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Characterization of malodorous materials

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Title: Characterization of malodorous materials


1
???? ? ???? ?? ? ???? ??
??????????
Characterization of malodorous materials in the
organic solvent and development of deodorizing
technology
2003. 1. 28.
? ? ? ????????
KAERI
2
? ?
?? ???? ?? ?? ?? ? ?? ???? ???? ?? ??
?? ??

KAERI
3
? ?
  • ?? ?? ??? ???(7-ACA) ?? ?? ? ???? ??
  • ? ?? ?? Methylene Chloride, Methanol
  • ?????(????? ?2002-84?, 2002.7.8)
  • ???? ?? ? ???? ??
  • NH3, CH3SH, H2S, CH3SCH3, CS2,
  • N(CH3)3, CH3CHO, C6H5CHCH2

KAERI
4
? ???(GC/MS)
KAERI
5
???? ? ??
  • ?? Methanol ? ???? ??(GC/MS)
  • DMDS ? 100 mg/l
  • DMTS ? 100 mg/l
  • DMTeS ? 30 mg/l
  • ?? Methanol ? ?? ? ? 0.3

KAERI
6
???? ?? ??
Factory
????
DMDS, DMTS, DMTeS, S8, ?N(CH3)2
?N(CH3)2 , (CH3O)3PO
Lab. ??
??(110?)
Lab.
MeOH
RM-ea1
DMDS, DMTS, DMTeS, S8
DMDS, DMTS, DMTeS, S8, ?N(CH3)2,,
KAERI
7
???? ?? ? ??(TLC)
Silica gel TLC, Hexane/Ethylacetate( 8/2 )
KAERI
8
???? ?? ? ??(TLC)
Sulfur
DMTS, DMTeS
Mercapto-Pyrimidinone(?)
Odor
Si-C.C.
KAERI
9
???? ??(HPLC/UV)
CM ? ??????
RM ? ??????
KAERI
10
???? ?? ??
  • Sodium hydrosulfite(SHS) ?? ??

KAERI
11
VOSC ??
  • H2S H3C-SH
    CS2
  • H3CSCH3 Liq. Slightly Soluble in
    H2O Bp 37-38? Fp -36?

  • ???(20?) 388 mmHg, ???? 2.1
  • H3CSSCH3 Liq. Insoluble in H2O
    Bp 109-110? Fp ? ?
  • ( Unpleasant, Cabbage ) ???(20?) 20 mmHg ,
    ???? 3.2
  • H3CSSSCH3 Liq. Insoluble in H2O
    Bp 239-240? Fp 52?
  • ( Pungent, Onion, Garlic ) ???(20?) ?
    ???? 4.3
  • H3CSSSSCH3 Liq. Insoluble in H2O
    Bp ? ? Fp 73?
  • ( Meaty Onion, Garlic ) ???(20?) ?
    ???? 5.0

KAERI
12
?? ????
?N(CH3)2
Alkane ? (C11H14, C13H28 ?)
KAERI
13
?? ??(Zn ?? ????)
PH
Odor
H2S (odor)
Distillate
9-10 Strong
?N(CH3)2
Zn
7 weak
(CH3O)3PO ?N(CH3)2
Residue
PH 2-3
7 None
Distillate
Zn
CM-ea
7 weak
Residue
PH 3-4
Distillate
9-10 Strong
Zn
CM-aq
H2O/Ethylacetate
PH 2-3
Residue
7 weak
KAERI
14
?? ??(?? ? ????)
PH TLC
Zn
RM-mo.1
10-11 Equal
PH 9-10
H2O2
6 -7 Transform
RM-mo.2
Zn
CM-mo.1
6 -7 Transform
PH 2-3
H2O2
4 - 5 Transform
CM-mo.2
KAERI
15
?? ?? ( ?????? ?? ??)
H2O2 ???? ?? ??? ?? (??? ?? ?? ?? ??)
KAERI
16
?? ?? ( ?????? ?? ??)
H2O2 ? ???? ?? ??? ?? (??? ? ??)
KAERI
17
?? ?? ( ?????? ?? ??)
KAERI
??? ?? ? ????? ?? ??? ?? (H2O2 30 ??? 1
vol. ??)
18
?? ??
  • ?? ? ?? ?? ??
  • - ????? ????(VOSC) ?? ??? ??? ?.
  • ?????? ?? ??
  • - CM? H2O2(30)? 1 vol. ?? ????? ???
  • (45?50?, 4??) ? ?? ??

KAERI
19
? ?
  • ? ????? ??? ?? ? ???( DMDS, DMTS, DMTeS)??
  • ? ????? methanol ?????? ????.
  • ???(sodium hydrosulfite)? ?? ?? ??? ?? ???
  • ??? ??.
  • ???? ??? methanol ?? ?? ?? ????? ?????
  • ????? ???? ??? ?? ?? ?? ?????.
  • Methanol ?? ?? H2O2? ????? ??? ?? ? ??? ???
  • ???? ? ??.

KAERI
20
???? ?? ??
  • Methanol ?? ??? ??.
  • ??????? ?? ? ???? ?????? ????? ??.
  • ??? ?? ? ???(VOSC ? ??? ????)? ?? ???
  • ???? ?? ?? ?? ??? ??.
  • ?? ???? ??.

KAERI
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