Menu
methanol A cooled tubular reactor is used to react hydrogen with the carbon monoxide and carbon dioxide in the synthesis gas to produce methanol Water is a byproduct The gas phase exothermic reactions are conducted in a packed tubular reactor which is cooled by generating steam A large gas recycle stream is required to obtain high overall
Get Price
Ammonia is used to manufacture nitric acid Ammonia is oxidised with oxygen from air using a hot platinum catalyst to form nitrogen monoxide and 4NH 3 g 5O 2 g ====> 4NO g 6H 2 O g The gas is cooled and reacted with more oxygen to form nitrogen dioxide 2NO g O 2 g ====> 2NO 2 g This is reacted with more oxygen and water to form nitric acid
Get Price
Transcribed image text 1 As a first step in the manufacture of nitric acid it has been suggested that nitrogen monoxide NO can be formed from nitrogen and oxygen in a reversible reaction a Write an equation for this reaction and deduce an expression for the equilibrium constant K ke 2 b The sketch graph below shows how the value of Ke for this reaction changes with
Get Price
Six basic steps are involved in plants that use catalytic steam reforming for synthetic ammonia production Figure 2 natural gas desulfurization catalytic steam methane reforming carbon
Get Price
As a first step in the manufacture of nitric acid it has been suggested that nitrogen monoxide NO can be formed from nitrogen and oxygen in a reversible reaction Carbon monoxide Wikipedia Carbon monoxide poisoning is the most common type of fatal air poisoning in many countries
Get Price
At equilibrium the mixture contained mol of carbon monoxide mol of hydrogen and mol of methanol Calculate the value of the equilibrium constant Kc for this reaction at temperature T Do not outside the 0 [3 marks] mol 2 dm6 Methanol decomposes on heating in a reaction that is the reverse of that used in its
Get Price
c The value of Kc for this reaction is 1 × 10 5 at 1500 K Explain the significance of this value for an industrial chemist interested in manufacturing nitrogen monoxide by the direct combination of the 2 d When cooled nitrogen monoxide reacts with oxygen to form gaseous nitrogen dioxide NO2 in a reversible reaction
Get Price
The reaction step can include the direct catalytic reaction of methanol and carbon monoxide to form acetic acid as in the Mosanto BP process for example or alternatively can comprise the intermediate formation of methyl formate and isomerization of the methyl formate to acetic acid the intermediate reaction of CO and two moles of methyl alcohol to form methyl acetate and hydrolysis of the
Get Price
The carbon monoxide and hydrogen yields as the methanol conversion increased are shown in Figures 3 and 4 respectively The carbon monoxide yields were significantly lower from the novel reactor especially when water was added This reflects the influence of the carbon monoxide shift reaction in the cooler parts of the reactor The hydrogen
Get Price
This paper presents a detailed theoretical investigation on the interaction between methylmethoxy CH 3 OCH 2 and nitrogen monoxide NO during thermal oxidation of dimethyl ether DME The calculated results indicate that the CH 3 OCH 2 NO reaction proceeds by the addition of N atom of NO to CH 3 OCH 2 radical to generate an energy rich adduct CH 3 OCH 2 NO with no barrier involved on the
Get Price
What mass of silicon carbide will be produced from the reaction of 352 g silicon dioxide If g of carbon is reacted what mass of carbon monoxide is released 6 Two compounds of nitrogen nitrogen tetroxide N 2 O 4 and hydrazine N 2 H 4 are used as rocket fuels When the two compounds are mixed they ignite spontaneously and produce
Get Price
AT 233283 T chemical patent summary
Get Price
Nitrogen Dioxide NO2 NO 2 is the chemical name for Nitrogen dioxide a highly poisonous gas Nitrogen IV oxide of nitrogen is another name for it It is a major atmospheric pollutant that absorbs UV light and prevents it from reaching the earth s surface Nitrogen IV oxide is a yellowish brown liquid or a reddish brown gas in its
Get Price
ii the removal of the carbon monoxide and production of a mixture of hydrogen and nitrogen the shift reaction i The manufacture of synthesis gas Whichever way the methane is obtained it will contain some organic sulfur compounds and hydrogen sulfide both of which must be removed Otherwise they will poison the catalyst needed in the
Get Price
Carbon monoxide and carbon dioxide Carbon monoxide CO and CO 2 may be generated in fluxed welding processes by the action of heat on flux materials such as carbonates and cellulose In MAG welding they can both originate from CO 2 in the shielding gas CO 2 undergoing reaction in the vicinity of the arc to form CO
Get Price
