Page 94 - Biofuels for a More Sustainable Future
P. 94

Indicators for sustainability assessment
                                                  5300
                                                  5000
                                                  4700
                                                  4400
                                                  4100
                                                  3800
                                                  3500
                            700
                               600
                                  500
                                           200
                                                    –100
                                              100
                                        300
                                     400
                                                 0
                                               0.62
                                                   0.58
                                                     0.56
                                                    0.57
                                                  0.59
                                                0.61
                                             0.63
                                                 0.6
                                                       0 0.2 0.55  0  0.54  0.5  0.4 0.6  x 1  0.8  x 2  11  2013).  al.,  et (Bergmann biorefinery algae-based  85
                                              0.64  0.62  0.6  0.58  η  0.56  0.54  0.52  an
                                                                   at
                                                                   optimization
                                                                   multiobjective
                                                                   and
                                                                   LCA
                                                                   of
                                                                   Combination
                                                                   4.5
                                                                   Fig.
   89   90   91   92   93   94   95   96   97   98   99