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Erschienen in:
11.04.2016 | CURRENT PROBLEMS. Alternative Feedstock
Catalytic Hydroliquefaction of Sapropels
Erschienen in: Chemistry and Technology of Fuels and Oils | Ausgabe 1/2016
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Abstract
Catalytic hydroliquefaction of sapropels differing in organic matter and heteroatom contents in the presence of Fe
2
O
3
—Al
2
O
3
—SiO
2
, (Co/Mo)Al
2
O
3
, and (Fe/Ni)Al
2
O
3
catalysts is studied. The process conditions [(Co/Mo)Al
2
O
3
catalyst, 450°C, reaction time 1 h, and partial H
2
pressure 6 MPa] that maximize the yield of liquid products (53%) and convert the most sapropel organic matter (74%) are determined. It is shown that liquid products of sapropel organic matter degradation contain essentially C
8
--C
29
saturated hydrocarbons and aromatic and naphthenic and oxygen- and nitrogenbearing compounds in much smaller quantities. A scheme is proposed for catalytic hydroliquefaction of sapropel organic matter.