Since 2026, domestic downstream industries such as green building materials, ecological agriculture, and environmentally friendly water treatment have accelerated their upgrading. Market demand for lignin calcium sulfonate

Relying on its natural advantages of green environmental protection, renewable properties, and biodegradability, calcium lignin sulfonate, as a bio-based additive derived from forestry and chemical industries

Recently, a research team from Beijing Forestry University made an important breakthrough in the field of alkali lignin modification and purification technology, innovatively adopting a green modification process using a low eutectic solvent (DES)