Journal article
Utilization of wastewater from zeolite production in synthesis of flotation reagents
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, v 30(11), pp 3093-3102
Nov 2020
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The application of waste alkali liquids as a substitute of sodium hydroxide for the saponification to improve the collection performance of fatty acids was investigated by saponification reaction test and flotation test. The results of the saponification reaction test indicated that the optimal conditions for the saponification were stirring rate of 55 r/min, initial temperature of 40 degrees C and stirring time of 45 min. Meanwhile, the laboratory scale and industrial scale flotation experiments showed that the fatty acid salt synthesized by wastewater achieved an index comparable to fatty acid sodium synthesized by sodium hydroxide. As a consequence, it was feasible to replace sodium hydroxide with the wastewater from zeolite production for fatty acid saponification. The cross-border utilization of waste alkali liquids not only reduced environmental pollution, but also produced excellent economic benefits.
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Details
- Title
- Utilization of wastewater from zeolite production in synthesis of flotation reagents
- Publication Details
- TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, v 30(11), pp 3093-3102
- Publisher
- ELSEVIER; AMSTERDAM
- Number of pages
- 0
- Grant note
- Projects (51604302, 51574282) supported by the National Natural Science Foundation of China; Project (2016RS2016) supported by the Provincial Science and Technology Leader (Innovation Team of Interface Chemistry of Efficient and Clean Utilization of Complex Mineral Resources), China; Project (2018zzts224) supported by the Postgraduate Independent Exploration and Innovation Project of Central South University, China; Project (2018TP1002) supported by the Key Laboratory of Hunan Province for Clean and Efficiency Utilization of Strategic Calcium-containing Mineral Resources, China
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:000601054900019
- Scopus ID
- 2-s2.0-85098456668
- Other Identifier
- 991021860781404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Metallurgy & Metallurgical Engineering