Fast On-line sampler with sample feeding for multi-channel gas and catalyst performance determining system

Abstract

An on-line quickly sampling and sample feeding device of multichannel gas consists of gas sampling unit formed by gas pipeline, multiple solenoid valves and a microdiaphragm vacuum pump; an fully-automatic six-way valve for feeding gas sample automatically; pipeline washing unit formed by a gas washing bottle and multiple solenoid valves; control unit formed by multiple switches being controlled manfully or being controlled automatically by computer .The property evaluating system of catalyst by utilizing said device is also disclosed .

Description

Technical field [0001] The invention belongs to a catalytic chemistry experimental device, which relates to the real-time sampling and sampling of reactants or products in the detection process of catalyst performance, and particularly relates to a multi-channel gas fast online sampling and sampling device and a catalyst performance evaluation device formed by the device System, the device and system can be widely used for the performance evaluation of catalysts involving gas reactants and products, and can also be used for the kinetic study of general chemical reaction processes involving gas reactants and products. Background technique [0002] In the field of catalysis, the development and rapid screening of high-efficiency catalysts are of great significance to researchers. Among the natural and synthetic compounds, there are many compounds with catalytic activity. However, due to the lack of effective catalytic performance rapid evaluation equipment an...

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