GFM Network News


Austin Allred stands in front of the BioFiltro system installed on his 5,000-cow dairy in Washington state. The system, the first in North America, treats waste water in a matter of hours.

Waste not, want not — a different way to treat farm effluent

Chilean biowaste filtering system is an alternative to lagoons in treating liquid waste from dairies

Farmers know that earthworms are good for the soil — now they’re being used to process liquid waste from dairies, hog operations, and slaughterhouses. The process not only provides faster treatment than using lagoons, but also significantly reduces concentrations of nitrogen, phosphorus, and potassium and therefore the need for as much farmland to dispose of […] Read more

Open-pen feedlot manure is collected from Highland Feeders for use in anaerobic digesters to produce biogas at the neighbouring 
Hairy Hill facility.

Patents boost Alberta biogas company’s plans for expansion

Himark BioGas can now let potential clients independently 
assess the engineering of its leading-edge technology


It’s been in the works for about a decade, but North American and international patents have been issued to Alberta-based Himark BioGas International for its unique biogas production technology. It’s a major step for the company, which was created to find a way to use manure from Highland Feeders as a biogas feedstock. “It’s part […] Read more