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Preparation of Pseudo-boehmite with Large Pore Size and High Specific Surface Area by Using High Aluminum Pickling Sludge
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Hui YUAN1, Yongdong HE1, Yikun ZHAO1, Xiaohan SUN2, Xiaolong LIU3, Yufeng DU4, Wanquan BAI5, Shoujun CHEN6
Mining and Metallurgical Engineering | 2024, 44(2) : 135 - 140
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Mining and Metallurgical Engineering | 2024, 44(2): 135-140
• MATERIALS •
Preparation of Pseudo-boehmite with Large Pore Size and High Specific Surface Area by Using High Aluminum Pickling Sludge
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Hui YUAN1, Yongdong HE1, Yikun ZHAO1, Xiaohan SUN2, Xiaolong LIU3, Yufeng DU4, Wanquan BAI5, Shoujun CHEN6
Affiliations
  • 1.School of Physical Science and Technology, Xinjiang University, Urumqi 830046, Xinjiang, China
  • 2.Shandong Energy Group, Jinan 250100, Shandong, China
  • 3.Xinjiang Tianlong Mining Co Ltd, Fukang 831500, Xinjiang, China
  • 4.Xinjiang Nongliushi Aluminum Co Ltd, Wujiaqu 831300, Xinjiang, China
  • 5.Tianshan Aluminum Co Ltd, Shihezi 832061, Xinjiang, China
  • 6.Xinjiang Sheng'an New Materials Co Ltd, Hami 839000, Xinjiang, China
Published: 2024-04-01 doi: 10.3969/j.issn.0253-6099.2024.02.031
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Aluminum sulfate, sodium hydroxide, and high-aluminum pickling sludge were used as raw materials to prepare pseudo-boehmite by adopting a dual aluminum source method. The effects of pH value, reaction temperature, and urea addition on the formation and structure of pseudo-boehmite, as well as the effects of synthesis conditions on the phase and structural properties of pseudo-boehmite were investigated. The results show that as the reaction temperature increases, the specific surface area and pore volume of pseudo-boehmite increase, and the crystallinity also increases. With pH value between 6.5 and 9.5, a clear pseudo-boehmite phase can be obtained; with pH value up to 10.5, a trihydrate alumina phase will be formed. The addition of urea can significantly increase the specific surface area and pore size of pseudo-boehmite.

dual aluminum source method  /  pseudo-boehmite  /  urea  /  aperture  /  pore volume  /  specific surface area
Hui YUAN, Yongdong HE, Yikun ZHAO, Xiaohan SUN, Xiaolong LIU, Yufeng DU, Wanquan BAI, Shoujun CHEN. Preparation of Pseudo-boehmite with Large Pore Size and High Specific Surface Area by Using High Aluminum Pickling Sludge[J]. Mining and Metallurgical Engineering, 2024 , 44 (2) : 135 -140 . DOI: 10.3969/j.issn.0253-6099.2024.02.031
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.02.031
  • Receive Date：2023-10-25
  • Online Date：2026-03-19
  • Published：2024-04-01
Article Data
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History
  • Received：2023-10-25
Funding
Affiliations
    1.School of Physical Science and Technology, Xinjiang University, Urumqi 830046, Xinjiang, China
    2.Shandong Energy Group, Jinan 250100, Shandong, China
    3.Xinjiang Tianlong Mining Co Ltd, Fukang 831500, Xinjiang, China
    4.Xinjiang Nongliushi Aluminum Co Ltd, Wujiaqu 831300, Xinjiang, China
    5.Tianshan Aluminum Co Ltd, Shihezi 832061, Xinjiang, China
    6.Xinjiang Sheng'an New Materials Co Ltd, Hami 839000, Xinjiang, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2024.02.031
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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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