By Dave Harcourt •
November 7, 2009
SAB Miller, South African grown, second largest brewer in the world has introduced anaerobic digestion to treat the waste leaving its Alrode Brewery in Gauteng, South Africa. Anaerobic fermentation of organic material produces methane, which is used to reduce the consumption of fossil fuel based energy.
Copper brewhouse in a Trappist brewery
Brewery Waste & Biogas
In the brewery the waste is a collection of unavoidable losses of carbohydrate and protein rich materials, which would otherwise be sold as beer or byproduct and the large quantities of water used to maintain a hygienic operation.
By Dave Harcourt •
August 27, 2009
With the numerous distressing stories on the plight of so many species, its heartening to hear of a positive development in one of the largest cities in Europe.
A century ago the Seine, which flows from the north of France, through Paris to the English Channel, hosted a large flourishing population of Atlantic salmon. The salmon migrated from the sea to their freshwater birth place to reproduce from December to June every year.
By Tina Casey •
August 1, 2009
Sewage treatment plant effluent may finally get its Cinderella moment, thanks to a new process called HYBACS developed by Bluewater Bio International. Up to now, the waste water from sewage plants has been shunted aside for disposal, typically into a nearby waterway. HYBACS transforms it into a reusable water resource, by improving the removal of nitrogen, phosphorus and other pollutants. Bluewater Bio has won a grant from the Spanish Environment Ministry to conduct a pilot test of the technology at a treatment plant near Madrid. If it proves successful, sewage treatment plant effluent could get a new life - and new respect for its role in a sustainable future.
By Tina Casey •
June 19, 2009
Good-bye honey truck, hello rocks. A mini sewage treatment plant called BIOROCK beats conventional septic systems on every level. Using rocks as a medium, BIOROCK needs little or no electricity, requires less maintenance, and produces a super-clean effluent. It’s scalable down to use for individual homes. Farms, campgrounds, trailer parks, corporate parks, subdivisions and vacation spots are other likely
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