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SUMMARY:Cutting Carbon by 20% for Free? A case study in the cement industr
 y - Daniel Summerbell
DTSTART:20151027T203000Z
DTEND:20151027T210000Z
UID:TALK62148@talks.cam.ac.uk
CONTACT:Paulina Rowicka
DESCRIPTION:The cement industry is responsible for between 5% to 8% of man
 -made greenhouse gas emissions. This is a result of the high energy intens
 ity of the process\, significant CO2 release from the raw materials used\,
  and large global consumption. It is also a high growth sector as developi
 ng countries build a modern infrastructure. \n\nMy research so far has con
 centrated on the day-to-day performance variation of an individual cement 
 plant.\nThis operational variation is not included in current roadmaps for
  reduction of cement industry CO2 emissions\, but has the advantage of bei
 ng cost neutral\, or even saving money for cement producing companies. Sca
 led to the global level\, the variation observed at this plant represents 
 a potential for improvement of up to 100MTCO2e per year – the equivalent
  of taking 21 million cars off the road.\n\nTwo mathematical models were u
 sed\, first to examine the energy balance of the plant and then to predict
  CO2 emissions from given input conditions. The largest source of energy c
 onsumption was the dissociation energy required to form clinker\, however\
 , its variation was small. Airflow and fuel type were found to dominate th
 e variation of performance. Optimising the factors affecting performance w
 as predicted to reduce energy consumption by 8.5% and CO2 emissions by 19.
 5% - results similar to levels observed on the factory’s best-performing
  days.\n\nThe next steps of the research will involve investigating other 
 factories to assess the applicability of the result more broadly\, and fin
 ding ways to work with industry to implement some of the research findings
 . \n
LOCATION:Senior Parlour\, Gonville and Caius College
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