The cumene process for phenol-acetone production

Abstract. The history of designing and the evolution of the process for the joint production of phenol and acetone, which is now the basic industrial method for the …

INEOS Phenol – Phenol and Acetone Chemistry (Case Study)

Cumene is oxidized with oxygen to form cumene hydroperoxide (CHP). The peroxide is subsequently decomposed to phenol and acetone, using sulfuric acid as a …

(PDF) Design and simulation of cumene plant

The chemistry of the cumene process features the desired reaction of benzene with propylene to form cumene and the undesirable reaction of cumene with propylene to form p-diisopropylbenzene.

Simplified Process Flow Diagram for Cumene …

Cumene is a very important petrochemical commodity, mainly to produce phenol and acetone. The overall growth rate for cumene capacity has been healthy, averaging slightly less than 3.5 % per year ...

Development of Flowsheet of Separation of a Phenol …

Abstract— In the large-scale production of phenol by the cumene method, an important constituent is the separation of multicomponent mixtures containing the target products and various impurities. The potential of distillation processes of a specific composition is determined by the structure of the vapor–liquid equilibrium diagram …

Integrated Cumene-Phenol/Acetone/Bisphenol A- Part …

Table 5.5 BPA by Badger process—Total capital investment 41 Figures Figure 1.1 Phenol and Acetone key components in the manufacture of BPA 5 Figure 2.1 BFD of Badger BPA process technology 8 Figure 2.2 BFD of KBR Phenol process technology 9 Figure 2.3 Block flow diagram for Badger process 10

Cumene Hydroperoxide

The first step in phenol production is oxidation of cumene to cumene-hydroperoxide (CHP) with 25-30% conversion. Phenol comes from cleavage of CHP, but in the previous step the diluted CHP has to be concentrated. ... Cavani and Gaffney (271) published a flow diagram of the Sumitomo process (see Figure 1.15), and Sumitomo process patents ...

(PDF) Production of phenol from cumene

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. In this process, acetone is co ...

INEOS Phenol – Phenol and Acetone Chemistry (Case Study)

Since the 1950s, the cumene-to-phenol process is the predominant synthetic route for the production of phenol with acetone as the co-product. Cumene is oxidized with oxygen to form cumene hydroperoxide (CHP). The peroxide is subsequently decomposed to phenol and acetone, using sulfuric acid as a catalyst. The products are …

Process flow diagram of synthesis and separation of the …

Download scientific diagram | Process flow diagram of synthesis and separation of the cumene product. from publication: Applications of Dividing Wall Column Technology to Industrial-Scale Cumene ...

Source Assessment: Manufacture of Acetone and Phenol …

----- FIGURES Number 1 Chemistry of the main reactions in the cumene peroxidation process 12 2 Main side reactions of the cumene peroxidation process 13 3 Phenol from cumene products, byproducts, and intermediates 14 4 Process flow diagram for the Allied Chemical process technology 16 5 Process flow diagram for the Hercules process …

The Cumene Process for Phenol–Acetone Production

development which allowed the modern cumene pro-cess for phenol manufacturing to dominate over alter-native methods; to attain a level of selectivity very close to the theoretical value, 97 mol %; and, accordingly, to reduce the yield of phenol tar to 25–35 kg/t of phenol, The Cumene Process for Phenol–Acetone Production V. M. Zakoshansky

The cumene process for phenol-acetone production

Feedstock and Steam Consumption for the Process as a Whole It is seen from the practical data on the selectivity of the basic steps of the phenol process and from the values of the physical and chemical losses at the auxiliary steps of the process, the overall selectivity (for phenol) of the phenol process on the fed cumene basis is 93.9 mol ...

Integrated cumene- phenol/acetone/Bisphen ol A- Part I: …

Process Economics Program. A- Part I: Cumene Dipti Dave, Associate Director AbstractAll commercial production of cumene proceeds via alkylation of benzene with propylene at …

Development of the cumene oxidation process: Rigorous …

These terms are calculated by multiplying the difference in flow rate between any iterative case and the base case by the corresponding unit price. Note that this equation term considers a higher CHP production rate as a means of reducing costs, while the loss of cumene from the off-gases leads to increased costs. ... Phenol-acetone process ...

