使用配备外部气体控制模块的 Agilent 4200 MP-AES 测定甲醇中的常量元素K

The conversion of Methanol to Olefins (MTO) is fast gaining momentum as an alternative a pproach to the production of light olefins (ethylene and propylene) over conventional meth ods such as naphtha steam and fluid catalytic cracking. Already commercially v iable in Chin a, MTO offers low costs of production by utilizing the abundant supply of methanol feedst ock produced from natural gas and coal. However, catalysts used during the MTO process are susceptible to deactivation by certain impurities in the methan ol feedstock. Major elem ents such as calcium, potassium, magnesium and sodium present in methanol can interfere with catalytic activity during the MTO process. Microwave Plasma Atomic Emission Spectrom etry (MP - AES) is becoming increasingly popular as a lowe r cost and safer alternative to Fla me Atomic Absorption Spectrometry (FAAS) for multi - elemental analysis of organic samples. For labs handling organic solvents, the presence of the flame of an FAAS is a concern, req uiring constant supervision.