Effluent treatment Supercritical fluids 6 Cage effect 4 Compressed gas 4 Diazene 4 Ethyl radicals 4 Photolysis 4 article 4 (1 biphenyl 4 yl 1 methylethyl) tert butyl diazene 2 (1-biphenyl-4-yl-1-methylethyl)-tert-butyl diazene 2 AAS 2 Absorbance 2 Absorption 2 Absorption spectroscopy 2 Arsenic 2 Arsenic speciation 2 Arsenicals 2 Atomic absorption spectrometry 2 Biphenyl Compounds 2 Biphenyl moiety 2 C-O stretching 2 Chlorine compounds 2 Constant temperature 2 Conventional extraction 2 Critical points 2 Disproportionation 2 Distillation 2 Electronic energies 2 Energy transfer 2 Environmental footprints 2