, .2, , , - , -, . , . , - . , 2 .
2 ' .
+ 22 3 +Q1, (1)
2 + 32 3 + 2 + Q2 (2)
-- 2-3 , ,
+ 2 2 + 2+ Q3, (3)
.
- . , (3) , 2. 2 (2). , , - 160-200 2 ( 2,2-2,5 ). , 2 , . , ' , [1- 3].
. , 2 . 2, , , .
:
1. L.Z. Gao, J.T. Li, C.T. Au. Mechanistic studies of CO and CO2 hydrogenation to methanol over a 50Cu/45Zn/5Al catalyst by in-situ FT-IR, chemical trapping and isotopelabelling methods. // Studies in Surface Science and Catalysis. -2000. V. 130. Part 4. P. 3711-3716.
2. Yang Ruigin, Fu Yilu, Zhang Yi, Tsubaki Noritatsu. Journal of Catalysis. Nov2004. v 220. Part1. p.23
3. G.A.Vedage, R.Pitchai, R.G.Herman and K.Klier. Mechanism and intermediates of methanol synthesis over the Cu/ZnO catalyst in the presence of water and carbon dioxide. Feb2006. P.196-201.
544.72.02
.., ..
|
|
Al2O3
. . 1, . . 12.
, , . ( ) . , , .. , , . , , , .
[1-4], . , , .
[5, 6]. Al2O3 : [7], [8], [9, 10,11].
. .. - Al2O3 - 0,1 [12]. , .
, .
6 : 2 , [8], Al2O3 , 2 Al2O3 () 2 , (0,03-0,08 % .) .
. 1. , [11].
γ-Al2O3, , :
1) .
2) Al(NO3)3· 9H2O (NH2)2CO. .
3) 15-20 .
|
|
4) 30 100º 1 . .
5) 400‑500º 1,5-2 .
, , :
2 Al(NO3)3 + 5 (NH2)2CO → Al2O3 + 8 N2 + 5 CO2 + 10 H2O (1)
:
(NH2)2CO + 3/2 O2 → N2 + CO2 + 2 H2O (2)
1.
1
+ | + | + + | ||||
, | 3,1589 | 4,7890 | 0,2746 | 0,7429 | 0,2184 | 0,2370 |
, | 3,3413 | 5,1654 | 0,2929 | 0,7915 | 0,2523 | 0,2611 |
, % | 5,77 | 7,86 | 6,66 | 6,54 | 15,52 | 10,17 |
, | 3,3121 | 5,0873 | 0,2834 | 0,7652 | 0,2473 | 0,2581 |
, | 0,1532 | 0,2983 | 0,0088 | 0,0223 | 0,0289 | 0,0211 |
, | 3,1649 | 4,8180 | 0,2834 | 0,7652 | 0,2384 | 0,2554 |
, | 0,006 | 0,0293 | 0,0088 | 0,0223 | 0,0200 | 0,0184 |
, % | 0,19 | 0,61 | 3,20 | 3,00 | 8,83 | 7,43 |
2. () 121810 , [11]. , . - -64-02. . . 1.
3. 121810 0,08 51017 /2.
.
1) -1.
2) 0,06 % (.) .
3) .
4) .
, , 10-25 , (3,5-4,7 %), ( 1350) . , , .
1.
1.
. 0,1824 (Al(NO3)3 + (NH2)2CO), 0,3764. 0,006 0,0293 , , 0,19 0,61 % .
2 0,0183 , 0,0486 . 0,0088 , 0,0223 , 3,2 % 3,0 %. . , (1) (2) , :
|
|
2 Fe + 3/2 O2 → Fe2O3
2 Cr + 3/2 O2 → Cr2O3
121810, ≈0,06 % , 0,0339 , 0,0241; Al2O3 , 0,0200 (8,83 %) 0,0184 (7,43 %).
. , , . Al2O3, . , , .
, , () , , , . , - , - .
:
1. . . / . // . 1996. 10. .42-50.
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4. . . () / A. A. , B. A. , A. A. // . 1997. 1. C. 24-31.
5. Giornelli T. Preparation and characterization of VOx/TiO2 catalytic coatings on stainless steel plates for structured catalytic reactors / T. Giornelli, A. Lofberg, E. Bordes-Richard // Applied Catalysis A: General. 2006. 305. .197203.
6. Catalytic wall reactor Catalytic coatings of stainless steel by VOx/TiO2 and Co/SiO2 catalysts / T. Giornelli, A. Lofberg, L. Guillou et al. // Catalysis Today. 2007. 128. . 201-207.
7. Preferential oxidation of CO over CuO/CeO2 and Pt-Co/Al2O3 catalysts in micro-channel reactors / K.-Y. Kim, J. Han, S. W. Nam et al. // Catalysis Today. 2008. 131. . 431-436.
8. . 29706, . 01 J23/74. / .., .., .. 97010060 04.01.97, 15.11.2000
9. .. / . . , . . , . . // . 2008. 5. C. 44-49.
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10. : ., 2022 2009 ., , . 325326.
11. . 2234979, . 01 J37/18. / .., .., .., .., .. 2003104558/04 2003.02.14, 2004.08.27 .
12. .. [ ]: - /.. , .. // 2004. : http://www.sonbi.ru/tsiam/conf/lemission/index.htm.
66.09
.., .., ..