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Strona 52
Among the several theories at present existent as to the origin of petroleum oils ,
one of general acceptance is that some types of petroleum have been derived
from the decomposition of marine vegetation , but the mechanism of the chemical
...
Among the several theories at present existent as to the origin of petroleum oils ,
one of general acceptance is that some types of petroleum have been derived
from the decomposition of marine vegetation , but the mechanism of the chemical
...
Strona 55
... organic theory is the almost entire absence of the nitrogenous and oxygenated
compounds which are associated with the decomposition of animal and
vegetable matter , and which usually break into compounds dissimilar from
petroleum .
... organic theory is the almost entire absence of the nitrogenous and oxygenated
compounds which are associated with the decomposition of animal and
vegetable matter , and which usually break into compounds dissimilar from
petroleum .
Strona 57
It is thought that the cellulosic contents of algæ give rise upon decomposition to
furfural and phenols , the presence of which have been noted by ... Concentrated
solutions of sulphuric acid and sodium hydroxide decompose it completely .
It is thought that the cellulosic contents of algæ give rise upon decomposition to
furfural and phenols , the presence of which have been noted by ... Concentrated
solutions of sulphuric acid and sodium hydroxide decompose it completely .
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acid hydrolysis action algæ Algarite alkaline anærobic appear applications Biol bitumen calcium capacity carbon caustic cent Chem Chemical Chemistry chloride circuit closely complex composition compounds contained conversion decomposed decomposition deposits derivatives Devonian East effect element ethereal evidence existence extract fact formation Fucosite gases give given glucose importance increase inductance Industry INSTITUTE interest January Joint meeting London Manchester marine material means Measures metallic method naturally occurring nitrogen North-West obtained Office optical organic matter origin Oxidation oxygen Patents percentage period petroleum plant portion position present production Professor protobitumen pure range remains Research ring ring-dyke salts Science scientific seaweed showed shown similar Society soda sodium soluble solution South Wales substance sugars suggested sulphate sulphur dioxide sulphuric acid surface temperatures term Tertiary tests theory tion Trade tube University various vegetation weight yielded