Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3756Chemical news office., 1932 |
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Strona 232
... ammonia that we can be very brief . The process is simple enough , a mixture of the gases nitrogen and hydro- gen suitably purified is circulated over a catalyst at a temperature of 500 ° and a pressure of 100-200 atmospheres . The am ...
... ammonia that we can be very brief . The process is simple enough , a mixture of the gases nitrogen and hydro- gen suitably purified is circulated over a catalyst at a temperature of 500 ° and a pressure of 100-200 atmospheres . The am ...
Strona 233
... ammonia plant be located at or near a coke oven works , it is spared the capital cost of erecting producers . Against this saving must be set the fact that the hydrogen and hence the ammonia become by - products of the coke industry ...
... ammonia plant be located at or near a coke oven works , it is spared the capital cost of erecting producers . Against this saving must be set the fact that the hydrogen and hence the ammonia become by - products of the coke industry ...
Strona 234
... ammonia plants in being may well be 4 million tons of sul- phate per annum which involves a capacity to make some 70,000 million cubic feet of hydrogen , roughly equal in volume to one quarter of the total gas made in the British Isles ...
... ammonia plants in being may well be 4 million tons of sul- phate per annum which involves a capacity to make some 70,000 million cubic feet of hydrogen , roughly equal in volume to one quarter of the total gas made in the British Isles ...
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