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The dry gas and liquid hydrocarbon desulfurization parts of Daqing Refining & Chemical Company's product refining equipment, due to the high content of impurities and heat-stable salts in the amine liquid, often cause foaming and frothing of the amine liquid, resulting in running loss of the amine liquid and increasing the unit consumption of the amine liquid. At the same time, the desulfurization effect deteriorates. After the amine purification project was launched, the content of suspended solids in the amine solution was less than 2×10-4, and the content of heat-stable salt was 0.71%, which met the production requirements. The quality of the amine solution gradually increased, the loss of running decreased, and the amount of amine solution gradually decreased. . The unit consumption of amine liquid was reduced from the original 0.31 kg/ton raw material to 0.15 kg/ton raw material, and the solid suspension and heat-stable salt content in the amine liquid had reached the design standard. At present, the project operation mode has changed from continuous operation to economic mode operation.
Daqing refinery amine liquid purification benefit
Daqing Refining and Chemical Company's product purification equipment amine purification project has been used since last October, has achieved good results. At present, the project operation mode has changed from continuous operation to economic mode operation. It is estimated that the application of the project will enable the product refining device to reduce the use of amine liquids by approximately 134 tons, saving capital of 2.28 million yuan. The total investment of the project is 4.6 million yuan, and the total investment can be recovered within two years.