It can come to the conclution that there periods in the process of biosorbents. And it accords Langmuir(R2=0.92-0.98).

• 桔子皮生物吸附剂吸附重金属锌离子的最大吸附量的吸附等温线都非常符合Langmuir方程(R2=0.；92-0