Mechatherm International Ltd. in the United Kingdom and BOC, Murray Hill, N.J., are offering secondary aluminum and dross processors, a combined furnace and combustion package, to enhance the energy efficiency, productivity and environmental performance of their melting operations. Under the partnership, BOC will combine its low emission swirl (LES) oxy-fuel burner technology with Mechatherm's oxygen-assisted combustion systems, technology and combustion knowledge.