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Extraordinary ash. Focus Secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

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Focus Description:

On the back of the viewer's hand, the magician applies ashes. He asks him to clench his hand into a fist and says: "Shake it off." Then he asks to open his fist and look at the palm - the ashes were there!

Focus secret:

When you apply the ashes to the back of your hand, apply it discreetly to your palm as well. When the volunteer clenches his fist and shakes off the ashes, the ashes stick to the very palm of his hand.

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Biomass plastic - cheap and cheerful 18.05.2012

A team of chemical engineers at the University of Massachusetts Amherst have developed a new, low-cost way to produce plastic from biomass. The new chemical process in the laboratory demonstrates a high 75% efficiency in processing biological raw materials into p-xylene - a key component for the production of, for example, plastic bottles.

The key to success was the use of a zeolite catalyst that prevents side reactions and converts the feedstock into valuable p-xylene.

The industry currently produces p-xylene from petroleum. The obtained xylene is used to make polyethylene terephthalate, which is used for a wide range of plastic products: food packaging, synthetic fibers, automotive parts, etc. However, the volatile oil price and the high cost of processing negatively affect the price of many products that use p-xylene.

The new process converts glucose into p-xylene in a three-step reaction using a zeolite catalyst. The process takes place in a high-temperature reactor containing biomass. This is a major breakthrough, since all other methods for obtaining p-xylene from renewable sources are either very expensive (for example, fermentation) or inefficient due to the low yield of a useful product.

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