Utilization of Acetone, By-Product of Cumene Process for …

Acetone is a stoichiometric by-product of the cumene process for the production of phenol. By self-condensation of acetone (), it is possible to synthesize compounds valuable for industry: mesityl and isomesityl oxide, which result from condensation of two acetone molecules (C 6 products), and phorone and isophorones, …

Production of phenol from cumene

A description is given of an apparatus for continuous preparation of phenol from cumene and a simplified flow sheet for production on a larger scale is added. Resume-L'auteur etudie la preparation de phenol a partir de cumene. L'oxydation en phase liquide du aumene par l'oxygene moleculaire donne l'hydroperoxyde de cumene qui est ensuite ...

Phenols

Cumene-to-phenol process flow diagram. Full size image. Cumene as a feedstock for this process is produced from benzene and propylene. Formerly the alkylation reaction was carried out in solution with acidic catalysts like phosphoric acids and aluminium chloride. Currently, most of the cumene is produced commercially with …

Industrial catalytic processes—phenol production

Microchannel process for phenol production via the …

Three-step Hock process is widely used in phenol industry, which suffers slow reaction speed, low efficiency, and generation of many by-products. As a key step, cumene oxidation has a significant influence on the quality of produced phenol and the process is controlled by mass transfer.

(PDF) The Production of Cumene via the Alkylation of

This poster summarizes the plant design for the production of cumene via the alkylation of benzene and propylene including the main objective, the safety assessment, the process flow diagram ...

Integrated cumene- phenol/acetone/Bisphen ol A- Part I: …

Figure 3.2 Cumene from refinery-grade propylene by Badger process—Net production costs 30 Figure 3.3 Cumene from refinery-grade propylene by Badger process—Product value 30 Appendix D figures Figure 2 Cumene from refinery grade propylene by Badger process—Process flow diagram 46

Design of cumene oxidation process

The cumene stream obtained in benzene alkylation and indicated in Fig. 4 as Fresh Cmn, is mixed with the recycle stream P1 containing cumene hydroperoxide (the initiator of the industrial cumene oxidation to cumene hydroperoxide is the cumene hydroperoxide itself, that means, that the process runs in the auto-oxidation mode). The …

Note: 51711 Production of Phenol and Acetone

• Hock Process Application Note: 51711 Step 1 Benzene and propylene react in the gas phase forming Cumene Step 2 - Oxidation Cumene is exposed to air giving Cumene Hydroperoxide (CHP) Step 3 - Cleavage Acid-catalyzed process where CHP breaks down into phenol and acetone Figure 1: Chemistry of the Hock Process Figure 2: Antaris EX …

The cumene process for phenol-acetone production

Simplified flow chart after the reconstruction of the conventional cumene production engineering and its transfer onto the WEPP technology (cumene oxidation and sorption …

(PDF) Process Simulation & Sensitvity Analysis of …

Cumene is a very important petrochemical commodity, mainly to produce phenol and acetone. The overall growth rate for cumene capacity has been healthy, averaging slightly less than 3.5 % per year ...

Phenol Production from Cumene

This report presents a cost analysis of Phenol production from cumene. The process examined is a typical hydroperoxidation process. In this process, cumene is oxidized with air to cumene hydroperoxide, which is ... * Process block flow diagram and description of industrial site installations (process unit and infrastructure) ii.

Integrated Cumene-Phenol/Acetone/Bisphen ol A- Part …

Table 5.8 Phenol by KBR process—Variable costs 41 Table 5.9 Phenol by KBR process—Production costs 42 Table 5.10 Environment footprints for the KBR phenol process 44 Figures Figure 1.1 Phenol and Acetone key components in cumene value chain 5 Figure 2.1 BFD of KBR Phenol process technology 7 Figure 2.2 Block flow …

Industrial catalytic processes—phenol production

Significant improvements in the technology for the production of phenol have been made over the past decade. New catalysts and processes have been commercialized for the production of cumene via alkylation of benzene with propylene.Recent process design innovations have been commercialized for the …

Cumene autooxidation to cumene hydroperoxide based on a …

1. Introduction. Phenol as an important chemical raw material is commonly used to prepare chemical intermediates and a variety of fine chemicals, such as epoxy resin, phenolic resin, polycarbonate, and salicylic acid [1], [2], [3].Generally, phenol is primarily produced by cumene peroxidation process with equimolar acetone, which is …