NDLI: Study on preparation and characterization of the adsorbents with sewage sludge

Content Provider	IEEE Xplore Digital Library
Author	Suqin Li Liingling Zhang
Copyright Year	2010
Description	Author affiliation: Civil & Environment Engineering School, University of Science and Technology Beijing, China (Liingling Zhang) \|\| School of metallurgical and ecological Engineering, University of Science and Technology Beijing, China (Suqin Li)
Abstract	Preparation of efficient adsorbents with sewage sludge and its application in chromium-containing wastewater treatment was discussed. The chemical physics activation method was used to dispose secondary sedimentation tank sludge and the final residual sludge to produce activated carbon, respectively. The effect of concentrations of oxidizer, activated temperature, solid-liquid ratio and activation time on the properties of adsorbent have also been observed. The complex of ZnCl2 and H2SO4 were used to prepare activated carbon. Based on the measurements of iodine number of adsorbents, the optimal processing parameters were determined. Under the optimum conditions, iodine adsorption value of sedimentation tank sludge activated carbon is 458.92 mg/g, which is 50mg/g more than the iodine adsorption value of residual sludge activated carbon. At of pH 5, stirring speed of 120 r/min and concentration of 4 g /L, the chromium ion removal rate was up to 83.2 %.
Starting Page	281
Ending Page	284
File Size	759432
Page Count	4
File Format	PDF
ISBN	9781424486199
e-ISBN	9781424486212
DOI	10.1109/ICEEA.2010.5596147
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-10
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chromium-containing wastewater treatment Activated carbon Materials Sludge Adsorbent Environmental engineering
Content Type	Text
Resource Type	Article

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