c The value of Kc for this reaction is 1 × 10 5 at 1500 K Explain the significance of this value for an industrial chemist interested in manufacturing nitrogen monoxide by the direct combination of the 2 d When cooled nitrogen monoxide reacts with oxygen to form gaseous nitrogen dioxide NO2 in a reversible reaction
Get Price
Answer 1 of 7 I ve worked as a Performance Development Engineer on diesel engines While the other answers contain parts of the story here s the real reason that diesel engine exhaust contains more NOx than gasoline engines First we ll take a look at the combustion process and then we ll
Get Price
Nitrogen Purging The major function of nitrogen in semiconductor production is purging Gaseous nitrogen is passed through all channels and piping networks to displace oxygen from production tools as well as the semiconductor wafers N 2 purging surfaces will keep them free from other gaseous and liquid contaminants water vapor particles
Get Price
Note Nitrogen oxides is a collective name of compounds of nitrogen with oxygen often abbreviated NO x Mainly nitrogen monoxide NO and nitrogen dioxide NO 2 are relevant to environmental impacts Other oxides such as N 2 O N 2 O 3 and N 2 O 5 are of minor importance in this respect CAS No 10102 43 9 10102 44 Chemical name
Get Price
The process I chose to research was the Ostwald process The Ostwald process is a chemical process that in two stages converts ammonia to nitric acid also known as HNO3 In the process for step 1 ammonia is oxidized to form nitric oxide and also nitrogen dioxide Then in step 2 the nitrogen dioxide that was formed is absorbed in water
Get Price
In reality Earth s atmosphere is 80% nitrogen N2 So the air going into a car engine has mostly nitrogen therefore nitrogen oxides are going to be produced as a by product of combustion
Get Price
2 The second stage in the production of nitric acid involves the reaction of nitrogen monoxide with oxygen to form nitrogen dioxide When nitrogen monoxide and oxygen are mixed under suitable conditions a dynamic equilibrium is established a Explain what is meant by the term dynamic equilibrium [2] b State and explain how increasing the
Get Price
The nitrogen dioxide produced in the secondary reactor by the interaction for manufacture of nitrogen monoxide reactor for manufacture of nitrogen get price The reaction of ammonia with nitrogen dioxide in a flow
Get Price
Q12 Ammonia is produced by the Haber process In the process nitrogen and hydrogen are mixed The pressure is increased to about 200 atmospheres The gases are passed over an iron catalyst at about 450 ° C The equation for the reaction is N 2 g 3H 2 g 2 NH 3 g The reaction between nitrogen and hydrogen is reversible
Get Price
AMMONIA STORAGE TANK Page 24 f UREA MANUFACTURING PLANT IFFCO 3 AMMONIA PLANT Ammonia is a important raw material to manufacture Urea Ammonia is manufactured in Ammonia Plant Ammonia plant is based on HALDOR TOPSOE TECHNOLOGY To manufacture ammonia we need hydrogen and nitrogen in gaseous form
Get Price
Nitrogen is a colourless odourless gas which condenses at − °C to a colourless mobile liquid The element exists as N2 molecules represented as N N for which the bond energy of 226 kilocalories per mole is exceeded only by that of carbon monoxide 256 kilocalories per mole Because of this high bond energy the activation energy for reaction of molecular nitrogen is usually
Get Price
Carbon monoxide CO is a colorless odorless and tasteless gas that is slightly less dense than air It is toxic to humans and animals because it interferes with the normal hemoglobin function of carrying oxygen to body tissues Carbon monoxide is the second most common molecule in the interstellar medium after molecular hydrogen
Get Price
Carbon monoxide has a computed fractional bond order of indicating that the third bond is important but constitutes somewhat less than a full bond Thus in valence bond terms C≡O is the most important structure while C=O is non octet but has a neutral formal charge on each atom and represents the second most important resonance contributor
Get Price
Air provides the nitrogen required for ammonia reaction it is introduced at the secondary reformer in an amount to yield an exit gas that has a 3 1 hydrogen to nitrogen ratio The oxygen in the air reacts with the hydrocarbon feedstock in combustion and provides the energy to reform the remaining gas The secondary reformer reaction increases the hydrogen content and oxidizes most of the CO to CO
Get Price
Description Oxides of nitrogen are a mixture of gases that are composed of nitrogen and oxygen Two of the most toxicologically significant compounds are nitric oxide NO and nitrogen dioxide NO 2 Other gases belonging to this group are nitrogen monoxide or nitrous oxide N 2 O and nitrogen pentoxide NO 5 Nitrogen dioxide is produced for the manufacture of nitric acid
Get Price