Gas-sensitive-gas-chromatographic electronic nose instrument and online analysis method of multiple state parameters of fermentation and malodorous pollutant processes

US12158457B2 · kind B2 · utility

Assignee

• East China University of Science and Technology · CN

Inventors

• Zejian Wang · San Jose, US
• Daqi Gao · Shanghai, CN
• Xiaoqin Zhang · Shanghai, CN
• Bo Li · Shanghai, CN
• Fang Cai · Shanghai, CN
• Jianhua Li · Beijing, CN
• Mingjian Cheng · Shanghai, CN

Key dates

• Filing date: Jul 18, 2020
• Grant date: Dec 3, 2024
• Expiry date: Apr 9, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2030/8813
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method for online detecting and analyzing multiple state parameters in fermentation and malodorous pollution processes by using an electronic nose instrument of gas sensitivity and gas chromatography, where the electronic nose instrument includes a gas sensor array module, a capillary gas chromatographic column module, a gas auto-sampling module, a computer control and analysis module and an auxiliary gas source, which is configured to perform cyclically long-term online detection and intelligent analysis of a plurality of bio-fermentation processes or a plurality of malodorous pollution processes.