In wastewater treatment, adsorption has become a popular application. Adsorbents have been widely developed for the treatment of different types of effluents. In the present study, graphene oxide-carboxymethylcellulose film (GOF) was coated on a polyethylene terephthalate (PET) supporter. The adsorption capability of GOF-PET to remove trimethoprim was examined using batch and fixed-bed techniques. The batch adsorption behavior of trimethoprim was investigated as a function of contact time, film content, initial pH value, initial concentration, and temperature. The effects of initial concentration, flow rate, and bed height on the adsorption system's breakthrough characteristics were determined for fixed-bed adsorption. The maximum adsorption capacity was 209.75 mg g⁻¹ at 30°C. For fixed-bed adsorption, the highest bed capacity of 175.98 mg g⁻¹ was achieved using 15 cm bed height, 50 mg L⁻¹ initial concentration, and 10 mL min⁻¹ flow rate. The results suggest that GOF-PET is an effective adsorbent for the adsorption of trimethoprim.

在废水处理中，吸附已成为一种流行的应用。吸附剂已被广泛开发用于处理不同类型的污水。在本研究中，氧化石墨烯-羧甲基纤维素膜（GOF）被涂覆在聚对苯二甲酸乙二醇酯（PET）载体上。使用分批和固定床技术检查 GOF-PET 去除甲氧苄啶的吸附能力。研究甲氧苄啶的批量吸附行为作为接触时间、膜含量、初始 pH 值、初始浓度和温度的函数。对于固定床吸附，确定了初始浓度、流速和床高度对吸附系统穿透特性的影响。最大吸附容量为 209.75 mg g ^-1在 30°C。对于固定床吸附，使用15 cm 床高、50 mg L ^-1初始浓度和10 mL min ^-1流速实现175.98 mg g ^-1的最高床容量。结果表明GOF-PET是一种有效吸附甲氧苄啶的吸附剂。