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Nanotech discovery may green chemical manufacturing

Date:
February 17, 2010
Source:
McGill University
Summary:
A new nanotech catalyst offers industry an opportunity to reduce the use of expensive and toxic heavy metals.

A new nanotech catalyst developed by McGill University Chemists Chao-Jun Li, Audrey Moores and their colleagues offers industry an opportunity to reduce the use of expensive and toxic heavy metals. Catalysts are substances used to facilitate and drive chemical reactions. Although chemists have long been aware of the ecological and economic impact of traditional chemical catalysts and do attempt to reuse their materials, it is generally difficult to separate the catalyzing chemicals from the finished product. The team's discovery does away with this chemical process altogether.

Li neatly describes the new catalyst as "use a magnet and pull them out!" The technology is known as nanomagnetics and involves nanoparticles of a simple iron magnet. Nanoparticles are sized between 1 and 100 nanometres (a strand of hair is about 80,000 nanometres wide). The catalyst itself is chemically benign and can be efficiently recycled. In terms of practical applications, their method can already be used to generate the reactions that are required for example in pharmaceutical research, and could in the future be used to achieve reactions necessary for research in other industries and fields.

The discovery was published in Highlights in Chemical Science on January 18, 2010.


Story Source:

The above story is based on materials provided by McGill University. Note: Materials may be edited for content and length.


Cite This Page:

McGill University. "Nanotech discovery may green chemical manufacturing." ScienceDaily. ScienceDaily, 17 February 2010. <www.sciencedaily.com/releases/2010/02/100216142338.htm>.
McGill University. (2010, February 17). Nanotech discovery may green chemical manufacturing. ScienceDaily. Retrieved October 22, 2014 from www.sciencedaily.com/releases/2010/02/100216142338.htm
McGill University. "Nanotech discovery may green chemical manufacturing." ScienceDaily. www.sciencedaily.com/releases/2010/02/100216142338.htm (accessed October 22, 2014).

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