What is white liquor, the caustic chemical involved in the Longview paper mill disaster?

The process of paper making involves several chemicals that can cause serious injuries if a person is exposed to them.
Fast Company

To use fewer trees and less water, this paper is made from grass

Processing wood into paper requires a lot of water, energy, and chemicals. Creapaper mixes in grass, reducing the need for trees—and all the resources necessary to process them. As the backlash ...
Duluth News Tribune

Sappi Paper among winners in pollution prevention

Sappi Fine Paper's Cloquet mill is one of six statewide winners of the 2010 Minnesota Governor's Awards for Pollution. Sappi made significant changes in the pulp-making process that reduced the ...
The Baltimore Sun

A Maryland paper mill burns a polluting sludge called black liquor. The state calls it green energy.

The paper mill hulks over a bend in the Potomac River Valley, a castle of pale blue metal between steep green slopes. Clouds of steam billow from its towers. The Luke Mill, the largest employer in ...
Harvard Business School

Note on Process Control in Pulp and Paper Making

Bohn, Roger E., and Michael D. Watkins. "Note on Process Control in Pulp and Paper Making." Harvard Business School Background Note 687-061, February 1987. (Revised April 1989.) ...