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????? ????? ?? ?????? ??????? ???? pyrochlore ??? H₂W₂O₇ Or WO₃·0.5H₂O。

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??????? ????? ?????? ??? ?? ??????? octahedral WO6, ????? ???? ????? ?? ????? ???? ???? ????? ??? ????? ?? ?????? ??????? ??? ?????, ??? ?? ??????? ??? ????? ????? (111) ?????.

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?? ????? ?? ????? ?????? pyrochlore ?????? ???????, ???? ??? ????? ?? ??????? ?????:
1.???? ????? ????? ?? ???? ?? Aurivillius ??? ????? ?? Bi₂W₂O₉ ??? ??? ?? ??? pyrochlore ?????? ???????. ????? ????? ??? ???: ????? Bi₂O₃ and WO₃ ????? ??? 1: 2 ????? ????, ????? ??? calcining ??? 800 ℃ ???? 48 ???? ??? ????? Bi₂W₂O₉ ??????? ???? ?????? ??????????? ??????, ????????? ??? ????? ????????? ???? ???? 72 ???? ??? ???? ?????? ?? ??????? ?? H ₂ W₂O₇.
2.???? ?????? ???????????: ???? ?????? ??????????? ???? ????? ???? acidified ?? ???? pH ?? ????? ??????? ???? ????? ?????.
(????: ???? ???? pH ????? ???? ???????, ?? ?? ?????? ?? ?????? ?????, ?????? ??????? pyrochlore ???? ????? ???? ???? ??? ?- pH ???? ? 3.5 ?????? ???? ???????).

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???? pyrochlore ??? ?????? ??????? ?? ???? ??? ?????? ???????? ??? zeolite, ?? ????? ??? ?? ??????? ?????? ???? ?????; ????? ???, ??? ?? ???? ???? ?????? ??? ???? ?????? ??????? ????? ???????, ??? ???? ????? ???? ?? ?????? ??? ????? ????? lye; ?????, ?? ?? ?? ?????? ??????????? ??? ????? ?????? ???????, ??????? ??????? ?????.

?? ?? ?? ????? ??????? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????: +86 592 5129696.

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