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Table 4 Energy input and output for novel cost-efficient integrated processes for ethanol production from sweet sorghum stalks

From: A novel cost-effective technology to convert sucrose and homocelluloses in sweet sorghum stalks into ethanol

Process Input (MJ) Output (MJ)
Smash Electricity 327.1   
Preheat Electricity 80.6   
  Vapor 58.6   
Seed culture Electricity 147.4   
  Vapor 58.6   
Fermentation Electricity 209.2   
  Reaction heat 502.0   
Stripper Electricity 60.9   
  Steam 7,561.3 Ethanol 20,163.0
Certification Electricity 65.3 Lignin 5,386.5
Enzymatic saccharification and fermentation Electricity 761.6   
Distillation and separation Electricity 2,437.1 Ethanol 9,388.5
Other biorefinerya   380.8   
Total   12,650.5   34,938.0