Preparation of Walnut��Shell Activated Carbon and ��Its Application in Environmental Protection
YU Qiong-Fen1,2, LI Ming1, NING Ping2, YI Hong-Hong2, TANG Xiao-Long2, CHEN Yu-Bao1
1. Solar Energy Research Institute, Yunnan Normal University; 2. Faculty of Environmental Science and Engineering, Kunming University of Science & Technology
Abstract The necessity of agricultural wastes (walnut shells) utilization was illustrated in this work. A number of preparation methods of activated carbon from walnut shell and their progress were carried out. The application of walnut��shell activated carbon in environmental protection was reviewed detailed in two aspects, wastewater treatment and waste gas treatment. Moreover, some aspects of preparing walnut��shell activated carbon and its application (wastewater treatment and waste gas treatment) should be emphasized. As for walnut��shell activated carbon preparation, according to characteristic of selected adsorbate, selection of activating agent and heating method, and modification of walnut\|shell activated carbon should be enhanced. As for application of walnut��shell activated carbon, it is necessary to use walnut��shell activated carbon in wastewater treatment and waste gas treatment. These corresponding efficient application methods were given to realize utilization of walnut shells, prevent environmental pollution, and then obtain considerable environmental and economic benefits.
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Cite this article:
YU Qiong-Fen, LI Ming, NING Ping, YI Hong-Hong, TANG Xiao-Long, CHEN Yu-Bao.Preparation of Walnut��Shell Activated Carbon and ��Its Application in Environmental Protection[J] Chemcial Industry and Engineering, 2011,V28(6): 63-67
2011, Vol. 28 
