Effective removal of methylene blue, a hazardous dye from industrial effluents using active carbon of *** plant

作     者：Ravulapalli, S. Kunta, R. 

作者机构：Koneru Lakshmaiah Educ Fdn Vaddeswaram Andhra Pradesh India 

出 版 物：《INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY》 (国际环境科学与技术)

年 卷 期：2019年第16卷第12期

页      面：7837-7848页

核心收录：

学科分类：0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 

基　　金：Koneru Lakshmaiah Educational foundation Ministry of Environment and Forests, MoEF Indian Institute of Technology Bombay, IITB 

主　　题：Active carbon F infectoria plant Methylene blue dye Adsorption Regeneration Adsorbent 

摘      要：Activated carbon prepared from the barks of F. infectoria is investigated as an adsorbent for the extraction of methylene blue dye from industrial wastewater using batch methods of adsorption. Influence of different physicochemical parameters on the adsorptive removal of dye is investigated and the conditions are optimized. The maximum adsorption ability for the adsorbent is noticed as 151.6 mg/g. Surface morphology of the adsorbent is studied using field emission scanning electron microscope, Fourier transform infrared spectroscopy and Brunauer-Emmett-Teller techniques. The adsorption mechanism is analyzed by various adsorption isotherms and kinetic models. Investigation of thermodynamic parameters reveals the endothermic and spontaneous nature of the extraction process. The spent adsorbent is regenerated and reused for the extraction and noted the adsorption capacity is marginally affected due to regeneration. The method is applied for purifying the dye-contaminated samples from the industrial effluents.