Research Article

Study on the Preparation and Application of Lignin-Derived Polycarboxylic Acids

Table 2

The analysis result of the content of 5 elements of lignin.

ā€‰Acid-precipitated lignin (%)LPCAs (%)

C60.9047.93
H5.704.28
N1.070.74
S0.240.27
O32.0946.78