[chemical] Use Spherical Ammonia Synthesis Catalyst Science
HC Community Petrochemical News: Cut back raw materials consumption is said to nitrogen gasoline firms a key issue in the survival and improvement, and rational selection and use of excessive efficiency scientific ammonia synthesis catalyst is to reduce gasoline consumption of raw supplies is one important manner. South of the company by the Institute of Wen County in Henan Province joint improvement and production of ammonia catalyst plant of A10-1QACQ (cobalt) spherical catalyst, greater than a decade after the enterprise functions in a number of chemical fertilizer have made important economic advantages. Former manager of Henan Province, Li Jingxuan fertilizer that spherical ammonia synthesis catalyst to assist the fertilizer industry to attain power saving effectivity is a key measure.
In keeping with Li Jingxuan introduced a catalyst for ammonia production and use from the roughly spherical form up and distinguish the 2 types of non-spherical, in contrast with other amorphous catalyst, A10-1QACQ (cobalt)-primarily based ammonia synthesis catalyst has ten spherical Advantages:
First, long service life. As a result of the catalyst formulation is exclusive not only the ball hard, excessive strength, uniform measurement and spherical, simply crushed, so a particularly lengthy service life. Chase Merchandise Company of Henan Province to use A10-1QACQ (cobalt)-type spherical ammonia synthesis catalyst has been 5 years, and now the catalytic activity is still good.
Second is the “live from the” low temperature, good low temperature activity. General A110 catalyst “live from the” temperature of 380 C, while the A10-1QACQ (cobalt)-based ammonia synthesis catalyst spherical preliminary “dwell from the” temperature of 340 C, after 5 years is still far from the dwelling temperature of 375 C, to enhance the web to create the conditions for ammonia.
Third is ammonia synthesis reactor with high yields. If you employ a great catalyst synthesis reactor, its exports of gasoline in the ammonia content material of 12% petroleum refining industry analysis 2016 ~ 14%, the perfect catalyst for as much as sixteen%. Customers showed that: A10-1QACQ catalyst in use after 5 years, exports of ammonia synthesis reactor content material was still 15.5% ~ sixteen%. As well as, from into (artificial) tower circulating gasoline within the inert gasoline (CH4, Ar, and many others.) components of view, using other amorphous catalyst, inert gasoline is 10% ~ 14%, whereas the use of spherical inert gasoline after the catalyst can reach 18% 20%, this indicator is at the moment the main home and worldwide degree, so that the feed gasoline consumption significantly.
Fourth, ammonia synthesis tower resistance. Most factories use amorphous catalyst for the production time of 1 ~ 2 years, must cease maintenance replacement of the catalyst. Using spherical catalyst was still less than 5 years after the resistance of zero.1MPa, exercise almost unabated. Heilongjiang Ning County fertilizer plant 5 years ago to make use of different amorphous catalyst, almost a yr to be replaced once after switch A10-1QACQ (cobalt) catalyst, exercise of 4 years continuous use unabated.
5 is an effective heat resistance. With General Catalyst as artificial tower sizzling 530 C, its activity was significantly decreased, if the usage of A10-1Q catalyst, particularly with ACQ (cobalt)-kind spherical ammonia synthesis catalyst, once the new spot to succeed in or exceed 530 C, after technical remedy can still revert to 480 C ~ 490 C, its activity was virtually unaffected, can continue to use. Creator Field gaga has 1 articles online
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Writer: gaga (Institute of Applied Chemistry, Maoming, Maoming 525000) Summary: Ando catalyst, 2 – nitro Thiophene Ethylene. The optimum conditions are: catalyst loading per 30gAl2O3 load 15gKF, catalyst and a couple of – thiophene mass ratio of 4.Eighty:1 formaldehyde, nitro-methane and 2 – thiophene mass ratio of 1.09:1 formaldehyde, utilizing methanol as a catalyst within the solvent , response temperature between 0 ~ 5 . Reaction time 1.4h, yield 95.91 percent Ammonia Removal Ideas
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Writer: Bharat E-book Bureau Atmosphere Catalysts for Environmental and Vitality Functions report ( http://www.bharatbook.com/element.asp id=144942width:622px;peak:15px;font-style:italic;text-align:middle”>This article was printed on 2011/01/19 You may additionally like
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