However, the use of the catalyst and the organic solvent will inevitably impair the product’s cost advantage promised by its abundant and renewable raw material.
In the present work, we focused our attention on using rice straw as a starting material to produce an anion exchanger for removal of sulphate. Although rice straw is a huge lignocellulosic resource both in China and the world, there has been few reports about rice straw based anion adsorbent.