Patent · US Active

Method and apparatus for anaerobic digestion for crop stalk

US9217162B2 · kind B2 · utility

0Cited by

3References

4Claims

0Family size

Assignee

Shengli Oilfield Shengli Power Machinery Co., Ltd. · CN

Inventors

Yiliang Chen · Dongying, CN
Jianzhong Zhao · Phoenix, US
Rongjun Li · Lo Wu, CN
Shaopeng Zhang · The Woodlands, US
Taitao Wang · Dongying, CN
Tong Wang · Beijing, CN
Zhiguo Chen · Beijing, CN

Key dates

Filing date	Jul 21, 2009
Grant date	Dec 22, 2015
Priority date	—
Expiry date	Oct 11, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E50/30
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

This disclosure discloses a process and an anaerobic digestion system for crop stalk/straw. The process in one example comprises (A) Feeding, (B) Heating and Digestion at the set temperature, (C) Discharging of Biogas, Sludge and Effluent. The system in one example comprises (I) High Solid Content Digester (II) Hydro-Circulation Digester and (III) Stalk/Straw Feeder. Steps (A), (B) and (C) are accomplished in the devices (I) and (II).

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