Table 1.
Drag reduction performance of bio-polymer additives.
| Biopolymer | Solvent | Concentration (ppm) | Max DR% |
|---|---|---|---|
| Xanthan gum [66] | Water | 200 | 36.2 |
| Xanthan gum [66] | Water and KCl | 200 | 34 |
| Xanthan gum [62] | Water and NaCl | 200 | 33 |
| Guar gum [71] | Water | 200 | 32 |
| λ-DNA [79] | Water | 2.7 | 19.8 |
| CT-DNA [84] | Water | 20.25 | 5.8 |
| Amylopectin [87] | Water | 30 | 27.3 |
| Hydroxyethyl cellulose [88] | Water | 300 | 42 |
| Carboxymethyl cellulose [89] | Water | 1000 | 42 |
| Carrageenan [93] | Water | 2000 | 60 |
| Okra [95] | Water | 1000 | 71 |
| Aloe vera [99] | Water | 400 | 63 |
| Chitosan [100] | Water | 300 | 80.4 |