Test device for determining efficiency of adsorbent

Abstract

The invention discloses a test device for determining the efficiency of an adsorbent. The test device comprises an oil-gas generation unit for generating and outputting oil gas, an adsorption unit, atail gas treatment unit and a concentration detection unit. The adsorption unit comprises an adsorption column and a weight sensor, the adsorption column is located at the downstream of the oil-gas generation unit, and an oil-gas inlet of the adsorption column communicates with the output end of the oil-gas generation unit to adsorb oil in oil gas; the weight sensor is connected below the adsorption column to bear the adsorption column and is used for detecting the weight of the adsorption column in real time. The tail gas treatment unit is positioned at the downstream of the adsorption unit and communicated with the oil-gas outlet of the adsorption column. The concentration detection unit is communicated with the oil gas outlet and used for receiving the tail gas in real time and detecting the oil concentration in the tail gas in real time. According to the test device for measuring the efficiency of the adsorbent, the adsorption capacity of the adsorption column and the concentrationof adsorbed oil gas can be measured in real time, and then two kinds of data can be comprehensively compared, so that the detected efficiency of the adsorbent is more comprehensive and accurate.

Description

technical field [0001] The invention relates to the field of chemistry, in particular to a test device for measuring the performance of an adsorbent. Background technique [0002] VOCs (Volatile Organic Compounds) can be a general term for organic compounds with a saturated vapor pressure greater than 71Pa at room temperature, a boiling point lower than 100°C and a saturated vapor pressure greater than 133Pa at atmospheric pressure, or a boiling point lower than 260°C at atmospheric pressure . There are VOCs emissions in the petrochemical industry from raw material mining, transportation, processing to product production, storage, transportation, and sales. The direct emission of VOCs will cause air, soil and water pollution, damage the ecological environment, and affect agriculture and human life. The control of VOCs emission is the focus of environmental protection. At present, the methods of VOCs treatment mainly include combustion method, condensation method, absorptio...

AI Technical Summary

Problems solved by technology

[0004] When measuring the performance of adsorbents in the prior art, it is impossible to measure static adsorption capacity, dynamic adsorption capacity, breakthrough adsorption capacity, and repeated absorption and desorption capacity on the same equipment, and there are also problems such as difficult adjustment of the composition and concentration of the gas to be measured, Problems such as poor stability, complicated side view process, inaccurate measurement results, long measurement time, and poor safety when the flammable components in the gas to be measured are high

Images