Propylene Oxide

Baer, H.; Bergamo, Massimo; Forlin, Anna; Pottenger, Lynn H.; Lindner, J.

doi:10.1002/14356007.a22_239.pub3

Cited by 37 publications

(48 citation statements)

References 34 publications

(33 reference statements)

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“…The lower part is a microstructured hydrogen peroxide evaporator combined with the catalytic reactor on top . The basic design of a pressure vessel is not altered, but the internals carry the innovation . Just recently, Ehrfeld Mikrotechnik GmbH, Germany, demonstrated a production plant for alkoxylation of 10 kt a −1 in Miprowa reactors on commercial scale .…”

Section: Biotechnology Process Integration and Intensificationmentioning

confidence: 99%

A Brief History of Chemical Reactor and Reaction Technology

Kockmann

2019

Chemie Ingenieur Technik

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The term “chemical reactor” appears for the first time in open literature at the end of First World War, while in Germany the term “reaction technology” was coined in the 1950s, although chemical reactions and processes have been known for thousands of years. In the early days, reactors were furnaces and pots, which specialized further over the centuries. With the Industrial Revolution many reactor types were already known, and industrialization brought an enormous innovation thrust in the field of products as well as technologies. The diversity of reactors today is almost uncomprehensive and so efforts to standardize apparatus are understandable.

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Section: Biotechnology Process Integration and Intensificationmentioning

confidence: 99%

A Brief History of Chemical Reactor and Reaction Technology

Kockmann

2019

Chemie Ingenieur Technik

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“…Among epoxides, propylene oxide (PO) is known to be an extremely reactive substance and an important chemical intermediate [1]. It is sometimes called 1,2-epoxypropane or 2-methyloxirane.…”

Section: Introductionmentioning

confidence: 99%

“…It is sometimes called 1,2-epoxypropane or 2-methyloxirane. This compound is widely used as the starting material to synthesize numerous commercial materials; these include polymers (polyurethanes and polyesters), oxygenated solvents (propylene glycol ethers), and industrial fluids (monopropylene glycol and polyglycols) [1]. Based on a market overview from Mordor Intelligence, PO is forecasted to gain at a compounded annual growth rate of approximately 5.9% during the forecast period of 2019-2024 [2].…”

Section: Introductionmentioning

confidence: 99%

“…Extensive, highly dispersed, tetrahedrally coordinated metal oxides: some candidates, such as TiO 2 , V 2 O 5 , Mo 2 O 3, and Cr 2 O 3 moieties, could be successfully dispersed and isolated when implanting on the silica matrix. It has been noted that these dispersed and isolated Ti, V, Mo, and Cr transition metal oxides can be easily excited under light irradiation to construct corresponding charge-transfer excited states that engage an electron dispatch from O 2− to M n+ , as shown in Equation (1). (M n+ = O 2− ) + hv → (M (n−1)+ − O − )* M: Ti, V, Mo, Cr, .…”

Section: Introductionmentioning

confidence: 99%

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Recent Advances in Selective Photo-Epoxidation of Propylene: A Review

Nguyen

et al. 2020

Catalysts

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The epoxidation of propylene to produce propylene oxide (PO) has a vital role in the industrial production of several commercial compounds and the synthesis of numerous intermediates, fine chemicals, and pharmaceuticals. However, the current PO production processes pose significant problems regarding the environment and economy. The direct photo-epoxidation of propylene using molecular oxygen (an ideal oxidant with active oxygen of 100 wt %) under light irradiation is a promising technology to produce PO. This process offers numerous advantages, including the use of simple technologies, low-cost methods, and environmental friendliness. Many efforts have focused on the design of new photocatalyst systems, optimizing the conditions for a photocatalytic reaction, and elucidating the mechanisms of photo-epoxidation. This review is expected to serve as a comprehensive background, providing researchers with insight into the recent developments regarding the direct photo-epoxidation of propylene.

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“…However, these routes produce a significant amount of coproducts (styrene, ter-butyl alcohol, and dimethyl benzyl alcohol), which heavily depend on market demand. Other processes, such as direction oxidation (catalytic epoxidation and photocatalytic epoxidation), electrochemical, and biochemical processes, also receive considerable attention [1,2,[6][7][8][9][10][11][12][13]. It is noted that an excellent turnover frequency (TOF, 12 s −1 ) could be observed via the biological process [6].…”

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confidence: 99%

Advances in Designing Au Nanoparticles for Catalytic Epoxidation of Propylene with H2 and O2

Nguyen

Sharma

et al. 2020

Catalysts

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Au nanoparticles, which can be used in various industrial and environmental applications, have drawn substantial research interest. In this review, a comprehensive background and some insights are provided regarding recent studies concerning the use of Au nanoparticles for catalytic propylene epoxidation with H2 and O2. Over the last two decades, substantial progress has been made toward the efficient production of propylene oxide (PO); this includes the design of highly dispersed Au catalysts on Ti-modified mesoporous silica supports, the optimization of catalytic epoxidation, and the determination of the mechanisms and reaction pathways of epoxidation. Particularly, the critical roles of catalyst synthesis, the types of material support, Au nanoparticle sizes, and the dispersion amounts of Au nanoparticles are emphasized in this review. In future studies, novel, practical, robust, and highly PO-selective Au nanoparticle catalyst systems are expected to be continually designed for the enhanced catalytic epoxidation of propylene.

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Propylene Oxide

Abstract: The article contains sections titled: 1. Introduction 2. Physical Properties … Show more

Cited by 37 publications

References 34 publications

A Brief History of Chemical Reactor and Reaction Technology

A Brief History of Chemical Reactor and Reaction Technology

Recent Advances in Selective Photo-Epoxidation of Propylene: A Review

Advances in Designing Au Nanoparticles for Catalytic Epoxidation of Propylene with H2 and O2

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