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Table 1 Compositions of MDS samples before and the leftover solid after THP under THP II (wt%)

From: Chemical-free recovery of crude protein from livestock manure digestate solid by thermal hydrolysis

Solid sample

Crude protein

P

K

Hemicellulose

Cellulose

Lignin

Othersa

Before THP

37.2

2.1

1.5

9.3

18.2

30.2

1.5

After THPb

14.8

3.5

0.1

12.7

24.9

41.5

2.5

  1. Dry matter basis
  2. aAlkali metals such as Na, Ca, and Mg
  3. bThe leftover solid after THP recovered by filtration by a screen with 90 mm mesh, dried in an oven overnight, and ground by a pestle for analysis