Black liquor also contains lignin from the trees.

黑液木质素还载有从树上。

So it is feasible for the black liquor CWS to be used in industrial boilers.

故黑液水煤浆在电站锅炉和工业锅炉中应用是可行的。

Sodium carbonate for example, is recovered from black liquor in soda pulp mills.

以碳酸钠微粒，是从纯碱纸浆厂的黑色液体中回收的。

Extraction of lignin can treat black liquor for the purpose of reducing air pollution.

提取造纸黑液中的木素可起到治理黑液减轻污染的作用。

Experiments showed that the alkali recovery from straw pulp black liquor may be up to 95%.

实验表明，草浆黑液碱回收转化率可高达95%以上。