Bisphenol A (BPA), which is known as one of the endocrine-disrupting chemicals (EDCs) with hydrophilic hydroxyl groups and hydrophobic aromatic groups, has been widely used in plastic industries. The chemical waste from the industry is sometimes discharges into lakes and rivers, and then these surface waters can be polluted. So, this article aims to investigate the bio-sorption process of BPA by the inactivated lichen (Pseudoevernia furfuracea) biomass from aqueous solution. At initial, the effect of the variables such as initial BPA concentration, solution pH, temperature, contact time and recovery rate on the bio-sorption process was investigated. From the optimal results, it has been observed that the highest removal efficiency is approximately 64% at a contact time of 3-h, the bio-sorbent concentration of 9 mg/L, initial BPA concentration of 40 mg/L, and agitation speed of 150 rpm at pH 5.0. In explaining the bio-sorption potential of lichen biomass, Langmuir and/or Redlich-Peterson isotherms with two and three parameters, respectively were observed to be better fit with the experimental isotherm data (R² = 0.982). From equilibrium data based on difference between the measured and predicted results (q_{e, exp} and q_{e, pre}), it was shown that biosorption of BPA could be best described by the pseudo second order kinetic model with minimum sum of square error of 2.61%. In addition, it shows more film diffusion, and partly pore diffusion in linearity region in terms of kinetic sorption behaviors of BPA in the rate-limiting step as well as intra-particle diffusion according to Boyd’s kinetic model with better regression coefficient than 0.981 when compared to the other used kinetic models, including Bangham’s pore diffusion and Elovich kinetic models (with R² of 0.958 and 0.929). The thermodynamic studies showed that the biosorption process was spontaneous, and chemically feasible. Therefore, due to be low-cost, eco-friendly character, wide availability and easily accessible, the lichen biomass could be used as a promising bio-sorbent for the removal of BPA from the environment and wastewater effluents.

双酚A（BPA）是众所周知的具有亲水性羟基和疏水性芳香族基团的内分泌干扰化学物质（EDC），已广泛用于塑料工业。该行业产生的化学废物有时会排入湖泊和河流，然后这些地表水可能会受到污染。因此，本文旨在研究灭活的地衣（Pseudoevernia furfuracea）对BPA的生物吸附过程。）水溶液中的生物质。最初，研究了诸如初始BPA浓度，溶液pH，温度，接触时间和回收率等变量对生物吸附过程的影响。从最佳结果可以看出，在3小时的接触时间，9 mg / L的生物吸附剂浓度，40 mg / L的初始BPA浓度和搅拌速度下，最高去除率约为64％。在pH 5.0下为150rpm。在解释地衣生物质的生物吸附潜力时，分别观察到具有两个和三个参数的Langmuir和/或Redlich-Peterson等温线与实验等温线数据更吻合（R ²  = 0.982）。根据测量和预测结果之间的差异（q _e，exp和q_e，pre），表明用假二级动力学模型可以最好地描述BPA的生物吸附，其最小平方误差为2.61％。此外，根据限速步骤中BPA的动力学吸附行为以及根据博伊德动力学模型的粒子内扩散，它显示出更多的膜扩散，部分在线性区域出现孔扩散，与之相比，回归系数比0.981更好。到其他使用的动力学模型，包括Bangham的孔扩散和Elovich动力学模型（R ²0.958和0.929）。热力学研究表明生物吸附过程是自发的，在化学上是可行的。因此，由于低成本，环保特性，广泛的可用性和易于获得的优势，地衣生物质可以用作从环境和废水中去除BPA的有前途的生物吸附剂。