Researchers transform pulp waste into oil patch odour eater

Biomaterials
Typography

90,000 tonnes of fly ash ends up in Alberta landfills annually


The Ziploc bag in Dr. Jean Cai’s tidy lab at NAIT is filled with what look like peppercorns. But these small, round pellets hold great promise as a new, low-cost and environmentally safe way to remove noxious hydrogen sulphide at natural gas wellheads, water treatment plants and pulp mills.

Made from fly ash – a waste product from pulp and paper mills – the pellets are proving to be extremely effective at absorbing and filtering hydrogen sulphide, the rotten-egg-smelling gas produced in many industrial processes that, in high concentrations, is poisonous, corrosive and flammable.

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Source: techlifetoday.ca

 

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