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Application of multivariable predictive control technology in methanol distillation unit
Author(s): 
Pages: 29-33
Year: Issue:  4
Journal: DANFEI JISHU

Keyword:  methanol distillationmultivariable controlfeaturesapplications;
Abstract: The paper analyzes technology and process control of methanol double column distillation, multivariable predictive control system successfully used in a double column distillation plant, the control system not only solve multivariable problems and strong coupling in production, but also solve temperature control lag problem on the 25th plate in distillation tower. After that stabilizing quantity of reflux of distillation and produced quantity of methanol, improves smooth and steady of device production, reduces energy consumption in producing, ensuring product quality in the meaning while increasing methanol output.
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