shift reaction वाक्य
उदाहरण वाक्य
मोबाइल
- It is the source of heat for powering the endothermic reaction, and it removes coke that tends to form on the iron oxide catalyst through the water gas shift reaction.
- The process utilizes a specially designed reactor and depends upon a proprietary metal catalyst to promote chemical conversion at the low temperatures where the water gas shift reaction and methanation take place.
- Further stages of efficient combustion ( with or without char deposits ) are known as gasification reactions, ending quickly when the reversible gas phase of the water gas shift reaction is reached.
- Ammonia production was one of the first commercial processes that required the production of hydrogen, and the cheapest and best way to obtain hydrogen was via the water-gas shift reaction.
- Catalytic amounts of water are used in both processes, but the Cativa process requires less, so the water-gas shift reaction is suppressed, and fewer by-products are formed.
- Carbon monoxide dehydrogenase ( CODH ) catalyzes the water gas shift reaction which provides CO for the biosynthesis of acetylcoenzyme A . The latter step is effected by the Ni-Fe enzyme acetylCoA synthase.
- The interest of cuprospinel arises in that magnetite is a widely used catalyst for many industrial chemical reactions, such as the Fischer Tropsch process, the Haber Bosch process and the water-gas shift reaction.
- With regard to synthetic fuels, an old but still important process is the Fischer-Tropsch synthesis of hydrocarbons from synthesis gas, which itself is processed via water-gas shift reactions, catalysed by iron.
- If, however, hydrogen is the desired end-product, the coal gas ( primarily the CO product ) undergoes the water gas shift reaction where more hydrogen is produced by additional reaction with water vapor:
- The different intermediates that is suggested are : HOCO, HCO and HCOO . In 2009 there are in total three mechanisms that are proposed for the water-gas shift reaction over Cu ( 111 ), given below.
- :At high temperatures ( usually in the vapor phase ) or under catalysis, CO and H 2 O can undergo the water gas shift reaction .-- talk ) 15 : 48, 25 May 2011 ( UTC)
- Since the synthesis gas exiting the partial oxidation process consists mainly of carbon monoxide and hydrogen, usually a sulfur tolerant CO shift ( i . e . water-gas shift reaction ) is installed in order to convert as much carbon monoxide into hydrogen as possible.
- Hydrogen for ammonia synthesis could also be produced economically by using the water gas reaction followed by the water gas shift reaction, produced by passing steam through red-hot coke, to give a mixture of hydrogen and carbon dioxide gases, followed by removal of the carbon dioxide " washing " the gas mixture with water under pressure ( ); or by using other sources like coal or coke gasification.
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