一种高性能坚果壳生物炭及其高效制备方法和应用

Nut shell biochar was prepared by low-temperature anaerobic pyrolysis and high-temperature oxygen-activated pyrolysis processes, which solved the problems of high preparation cost and environmental pollution, obtained high-performance biochar, and improved its adsorption capacity for dyes and heavy metal ions.

CN118026171BActive Publication Date: 2026-07-17HARBIN INST OF TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HARBIN INST OF TECH
Filing Date
2024-01-10
Publication Date
2026-07-17

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Abstract

一种高性能坚果壳生物炭及其高效制备方法和应用。本发明属于生物炭领域。本发明的目的是为了解决现有坚果壳生物炭制备方法成本高、对环境污染严重以及所得生物炭活性不高的技术问题。本发明的方法：先在无氧氮气环境中对坚果壳粉末进行低温热解，然后在含氧混合气氛下进行高温氧活化热解，得到高性能坚果壳生物炭。本发明的方法，工艺简单，且只利用空气为活化剂，不使用化学试剂，降低成本，减少对环境的污染。在获得高性能生物炭的同时降低了成本和对环境的污染。所得生物炭具有较高的比表面积及发达的孔隙结构，保证了其吸附性能，对染料和重金属离子有良好的吸附效果。可应用于染料和重金属离子污染的水处理领域。
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