▎ 摘　　要

NOVELTY - An adsorbent comprises 25-36 pts. wt. coconut shell, 2-6 pts. wt. graphene oxide, 5-8 pts. wt. starch, 6-12 pts. wt. cellulose, 16-24 pts. wt. chaff, 30-40 pts. wt. perlite, 12-20 pts. wt. polyaluminum chloride, 7-14 pts. wt. Osmanthus, 10-15 pts. wt. lithopone and 5-9 pts. wt. calcium hydroxide. USE - Adsorbent is used for removing heavy metal ions in wastewater. ADVANTAGE - The adsorbent has excellent adsorption effect and high efficiency. The adsorbent can be prepared by simple method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of adsorbent.