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Preparation and Catalytic Performance of Acid-Activated Zinc Slag/Metakaolin Geopolymer
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Kai FENG1, Yaojun ZHANG1, Panyang HE2, Zhichao HAN1, Hao CHEN1
Journal of the Chinese Ceramic Society | 2021, 49(10) : 2061 - 2069
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Journal of the Chinese Ceramic Society | 2021, 49(10): 2061-2069
Preparation and Catalytic Performance of Acid-Activated Zinc Slag/Metakaolin Geopolymer
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Kai FENG1, Yaojun ZHANG1, Panyang HE2, Zhichao HAN1, Hao CHEN1
Affiliations
  • 1.College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.School of Resource Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

    • FENG Kai (1995-), male, Master candidate. E-mail:

About Author:

FENG Kai (1995-), male, Master candidate. E-mail:

Published: 2021-10-20 doi: 10.14062/j.issn.0454-5648.20210254
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Geological polymer (zinc slag/Metakaolin geopolymer, ZMG) was synthesized by using zinc slag and metakaolin as raw materials and phosphoric acid as activating agent. The effects of the ratio of raw materials on the mechanical properties, formation of mineral phases, microstructure and pore size distribution of geopolymers were studied. The geopolymer was employed as Fenton-like catalyst for degradation of direct copper salt blue 2R simulated dye wastewater. The effects of the ratio of raw materials, catalyst dosage, pH value and H2O2 concentration on dye degradation rate were systematically investigated. The results showed that the 7-day compressive strength of ZMG-50 geological polymer with a zinc slag proportion of 50% (in mass fraction) could reach 19.9 MPa. Zinc slag can eliminate mechanical pores, improve mesoporous structure and increase specific surface area of geopolymer. The catalytic results showed that ZMG-50 had the best catalytic performance under the conditions of catalyst dosage of 8 g/L, pH value of 2.5 and H2O2 concentration of 0.32 mmol/L, the degradation rate of direct copper salt blue 2R dye could reach 96.2% after 42 min reaction, and it had good stability and reuse performance.

zinc slag  /  metakaolin  /  geopolymer  /  Fenton-like reaction  /  dye degradation
冯凯, 张耀君, 贺攀阳, 韩智超, 陈浩. 酸激发锌渣/偏高岭土地质聚合物的制备及催化性能. 硅酸盐学报, 2021 , 49 (10) : 2061 -2069 . DOI: 10.14062/j.issn.0454-5648.20210254
Kai FENG, Yaojun ZHANG, Panyang HE, Zhichao HAN, Hao CHEN. Preparation and Catalytic Performance of Acid-Activated Zinc Slag/Metakaolin Geopolymer[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (10) : 2061 -2069 . DOI: 10.14062/j.issn.0454-5648.20210254
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Year 2021 volume 49 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20210254
  • Receive Date：2021-04-12
  • Online Date：2026-10-30
  • Published：2021-10-20
Article Data
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History
  • Received：2021-04-12
  • Revised：2021-05-08
Funding
Affiliations
    1.College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
    2.School of Resource Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

Corresponding:

ZHANG Yaojun (1959-), male, Ph. D., Professor. E-mail:
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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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