not otherwise permitted to reproduce, republish, redistribute, or sell any Supporting Information A great variety of catalysts have been investigated for the production of C2H4 by the oxidative dehydrogenation of ethane (ODE) in the last decade [2,3]. <>/Filter/FlateDecode/Length 8657>> ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B0123694000003951, URL: https://www.sciencedirect.com/science/article/pii/B9780123864543003110, URL: https://www.sciencedirect.com/science/article/pii/B9780080468846013154, URL: https://www.sciencedirect.com/science/article/pii/B9780120887965500223, URL: https://www.sciencedirect.com/science/article/pii/B9780080977744003168, URL: https://www.sciencedirect.com/science/article/pii/S0167299101802846, URL: https://www.sciencedirect.com/science/article/pii/S0360056415000036, URL: https://www.sciencedirect.com/science/article/pii/B9780124160170000085, URL: https://www.sciencedirect.com/science/article/pii/S0167299104802696, URL: https://www.sciencedirect.com/science/article/pii/S016729910180046X, Sustainable Design Through Process Integration (Second Edition), 2017, Encyclopedia of Toxicology (Second Edition), Encyclopedia of Toxicology (Third Edition), Handbook of Chemical Technology and Pollution Control (Third Edition), Bioinorganic Fundamentals and Applications: Metals in Natural Living Systems and Metals in Toxicology and Medicine, Comprehensive Inorganic Chemistry II (Second Edition), EBDH catalyzes the anaerobic oxidative degradation of, Zeolites and Zeotypes for Oil and Gas Conversion, Eelco T.C. Ethylbenzene has high vapor pressure (954 Pa at 20 °C) and low water solubility (200 mg l−1 at 25 °C); therefore, if released to water, it will partition to air. Find more information about Crossref citation counts. Fechter et al. B. Pouyatos, ... L. Linda, in Comprehensive Toxicology, 2010.

The American Chemical Society holds a copyright ownership interest in any copyrightable Supporting redistribute this material, requesters must process their own requests via the RightsLink permission Conventionally, the production of EB is based on the alkylation of C 6 H 6 with pure C 2 H 4 .

As such, the two production processes are often highly integrated. These have to be transalkylated with benzene after recycle. These findings suggest a common ototoxic mechanism between ethylbenzene and agents such as toluene and styrene (Cappaert et al. 1999, 2001, 2002).

It al- MCM-22, however, was the catalyst of choice for the Mobil–Raytheon EBMax™ process in 1995 (297,298,300).

EBDH catalyzes the anaerobic oxidative degradation of ethylbenzene by hydroxylation at the benzyl carbon to yield the product (S)-1-phenylethanol stereospecifically. Please reconnect, https://doi.org/10.1021/acs.jpclett.0c02729. %PDF-1.3 The functional hearing loss induced by ethylbenzene and the histological patterns seen are very similar to the effects of toluene or styrene, namely, midfrequency hearing loss and selective outer cell damage (Figure 12). However, the strict purity requirement for the C2H4 prevented their further development and industrial application. The process allowed for recycling of polyalkylated benzene and transalkylation in the main reactor.

<>>>/Filter/FlateDecode/Length 19>> CDTech introduced a process based on catalytic distillation, in which the catalyst is introduced in a distillation column.

All OHCs in the control animal (a) were present. Ethylbenzene is converted to styrene at high selectivity in a multistage process in which ethylbenzene is oxidized to ethylbenzene hydroperoxide which is reacted with ethylene or propylene to produce a mixture of 1-phenylethanol and acetophenone which are converted to styrene.

19.27). Martin B. Hocking, in Handbook of Chemical Technology and Pollution Control (Third Edition), 2005. Ethyl benzene is extremely irritating in animal studies. In short, acetophenone, one-oxygen transfer oxygenate became the dominant product in the presence of CO2 while benzoic acid, two oxygen transfer oxygenate, assumed a key product in O2 alone. Ethyl benzene is the most irritating of the benzene series of compounds tested. It is also known as vinylbenzene, ethenylbenzene, cinnamene, or phenylethylene. Towson, MD 21286 Created for consumers, educators, the media, and industry employees, youknowstyrene.org is a reliable, one-stop source of information on styrene and styrene-based products.

The Mo ion in the structure is believed to be in the reduced Mo(IV) state since no terminal oxo ligation was observed. Ethylbenzene is obtained through acid-catalyzed alkylation of benzene with ethylene (297). Citations are the number of other articles citing this article, calculated by Crossref and updated daily.

