Journal
JOURNAL OF ECOLOGICAL ENGINEERING
Volume 20, Issue 4, Pages 157-166Publisher
POLISH SOC ECOLOGICAL ENGINEERING-PTIE
DOI: 10.12911/22998993/102842
Keywords
natural Yemeni (Al-Ahyuq) zeolite; mineralogical; chemical compositions; environment application; water treatment
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Funding
- Geological Survey and Mineral Resources Board, Sana'a, Yemen
- Engineering Research Center of Nano-Geomaterials of Education Ministry, China University of Geosciences, Wuhan, China
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This research characterizes a natural zeolitic-rich tuff from Yemen (Al-Ahyuq area) and its potential in environmental applications. A total of 40 zeolite samples of Al-Ahyuq area were selected and fully characterized by a variety technique to obtain the mineralogical and physicochemical parameters. Our results show that the purities of zeolite minerals range from 78 to similar to 100% zeolite. Clinoptilolite and mordenite are the major mineral zeolite whereas heulandite and stilbite occur in minor amounts present in the zeolite deposit. Accessory minerals include quartz, illite, mica, feldspar, kaolinite, and smectite. In addition, the chemical compositions of Al-Ahyuq zeolitic tuffs are found to be comparable with other zeolites compositions of high economic value in the world. Moreover, its environment application was also discussed in this paper.
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