(Jimmy) Wells, Principal Researcher, Ethylene Oxide Catalyst Research and … >> Han van Milligen, Shell Global Solutions 15 0 obj 16 0 obj /D [1 0 R /XYZ null 256 null] 26 0 obj << 23 0 obj >> << << endobj /D [1 0 R /XYZ null 231 null] >> The introduction of high-performance endobj << << >> endobj << 66 0 obj >> i� %�8��J2]�Ǿ>=މh^79�i1�/C /D [1 0 R /XYZ null 319 null] << In this two-step process, most of the MEG forms in an EO-free environment, which minimises the co-production of heavier glycols and results in a MEG yield of more than 99%. 78 0 obj /D [1 0 R /XYZ null 182 null] >> /D [1 0 R /XYZ null 231 null] This process typically yields about 90–92% monoethylene glycol (MEG) and 8–10% heavier glycol products, mainly diethylene glycol (DEG) and triethylene glycol (TEG). endobj /I << >> 76 0 obj 28 0 obj /D [1 0 R /XYZ null 307 null] /D [1 0 R /XYZ null 219 null] << endobj 69 0 obj endobj HS catalysts had a life approximately half this. << << •    EO recovery (Jimmy) Wells, CRI Catalyst Company. Since then, however, there has been an incredible journey of continuous improvement for EO catalyst performance, including substantial increases in catalyst selectivity, stability and productivity. /D [1 0 R /XYZ null 764 null] Diethylene >> 57 0 obj A more modern technology is to react EO with CO2 to form ethylene carbonate (EC) and subsequently react the EC with water to form MEG, both reactions being catalysed. Most notably, the new designs were based on lower volumetric production rates (referred to as the catalyst work rate) and lower reactor inlet carbon dioxide (CO2) concentrations. >> 50 0 obj 72 0 obj endobj >> The markets for ethylene oxide (EO) and ethylene glycol (EG) continue to see attractive growth. /D [1 0 R /XYZ null 269 null] << >> >> . << endobj endobj 31 0 obj EO is recovered from the reactor product gas by absorption in water. Enhancements in Ethylene Oxide/Ethylene Glycol manufacturing technology. endobj << /D [1 0 R /XYZ null 332 null] H��Wٮ��}7p��_��%��Ι'�̵� l9 灖�%�D��k��S�T7I]�����U��~�=��ӛ�X3[>����$��7/b[���q�����U­�J�~�fuzx%q���\G�0y~x�����AFep�¨Z�a�&��:��qh�s�$Xc��F�P��*���W�X:�uQ�&�_���c8�NV�d�Ee�I9h�Aլp�[�`�t���}�#���ǰ��Š���)H�3�)��K�j'��Sh����߇i�5�`d�s���B[��-M���Aڤ�MMie�Rm���-p`�$�W���|2뢀*R��S�����v�#���Pٸ��K9��h�,�p� n_��^���������0-�7�pa/$s�lJ�� ���~y�ca�'ɹSf�a��g�A� �J�Y�A��Qot�-�3�\��Tz�S�~��MoCN�$3�V.w��hK�?����z3-U3���i��N'�>�{ر7�����a*y�Q>�i�AyX����Ik�Хɣ��Տ����Jƀ� �D�"����4j���G:qߛzDa�1a�{�o��rL��I��q��J����=���L����mu���Iܔw�?��r+#�G�-�$7U��e� �U���z�?��DB�o[�� /D [1 0 R /XYZ null 359 null] VwQ�g�ŧy���$� �يG%�?���.��-�^y�j#j3G���}��w��x�=�`ڿ�y�~��1�7�,��&8]\��~9�u"���$^F�$��l0]t^2��u��lZ��B'�!cS��'��F5$���^y�ry�zmՌNO���ѱH��w@��BQ� �wiq�k�B:n�� �sl�~)&P�;� 8�w���v6=֖�L���Zs\����d��F�?��� �h��5rV�G�S��tȢ�Q�!�I�eXWŶ|j�u�A�-e �0�61S e���5z����E�@.��v/^3�o��[m%f$H�I�:�:ט���륉`]"X��6.�`�L�Xou�P~�)��@�5�t��2h)�S��2�u܅�P���3h�X9�ٚڜ ����X;2��A���f��q��l��R���$-���s����ۂ�~�2�����G���mE�{�!I 37 0 obj /D [1 0 R /XYZ null 194 null] 58 0 obj << It can be found at: www.intratec.us/analysis/butanediol-production-cost.…, This column is based on “Ethylene Dichloride from Ethylene and Chlorine,” a report published by Intratec. The plant has the operating flexibility to produce a range of products depending on the alcohol feedstock and operating variables. 40 0 obj It can be found…, This column is based on “Acrylonitrile Production from Propylene,” a report published by Intratec. << /D [1 0 R /XYZ null 244 null] << �-hd�nosz�=�U �� �,�N���%��KV'��o����A�N' ތ`�9%����Y�Up��;#��{ѐ�dIr�w�h��m�B�w_�}�����mJ|�:f/�QBQ4U]�Ć� �H�k��/�gI-�f�������t�z�O�����٣�3�����1��!��)Qj�zU�U�[���/����$.� >> Scientific Design's technology offers a proven, safe, flexible, catalytic process for the production of ethylene glycol ethers. endobj << EO is produced by reacting ethylene with oxygen over a silver-based catalyst. 36 0 obj << >> >> These reactions take place in an isothermal (tubular) reactor at temperatures of 230–270°C. Background and early history of EO catalysts /D [1 0 R /XYZ null 269 null] << << << •    Light ends (LE) removal with optional EO purification >> /D [1 0 R /XYZ null 294 null] /D [1 0 R /XYZ null 153 null] The name ethylene glycol refers literally to “the glycol made from ethylene.” Its systematic name is ethane-1,2-diol. >> /Producer (\376\377\000A\000c\000r\000o\000b\000a\000t\000 \000D\000i\000s\000t\000i\000l\000l\000e\000r\000 \0003\000.\0000\0001\000 \000f\000o\000r\000 \000W\000i\000n\000d\000o\000w\000s)

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