Author
Guangyuan Xie
Other affiliations: Chinese Ministry of Education
Bio: Guangyuan Xie is an academic researcher from China University of Mining and Technology. The author has contributed to research in topics: Coal & Particle size. The author has an hindex of 24, co-authored 128 publications receiving 1631 citations. Previous affiliations of Guangyuan Xie include Chinese Ministry of Education.
Topics: Coal, Particle size, Bubble, Wetting, Materials science
Papers
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TL;DR: In this paper, a review of coal beneficiation technologies for low-rank coal is presented, including physical (gravity and magnetic separation), chemical (leaching), physico-chemical (flotation and oil agglomeration), and bio-beneficiation technologies.
150 citations
TL;DR: In this article, a review of the nanobubbles stability theories and models in recent ten years are reviewed, including contamination (impurity) theory, dynamic equilibrium theory and its extension theory, contact line pinning effect and nanobbles internal pressure theory.
92 citations
TL;DR: In this paper, the difference in flotation kinetics of various size fractions of bituminous coal between rougher and cleaner flotation processes was investigated, and the relationship between flotation rate constant, maximum combustible recovery and particle size was also studied.
74 citations
TL;DR: The effect of flocculation is highly related to floc properties, such as floc size, floc shape and structure, and floc strength as mentioned in this paper, and the characterization techniques for three kinds of floc property are reviewed in this paper.
69 citations
TL;DR: The effects and applications of ultrasound in the flotation process are explained, and some potential directions in the study of the stable cavitation effect and acoustic radiation force effect are proposed, which are important, but are seldom mentioned in previous reports.
64 citations
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Journal Article•
TL;DR: This book by a teacher of statistics (as well as a consultant for "experimenters") is a comprehensive study of the philosophical background for the statistical design of experiment.
Abstract: THE DESIGN AND ANALYSIS OF EXPERIMENTS. By Oscar Kempthorne. New York, John Wiley and Sons, Inc., 1952. 631 pp. $8.50. This book by a teacher of statistics (as well as a consultant for \"experimenters\") is a comprehensive study of the philosophical background for the statistical design of experiment. It is necessary to have some facility with algebraic notation and manipulation to be able to use the volume intelligently. The problems are presented from the theoretical point of view, without such practical examples as would be helpful for those not acquainted with mathematics. The mathematical justification for the techniques is given. As a somewhat advanced treatment of the design and analysis of experiments, this volume will be interesting and helpful for many who approach statistics theoretically as well as practically. With emphasis on the \"why,\" and with description given broadly, the author relates the subject matter to the general theory of statistics and to the general problem of experimental inference. MARGARET J. ROBERTSON
13,333 citations
TL;DR: The pristine points of zero charge (PZC) and isoelectric points (IEP) of metal oxides and IEP of other materials from the recent literature, and a few older results (overlooked in previous searches) are summarized.
180 citations
TL;DR: In this article, a current purification method for producing high-quality graphite material with impurities reaching about 10-100 mg/kg, attracting a lot of end users.
Abstract: Graphite has a stacked planar sp2-hybridized C6 ring structure, displaying a polymorphism with rhombohedral, hexagonal, and turbostratic. Based on its structure-property relationship, it affords a variety of technologically innovative applications or performances in industries, such as lithium-ion batteries, fuel cells, two dimensional graphene, water purification, electronics, fiber optics, spintronics, refractories, electrical products, electric vehicles, etc. The monetary value of graphite depends largely on carbon content and flake size. However, the physical separation of graphite from its ore body is known to be very expensive, energy intensive and time-consuming. Hence, this study extensively describes a current purification method for producing high-quality graphite material with impurities reaching about 10–100 mg/kg, attracting a lot of end users. It also describes the potential applications of graphite materials and identifies the future scope of a new market, depending on material purity. Finally, the current and future graphite-mining countries are investigated in details.
173 citations
Journal Article•
TL;DR: Jeong Young Park*,†, Miquel Salmeron*, and M. Jeong as mentioned in this paper, Daejeon 305-701, Republic of Korea ‡Graduate School of EEWS, Korea Advanced Institute of Science and Technology (KAIST).
Abstract: Jeong Young Park*,†,‡ and Miquel Salmeron* †Center for Nanomaterials and Chemical Reactions, Institute for Basic Science, Daejeon 305-701, Republic of Korea ‡Graduate School of EEWS, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea Materials Sciences Division, Lawrence Berkeley National Laboratory, University of CaliforniaBerkeley, Berkeley, California 94720, United States Materials Science and Engineering Department, University of CaliforniaBerkeley, Berkeley, California 94720, United States
164 citations