نتایج جستجو برای: montmorrillonite
تعداد نتایج: 693 فیلتر نتایج به سال:
A nearly monomineralic 1.5 m thick bentonite bed sampled in Melo (Uruguay) appears to be a pure high-charge montmorillonite: [Si3.94 Al0.06] (Al1.40 Fe0.11 Ti0.02 Mg0.49 Mn0.01) O10 (OH)2 Na0.01 K0.08 Ca0.18. However, contrasting swelling behaviors have been evidenced by fitting the experimental X-ray diffraction patterns recorded on oriented preparations of the same sample in different saturat...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles A. Salam, U. Lohmann, and G. Lesins Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Canada Department of Chemistry, University of Dhaka, Dhaka – 1000, Bangladesh Institute of Atmospheric and Climate Science, ETH Zurich, Switzerland Received: 23 October 2006 – Accepted: 14 November 2006 – P...
A pilot-scale study was initiated to examine the behavior of viruses pulse injected into a distribution system. The influence of a free-chlorine residual and that of virus preadsorption to clay particles was evaluated by tracing the viruses both in the water flow and after elution from the biofilm. These experiments demonstrated, first, that virus preadsorption on 40 mg of Na-montmorillonite pe...
Present study was undertaken to analyze and select most appropriate method for removal of fluorides in rural areas. Five methods were analyzed in details with mechanism and limitations.The methods are: Activated Alumina, Red Mud, Montmorillonite, Nalagonda Technique and Magnesia. The Study reveals that magnesia is the most appropriate fluoride treatment device for rural areas.
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