NDLI: Preparation of Adsorbent from Sewage Sludge by Steam Activation and Adsorption Characteristic

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Preparation of Adsorbent from Sewage Sludge by Steam Activation and Adsorption Characteristic

Content Provider	Semantic Scholar
Author	Jung, Dong-Hyun Chun, Young Nam
Copyright Year	2007
Abstract	Recently, the treat of sludge is usually progressed by ocean disposal. But it will be totally banned by content of its heavy metal according to London Dumping Convention, gradually. The stable way of treat of sewage sludge should be examined urgently. To solve the problem, recently, there are efficient and environment-oriented method. One of them is to produce absorbent through the activation. This study produces absorbent through steam activation. As basic experiment, optimum activation condition for preparation of good absorbent is researched through study of the following variables : steam flow rate, activated temperature, activation time. As the result of this with standard on Iodine adsorptivity, it is chosen, that steam flow rate “30 mL/hr”, activation temperature “500°C”, activation time “60 minutes”. At the time, Iodine adsorptivity and yield shown that 228.4 mg/g, 77.23%. And also, by using nitrogen adsorption, SEM and EDS are confirmed that pore development, specific surface area, mean pore size, chemical component and content. Pore developed by steam activation is also confirmed that it is micropore.
Starting Page	515
Ending Page	520
Page Count	6
File Format	PDF HTM / HTML
Volume Number	29
Alternate Webpage(s)	http://210.101.116.28/W_files/kiss2/04711795_pv.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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