Preparation method of 1*1-type manganese oxide octahedral molecular sieves

A technology of pyrolusite and permanganate, applied in molecular sieve compounds, molecular sieves and alkali exchange compounds, chemical instruments and methods, etc., can solve problems such as unfavorable practical application, high energy consumption, etc. The effect of high secondary yield and less pollution
CN102730760AInactive Publication Date: 2012-10-17INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
Publication Date
2012-10-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a preparation method of 1*1-type manganese oxide octahedral molecular sieve (pyrolusite, beta-MnO2) nano-rods, and especially relates to a preparation method which is used for synthesizing single-phase 1*1-type manganese oxide octahedral molecular sieve nano-rods having good crystallinity under the conditions of non-pressurized heating reflux so that a large amount of the 1*1-type manganese oxide octahedral molecular sieve nano-rods are synthesized by one step. The preparation method provided by the invention is characterized in that a mixed solution containing one or more salts of single divalent manganese, permanganates and strong acids undergoes a reflux reaction to produce the 1*1-type manganese oxide octahedral molecular sieve nano-rods under the control of a concentration, a temperature and time. The preparation method allows mild reaction conditions, can be operated simply, can be controlled easily, has low energy consumption, produces low pollution and has a high single yield. The 1*1-type manganese oxide octahedral molecular sieve nano-rods obtained by the preparation method can be used for catalysts, magnetic materials and chemical power source materials.
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Description

technical field

[0001] The present invention relates to 1×1 manganese oxide octahedral molecular sieve (pyrolulusite or β-MnO 2 ) method of preparation. The present invention is particularly suitable for synthesizing well-crystallized single-phase 1×1 manganese-oxygen octahedral molecular sieves (β-MnO 2 ), so that a large amount of 1 × 1 manganese oxide octahedral molecular sieves can be synthesized at one time under simple conditions, which belongs to the inorganic preparation method of manganese oxide nano functional materials.

[0002] Background technique

[0003] Nano-manganese oxide octahedral molecular sieves have rich structural chemical characteristics and excellent physical and chemical properties, and show good application prospects in modern industry and environmental fields, and are one of the hotspots in the international research on nano-functional materials. β-MnO 2 With the advantages of stable structure and high chemical activity, as a nano-functional ...

Claims

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