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chemical physics of discharges - Argonne National Laboratory

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317<br />

i Cuencb svsten w.nnar;itus use8 has been full11 characteri::ec! and shown to<br />

i be R verv COO(! Fit f ~ a r d;ifrlsi.onal -n*el.<br />

/<br />

DeceatlV iny~e~tj,patidns at the Pesiarch Institute <strong>of</strong> TemDle IJniversi.ty<br />

5ave shown that hvdro sulfide ccn be bvnthesiz.e(! fron its element, hvdropen and<br />

sulfur nowder fed in a heliur plasm ;et (12). Cnnversions as hish as 37: hased on<br />

/ thk sulfur innut have heen o?t?ined. riuure 4 sh&is hojh the ? conversion and the . '<br />

F/Y.whr <strong>of</strong> hyrdropcr siilf-ide fo6ed vs. Kwhr/p @f,kUlfur,iGput. As can be seen from the<br />

fipure the raximw conversion ?, dces not necessarily; hi,ve the maxivum nroduction<br />

eff ic ienclr.<br />

P consic2erable nurhei <strong>of</strong>, dvntheqi.ses ha& he& .carried out usinp solid carbon<br />

j powder or rranhite eleyent,s .as .a ,carhcn' soprc6 for reactj:ons with various materials<br />

includj.np h-ydroren , nitrocen , .hydroben-n'itrc%n and ammonia. reactions 1 thro~wh 5<br />

2 show the various producti.ons ,obtaine$ .hqi ihese reacti&s., Tn the case <strong>of</strong> acetylene<br />

. ' synthesjs (reaction 2) tt1.e h~.~~&t,ylq;d obtained bv pirect svnthesis from the<br />

elerents was 339 (11.<br />

for recction 11 have been obtained (5). . t complete studv <strong>of</strong> the synthesis <strong>of</strong> cyanopen<br />

\ fro* i.ts elenents was mrle tv !,eutne$-(K 6 13) .and,this-reaction Pave 15% conversion<br />

, ' hased on the carbon innut at the ojtilrun reaction conditions.<br />

v'<br />

.. . .. I<br />

r<br />

.. 1<br />

I+dropen cyanide yields up to 514; for reaction 3 and UD to 399<br />

Decently Craves , Yawa and 1iiteshu.e (I4) reborted investipations wine hituninous<br />

feE. into an aroon plasma. iet .,. .,Acqtvlene, , the princinal Drodiict , was obtained<br />

in vields <strong>of</strong> 15 wt. ?. -his work .s'tudie< the ,effects <strong>of</strong> coal feed rate, particle<br />

size and nlasna terperature on vieid- and nroducts' forned.<br />

.. . . , . - . , . . - .. .<br />

PAS-GAS ~~ACST.CIIS .TO .PAODIJC.C. A m r n<br />

Ilvdrccarbons 4 C (2)<br />

t'arnisch, Yemer and Cciailu: .(15) rknorted the preparation <strong>of</strong> titanjum<br />

' nitride (reaction 1) fror titanium tetrachloride pas with either nlasna

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