autocatalysis

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autocatalysis

[¦ōd·ō·kə′tal·ə·səs]
(chemistry)
A catalytic reaction started by the products of a reaction that was itself catalytic.
References in periodicals archive ?
Looking forward, the auto industry's consumption of platinum will increase again in 2007, with use in autocatalysts on light and heavy duty diesel vehicles (larger trucks) responsible for most of the rise.
73 million ounces, driven by a return to positive net physical investment and higher autocatalyst purchasing, moving the palladium market into a deficit of 915,000 oz.
Although autocatalyst and industrial demand for palladium rose, the sale of metal from Russian government-controlled inventories, together with a large amount of metal released from ETFs, meant that the palladium market moved into oversupply last year.
This reversal of trend was almost completely attributable to supply side factors with refined metal outturn from the three major sources; mining, autocatalyst recycling and the recycling of old jewellery scrap contracting sharply last year, by 10 per cent, nine per cent and 19 per cent respectively.
Prospects for all our business remain very encouraging, particularly in catalysts where global concerns about pollution and climate change will continue to drive current and future sales of our autocatalyst and process catalyst products.
Revenue in the core autocatalyst division rose 11pc in the 12 months once the impact of lower prices for platinum and palladium metals was stripped out.
Table 35: World PGM Market (2012): Percentage Breakdown of Autocatalyst Palladium Demand by Vehicle Type (includes corresponding Graph/Chart) II-40 Table 36: World Light Duty Diesel (LDD) Autocatalysts Market (2012): Percentage Breakdown of Demand by PGM Type (includes corresponding Graph/Chart) II-40
Despite the downside risks, technology changes in light duty European autocatalysts and a return to full production levels in Japan will lead to higher autocatalyst demand.
Johnson is thought likely to say that it has benefited from robust autocatalyst demand and high precious metal prices.