Industry separates crude oil, natural gas and chemical mixtures into pure products by means of fractionating distillation columns. This process is energy-intensive, but a new type of column structure ...

Chromatography is a proven method used to separate complex samples into their constituents, and it is undisputedly the most important procedure for isolating and purifying chemicals. It is classified ...

Students learn to identify various methods for separating mixtures to define density. Matter: Separation of Mixtures: Students learn to identify various methods for separating mixtures, to define ...

Liquid chromatography - mass spectrometry (LC-MS) combines two approaches to separate and identify molecules or compounds present in a sample. High performance liquid chromatography (HPLC) separates ...

Distillation columns are extensively deployed in the chemical process industries when there is a need for separation of components that have different boiling points. Typically, a mixture of ...

Purification of ethylene (C₂H₄), the largest-volume product of the chemical industry, currently involves energy-intensive processes such as chemisorption (CO₂ removal), catalytic hydrogenation (C₂H₂ ...