EDMONTON-when people in the company's newsprint Alberta first seen tomatoes grown in sludge waste pulp them, they have a chuckle.
"We think because a small number of sanitary waste LANDFILL sites we treated in, and because the tomato seeds pass through the human digestive system, it ate tomatoes staff source," joked And Moore, Coordinator of the Whitecourt papermaking plant environment.
"But the bigger question is, ' Why is sludge plant pulp was so friendly? ' ”
So they called on researchers. And what followed was a project for a decade that has changed the way three pulp mills of Alberta allowed to deal with them in mud.
The work towards the end of expensive burning and landfilling of mud, and local farmers were given an excellent fertilizer. In the future, it might offer the oil and gas company in a better way to reclaim its former site is good.