By-product


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by-product

[′bī‚präd·əkt]
(engineering)
A product from a manufacturing process that is not considered the principal material.

By-product

Material, other than the principal product, generated as a consequence of an industrial process or as a break-down product in a living system.
References in periodicals archive ?
Our Operating cash cost per pound of copper produced before by-product revenues allows us and our investors to monitor our cost structure and helps us address operating management areas of concern.
Dry matter ADCs values higher than 1.000 for poultry by-product meal and corn gluten meal were also reported by Allan et al.
In order to calculate the cost of fish by-product meal, only the transport and handling costs of the product were taken into account, since they are easily obtained in the fish marketing establishments of the region and the price per kilo of the product was estimated at R$ 0.55.
Because by-product gases of iron works have a lower calorie heating value than natural gas, which is widely used for GTCC power generation, stable operation of by-product-gas fired gas turbines requires advanced combustion technology.
CSIRO conducted a four-year field trial to evaluate neutralised used acid (NUA), a by-product of heavy mineral sands processing, which was added to soil at a turf farm in WA's Swan Canning catchment.
JWQ director Shaun Berry said: "JWQ have made the difficult decision not to supply by-product to smaller dimensioned stone companies.
After an analysis by the North Carolina Department of Agriculture & Consumer Services (NCDA&CS) Agronomic Division, the data indicated that the by-product material discharged from the GaiaRecycle system contained a significant amount of valuable nutrients that can be utilized in order to prevent all of the university's leftover food from being discarded into landfills.
The BPS structure, which was pioneered by the BCSD in the 1990s, establishes collaborative regional networks that allow businesses and other organizations to share information to identify opportunities for beneficial use of by-products. A facilitated methodology is used to help participants establish bilateral collaboration that recognizes that one company's waste could be another company's raw material, and to think of waste as a by-product that can bring business opportunities (Lee, Troffell, and Gordon 2009).
The new Ontario facility will help us continue being the Canadian industrial leader in food by-product collection and recovery and, to develop agricultural by-product into biomass for the production of energy", commented Sylvain Brasseur, President and CEO of Farines SPB Meal Ltd.
The Food and Drug Administration found recently that samples of a feed by-product from dozens of corn-ethanol plants were contaminated with antibiotics.