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Continuous sorption of methylene blue dye from aqueous solution using effective microorganisms-based water hyacinth waste compost in a packed column
Biomass Conversion and Biorefinery ( IF 3.5 ) Pub Date : 2021-01-06 , DOI: 10.1007/s13399-020-01208-9
Bhagavathi Pushpa Thillainayagam , Praveen Saravanan , Gokulan Ravindiran , Jegan Josephraj

The current research article investigates the remediation of methylene blue (MB), in continuous operation mode, utilizing compost as an adsorbent. The adsorbent was prepared from the water hyacinth plant waste by using effective microorganism (EM) which acts as a decomposer for the materials used. EM contains the various microbes that are responsible for the decomposition and it is available in the dormant liquid form which requires activation. The researcher performed a continuous study in which the following parameters are varied—bed complexity and flow rate. The findings of the study revealed that a maximum uptake of 301.79 mg/g was achieved and the removal efficiency is found to be around 85.44%. The overall sorption time zone, exhaustion time, breakthrough time, and volume of dye treated are also calculated. Modeling of experimental data is performed using bed depth service time (BDST) model and Thomas model. 0.01 M HCL was used as an elutant for the regeneration studies and maximum desorption efficiency of 85.44% was obtained.



中文翻译:

使用有效的基于微生物的水葫芦废物堆肥在填充塔中从水溶液连续吸附亚甲基蓝染料

当前的研究文章以堆肥作为吸附剂,以连续操作模式研究了亚甲基蓝(MB)的修复。吸附剂是通过使用有效的微生物(EM)从水葫芦植物废料中制备的,该微生物充当所用材料的分解剂。EM包含负责分解的各种微生物,并且可以休眠液体形式使用,需要激活。研究人员进行了连续的研究,其中改变了以下参数-床的复杂度和流速。研究结果表明,最大吸收量为301.79 mg / g,去除效率约为85.44%。还计算了总的吸附时间区,耗尽时间,穿透时间和处理的染料量。实验数据的建模使用床深服务时间(BDST)模型和Thomas模型进行。0.01 M HCl被用作洗脱液进行再生研究,最大解吸效率为85.44%。

更新日期:2021-01-06
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