THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE
The cation exchange properties of mordenite (a Nakhchivan natural zeolite) were studied. Ion exchange of the original cations - sodium, potassium and calcium - by magnesium, strontium, cadmium, zinc and nickel cations was carried out. It was found that in the case of Zn cations cation exchange occur...
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MIREA - Russian Technological University
2016-02-01
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| Series: | Тонкие химические технологии |
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| Online Access: | https://www.finechem-mirea.ru/jour/article/view/4 |
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| author | G. A. Mamedova |
| author_facet | G. A. Mamedova |
| author_sort | G. A. Mamedova |
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| description | The cation exchange properties of mordenite (a Nakhchivan natural zeolite) were studied. Ion exchange of the original cations - sodium, potassium and calcium - by magnesium, strontium, cadmium, zinc and nickel cations was carried out. It was found that in the case of Zn cations cation exchange occurs readily at a high speed and the maximum value of the degree of exchange. A low value of the degree of cation exchange is observed for Mg. This is due to the large hydration shell of magnesium, which adversely affects the cation exchange. High values of the exchange rate of Na+ cations have already been explained at the first exchange of low content of sodium cations and their location mostly in exchange for positions available. The lesser ability to exchange K+, Na+ cations than contained in the natural zeolite is due to several reasons. With an increasing number of degrees of ionic exchange value exchangeable cations K+ vary to a greater degree than the degree of exchange of the cations Na+. Firstly, the content and size of the K+ cation are greater than those of the Na+ cations. Furthermore, a part of the K+ cations is in exchange for hard cancrinites cells. It has been found that the degree of cation exchange of K+ (αK), contained in the original zeolite, with Mg2+, Ni2+, Sr2+, Zn2+, Cd2+ cations is considerably lower than the values of the degree of cation exchange of Na+ (αNa) at the same cations. |
| format | Article |
| id | doaj-art-7fb1720f6b404d18b1dc5f5e364b4bdf |
| institution | Kabale University |
| issn | 2410-6593 2686-7575 |
| language | Russian |
| publishDate | 2016-02-01 |
| publisher | MIREA - Russian Technological University |
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| series | Тонкие химические технологии |
| spelling | doaj-art-7fb1720f6b404d18b1dc5f5e364b4bdf2025-08-20T03:42:45ZrusMIREA - Russian Technological UniversityТонкие химические технологии2410-65932686-75752016-02-01111293310.32362/2410-6593-2016-11-1-29-334THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITEG. A. Mamedova0Nakhchivan Branch of the National Academy of Sciences of AzerbaijanThe cation exchange properties of mordenite (a Nakhchivan natural zeolite) were studied. Ion exchange of the original cations - sodium, potassium and calcium - by magnesium, strontium, cadmium, zinc and nickel cations was carried out. It was found that in the case of Zn cations cation exchange occurs readily at a high speed and the maximum value of the degree of exchange. A low value of the degree of cation exchange is observed for Mg. This is due to the large hydration shell of magnesium, which adversely affects the cation exchange. High values of the exchange rate of Na+ cations have already been explained at the first exchange of low content of sodium cations and their location mostly in exchange for positions available. The lesser ability to exchange K+, Na+ cations than contained in the natural zeolite is due to several reasons. With an increasing number of degrees of ionic exchange value exchangeable cations K+ vary to a greater degree than the degree of exchange of the cations Na+. Firstly, the content and size of the K+ cation are greater than those of the Na+ cations. Furthermore, a part of the K+ cations is in exchange for hard cancrinites cells. It has been found that the degree of cation exchange of K+ (αK), contained in the original zeolite, with Mg2+, Ni2+, Sr2+, Zn2+, Cd2+ cations is considerably lower than the values of the degree of cation exchange of Na+ (αNa) at the same cations.https://www.finechem-mirea.ru/jour/article/view/4natural zeoliteion-exchange propertiescationmordenitedegree of exchangeir-spectrumstretching vibration |
| spellingShingle | G. A. Mamedova THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE Тонкие химические технологии natural zeolite ion-exchange properties cation mordenite degree of exchange ir-spectrum stretching vibration |
| title | THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE |
| title_full | THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE |
| title_fullStr | THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE |
| title_full_unstemmed | THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE |
| title_short | THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE |
| title_sort | ion exchange properties of natural zeolite mordenite |
| topic | natural zeolite ion-exchange properties cation mordenite degree of exchange ir-spectrum stretching vibration |
| url | https://www.finechem-mirea.ru/jour/article/view/4 |
| work_keys_str_mv | AT gamamedova theionexchangepropertiesofnaturalzeolitemordenite AT gamamedova ionexchangepropertiesofnaturalzeolitemordenite |