Abstract
The sugar industry plays a vital role in the world’s economy. It also affects the environment directly and indirectly; hence, greenhouse gas (GHG) emission estimation and energy savings in the sugar industry are very important. To improve the efficiency of the plant and analyze the life cycle energy usage and emissions from the sugar industry, a complete Life Cycle Assessment (LCA) is needed. A major portion of sugar is produced from sugarcane. Sugar is produced as the main consumable product; molasses and bagasse are byproducts and filter cake is a waste product. These byproducts and waste products are used again for different purposes. The capacity of sugar plants in the present study is 12,000 tons of cane per day in a sugar mill, 60 MW in a cogeneration power plant, and 270 kL per day in a distillery. The LCA mainly focuses on primary energy usage and its externalities. In this chapter, energy usage and GHG emissions from the sugar industry were obtained through an economic input-output model. A comparative analysis of GHG emission has also been carried out using a process chain analysis approach.
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Abbreviations
- BOP:
-
Balance of plant
- Cd:
-
Cadmium
- CH4 :
-
Methane
- CMU:
-
Carnegie Mellon University
- CO:
-
Carbon monoxide
- CO2 :
-
Carbon dioxide
- COD:
-
Chemical oxygen demand
- CW:
-
Circulating-water
- EIO:
-
Economic input-output
- EOT:
-
Electric overhead travelling crane
- E&M:
-
Electromechanical
- FCS:
-
Filtrate clarification system
- GHG:
-
Greenhouse gas
- Gm:
-
Gram
- GWP:
-
Global warming potential
- HT:
-
High tension
- I-O:
-
Input output
- IPCC:
-
International Panel on Climate Change
- ISO:
-
International standard organization
- Kg:
-
Kilogram
- kJ:
-
Kilojoules
- klpd:
-
Kiloliter per day
- kWh:
-
Kilowatt hour
- LCA:
-
Life cycle assessment
- LCIA:
-
Life cycle impact assessment
- LT:
-
Low tension
- MCC:
-
Motor control center
- MJ:
-
Megajoules
- MS:
-
Mild steel
- Mt:
-
Million tons
- MW:
-
Megawatts
- NOX :
-
Nitrogen oxide
- OC:
-
Oliver Campbell
- O&M:
-
Operation and maintenance
- PCA:
-
Process chain analysis
- PCC:
-
Power control center
- PPP:
-
Purchase power parity
- SO2 :
-
Sulfur dioxide
- T:
-
Tons
- TCD:
-
Tons of cane per day
- TJ:
-
Terajoule
- TSP:
-
Total suspended particles
- TSS:
-
Total soluble salts
- UASB:
-
Upflow anaerobic sludge blanket
- USDA:
-
U.S. Department of Agriculture
- VFD:
-
Variable frequency drive
- :
-
Indian Rupees
- $:
-
US Dollar
- e:
-
Electricity
- eq:
-
Equivalent
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Acknowledgements
The authors thankfully acknowledge the authorities of Dhampur Sugar Mills Limited (DSML), Dhampur, Uttar Pradesh, for visiting the sugar industry and providing valuable data.
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Varun, Chauhan, M.K. (2014). Carbon Footprint and Energy Estimation of the Sugar Industry: An Indian Case Study. In: Muthu, S. (eds) Assessment of Carbon Footprint in Different Industrial Sectors, Volume 2. EcoProduction. Springer, Singapore. https://doi.org/10.1007/978-981-4585-75-0_3
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