Synthesis of all-silica hollow zeolites by selective demetallation,CrystEngComm

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Synthesis of all-silica hollow zeolites by selective demetallation
CrystEngComm ( IF 2.6 ) Pub Date : 2020-03-30 , DOI: 10.1039/d0ce00263a
Teng Li _{1,

2,

3,

4} , Frank Krumeich _{1,

2,

3,

4} , Jeroen A. van Bokhoven _{1,

2,

3,

4,

5}

Affiliation

We report a method to efficiently produce all-silica hollow zeolites by leaching their parent crystals in sodium aluminate and hydrochloric acid solutions successively. The extra-framework aluminum species resulted from the dissolution of sodium aluminate can protect the crystal rim from damaging, and are subsequently eliminated by acid wash.

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