Cumene is used as a raw material for the production of phenol and acetone by the cumene method. In the base case, 0.66 kg of phenol and 0.41 kg of acetone are produced per kg of cumene with an energy consumption of 23,181 kJ/kg phenol. By combining life cycle assessment (LCA) with multi-objective optimization (MOO), the life cycle optimization (LCO) framework holds the promise not only to evaluate the environmental impacts for a given product but also to compare different alternatives and identify both ecologically and economically better decisions. Storage tanks can have unlimited H/D = 2 2. phenol by cumene process (r) Production of Phenol From Cumene The design of the phenol production process is developed as part of the MSc-level course on Process Design at DTU As the base case design auto-catalyzed The relationship is statistically verified by exploring the correlation between total impact indicator and energy impact category. Cumene production process flow diagram. The process design work is divided into 12 sequential tasks that comprise all stages of conceptual design, starting from the consideration of qualitative aspects of the process flowsheet and preliminary calculations to detailed process simulations, equipment sizing, costing, economic evaluation, sustainability and LCA/sustainability assessment of the designed process. Typically, cumene is produced at the same facility that manufactures phenol The plant manufactures cumene in Unit 800 by a It can be miscible in ethanol, ether and glycerin. The drawback of this is the difference in market for both products, with phenol in … To identify the purpose and objectives for the project, a participatory design process with a co-housing group was conducted to define the group's common, Sustainable product development (SPD) requires that product design achieve minimal or zero environmental impact, while satisfying other design criteria such as functionality, quality, desirable features, and acceptable cost and time to market. However, the requirement of cumene is largely dependent on the use of phenol’s derivatives which have resulted in increasing requirement rates for cumene. At the end of task 9, the economic analysis, the base case design is obtained, which is then further improved with respect to heat integration and process optimization. Approximate life cycle assessment of classified products usingartificial neural network and statisti... Visualising Embodied Impacts Using Building Information Modelling (BIM), Integrated Life Cycle Design Approach for Sustainable Product Development. The base case design annual profit is estimated to be 50 million USD with a payback time of 2-3 years. The design of the phenol production process is developed as part of the MSc-level course on Process Design at DTU. Separation is done by a sequence of distillation units and phenol and acetone are obtained as pure products. A systematic hierarchical decomposition method is applied to design a sustainable plant for producing phenol, in which design decisions are made based on sustainability criteria. A new concept, called process-based analysis (PBA) is defined, and used as the base for FEE evaluations. A production rate of 300,000 metric tons/year of phenol is considered. As the base case design, auto-catalyzed oxidation of cumene to cumene hydroperoxide subsequently cleaved over a solid catalyst to phenol and acetone is selected. Isopropylbenzene, also known as cumene, is among the top commodity chemicals, taking about 7 – 8% from the total worldwide propylene consumption. At the end of task 9, the economic analysis, the base case design is obtained, which is then further improved with respect to heat integration and process optimization. Approximately 83% of acetone is produced via the cumene process; as a result, acetone production is tied to phenol production. Accounting for 95% of production (2003) is the cumene … are developed upon process-based LCA, which results in system boundary truncation and underestimation of the true impact. A commercial simulator is used for process simulation (design verification), ICAS for property prediction and analysis of design options and ECON for cost and economic evaluation. Presently, most of the worldwide supply of cumene is used as a raw material for phenol production, a process that simultaneously produces most of the worldwide supply of acetone. THE first plant to produce phenol and acetone from petroleum, through oxidation of cumene, went into operation last week when B. A.-Shawinigan Ltd. officially opened its plant at Montreal. The bottom product of the distillation column is sent to Phenol Purification Unit for further phenol purification. Undesired formation of acetophenone and dimethyl benzyl alcohol, which dehydrates producing alpha methyl styrene, occur as side reactions. in industrial cumene production at Versalis (former EniChem). Alpha methyl styrene is hydrogenated back to cumene over a highly selective catalyst. In the final task 12, a sustainability and LCA analysis is performed to assess the environmental impact of the process design. Against the background of changing societies and our planet's changing climate, the project presented deals with the various aspects of sustainability and tries to envision a democratic and sustainable design process supported by technology. A modified Douglas approach is then used in task 3 to verify the selected process flowsheet from the literature. Despite the recent methodological developments in LCA, most LCO applications. An East coast chemical plant that manufactures phenol, acetone and alphametyl styrene from cumene planned to install an air pollution control system to control the Volatile Organic Compounds (VOCs) emitted during their chemical production process. Through the Cumene process acetone is produced at a ratio of 6:10 ton acetone / ton phenol. Also it is an intermediate in the synthesis of other compounds. The cumene process (cumene-phenol process, Hock process) is an industrial process for developing phenol and acetone from benzene and propylene,Cumene Process report we are going to study the production of Phenol from A production rate of 300,000 metric tons/year of phenol is considered. Phenol (hydroxybenzene) is one of the most important intermediates of the chemical industry. The proposed approach does not replace full LCA but it provides some useful guidelines for the design of environmentally conscious products in the conceptual design phase. A complete kinetic model for alkylation and transalkylation reactors loaded with proprietary catalyst PBE-1 is available. Material Balances Design Problem Cumene Production Background Cumene (isopropyl benzene) is produced by reacting propylene and benzene over an acid catalyst. It was invented by R. Ūdris and P. Sergeyev in 1942 (USSR)., and independently by Heinrich Hock in 1944 The term stems from cumene (isopropyl benzene), the intermediate material during the process. Then, cumene hydroxide is treated with dilute acid to prepare phenol and acetone as by-products. