ºÝºÝߣ

ºÝºÝߣShare a Scribd company logo
Technological Development from Biogas Plant to Anaerobic Digestion; Use of Logic Model to Develop a Poly System Supply Chain Management China Bio-Energy Technology & Investment Summit20th-21st May 2010Dr. Smarajit RoyDr Smarajit Roy (Neat U Loo)1
Aerobic DigestionBiogas collectionRemovable coverSealInletBiogasOverflow tankSlurryOutflowDr Smarajit Roy (Neat U Loo)2
Anaerobic Digestion ProcessCarbohydratesSugarsCarbonic Acids & AlceholsMethaneCarbon DioxideHydrogen Acetic & Carbon DioxideFatty AcidsFatsHydrogen Carbon Dioxide AmmoniaC6H12O6?-> 3CO2?+ 3CH4ProteinsAmino AcidsHydrolysisAcetogenesisMethanogenesisAcidogenesisDr Smarajit Roy (Neat U Loo)3
Anacis Island Wastewater Treatment Plant Dr Smarajit Roy (Neat U Loo)4
EEH (Steam) Energy BalanceDr Smarajit Roy (Neat U Loo)stevebungay@monsal.co.uk,( 13th European Biosolids & Organic Resources Conference & Workshop.)5
6THERMAL HYDROLYSIS IMPACT ON POWER GENERATIONDewateringPasteurizationTransportDewateringTransportHydrolysis ¨C breaks down large molecules to improve digestion Dr Smarajit Roy (Neat U Loo)
Enhanced Enzymic HydrolysisDr Smarajit Roy (Neat U Loo)7
Enhanced EnzymicHydrolyis(Steam Heating) Flow SheetDr Smarajit Roy (Neat U Loo)8
Thermal HydroCambi¡¯sThermal Hydrolysis  Plant (THP)Black & Veatch Contracting UK installed plant at Celtic Anglian Water (CAW)Dr Smarajit Roy (Neat U Loo)9
Cambi¡¯s Largest Thermal Hydrolysis Plant  ?75M sludge treatment contractPlant will process biosolidswhich can be applied to land as fertilizerHeat & Power Plant to generate up to 10 MegaWatts of ElectricityUK has set target of 15% of energy supplied by the national grid to come from renewable?sources by 2020Plant expected to handle around 91,000 tonnes of dry solids per yearDigestion Plant will serve a population of 3M peopleDr Smarajit Roy (Neat U Loo)10
Bran Sands, Tees Valley, EnglandÓ¢¹ú, (44 MGD + 68 MGD imports) 36,000 tonnes DS/year
Digester loading up to 6 kg VS/m3/ day (2-3 x conventional digestion)
10-12% DS feed to digesters
>60 % VS reduction
5.6 MW electricity generation
>30% dry solids Class A cakeCourtesy of Dr Smarajit Roy (Neat U Loo)11

