نتایج جستجو برای: methanol to olefins mto

تعداد نتایج: 10625400  

2016
Dionissi Aliprantis Francisca G.-C. Richter

This paper finds evidence of positive neighborhood effects on adult labor market outcomes using the Moving to Opportunity (MTO) housing mobility experiment. Our results stand in such sharp contrast to the current literature because our analysis focuses on outcomes of the subpopulation induced by the program to move to a higher quality neighborhood, while previous analyses have focused on outcom...

Journal: :Mathematical and Computer Modelling 2009
Chin-Sheng Chen Siddharth Mestry Purushothaman Damodaran Chao Wang

This paper addresses the short-term capacity planning problem in a make-to-order (MTO) operation environment. A mathematical model is presented to aid an operations manager in an MTO environment to select a set of potential customer orders to maximize the operational profit such that all the selected orders are fulfilled by their deadline. With a given capacity limit on each source for each res...

Silicoaluminophosphate (SAPO-34) molecular sieve doped with transition metals, Mn and Ni, with different molar ratios (Mn/Ni=0.33, 3) were investigated for their activity, selectivity and lifetime in biomethanol to olefins reaction. MnNiAPSO-34 nanostructured catalyst was synthesized by hydrothermal method and addition of metals was carried out by isomorphous substitution into the crystalline f...

2014
Graham E. Dobereiner Gulin Erdogan Casey R. Larsen Douglas B. Grotjahn Richard R. Schrock

A tandem catalytic reaction has been developed as part of a process to discover tungsten-based olefin metathesis catalysts that have a strong preference for terminal olefins over cis or trans internal isomers in olefin metathesis. This tandem isomerization/terminal olefin metathesis reaction (ISOMET) converts Cn trans internal olefins into C2n−2 cis olefins and ethylene. This reaction is made p...

Journal: :Hydrogen 2021

The substantial growth in shale-derived natural gas production the US has caused significant changes chemical and petrochemical markets. Ethylene of ethane naphtha via steam cracking is one most energy- emission-intensive activities manufacturing. High operating temperatures, high reaction endothermicity, complex separation create energy demands as well considerable CO2 emissions. In this study...

2010
Jie Zhuang Qineng Ping Yunmei Song Jianping Qi Zheng Cui

The objective of this work was to evaluate the physical properties and in vivo circulation of chitosan (CH)-coated liposomes of mitoxantrone (MTO). Changes in particle size and zeta potential confirmed the existence of a coating layer on the surface of liposomes. The in vitro release of adsorbed CH from the liposomes was significantly slower than CH solution, indicating the stable interaction b...

Journal: :Organic & biomolecular chemistry 2009
Omar Boutureira Joanna F McGouran Robert L Stafford Daniel P G Emmerson Benjamin G Davis

A systematically varied series of conformationally restricted ketones, readily prepared from N-acetyl-D-glucosamine, were tested against representative olefins as asymmetric epoxidation catalysts showing useful selectivities against terminal olefins and, in particular, typically difficult 2,2-disubstituted terminal olefins.

2017
Romain Guillaume Bernard Grabot Caroline Thierry Romain GUILLAUME Bernard GRABOT Caroline THIERRY

Production systems are often classified according to the way production is released, e.g. make-to-stock (MTS), make-to-order (MTO), assembly-to-order (ATO) or engineer-toorder (ETO). The choice of a type of production depends on the decoupling point between customer and supplier. In some supply chains, like in the aeronautical sector, a customer may work according to a MTO process (since his pr...

Journal: :Journal of the American Chemical Society 2001
K Chiba T Miura S Kim Y Kitano M Tada

Electrochemical reactions have proven to be valuable means for reversing the polarity of alkenes and triggering radical anionor radical cation-based cyclizing reactions. Anodic olefin coupling initiated by oxidation of electronrich olefins can provide powerful tools for achieving intramolecular cyclization reactions and building new ring systems. In this case, several combinations of olefins ca...

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