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Table 4 reports the partition coefficients and costs for several organic solvents with respect to BTX compounds. As suggested by Collins & Daugulis (1999), Adol 85 NF solvent realizes a good trade-off between cost, biocompatibility and selectivity, therefore we adopted it in the process simulation as partitioning phase in the TPPB reactor.

Table 4

Organic solvent for TPPB reactor (Collins & Daugulis 1999)

Solvent typeP (Benzene)P (Toluene)P (Xilene)Cost ($/L)
Adol 85 NF 161 405 524 33 
Dipentyl ether 365 473 781 781 
Ethyl heptanoate 743 2,874 3,463 88 
1-Decyne 427 1,587 NA 1,776 
Jasmone 306 1,240 1,770 1,474 
2-Decanol 94 745 NA 1,896 
2-Decanone 210 1,384 1,896 990 
2-Undecanone 205 1,304 1,883 61 
Solvent typeP (Benzene)P (Toluene)P (Xilene)Cost ($/L)
Adol 85 NF 161 405 524 33 
Dipentyl ether 365 473 781 781 
Ethyl heptanoate 743 2,874 3,463 88 
1-Decyne 427 1,587 NA 1,776 
Jasmone 306 1,240 1,770 1,474 
2-Decanol 94 745 NA 1,896 
2-Decanone 210 1,384 1,896 990 
2-Undecanone 205 1,304 1,883 61 

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