Table 5.
Conditions for converting textile fiber to glucose via enzymatic hydrolysis.
| Textile Materials |
Type of Pretreatment |
Condition of Pretreatment | Enzyme | Condition of Hydrolysis | Glucose Yield, % |
Ref. | ||
|---|---|---|---|---|---|---|---|---|
| T (°C) | T (h) | T (°C) | T (h) | |||||
| Cotton, 90% Wool, 5% Polyester, 5% |
Protease (Enzymatic) |
50 | 48 | Cellic CTec3® and Savinase 12T® | 50 | 70 | 95.0 | [175] |
| Used Jeans | Phosphoric acid (Acid) |
50 | 7 | Cellulase Trichoderma reesei and Aspergillus niger | 50 | 96 | 79.2 | [176] |
| Cotton red T-shirt, 100% cotton black T-shirt, 100% |
N-methyl-morpholine-N-oxide& Phosphoric Acid (Acid) |
50 | 1 | Cellulase AP3, Aspergillus niger | 50 | 72 | 87.0–95.0 | [177] |
| Cotton red T-shirt, 100% cotton black T-shirt, 100% |
NaOH/Urea (Base) |
50 | 1 | Cellulase AP3, Aspergillus niger | 50 | 72 | 48.0–55.0 | [177] |
| Cotton T-shirts, 100% | 1-allyl-3-methylimidazolium chloride (Ionic liquid) | 110 | 1.5 | G. xylinus (Acetobacter aceti subsp. xylinus or A. xylinus) | 50 | 24 | 81.6 | [168] |
| Towels, cellulose content 87.8% | Untreated Pretreatment | NA | NA | Cellulase | 200 | 0.03 | 74.2 | [169] |
| Waste blue jeans (polyester/cotton), 40%/60% | Sodium carbonate (Base) |
150 | 2 | Celluclast 1.5 L and β-glucosidase | 45 | 72 | 81.71 | [170] |
| Cotton, 100% | Sodium carbonate (Base) |
150 | 2 | Celluclast 1.5 L and β-glucosidase | 45 | 72 | 88.0 | [170] |
| Textile from End-of-life euro banknotes | NaOH/Urea (Base) |
−20 | 6 | Cellulase | 50 | 382 | 96.0 | [178] |