Milling time [min]

Supporting Information
Mechanocatalytic depolymerization of lignocellulose
performed on hectogram- and kilogram-scales
Marcelo D. Kaufman Rechulski, Mats Käldström, Udo Richter, Ferdi Schüth,
Roberto Rinaldi*,‡
Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470
Mülheim an der Ruhr, Germany
*E-mail: [email protected]
‡ Present address (R. Rinaldi): Department of Chemical Engineering, Imperial
College London, South Kensington, Campus London, SW7 2AZ, United Kingdom.
E-mail: [email protected]
CM01 (α-cellulose)
5
15
95
105
25
35
45
55
65
75
115 125 135 145 155 165
85
175
Milling time
[min]
185
215
Milling time
[min]
Figure S1. Evolution of visual appearance of α-cellulose subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM01, substrate load: 100 g). Experimental
conditions listed in Entry A, Table 1.
CM01 (α-cellulose)
0
5
15
25
35
Milling time [min]
Figure S2. Evolution of visual appearance of α-cellulose subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM01, substrate load: 100 g). Experimental
conditions listed in Entry C, Table 1.
CM01 (α-cellulose)
0
5
15
25
35
45
55
65
75
95
105
115
135
155
185
Milling time [min]
Figure S3. Evolution of visual appearance of α-cellulose subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM01, substrate load: 100 g). Experimental
conditions listed in Entry D, Table 1.
CM01 (Beechwood)
0
5
15
25
35
45 55
65
75
85 105 125 145 165 185 Milling time
[min]
Figure S4. Evolution of visual appearance of beechwood subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM01, substrate load: 100 g). Experimental
conditions listed in Entry E, Table 1.
CM01 (Poplar wood)
90
80
Water-soluble fraction [%]
Temperature [ºC]
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210
Milling time [min]
Figure S5. Evolution of temperature, formation of WSP, and visual appearance of poplar wood,
subjected to mechanocatalytic depolymerization performed in a Simoloyer® mill (CM01, substrate
load: 100 g). Experimental conditions listed in Entry F, Table 1.
CM20 (α-cellulose)
5
15
25
35
45
55
65 75
85
95 105 115 125 135 145 155
Milling time [min]
Figure S6. Evolution of visual appearance of α-cellulose subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM20, substrate load: 1 kg). Experimental
conditions listed in Entry G, Table 1.
α-cellulose, 527 rpm no cooling
(Entry G, Table 1)
120
Temperature [ºC]
Water-soluble fraction [%]
100
80
60
40
20
0
0
10
20
30
40
50
60
70
80
90
100 110 120 130 140 150 160 170
Milling time [min]
Figure S7. Evolution of temperature, formation of WSP, and visual appearance of poplar wood,
subjected to mechanocatalytic depolymerization performed in a Simoloyer® mill (CM20, substrate
load: 100 g). Experimental conditions listed in Entry G, Table 1.
CM20 (α-cellulose)
5
15
25
35
45
55
65 75
85
95 105 115 125 135 145
Milling time [min]
Figure S8. Evolution of visual appearance of α-cellulose subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM20, substrate load: 1 kg). Experimental
conditions listed in Entry H, Table 1.
CM20 (Beechwood)
5
15
25
35
45
55
65
75
85
95 105 115 125 135
Milling time
[min]
145 155 165 175 185
Milling time
[min]
Figure S9. Evolution of visual appearance of beechwood subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM20, substrate load: 1 kg). Experimental
conditions listed in Entry I, Table 1.
CM20 (Beechwood)
5
15
25
35
45
55
65
75
85
95 105 115 125 135 145
155
Milling time [min]
Figure S10. Evolution of visual appearance of beechwood subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM20, substrate load: 1 kg). Experimental
conditions listed in Entry J, Table 1.
CM20 (Poplar)
5
15
25
35 45
55 65
75
85
95
105 115 125 135 145
155
Milling time [min]
Figure S11. Evolution of visual appearance of poplar wood subjected to mechanocatalytic
depolymerization performed in a Simoloyer® mill (CM20, substrate load: 1 kg). Experimental
conditions listed in Entry K, Table 1.