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Hydrophobic Modification on Surface of Silicon-rich Molybdenum Tailing Particles
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Ningna BAI, Xiangchun LIU, Tao DENG, Tong LU, Yewen ZHANG, Yue GUO, Junping DENG
Journal of the Chinese Ceramic Society | 2020, 48(5) : 761 - 767
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Journal of the Chinese Ceramic Society | 2020, 48(5): 761-767
Hydrophobic Modification on Surface of Silicon-rich Molybdenum Tailing Particles
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Ningna BAI, Xiangchun LIU, Tao DENG, Tong LU, Yewen ZHANG, Yue GUO, Junping DENG
Affiliations
  • Xi'an University of Science and Technology, School of MaterialsScience and Engineering, Xi'an 710054, China

    • BAI Ningna (1993-), female, Master candidate. E-mail:

About Author:

BAI Ningna (1993-), female, Master candidate. E-mail:

Published: 2020-05-20 doi: 10.14062/j.issn.0454-5648.20190599
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The SiO2 in the molybdenum tailings is purified by high-temperature heating and pickling, and the surface is modified with methylhydrogen-containing silicone oil and dimethyl diethoxysilane(DDS).The results show that the impurities such as calcium and magnesium can be effectively removed, and the purified content of silicon oxide can reach 84.3%. When methyl hydrogen-containing silicone oil is used as a modifier, the activation degree of modified slag can reach 77.6%, and the maximum contact angle can reach 116°. Methyl hydrogen-containing silicone oil can be effectively grafted onto the surface oftailing particles. When dimethyl diethoxy silane is used as a modifier, the activation degree can reach 95%, the contact angle can reach 130°, and dimethyl diethoxy silaneis uniformly coated on the surface of tailing particles. The application of modified molybdenum tailings silica in ammonium hydrogen phosphate extinguishing agent shows that it can improve the water repellency of ammonium hydrogen phosphate extinguishing agent.

molybdenum tailings  /  silicon dioxide  /  methyl hydrogen silicone oil  /  dimethyl diethoxy silane
白宁娜, 刘向春, 邓韬, 陆彤, 张叶雯, 郭月, 邓军平. 富硅钼尾矿的疏水改性. 硅酸盐学报, 2020 , 48 (5) : 761 -767 . DOI: 10.14062/j.issn.0454-5648.20190599
Ningna BAI, Xiangchun LIU, Tao DENG, Tong LU, Yewen ZHANG, Yue GUO, Junping DENG. Hydrophobic Modification on Surface of Silicon-rich Molybdenum Tailing Particles[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (5) : 761 -767 . DOI: 10.14062/j.issn.0454-5648.20190599
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Year 2020 volume 48 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20190599
  • Receive Date：2019-08-31
  • Online Date：2026-10-29
  • Published：2020-05-20
Article Data
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History
  • Received：2019-08-31
  • Revised：2019-11-04
Funding
Affiliations
    Xi'an University of Science and Technology, School of MaterialsScience and Engineering, Xi'an 710054, China

Corresponding:

LIU Xiangchun (1975-), male, Ph.D., Professor. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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