Title: Characterization of malodorous materials
1???? ? ???? ?? ? ???? ??
??????????
Characterization of malodorous materials in the
organic solvent and development of deodorizing
technology
2003. 1. 28.
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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
11VOSC ??
- 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