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Table 4 Comparison of key results for different solvent processes

From: Techno-economic assessment of hybrid extraction and distillation processes for furfural production from lignocellulosic biomass

Properties

Solvent

Benzene

Toluene

Butyl chloride

Condenser duty (kW)

5576

11,508

6995

Energy requirement saving in condenser (%)

51.5

–

39.2

Reboiler duty (kW)

6476

11,354

8326

Energy requirement saving in reboiler (%)

43.0

–

26.7

Investment cost (k$/year)

2761

3640

3018

Investment cost saving (%)

24.1

–

17.1

Annual operating cost (k$/year)

1969

5004

3663

Annual operating cost saving (%)

60.7

–

26.8

Total annual cost (k$/year)

2380

5547

4113

Total annual cost saving (%)

57.1

–

25.9

Total annual CO2 emission (ton/year)

13,923

24,411

17,901

Total annual CO2 reduction (%)

43.0

–

26.7