Patent · US Active

Malic acid and KMnO4-based combined and modified cow dung biogas residue hydrochar preparation method

US11235305B2 · kind B2 · utility

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0References

6Claims

0Family size

Assignee

Jiangsu Academy of Agricultural Sciences · CN

Inventors

Hongmei Jin · 安丰镇, CN
Ning Zhu · 安丰镇, CN
Yonglan Xi · Nanjing, CN
Enhui SUN · Beijing, CN
Jing Du · 红钢城街道, CN
Hongying Huang · Zhejiang, CN
Xiaomei Ye · 安丰镇, CN
Mengjie ZHENG · 安丰镇, CN
Danyang Li · 安丰镇, CN

Key dates

Filing date	Jul 2, 2018
Grant date	Feb 1, 2022
Priority date	—
Expiry date	Nov 2, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2101/16
WIPO fieldChemical engineering
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.