Malic acid and KMnO4-based combined and modified cow dung biogas residue hydrochar preparation method
AssigneeJiangsu Academy of Agricultural Sciences
InventorsHongmei Jin, Ning Zhu, Yonglan Xi, Enhui Sun, Jing Du, Hongying Huang, Xiaomei Ye, Mengjie Zheng, Danyang Li
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Abstract
A malic acid and KMnO4-based combined and modified cow dung biogas residue hydrochar preparation method, comprising: mixing a cow dung biogas residue with malic acid, and performing ultrasonic treatment to obtain a malic acid modified cow dung biogas residue; performing a hydrothermal reaction with KMnO4 in a high-temperature high-pressure reactor to obtain a combined and modified cow dung biogas residue hydrochar material.
Claims6
A method for preparing hydrothermal carbon based on malic acid and KMnO4 combined modified cow dung biogas residue, comprising the following steps:
- 1) mixing cow dung biogas residue and malic acid solution homogeneously and then performing ultrasonic treatment, to obtain malic acid modified cow dung biogas residue;
- 2) adding KMnO4 solution to the malic acid modified cow dung biogas residue obtained in the step 1), mixing homogenously and then performing a hydrothermal reaction, to obtain the hydrothermal carbon based on cow dung biogas residue;
- wherein, the filling degree of reactor of hydrothermal reaction is 60%˜80%.
Dependencies are inferred from the claim text.