After an air-quality agreement Canada signed in the 1990s, P.E.I.’s precipitation no longer falls into the range of acid rain ...

Precipitation reaction: A chemical process in which dissolved ions combine to form an insoluble solid. Reaction-diffusion: The coupled process of chemical reactions and the diffusion of reactants, ...

Simple way to precipitate phosphorus from the wastewater of a pulp mill Date: November 21, 2012 Source: Aalto University Summary: Researchers have developed a simple method for reducing the amount ...