Abstract
Iron and steel making is an industry with high energy consumption and greenhouse gas emissions. The work is to carry out the CO2 capture experimental study as background of the blast furnace gas, increase the calorific value of the blast furnace gas and reduce greenhouse gas emissions and the energy consumption of CO2 gas in the follow-up process cycle. In this paper, according to the principle of acid base neutralization, [EDA]L and [EDA]P contained amino ionic liquids are synthesized in ice water bath condition, which is made from lactic acid, formic acid and ethylenediamine. The synthesis process was explored, the viscosity and infrared spectroscopy of synthetic ionic liquid were characterized, the boiling point of ionic liquids were calculated, CO2 absorption experiments were carried out under normal temperature and pressure. The results indicate that the compositions are ionic liquids having target structures and the maximum molar absorption of ionic liquid to CO2 reaches 0.45 mol.
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