Table 4 Comparison of the algal biomass digestibility, crystalline intensity, and hydrogen-bond intensity of different types of algal biomass before and after thermal hydroxyl pretreatment
From: Hydroxyl radical-aided thermal pretreatment of algal biomass for enhanced biodegradability
Microalgae | Macroalgae | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chlorella sorokiniana | Scenedesmus quadricanda | Haematococcus pluvialis | Chlamydomonas hedleyi | Ulva prolifera | Porphyra umbilicalis | Gelidium amansii | Macrocystis pyrifera | |||||||||
Before | After | Before | After | Before | After | Before | After | Before | After | Before | After | Before | After | Before | After | |
Enzymatic digestibility | 47.73 | 81.82 | 49.90 | 80.85 | 3.63 | 79.61 | 10.20 | 80.27 | 23.09 | 84.79 | 14.57 | 91.64 | 39.23 | 87.23 | 44.69 | 98.59 |
Crystalline intensity | 0.313 | 0.212 | 0.327 | 0.056 | 0.112 | 0.000 | 0.333 | 0.200 | 0.441 | 0.327 | 67.296 | 52.677 | 40.976 | 19.940 | 0.358 | 0.264 |
Hydrogen-bond intensity | 92.628 | 56.750 | 46.482 | 2.600 | 37.149 | 31.948 | 164.188 | 61.342 | 220.970 | 81.526 | 0.388 | 0.378 | 0.260 | 0.000 | 102.065 | 58.407 |