Kinetic Adsorption Isotherms of Rhodamine B onto Bagasse Modified Activated Carbon
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Abstract
In this research, study kinetic adsorption isotherm of Rhodamine B onto activated carbons prepared from bagasse which was a natural biomass material left in the community. Therefore, the bagasse was characterized and activated at optimize conditions and used to adsorb Rhodamine B solution to increase the value of agricultural waste. The research studied Rhodamine B adsorption on unmodified bagasse activated carbon (BAC) and modified bagasse activated carbon (BAC-KOH). From the effect of contact time, the kinetic adsorption isotherms of Rhodamine B related to the pseudo-second order for BAC and BAC-KOH. The Langmuir adsorption isotherm fit well, and the calculated maximum adsorption capacities (qm) at 30°C and pH 4.0 were 384.62 and 555.56 mg g-1 for BAC and BAC-KOH, respectively.
Article Details
บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการเผยแพร่ในวารสารวิทยาศาสตร์และเทคโนโลยี มรย. นี้ ถือเป็นลิขสิทธิ์ของวารสารวิทยาศาสตร์และเทคโนโลยี มรย. หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือกระทำการใดๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษรจากวารสารวิทยาศาสตร์และเทคโนโลยี มรย. ก่อนเท่านั้น
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