Jones Celtic BioEnergy awarded contract by Severn Trent Green Power

JCBE-Derby-AD-In-Text

Following a competitive tender process, Jones Celtic BioEnergy (JCBE) was awarded a contract to design, build and commission a bio-waste anaerobic digestion (AD) facility in February 2017 for Severn Trent Green Power. The AD facility will be located adjacent to the Severn Trent Water sewage works at Spondon in Derby.

The facility is designed to process 48,500 tonnes per annum of bio-waste sourced in the vicinity of Derby including food waste. This will result in a significant contribution to the diversion of this resource from landfill while harnessing the inherent renewable energy potential that would otherwise be lost. The bio-waste will be supplemented with sustainable biomass, i.e. the plant will not process any conventional energy crops. The facility includes a thermo-pressure hydrolysis (TPH) pre-treatment process for the incoming waste to allow for high efficiency performance of the subsequent AD process.  Pre-treated input substrates will be held in buffer tanks ahead of transfer to two primary digesters where the bulk of the biogas production will occur. From there the substrate will be transferred to a secondary digester where the final stabilization of the digestate will occur to achieve the PAS 110 standard. The biogas produced will be upgraded to biomethane at the site and injected to the gas grid so that the biomethane can be utilized as a renewable source of energy for cooking and heating in Derby. The digestate will be utilized as a bio-fertilizer and soil conditioner on farms in Derbyshire.

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