Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 5 Activation energies (Ea) and correlation factors (R2) for different conversion values using KAS and FWO models

From: Thermogravimetric and kinetic analysis to discern synergy during the co-pyrolysis of microalgae and swine manure digestate

Material MA  SWD MD-1  MD-2 MD-3
Method KAS FWO KAS FWO KAS FWO KAS FWO KAS FWO
Parameter/conversion E a a R 2 E a a R 2 E a a R 2 E a a R 2 E a a R 2 E a a R 2 E a a R 2 E a a R 2 E a a R 2 E a a R 2
0.1 160.07 0.9773 155.65 0.9731 207.91 0.9997 206.07 1 139.45 0.9951 139.05 0.997 174.05 0.9946 161.61 0.9864 157.09 0.9976 157.9 0.9978
0.15 168.9 0.9999 167.24 0.997 218.38 0.9947 216.26 0.995 143.25 0.9987 143.02 0.9994 182.04 0.9998 173.82 0.9981 157.83 0.994 158.79 0.995
0.2 170.26 0.9949 170.07 0.9958 217.63 1 215.75 1 176.27 0.9805 176.46 0.9823 183.92 0.9989 179.15 0.9998 159.6 0.9973 160.6 0.9976
0.25 172.33 0.9935 172.83 0.9941 218.35 0.9994 216.59 1 180.5 0.9909 180.59 0.9917 185.68 0.9945 182.74 0.9964 160.97 0.9976 162.01 0.9978
0.3 164.85 0.9955 165.8 0.996 213.4 0.9995 212.02 1 176.22 0.9987 176.64 0.9988 187.95 0.989 186.48 0.991 164.62 0.9985 165.58 0.9987
0.35 161.74 0.9977 162.93 0.9979 214.27 0.9997 212.97 1 173.7 0.9999 174.35 1 190.02 0.9886 189.82 0.9869 169.83 0.9971 170.62 0.9974
0.4 157.41 0.9985 158.89 0.9987 216.54 1 215.23 1 171.9 0.9986 172.73 0.9987 172.74 0.9972 173.47 0.9975 173.19 0.9998 173.89 0.9986
0.45 157.63 0.9993 157.05 0.9994 214.62 0.9996 213.51 1 170.94 0.9903 171.91 0.9914 162.4 1 163.73 1 177.71 0.9986 178.27 0.9988
0.5 151.38 0.9998 153.31 0.9998 224.18 1 222.71 1 166.88 0.9812 168.15 0.9844 150.03 0.9965 152.08 0.9969 183.84 0.9981 184.18 0.9983
0.55 146.13 0.9998 148.4 0.9998 213.62 0.9922 211.67 0.992 164.73 0.9648 166.21 0.9686 147.18 0.9909 149.98 0.9925 192.75 0.9976 192.62 0.9979
0.6 143.47 0.9992 145.97 0.9993 207.49 0.9887 204.3 0.989 172.9 0.9764 174.14 0.9811 153.68 0.991 157.84 0.9936 190.46 0.9993 189.71 0.9992
0.65 140.8 0.998 143.55 0.9982 190.96 0.9839 185.91 0.982 195.6 0.9782 195.98 0.9844 167.78 0.99 174.25 0.9945 187.85 0.9969 186.16 0.997
0.7 135.05 0.9955 138.24 0.9961 184.76 0.9846 178.52 0.982 194.54 0.9714 192.79 0.9809 188.77 0.9881 199.03 0.9953 187.63 0.999 184.44 0.9989
0.75 134.11 0.9956 137.53 0.9962 197.49 0.9943 189.9 0.988 201.35 0.9906 197.83 0.9961 197.77 0.9854 211.41 0.9952 178.17 0.9954 173.03 0.9946
0.8 133.1 0.9963 136.82 0.9969 203.04 0.9796 195.27 0.977 215.48 0.9906 211.21 0.9962 212.99 0.9716 229.47 0.9879 152.63 0.9999 146.53 1
Average 153.15 0.9961 154.25 0.9959 209.51 0.9944 206.45 0.994 176.25 0.9871 176.07 0.9901 177.13 0.9917 178.99 0.9941 172.94 0.9978 172.29 0.9978
Calculated Ea      195.42   193.4   181.33   180.35   167.24   167.3  
  1. aIn kJ mol−1