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Taking acid-treated stellerite as main material, zeolite X powder was prepared by hydrothermal method.

以酸处理为主要原料,采用水热法制备了X型粉体。

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The results indicate that the modification by heating and acids could not significantly increase the adsorption capacity of the modified stellerite for ammonia nitrogen.

结果表明,加热改性与无机酸改性著提高对氨氮的吸附量。

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caste system, casteism, Castel, casteless, castelet, castellan, castellanus, castellany, castellar, castellated,

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3G, 401(K), a,

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