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US1858741A
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Catalyzer
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US1858740A
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Oxidation of ammonia
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US1911922A
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Recovery of ammonia from vapor mixtures
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DE566855C
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Process for the production of alkali nitrate and nitrogenous fertilizers
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DE529805C
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Process for the production of ammonium sulphate with a two- or multi-stage neutralization of sulfuric acid with ammonia
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DE574998C
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Process for producing hydrogen by decomposing coke oven gas under pressure
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DE625259C
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Process for the preparation of a catalyst for the synthesis of ammonia
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DE532123C
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Process for the production of a contact substance which can be used for the synthesis of ammonia at moderate temperature and low pressure
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DE539096C
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Process for carrying out the catalytic synthesis of ammonia
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DE555903C
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Production of alkali nitrates from alkali chlorides
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DE600350C
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Process for the production of a contact substance which can be used for the synthesis of ammonia from complex cyano compounds of manganese and cobalt
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DE552982C
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Process for the production of synthetic ammonia
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DE583559C
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Process for the purification of nitrogen-hydrogen mixtures for the ammonia synthesis
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DE525998C
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Process of ammonia synthesis
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DE550908C
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Process for the synthetic production of ammonia from its elements
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DE567893C
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Process for obtaining the greatest possible amount of hydrogen gas from coke oven gases
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DE582066C
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Process for the synthetic production of ammonia from its elements using iron carbide as a catalyst
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DE524328C
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Device to avoid overheating of the catalyst during ammonia synthesis
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