by Seth Johnson-Marshall | Feb 9, 2023 | AD problems
A Case Study: Catastrophic Pollution, River Teifi FollowFollow On 17th December 2016, around 44,000 gallons of pollutant leaked into the Teifi from an anaerobic digestion plant near Tregaron. It killed an estimated 18,000 fish on a five-mile stretch of this...
by Seth Johnson-Marshall | Feb 7, 2023 | AD problems
A Case Study: Diffuse Pollution From Digestate Spreading FollowFollow This map shows the location of the AD plant in relation to the Wye and Usk SAC rivers and its digestate spreading areas. The Wye tributary that drains the spreading areas is the Afon Llynfi. Its...
by Seth Johnson-Marshall | Jan 12, 2023 | AD problems
Crops to Feed AD Plants FollowFollow This is a problem that the AD industry itself recognises. Putting aside questions over taking land out of food production, the growing of maize for anaerobic digestion is never beneficial for rivers and usually quite damaging for...
by Seth Johnson-Marshall | Jan 12, 2023 | AD problems
AD plants that have caused catastrophic pollution have sometimes been operating without a permit from Natural Resources Wales nor even planning permission. The accident on the Teifi in 2016, which killed 18,000 fish, is an example of an AD plant operating with...
by Seth Johnson-Marshall | Jan 11, 2023 | AD problems
Excessive nutrients change the ecology in rivers and can cause severe algal blooms, as seen in the Wye catchment in recent years. In addition to energy, AD plants’ end product is digestate, a liquid substance that is high in phosphorus and other nutrients which...
by Seth Johnson-Marshall | Jan 10, 2023 | AD problems
The incorrect assumption that Natural Resources Wales is regulating the spreading of digestate and protecting SAC rivers has allowed planners to approve developments that will probably damage them. In late 2021, a new poultry unit in the Wye catchment was allowed to...