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features In the base case, 0.66 kg of phenol and 0.41 kg of acetone are produced per kg of cumene with an energy consumption of 23,181 kJ/kg phenol. Through several workshops these were elaborated and shaped into first conceptual designs. The by-products and presence of azeotropes make the downstream separation of the products complex. A neural network approach is developed to predict an approximate LCA of grouping products in conceptual design. Access scientific knowledge from anywhere. When the hydroperoxide is Around 98% of cumene is used to produce phenol and its co-product acetone. Production of acetone 1959-09-15 Ellis et al. All rights reserved. Through the application of visual scripting, essential steps of LCA could be integrated into a BIM workflow and innovative methods of communicating assessment results using the digital building model could be shown. Cumene (isopropylbenzene) is an organic compound that is based on an aromatic hydrocarbon with an aliphatic substitution. In this process, acetone is co-produced. vision and requirements towards a residential project. The base case design annual profit is estimated to be 50 million USD with a payback time of 2-3 years. The targeted improvements are related to reduced energy consumption through better heat integration and process optimization, which results in identifying the more sustainable design in terms of raw materials usage, energy consumption, water consumption and environmental impact. Both the lack of detailed information and time for a full LCA for a various range of design concepts demonstrate the need for a new approach to environmental analysis. Production Phenol/Acetone Plant Originally licensed by British Petroleum Company, the reaction section has bee n upgraded to a state of the art process in 1999, which also improves the operatio n of the Oxidation section and The neural network model with back propagation algorithm is used and the results are compared with those of multiple regression analysis. Therefore, the cumene and phenol markets are strongly tied. It is a flammable colorless liquid that has a boiling point of 152 °C. The cumene process (cumene-phenol process, Hock process) is an industrial process for synthesizing phenol and acetone from benzene and propylene. To develop a framework for process synthesis of biorefineries using a mathematical programming approach. It is the main feedstock for bisphenol A production, used to produce polycarbonate and epoxy resins. Crude cumene, comprised of mostly cumene, AMS and phenol, is firstly recovered as distillate by distilling the mixture with a vacuum distillation column. In this process, acetone is co-produced. Training is generalized by using product attributes for an ID in a group as well as other product attributes for other IDs in other groups. WATSaxsrr : Production of phenol from cumene added dropwise from a dropping funnel, so that the liquid flowed down the wall in a thin layer. This process will maintain its leading position as long as a market exists for the coproduct acetone. The dominant synthetic route is cumene oxidation, which accounts f PLANT DESIGN FOR PRODUCTION OF PHENOL 9 for about 95% of the total phenol production. Phenol The cumene process for phenol–acetone (PA) manufacture is one of the unique high-volume petrochemical processes in which simultaneously two products (phenol and acetone) are obtained from one reactant (cumene), each of the products finding useful application; however, which is most important, their reaction with one another in the joint synthesis results in bisphenol, a chemical that forms the … Once the base case profitability has been determined, it is used as a reference to generate and analyze more sustainable alternatives. Table 3.1 Cumene from refinery-grade propylene by Badger process—Design basis 18 Table 3.2 Cumene from refinery-grade propylene by Badger process—Stream flows 18 Table 3.3 Cumene from refinery-grade propylene by A commercial simulator is used for process simulation (design verification), ICAS for property prediction and analysis of design options and ECON for cost and economic evaluation. From 1993 to 1998, world cumene demand grew at a … With a 2011 market demand of 12.4 million tons (Stephan 2013), this makes cumene production nearly a 20 billion dollar per year industry. The design of the phenol production process is developed as part of the MSc-level course on Process Design at DTU. Results indicate that the proposed hybrid LCO framework identifies a considerable amount of indirect greenhouse gas emissions (up to 58.4%) that are essentially ignored in process-based LCO. Cumene (isopropyl benzene) is produced by reacting propylene with benzene. The paper suggests a novel approximate LCA methodology for the conceptual design stage by grouping products according to their environmental characteristics and by mapping product attributes to impact driver index. The largest phenol derivative is bisphenol-A (BPA) which supplies the polycarbonate (PC) sector. In the final task 12, a sustainability and LCA analysis is performed to assess the environmental impact of the process design. Design Assumptions: 10 Process Selection PRODUCTION OF PHENOL BY CUMENE PEROXIDATION PROCESS 1. Join ResearchGate to find the people and research you need to help your work. Proceedings of the Canadian Engineering Education Association (CEEA). 568/385 2781222 Slip socket releaser 1957-02-12 Joris et al. A modified Douglas approach is then used in task 3 to verify the selected process flowsheet from the literature. The design of the phenol production process is developed as part of the MSc-level course on Process Design at DTU. A systematic hierarchical decomposition method is applied to design a sustainable plant for producing phenol, in which design decisions are made based on sustainability criteria. Tasks 4 to 8 include design decisions, mass and energy balances, rigorous simulation, and equipment sizing and costing. In this process, acetone is … This research is aimed at the development of a new approach to lifecycle. It is a constituent of crude oil and refined fuels. During World War II, cumene was used as an octane enhancer for piston-engine aircraft fuel. In this study, we propose a comprehensive LCO framework that seamlessly integrates MOO with integrated hybrid LCA. Today, the cumene is used almost exclusively for manufacturing phenol and acetone. ResearchGate has not been able to resolve any references for this publication. 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