Reused sump at the bottom of a ceramic zinc distillation column was partially blocked, allowing superheated liquid zine to build up in the colum, which "explosively decompressed," killing two ...

A 2010 explosion that killed two workers at a former Horsehead Corp. zinc oxide plant in western Pennsylvania was caused by recurring problems with a sump system that the company failed to address, ...

A three-member team from the Chemical Safety & Hazard Investigation Board (CSB) will investigate an explosion and fire that killed two workers at a Pennsylvania zinc-refining facility on July 22. That ...

Currently the typical way that crude oil is processed involves a fractional distillation column, in which heated crude oil is separated into the various hydrocarbon compounds using distinct boiling ...

PITTSBURGH (AP) — A 2010 explosion that killed two workers at a former Horsehead Corp. zinc oxide plant in western Pennsylvania was caused by recurring problems with a sump system that the company ...

PITTSBURGH (AP) - A 2010 explosion that killed two workers at a former Horsehead Corp. zinc oxide plant in western Pennsylvania was caused by recurring problems with a sump system that the company ...