More Related Content

China Bio Tech Summit Dr Roy V1.0

  • 1. Technological Development from Biogas Plant to Anaerobic Digestion; Use of Logic Model to Develop a Poly System Supply Chain Management China Bio-Energy Technology & Investment Summit20th-21st May 2010Dr. Smarajit RoyDr Smarajit Roy (Neat U Loo)1
  • 2. Aerobic DigestionBiogas collectionRemovable coverSealInletBiogasOverflow tankSlurryOutflowDr Smarajit Roy (Neat U Loo)2
  • 3. Anaerobic Digestion ProcessCarbohydratesSugarsCarbonic Acids & AlceholsMethaneCarbon DioxideHydrogen Acetic & Carbon DioxideFatty AcidsFatsHydrogen Carbon Dioxide AmmoniaC6H12O6?-> 3CO2?+ 3CH4ProteinsAmino AcidsHydrolysisAcetogenesisMethanogenesisAcidogenesisDr Smarajit Roy (Neat U Loo)3
  • 4. Anacis Island Wastewater Treatment Plant Dr Smarajit Roy (Neat U Loo)4
  • 5. EEH (Steam) Energy BalanceDr Smarajit Roy (Neat U Loo)stevebungay@monsal.co.uk,( 13th European Biosolids & Organic Resources Conference & Workshop.)5
  • 6. 6THERMAL HYDROLYSIS IMPACT ON POWER GENERATIONDewateringPasteurizationTransportDewateringTransportHydrolysis ¨C breaks down large molecules to improve digestion Dr Smarajit Roy (Neat U Loo)
  • 7. Enhanced Enzymic HydrolysisDr Smarajit Roy (Neat U Loo)7
  • 8. Enhanced EnzymicHydrolyis(Steam Heating) Flow SheetDr Smarajit Roy (Neat U Loo)8
  • 9. Thermal HydroCambi¡¯sThermal Hydrolysis Plant (THP)Black & Veatch Contracting UK installed plant at Celtic Anglian Water (CAW)Dr Smarajit Roy (Neat U Loo)9
  • 10. Cambi¡¯s Largest Thermal Hydrolysis Plant ?75M sludge treatment contractPlant will process biosolidswhich can be applied to land as fertilizerHeat & Power Plant to generate up to 10 MegaWatts of ElectricityUK has set target of 15% of energy supplied by the national grid to come from renewable?sources by 2020Plant expected to handle around 91,000 tonnes of dry solids per yearDigestion Plant will serve a population of 3M peopleDr Smarajit Roy (Neat U Loo)10
  • 11. Bran Sands, Tees Valley, EnglandÓ¢¹ú, (44 MGD + 68 MGD imports) 36,000 tonnes DS/year
  • 12. Digester loading up to 6 kg VS/m3/ day (2-3 x conventional digestion)
  • 13. 10-12% DS feed to digesters
  • 14. >60 % VS reduction
  • 15. 5.6 MW electricity generation
  • 16. >30% dry solids Class A cakeCourtesy of Dr Smarajit Roy (Neat U Loo)11
  • 17. Cogeneration ¨C Energy Balance, ExampleÈȵçÁª²ú¡ªÄÜÁ¿Æ½ºâ¾ÙÀý12,000 metric tons dry solids/year£¬ 80% volatile solids content.´¦ÀíÄÜÁ¦Ã¿Äê12000 ¶Ö¸ÉÖعÌÌ壬 VS% Ϊ80% Heat lossÈÈËðʧ* 544 kWBiogas to engine3970 kWElectricity²úµç1584 kWBiogasÕÓÆø - 4114 kWCooling waterÀäÈ´Ë®894 kWHot water to ÈÈË®HVAC 714 kWHot Water** 136 kWThermal HydrolysisÈÈË®½â1032 kWHot water toÈÈË® HVAC 743 kWSteam from exhaustÈÈβÆø²úÕôÆû 948 kWWarm sludgeÈÈÎÛÄà 489 kWBiogas to steam boiler ÕÓÆø¹©ÕôÆû¹ø¯144 kWDr Smarajit Roy (Neat U Loo)12
  • 18. WHY USE CAMBI THERMAL HYDROLYSIS?Ϊʲô²ÉÓÃË®ÈȽâTHP¼¼ÊõÌá¸ßÕÓÆø²úÁ¿¸ßÆ·ÖÊÉúÎï¹ÌÌå·ÊÁÏÌá¸ßÏû»¯²úÂÊÌá¸ßÄÜЧºÍ·â±ÕÏû¶¾THPÏû»¯ ´«Í³Ïû»¯Dr Smarajit Roy (Neat U Loo)13
  • 19. ¡°Neat U Loo¡± Process FlowDr Smarajit Roy (Neat U Loo)14
  • 20. Dr Smarajit Roy (Neat U Loo)Tripartite Partnership15
  • 21. Parallel System Water Main (In & Out)Dr Smarajit Roy (Neat U Loo)PumpWater MainsHOUSEPLANTDrinking Water TankToilet Water TankFilter Inorganic SolidsUrine Separating Decentralised MainToiletBathKitchen Nitrogen + PhosphorousSludge Holding TankDecentralised Anaerobic Treatment PlantSoil ConditioningWaste Water SeaCombined Heat & Power (CHP) PlantFertilizerWaste Water Waste Water 16