1. A H2S reactive adsorption process for the purification of biogas prior to its use as a bioenergy vector;Truong;Biomass Bioenergy,2005
2. Regulation (EC) No 1774/2002 of the European parliament and the council of 3 October 2002 laying down health rules concerning animal by-products not indented for human consumption;Official Journal of the European Union,2002
3. Commission regulation (EC) No 810/2003 of 12 May 2003 on transitional measures under regulation (EC) No 1774/2002 of the European parliament and of the council as regards processing standards for category 3 material and manure used in biogas plants;Official Journal of the European Union,2003
4. Directive 2001/77/EC of the European parliament and of the council of 27 September 2001 on the promotion of electricity produced from renewable energy sources in the internal electricity market;Official Journal of the European Union,2001