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- Title
SIMULATION-ASSISTED STUDY OF TEMPERATURE, PH, ENERGY CONSUMPTION AND SEPARATION PERFORMANCE FOR DIFFERENT AMINES AND AMINE MIXTURES IN CO<sub>2</sub> REMOVAL UNIT OF AMMONIA PLANT.
- Authors
Boroojerdi, Saeed; Erfani, Amir; Dehghani, Ashraf; Hamzavi, Amin; Abyaneh, Mostafa Zareie
- Abstract
Design of CO2 removal unit of an ammonia plant of one Iranian petrochemical complex is based on Mono Ethanol Amine (MEA). Corrosion problems have been shown to be highly problematic in operation of this unit. In this article, after a brief review of the process and solvents, HYSYS process simulator is utilized to simulate the process. First of all current operational conditions and solvent were simulated. The simulation results are compared to data obtained from the plant, and are proofed to be satisfactory correct. Secondly six other systems containing other amine or mixture of amines were simulated to find whether or not it is possible to change amine solution while maintaining same operation conditions and equipments specifications (e.g. tower diameter and circulation rate). Simulation results show that among all solutions only DGA can be substituted. Finally simulations of DGA/MEA mixtures were done. Simulation results show that mixture of 10% wt. DGA and 15% MEA can be utilized in this plant. This mixture can both lower corrosion problems and power required in process.
- Subjects
CORROSION &; anti-corrosives; ETHANOL as fuel; AMMONIA synthesis; SIMULATION methods &; models; ENERGY consumption; ENERGY management; ECONOMICS
- Publication
Petroleum & Coal, 2013, Vol 55, Issue 4, p273
- ISSN
1335-3055
- Publication type
Article