The misundstanding of lime treatment for detoxification of lignocellulosics hydrolyzate

Traditionally, lime treatment was used to remove phenolic compounds in pulping acid sulfite pulping spent liquor because of the formation precipitate calcium lignosulfonate.Unfortunately, this method was also proposed today to be used widely to remove other by-products such as acetic acid, furfural, and HMF in the hydrolyzate, which is not right from fundamental aspect. These by-products can be removed due to the lime trap from lime treatment, which also traps sugars and leads to 20-35% sugar loss.