by-product


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by-product

a product which results from a common production process but which is secondary to the main product being produced from that process. The refining of crude oil to produce petrol, for example, also produces by-products such as tar and creosote. See BY-PRODUCT PRICING, PROCESS PRODUCTION.

by-product

a product that is secondary to the main product emerging from a production process. For example, the refining of crude oil to produce petroleum generates a range of by-products like bitumen, naptha and creosote.
References in periodicals archive ?
3]-N concentration from the black tea by-product than from the green tea by-product due to PEG addition indicate that tannins in black tea byproduct could suppress rumen fermentation more strongly than that in green tea by-product.
He has led by-product synergy initiatives since the mid-1990s.
Douglas Scott, of the Scottish Federation of Meat Traders Association, said: 'The animal by-product regulations mean that bones can't be sent to landfill sites.
The Ironman gypsum was applied in both the 2-10 mm pelletised form and the <10 mm unpelletised by-product.
Because natural gas contains significantly more hydrogen than biomass by weight, it's economically prudent for the process to be part of a system that uses biomass by-products or that makes additional products, such as fertilizer, says Chum.
The book will be of use to anyone interested in by-product processes or by-product utilization, those interested in recycling, people interested in a classic example of re-utilization of valuable material, and those involved in the health area who are interested in disease prevention.
The open gas flame method, while effective in some cases, presents the open flame hazard and can more readily form oxidative and flame by-product deposits on the conductor.
Also known as "green twinning," "industrial symbiosis," and "zero waste/zero emissions/100% product emissions," by-product synergy emphasizes the cooperation among diverse industries, agriculture, and communities that results in profitable conversion of by-products and wastes to resources promoting sustainability.
Dennis Levine is a by-product of Wall Streets'lax value system, just as surely as Michael Deaver was influenced by what he thought normal in Washington and Janet Cooke was a by-product of the relaxed standards of the new journalism.
Argon is a by-product of oxygen production, driven primarily by demand from the steel and chemical industries.
LOUIS, May 7, 2015 /PRNewswire/ -- Purina issued the following response to Blue Buffalo's admission in court yesterday that a "substantial" and "material" portion of Blue Buffalo pet food sold to consumers contained poultry by-product meal, despite pervasive advertising claims to the contrary.
As component of seaweeds and seaweed by-products were substantially similar, seaweed by-product considered to be useful by feed additive.