You need other industrial by-products too.

The slag is either recycled or disposed of as an industrial by-product.

This addresses some of the problems encountered with silica fume and fly ash, which is normally produced as an industrial by-product.

I'm interested in protecting the creation of music, not its industrial by-products.

Excavations uncovered and mixed industrial by-products and wastes accumulated over 130 years.

First is the economic gain obtained by replacing a substantial part of the Portland cement by cheaper natural pozzolans or industrial by-products.

Portland cement manufacture also has the potential to benefit from using industrial by-products from the waste-stream.

Industrial units which generate heat as an industrial by-product may sell otherwise waste heat to the network rather than release it into the environment.

And these, tetrahydrofurane, cyclohexane, methylbenzene - all industrial by-products but don't let the fancy names throw you.

NDMA is an industrial by-product or waste product of several industrial processes.