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The recovery of heterogeneous catalysts can save costs and avoid secondary pollution, but its separation efficiency and recovery cost are limited by conventional separation methods such as precipitation–flocculation, centrifugation and filtration. In this paper, we found that surface-defective metal sulfides/oxides (WS2, CuS, ZnS, MoS2, CdS, TiO2, MoO2 and ZnO) commonly used in advanced oxidation...
The aim of this paper was to study the reaction between a Ti-6Al-4V alloy and boron nitride based investment shell molds used for investment casting titanium. In BN based investment shell molds, the face coatings are made of pretreated hexagonal boron nitride (hBN) with a few yttria (Y 2 O 3 ) and colloidal yttria as binder. The Ti-6Al-4V alloy was melted in a controlled atmosphere...
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