[1] Brunel Univ London, Inst Energy Futures, Coll Engn Design & Phys Sci, Uxbridge UB8 3PH, Middx, England
[2] Wroclaw Univ Sci & Technol, Fac Environm Engn, Wyb Wyspianskiego 27, PL-50370 Wroclaw, Poland
[3] Brunel Univ, Expt Tech Ctr, Uxbridge UB8 3PH, Middx, England
[4] Kingston Univ, Sch Pharm & Chem, Kingston Upon Thames KT1 2EE, Surrey, England
[5] Manik Ventures Ltd, Offenham Rd, Evesham WR1 8DX, Worcs, England
[6] Mission Resources Ltd, Offenham Rd, Evesham WR1 8DX, Worcs, England