Abstract: A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

Abstract: A method for preparing a purified styrene composition is provided. The method includes providing a crude composition and subjecting the crude composition to at least one crystallization step. The crude composition contains 70% by weight or more styrene based on the total weight of the crude composition. The at least one crystallization step comprises at least one of a static crystallization stage and a dynamic crystallization stage. The crude composition contains at least one impurity selected from the group consisting of: color inducing species, oxygenates, sulfur species, alpha-methylstyrene, and mixtures thereof.

Abstract: A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

Abstract: A method for preparing a purified styrene composition includes providing a crude hydrocarbon composition containing styrene, subjecting the crude hydrocarbon composition to a distillation in a divided-wall column to produce an overhead hydrocarbon stream, a bottom hydrocarbon stream and a side hydrocarbon stream and subjecting the side hydrocarbon stream to at least one crystallization step to obtain a purified styrene composition.

Abstract: A process for preparing a purified benzene composition from a crude hydrocarbon stream containing at least 10% by volume of benzene is provided. The process comprises subjecting the crude hydrocarbon stream and a further recycled benzene containing stream to a solvent-based extraction so as to produce a benzene enriched aromatic stream and a benzene depleted non-aromatic stream, subjecting the benzene enriched aromatic stream to a hydrodesulfurization so as to obtain a desulfurized aromatic stream, subjecting the desulfurized aromatic stream to a distillation producing a purified benzene stream and a further benzene containing stream having a benzene concentration of between less than 100% by weight and the azeotropic benzene concentration, and at least partially recycling the further benzene containing stream.

Abstract: A method for preparing a purified styrene composition is provided. The method includes providing a crude composition and subjecting the crude composition to at least one crystallization step. The crude composition contains 70% by weight or more styrene based on the total weight of the crude composition. The at least one crystallization step comprises at least one of a static crystallization stage and a dynamic crystallization stage. The crude composition contains at least one impurity selected from the group consisting of: color inducing species, oxygenates, sulfur species, alpha-methylstyrene, and mixtures thereof.

Abstract: A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

Abstract: Methods, systems, and devices for image processing are described. The method includes detecting blurring in one or more images from a stream of images captured by a camera based on monitoring the stream of images, identifying a level of zoom based on detecting the blurring, selecting an autofocus configuration from a set of autofocus configurations based on the identified level of zoom, and performing an autofocus operation using the selected autofocus configuration.

Abstract: Methods, systems, and devices for image processing are described. The method includes detecting blurring in one or more images from a stream of images captured by a camera based on monitoring the stream of images, identifying a level of zoom based on detecting the blurring, selecting an autofocus configuration from a set of autofocus configurations based on the identified level of zoom, and performing an autofocus operation using the selected autofocus configuration.

Abstract: Apparatuses, systems and methods for separating heavy hydrocarbons from a solvent stream are disclosed. The heavy hydrocarbons and solvent can be recovered and processed further.

Abstract: Apparatuses, systems and methods for separating heavy hydrocarbons from a solvent stream are disclosed. The heavy hydrocarbons and solvent can be recovered and processed further.

Abstract: An integrated reforming and power generation process is provided. This process employs a steam methane reformer to provide a hot process gas stream and a flue gas stream, utilizes the hot process gas stream to provide heat to produce a total steam stream comprising a process steam stream and an excess steam stream, and utilizes the flue gas stream to provide heat to at least a pre-reformer mixture stream, a reformer feed stream, the process steam stream and a pre-reformer steam stream The flue gas stream also provides heat to an integrated power generation process, and the excess steam stream is less than 15% of the total steam stream.

Abstract: An integrated reforming and power generation process is provided. This process employs a steam methane reformer to provide a hot process gas stream and a flue gas stream, utilizes the hot process gas stream to provide heat to produce a total steam stream comprising a process steam stream and an excess steam stream, and utilizes the flue gas stream to provide heat to at least a pre-reformer mixture stream, a reformer feed stream, the process steam stream and a pre-reformer steam stream The flue gas stream also provides heat to an integrated power generation process, and the excess steam stream is less than 15% of the total steam stream.