Heavy metals are the prominent toxic pollutant extensively present in the industrial waste. Due to its toxicity in nature it should be removed from the industrial waste. In this research, raw and pyrolysis assisted dragon fruit peel along with fungal biomass (Fusarium subglutinans) was utilized as a mixed adsorbent for the removal of Cr(VI) ions from the aqueous phase. FTIR, SEM, and EDX analyses were used to characterize the synthesized mixed biomasses (Fusarium subglutinans – RDFP and Fusarium subglutinans - PADFP). Batch adsorption tests reveal that optimum conditions for the effective removal of Cr(VI) ions onto mixed biomasses (pH = 4.0; biomass dosage =6.0 g/L for Fusarium subglutinans – RDFP, 3.5 g/L for Fusarium subglutinans – PADFP; temperature =30 °C; Cr(VI) ion concentration =25 mg/L; equilibrium time =60 min). The adsorption equilibrium data and contact time data were best fitted with Langmiur and Pseudo-first-order model, respectively. The monolayer adsorption capacities were found to be 11.0 mg/g for Fusarium subglutinans – RDFP and 16.52 mg/g for Fusarium subglutinans – PADFP. Thermodynamic parameters demonstrated that the adsorption was favorable at low temperatures and exothermic process. Overall results exposed that present mixed biomasses had superior adsorption capacity for the removal of Cr(VI) ions from the water/wastewater.

重金属是工业废物中广泛存在的重要有毒污染物。由于其本质上的毒性，应将其从工业废料中除去。在这项研究中，原始和热解辅助的火龙果皮以及真菌生物质（镰状镰刀菌）被用作混合吸附剂，用于从水相中去除Cr（VI）离子。FTIR，SEM和EDX分析用于表征合成的混合生物质（枯萎镰刀菌-RDFP和枯萎镰刀菌-PADFP）。批量吸附测试表明，有效去除混合生物质中Cr（VI）离子的最佳条件（pH = 4.0；次谷镰刀菌生物量= 6.0 g / L – RDFP，3.5 g / L）。枯萎镰刀菌– PADFP；温度= 30°C; Cr（VI）离子浓度= 25 mg / L；平衡时间= 60分钟）。吸附平衡数据和接触时间数据分别与Langmiur模型和伪一阶模型拟合得最好。单层吸附能力被发现是11.0毫克/克为镰刀subglutinans - RDFP和16.52毫克/克为镰刀subglutinans - PADFP。热力学参数表明在低温和放热过程中吸附是有利的。总体结果表明，目前的混合生物质具有从水/废水中去除Cr（VI）离子的优异吸附能力。