Finds Its Way To The Rivers …… Rivers Getting Polluted.
  • WHY TREAT WASTE WATER ? ? ?
    • Presence Of Disease Causing Micro-Organisms.
    • Upstream & Downstream Independence.
    • For Recycle & Reuse
  • DISPOSAL pH : 6 - 7 BOD : < 30 COD : < 250 TSS : < 100 O & G : < 10 Physical Treatment Screening, Oil & Grease Removal Biological Treatment TREATMENT STAGES REUSE pH : 6 - 7 BOD : < 20 COD : < 200 TSS : < 30 O & G : < 10 TERTIARY TREATMENT SEWAGE pH : 6 - 7 BOD : 250 COD : 400 TSS : 100 O&G : 10 PRIMARY TREATMENT SEC. TREATMENT
  • TYPICAL SEWAGE TREATMENT SYSTEM DISPOSAL SCREENING RECEIVING SUMP BIOLOGICAL TMT. CHLORINATION FILTERATION REUSE RAW SEWAGE COMMON COMMON
  • A) SCREENING RAW SEWAGE RAW SEWAGE SCREEN OBJECTIVE TO TRAP FLOATABLES IF ANY
  • B) RECEIVING SUMP
    • Dampens / absorbs fluctuations.
    • Homogenizes effluent.
    • Uniform feed to biological system
  • B) RECEIVING SUMP V V V V V V V RAW SEWAGE BAR SCREEN CHAMBER HDPE AIR GRID RECEIVING SUMP AIR BLOWER M M FEED PUMPS
  • BIOLOGICAL TREATMENT
  • EVOLUTION OF TECHNOLOGY
    • Stabilization Ponds
    • Anaerobic Systems (UASB/AF etc.)
    • Aerobic Processes
      • Suspended Growth : (ASP & Variants)
      • Attached Growth Processes
        • Trickling Filter
        • SAFF Reactor - Pioneered, 30 Installations
        • FAB Reactor
  • WASTE WATER CONTAINING CONTAMINANTS BACTERIA HARMLESS END PRODUCTS CO2 + H2O + NEW BACTERIA CH4 + H2O + NEW BACTERIA PRESENCE OF O2 ABSENCE OF O2 AEROBIC ANAEROBIC THE PROCESS
  • AEROBIC PROCESSES SUSPENDED GROWTH ATTACHED GROWTH
    • Activated Sludge Process
    • Aerated Lagoons
    • Trickling Filters
    • Rotating Biological
    • Contactors
    • SAFF Reactor
    • FAB Reactor
  • CONVENTIONAL PROCESS ACTIVATED SLUDGE PROCESS F / M : FOOD TO MICRO-ORGANISM RATIO M.L.S.S. : MIXED LIQUOR SUSPENDED SOLIDS RECYCLED SLUDGE SETTLING TANK AERATION TANK AERATORS TREATED EFFLUENT AFTER PRIMARY TMT. SLUDGE FOR TREATMENT / DISPOSAL F / M ? M . L . S . S . ? DISSOLVED OXYGEN ? PUMPING COST RECYCLED SLUDGE % ?
  • STRINGENT AERATOR DESIGNS OPTIMAL TANK DESIGN SUSTAINED BACTERIAL POPULATION
    • For Efficient Oxygen Transfer
    • For Completely Mixed Conditions
    • For Desired Retention Times
    • For Avoiding Dead Zones
    • For Achieving Treatment
    • Efficiencies
    ASP - SALIENT FEATURES
  • SLUDGE RECYCLE RATIO SUSTAIN DISSOLVED OXYGEN LEVEL UNINTERRUPTED POWER SUPPLY
    • For Sustaining Microbial Strength
    • For Maintaining Aerobic Condition
    • For Preventing Septic Conditions
    ASP - SALIENT FEATURES
    • Large Foot Print Area Required
    • Continuous Monitoring
    • Requires Un-interrupted Power Supply.
    • Large No. Of Moving Equipment
    ASP - DRAWBACKS
  • CONVENTIONAL PROCESS
  • REACTOR THERMAX INTRODUCES The New Generation Sewage Treatment plants F A B
  • LUIDIZED EROBIC IO F A B REACTOR
  • FAB . . . .
    • Works on the principles of attached growth process.
    • Media supports the biomass.
    • Media is in suspension - Specific gravity < water.
    • Media fluidization - by virtue of hydraulic currents set by aeration.
    • Media has high specific surface area, typically 400 - 500 M 2 / M 3 ).
  • TYPICAL FAB CONFIGURATION
  • FAB REACTORS TUBE SETTLER TREATED WATER OUTLET AIR BLOWER AIR LINE SLUDGE OUTLET SEWAGE INLET TO FAB
  • Essential Components of FAB Reactor V V V V V FAB REACTOR RAW SEWAGE AIR DISTRIBUTION GRID AIR INLET PIPING SPECIALLY DEVELOPED CARRIER ELEMENTS EFFLUENT OUTLET SYSTEM TREATED SEWAGE
  • 16 mm 20 mm THE CARRIER MEDIA
  • THE CARRIER MEDIA
  • TUBE SETTLER SCREENING RAW SEWAGE M M REACTOR - I REACTOR - II AIR BLOWERS AIR DIFFUSERS FLOATING MEDIA FAB REACTOR BASED TREATMENT SYSTEM SLUDGE DRYING BEDS SLUDGE DMF ACF CHLORINATION DISPOSAL REUSE V V V V V V V V V V V V
  • FEATURES A) TWO REACTORS IN SERIES FROM PRIMARY FAB REACTOR-I FAB REACTOR-II
  • FEATURES B) NO SHORT CIRCUITING SEWAGE INLET SEWAGE OUTLET
  • FEATURES C) COUNTER CURRENT FLOW AIR DISTRIBUTION GRID V V V V SEWAGE INLET SEWAGE AIR
  • FEATURES D) ENHANCED OXYGEN TRANSFER V V V V V V V V REACTOR WITHOUT CARRIER ELEMENTS REACTOR WITH CARRIER ELEMENTS AIR BUBBLES
  • FEATURES E) SUBSTANTIAL REDUCTION IN AREA REQD. AREA REQD. BY CONVENTIONAL PROCESS AREA REQD. FOR FAB REACTOR
  • FEATURES F) NO SLUDGE RECYCLING TUBE SETTLER FAB REACTOR-I FAB REACTOR-II
  • FEATURES G) MODULAR STRUCTURE FUTURE EXPANSIONS PRESENT SEWAGE GENERATION FAB REACTOR I FAB REACTOR II FAB I FAB II
  • FLEXIBILITY 25 m3 /d 42,000 m3 / d 4.5 m 6.0 m MS Epoxy / SS / FRP / RCC Centralized / Decentralized (Packaged) FLOW : HEIGHT : MOC : OPTIONS :
  • BOD BASED PERFORMANCE
  • COD BASED PERFORMANCE