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 ?
Animal by-products can be divided into three categories, depending on how dangerous they are to public and animal health, with Category 1 being the most dangerous.
Government subsidies earmarked for oil by-products stand at BD200 million to BD240m per annum.
Green and black tea by-products were acquired from a local ready-made tea drink factory.
The fermentation procedure uses two main by-products of whisky production - 'pot ale', which is the residue left in copper stills, and 'draff', the spent grains.
The researchers also wanted to examine the effect of titanium dioxide on the texture and color properties of gels made from proteins that had been recovered from dark chicken meat by-products, and compare them to gels made from chicken breast meat.
Someus, a Swedish environmental engineer specializing in soil and agriculture, explains the AGROCARBON technology, which entails recycling agricultural organic and mineral by-products to provide carbon products for amending soil and restoring its natural balance.
The text introduces the concept of end point' in the manufacturing chain of animal by-products, after which the processed products are no longer subject to the animal by-products regulation, as some potential risks have been eliminated, for example by heat or chemical substances; instead, the general rules on product safety apply.
In this context, by-products from fruit and vegetable processing such as peels, seeds and stems have attracted intense interest during the past decade.
Summary: Algeria's imports of cereal and by-products, of medicines, milk and dairy products almost doubled reaching US$ 7.
The pounds 24million operation would use by-products from making whisky to create enough power for 9000 homes.
THE EUROPEAN Union (EU) scientific committee for the food chain and animal health has approved a mandatory colour-coding system for packaging containing meat by-products moved between EU member states.
SRI Consulting has released its new Chemical Inputs and By-Products of Biofuels report.