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3 publications

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    Design and Control of Acetaldehyde Production Process

    By K. Nagamalleswara Rao, M. Venkata Ratnam, P. Rajendra Prasad, V. Sujatha

    Abstract: This paper discusses the steady state and dynamic simulations of acetaldehyde production process by using Aspen Plus and Aspen Dynamics. The model developed in the present study is the modification of the process developed by Eastman Chemical Company of U.S. Patent 6,121,498. The proposed design consists of a FEHE (feed effluent heat exchanger), reactor, absorption column, compressors and two distillation columns. Acetic acid reacts with hydrogen and gives acetaldehyde as …

    Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 11–21 Read article

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    Design and Control of Acrylic Acid Production Process

    By K. Nagamalleswara Rao, M. Venkata Ratnam, P. Rajendra Prasad, V. Sujatha

    Abstract: This paper presents the design and control of acrylic acid production process using Aspen Plus and Aspen Dynamics. Propylene reacts with oxygen and produces acrylic acid and water. Plant-wide operability and control of the entire acrylic acid production plant with controllers is explained. The results indicate that the proposed process gives good dynamic performance (a settling time of less than 3 h).

    Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 1–10 Read article

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    Design and Control of Ethyl Acetate Production Process

    By K. Nagamalleswara Rao, M. Venkata Ratnam, G. Koteswara Reddy, P. Rajendra Prasad, V. Sujatha

    Abstract: In this study, the design and control of ethyl acetate production plant has been investigated. The proposed design consists of a continuous-stirred tank reactor and two distillation columns. Ethanol reacts with acetic acid and gives ethyl acetate and water. Plant-wide operability and control of the entire process plant with decentralized controllers is explained by doing both steady state and dynamic simulations. Tray temperature control loop performance is tested for the …

    Published in Emerging Trends in Chemical Engineering · Vol. 2, Issue 1, 2015 · pp. 9–20 Read article

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