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paraffin wax deposition and fouling

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fully refined <strong>paraffin</strong> <strong>wax</strong> in kerosene.<br />

:.ppenai:c 1, experiirental results are given for the solubility of 51/5+°C<br />

the solubility of refined <strong>paraffin</strong> <strong>wax</strong>es in hydrocarbon solvents. In<br />

In section 2.2.3 eirica1 <strong>and</strong> theoretical expressions were given for<br />

PAAFFi ‘!fX Ii’! iROIii<br />

AiDP:I?i:::J. SULW-aLL’LI CJ<br />

APPENDIX 2 CCVPATTs0 CF i__OTTIc p.1, • E:PIPIcAL<br />

To oo;azn tac naten; na; 0I zusaca ar ;ne zonecu_ar wen 0..<br />

cisaovec. <strong>wax</strong>.<br />

/<br />

the uairsal as constant <strong>and</strong> the latent head of fusion ofthe<br />

<strong>wax</strong> citwa; :zoiat T <strong>and</strong> the solution teaperature T, are in I<br />

gives the r.oie fraction x of paraf:n <strong>wax</strong> c.asso_vea n eros.ne. ne<br />

/ ......... (2.2.3.2,<br />

lax = — :-— —<br />

1<br />

The theoretical equation:<br />

are ivn as :er cent <strong>wax</strong> in solution.<br />

averaged to give the values in Table A2.1, where the <strong>wax</strong> concentrations<br />

The soub±iity was calculated a; selting points 51 anc 54°C <strong>and</strong><br />

avera:ed to give Tb as 194°C.<br />

at ;hich 10, 30, 50, 70 <strong>and</strong> 90 per cent of the kerosene had evaporated,<br />

..pnd:: 1 • s recoasended by Lerne—Alien <strong>and</strong> Work 24) teaporatre<br />

The averase kerosene biiin, point was derived froi Table .1.1 in<br />

teaperature, ai in<br />

soaven; point. T the <strong>wax</strong> melting point <strong>and</strong> T the ao1ubii;y<br />

;ne concen;ra;ion c s expressec.. n g/aOO rnl sovent. Tb is ne<br />

bj 1.1357 . 23 )<br />

— 2.97<br />

.A.<br />

‘I— — CT-)<br />

In the er.ipirical equation:<br />

theoretical relations coapared with the experimental results.<br />

It was conso.ered iaporant to investigate how the erpiricai <strong>and</strong><br />

- AlO —

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