The City of Calgary, Alberta, is looking for “interested parties to beneficially use up to 10,000 dry tons of dewatered biosolids and or up to 6,000 dry tones of thickened biosolids," according to an article in the Calgary Sun newspaper.
For the past 30 years, the city has given its biosolids product, called Calgro, to local farmers as fertilizer and soil conditioner. The material is loaded into tanker trucks and hauled to farms, where it is injected into the soil.
Yearly production amounts to about 10,000 tanker truck loads and 20 million kilograms (44 million pounds) of material. “The City
