Hydrothermal treatment of electric arc furnace dust

被引：14

作者：

Yu, Bing-Sheng ^{[2
]}

Wang, Yuh-Ruey ^{[1
]}

Chang, Tien-Chin ^{[3
]}

机构：

[1] Natl Taipei Univ Technol, Dept Mat & Mineral Resources Engn, Taipei 106, Taiwan

[2] Natl Taipei Univ Technol, Inst Mineral Resources Engn, Taipei 106, Taiwan

[3] Natl Taipei Univ Technol, Inst Environm Engn & Management, Taipei 106, Taiwan

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2011年 / 190卷 / 1-3期

关键词：

Hydrothermal treatment; EAF dust; ZnO; Crystal morphology; ROD-LIKE; ZINC; MORPHOLOGY; RECOVERY; WHISKERS;

D O I：

10.1016/j.jhazmat.2011.03.056

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study, ZnO crystals were fabricated from electric arc furnace dust (EAFD) after alkaline leaching, purification and hydrothermal treatment. The effects of temperature, duration, pH, and solid/liquid ratio on ZnO crystal morphology and size were investigated. Results show a high reaction temperature capable of accelerating the dissolution of ZnO precursor, expediting the growth of 1D ZnO, and increasing the L/D ratio in the temperature range of 100-200 degrees C. ZnO crystals with high purity can also be obtained, using the one-step hydrothermal treatment with a baffle that depends on the different solubility of zincite and franklinite in the hydrothermal conditions. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：397 / 402

页数：6

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