TY - JOUR
T1 - Experimental Study on the Reaction of CCl3F and CH4 in a Dielectric Barrier Discharge Nonequilibrium Plasma Reactor
AU - Kundu, Sazal K.
AU - Kennedy, Eric M.
AU - MacKie, John C.
AU - Holdsworth, Clovia I.
AU - Molloy, Thomas S.
AU - Gaikwad, Vaibhav V.
AU - Dlugogorski, Bogdan Z.
PY - 2016/1/20
Y1 - 2016/1/20
N2 - The reaction of CCl3F (CFC-11) with CH4 (in an argon bath gas) in a dielectric barrier discharge nonequilibrium plasma was examined. Oxygen and nitrogen were excluded from the feed stream and the reactions resulted in the production of fluorine-containing polymers, as well as a range of gaseous products including H2, HCl, HF, C2H3F, C2H3Cl, C2H2ClF, CHCl2F, CCl2F2, CH3Cl, CH2Cl2, CHCl3, and C2Cl4. The polymeric material synthesized during reaction is characterized as being non-cross-linked and random in nature, containing functional groups including CH3, CH2, CHCl, CHF, CF2, and CF3. The conversion level of CCl3F increased from 37% to 63% as the input energy density increased from 3 to 13 kJ L-1 (the applied voltage range was 14.1 to 15.2 kV, peak-peak). The electrical discharge was characterized and found to be a slight modification of filamentary discharge toward a diffuse discharge due to the presence of the relatively low concentration of CCl3F and CH4 (less than 2% each) in argon. A reaction mechanism is proposed describing the formation of gas phase, as well as polymeric products.
AB - The reaction of CCl3F (CFC-11) with CH4 (in an argon bath gas) in a dielectric barrier discharge nonequilibrium plasma was examined. Oxygen and nitrogen were excluded from the feed stream and the reactions resulted in the production of fluorine-containing polymers, as well as a range of gaseous products including H2, HCl, HF, C2H3F, C2H3Cl, C2H2ClF, CHCl2F, CCl2F2, CH3Cl, CH2Cl2, CHCl3, and C2Cl4. The polymeric material synthesized during reaction is characterized as being non-cross-linked and random in nature, containing functional groups including CH3, CH2, CHCl, CHF, CF2, and CF3. The conversion level of CCl3F increased from 37% to 63% as the input energy density increased from 3 to 13 kJ L-1 (the applied voltage range was 14.1 to 15.2 kV, peak-peak). The electrical discharge was characterized and found to be a slight modification of filamentary discharge toward a diffuse discharge due to the presence of the relatively low concentration of CCl3F and CH4 (less than 2% each) in argon. A reaction mechanism is proposed describing the formation of gas phase, as well as polymeric products.
UR - http://www.scopus.com/inward/record.url?scp=84955285609&partnerID=8YFLogxK
U2 - 10.1021/acs.iecr.5b04010
DO - 10.1021/acs.iecr.5b04010
M3 - Article
AN - SCOPUS:84955285609
VL - 55
SP - 463
EP - 471
JO - Industrial and Engineering Chemistry Research
JF - Industrial and Engineering Chemistry Research
SN - 0888-5885
IS - 2
ER -