You’ve supercharged your research process with ACS and Mendeley! 400 E Joppa Road, Suite 108 A great variety of catalysts have been investigated for the production of C 2 H 4 by the oxidative dehydrogenation of ethane (ODE) in the last decade [2,3] . The in situ visualization of complex catalysis at the atomic level is therefore a major advance in the rational framework upon building the future catalysts. Inhalation or ingestion of high concentrations has led to central nervous system (CNS) depression with death attributed to depression of the respiratory center. The majority of industrial production of styrene follows from the dehydrogenation of ethylbenzene. The oral LD50 for ethyl benzene is 3500 mg kg−1. The process combines the dehydrogenation of ethane and ethylbenzene in one unit and integrates the processes for preparing ethylene, ethylbenzene and styrene. (2007) investigated the combined effects of toluene and ethylbenzene on the auditory function of rats that were either coexposed to noise or to a quiet laboratory. system. Vogt, ... Bert M. Weckhuysen, in Advances in Catalysis, 2015.

5 0 obj did use a different strain of rats of a younger age than did Fechter et al. As was the observed in Nar, the pyran ring of the pyranopterin is found in the open bicyclic form.

Toluene levels were set at 400 ppm for the same time period. Vogt, ... Bert M. Weckhuysen, in, Carbon Dioxide Utilization for Global Sustainability, Spillover and Mobility of Species on Solid Surfaces. The styrene synthesis from ethylbenzene over polynaphthoquinone was investigated in the range of temperature 170–270 °C. The alkylation of benzene with ethylene produces … Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Files available from the ACS website may be downloaded for personal use only.

Sang-Eon Park, Jin S. Yoo, in Studies in Surface Science and Catalysis, 2004. The ODE with CO2 was reported previously in refs. The …

phenylacetylene, α-methylstyrene, β-methylstyrene, etc, were conducted as well. Moreover, there is a possibility that combined exposure to toluene along with ethylbenzene might have altered the rate of solvent metabolism.

Conventionally, the production of EB is based on the alkylation of C6H6 with pure C2H4. Xie, ... Y.-D. Xu, in Studies in Surface Science and Catalysis, 2001. A pilot plant has been operating since 2002 and commercialisation could be … The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.jpclett.0c02729.

The alkylation of benzene with ethylene produces ethylbenzene as the primary product, but subsequent alkylation of EB produces a variety of polyethylbenzenes. 2002).

Health effects from exposure to styrene may involve the central nervous system and include complaints of … A third-generation process had a second reactor dedicated to transalkylation (298). x��][��q~�_�/���Ҏ�~Q^"S�eE���U��$��,rwE.%���f��n��`��C�dkxfpk4�ލ��ˢ��K����>���p��������?��7/�~>������O_����4�Ϋ�(����g���:��b��|h�b����g��~�o����iw��(��������-��vo��fl�z�����z�=��/4�۩��+�$�����ɵ����i=���}U�،���Ƕ�v�ݷco?����n�hO}��I�ۏ�4U��������f~�ue�{�[sߟ����_r��}�g~�7��۽}]���^vu�[1D��ou�TNuS��q�e��؊�F�����⃗�+^�+S����*���?�_�5U_4 /���X�^��7�W;X;������'�~h^��Ǻ��qP��_��Se���C��Ǻ1}^�=�:���j��?�0 +�`�x�J�C4��_ (�75��Y���>y�����}��ԯ������-��V.�����v�{q@����i��I���������)������l՜y�O�p!W�SA#�HGL_ד� ����Hx1����1���������;�y&��d0��Ek�������'Æ,���Km.� �3�0]�mfb������5�T���)3����^3��W������Խ]x|������ES�U]�f)���;~ߙpA���[��]X�4������ޠ����j1�3C��n0���nv����l���773�*��df^���uS6���ހ�(ˊԆ�0q����F#�Ƕ��A�d0�ow���^��++ ���2]�~B. A preheated mixture of ethylbenzene vapor and superheated steam passed over one of several possible dehydrogenation catalysts preheated to 620–640 °C crack 30–40% of the ethylbenzene in one pass (Eq. 2000), making ethylbenzene the most potent ototoxic aromatic hydrocarbon.

Hydrogen produced in the dehydrogenation side diffuses through the membrane and assists in shifting the equilibrium conversion of ethylbenzene and the yield of styrene … Ethylbenzene (EB) is an important intermediate for the production of styrene.

This dehydrogenation process involves the catalytic reaction of ethylbenzene.

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