Microalgae-fungal pellets were applied as novel dual-biosorbents for dye removal compared to fungal pellets. Both pellet types effectively removed anionic dyes better than cationic dyes, with the maximum adsorbing efficiency being nearly 100 % at a wide pH range of 3–8. The adsorption isotherms of anionic Congo Red dye and Coomassie brilliant blue R-250 dye using both pellet types and their biosorption kinetics were intensively studied. Noteworthy, the maximum adsorption capacity and affinity of microalgae-fungal pellets were much higher than those of fungal pellets. Both fungal pellets were also applied in the bioremediation of palm oil mill effluent (POME). The repeated treatment of POME by replacing pellets every 12 h enhanced the percent removal of color, phenolic compounds, and COD up to 90.97 ± 0.36 %, 70.71 ± 0.90 % and 56.55 ± 1.98 %, respectively. This study has demonstrated the promising potential for addressing dye removal and bioremediation of colored-industrial effluent in a sustainable and economically viable manner.

中文翻译：

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微藻-真菌颗粒作为新型染料双生物吸附剂及其在棕榈油厂废水生物修复中的实际应用


与真菌颗粒相比，微藻-真菌颗粒被用作新型双生物吸附剂，用于去除染料。两种颗粒类型都能比阳离子染料更好地有效去除阴离子染料，在 3-8 的宽 pH 范围内最大吸附效率接近 100%。深入研究了阴离子刚果红染料和考马斯亮蓝 R-250 染料使用两种颗粒类型的吸附等温线及其生物吸附动力学。值得注意的是，微藻-真菌颗粒的最大吸附容量和亲和力远高于真菌颗粒。这两种真菌颗粒还应用于棕榈油厂废水（POME）的生物修复。通过每 12 小时更换一次颗粒对 POME 进行重复处理，颜色、酚类化合物和 COD 的去除率分别提高到 90.97 ± 0.36 %、70.71 ± 0.90 % 和 56.55 ± 1.98 %。这项研究证明了以可持续且经济可行的方式解决有色工业废水的染料去除和生物修复问题的巨大潜力。