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. 2021 Apr 22;30:e00622. doi: 10.1016/j.btre.2021.e00622

Table 3.

Description of model unit blocks.

Process Block name Block model Description
Conventional esterification – transesterification E-101 Heater Heater for heating PFAD
E-102 Heater Heater for heating product from V-101
E-103 Heater Heater for heating product from d-103
M-101 Mixer Mixer between methanol and H2SO4
M-102 Mixer Mixer between methanol and KOH
R-101 CSTR Reactor for esterification reaction of PFAD
R-102 CSTR Reactor for transesterification reaction for production of FAME
V-101 Decanter Liquid – liquid decanter for separation of FAME and waste water, H2SO4
V-102 Decanter Liquid – liquid decanter for separation of FAME, glycerol and waste KOH
D-101 Radfrac Distillation for methanol separation
D-102 Radfrac Distillation for methanol separation
D-103 Radfrac Distillation for methanol separation
D-104 Radfrac Distillation for FAME purification
D-105 Radfrac Distillation for glycerol purification
X-101 SEP Ideal separator for searation waste KOH
Intensified esterification – transesterification E-101 Heater Heater for heating PFAD
M-101 Mixer Mixer between methanol and H2SO4
RD-101 Radfrac Reactive distillation for production of FAME through esterification – transesterification reaction
V-101 Decanter Liquid – liquid decanter for separation of FAME and waste water, H2SO4
D-101 Radfrac Distillation for FAME purification
Conventional hydrolysis – esterification M-101 Mixer Mixer between PFAD and Alkyl benzene
M-102 Mixer Mixer between water and KOH
M-103 Mixer Mixer between methanol and H2SO4
E-101 Heater Heater for heating product from M-101
E-102 Heater Heater for heating product from V-101
E-103 Heater Heater for heating product from d-103
R-101 CSTR Reactor for hydrolysis reaction of PFAD
R-102 CSTR Reactor for sesterification reaction for production of FAME
V-101 Decanter Liquid – liquid decanter for separation of FFA, glycerol, waste water and H2SO4
V-102 Decanter Liquid – liquid decanter for separation of FAME and waste H2SO4
D-101 Radfrac Distillation for water separation
D-102 Radfrac Distillation for methanol separation
D-103 Radfrac Distillation for methanol separation
D-104 Radfrac Distillation for FAME purification
D-105 Radfrac Distillation for glycerol purification
X-101 SEP Ideal separator for searation waste H2SO4
Intensified hydrolysis - esterification M-101 Mixer Mixer between PFAD and Alkyl benzene
M-102 Mixer Mixer between water and KOH
E-101 Heater Heater for heating product from M-101
E-102 Heater Heater for heating product from V-101
RD-101 Radfrac Reactive distillation for production of FFA through hydrolysis reaction
RD-102 Radfrac Reactive distillation for production of FAME through esterification reaction
D-101 Radfrac Distillation for water separation
D-102 Radfrac Distillation for FAME purification
X-101 SEP Ideal separator for searation waste H2SO4