Method for preparing raw oil from sludge
A technology for raw oil and sludge, used in sludge treatment, chemical instruments and methods, preparation of liquid hydrocarbon mixtures, etc., can solve problems such as secondary pollution of the environment, achieve reduced emissions, high resource utilization, and land saving and the effect of fuel resources
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[0030] Example 1
[0031] A method for preparing feedstock oil from sludge, the specific steps are:
[0032] (1) The wet sludge is dewatered mechanically, so that the moisture content of the wet sludge is 65%-75%, and the sludge intermediate is obtained;
[0033] (2) Add desulfurizer, deodorant and catalyst to the sludge intermediate, mix and stir, and dehydrate again so that the water content of the sludge is below 40% to form dry sludge; the desulfurizer is calcium carbide slag, The amount of desulfurizer is 0.5% of the mass of the sludge intermediate; the amount of the deodorant is 3% of the mass of the sludge intermediate; the amount of catalyst is 0.3% of the mass of the sludge intermediate; and the deodorant is wood chips. The catalyst is composed of manganese, silicon, aluminum, calcium, sodium, iron and magnesium, where manganese accounts for 1.5% of the mass of sludge intermediates, silicon accounts for 1% of the mass of sludge intermediates, and aluminum accounts for the m...
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[0039] Example 2
[0040] A method for preparing feedstock oil from sludge, the specific steps are:
[0041] Steps (1) and (2) are the same as in Example 1, with some changes in the catalyst. The catalyst is composed of manganese, silicon, aluminum, calcium, sodium, iron and magnesium, of which manganese accounts for 1% of the mass of the sludge intermediate , Silicon accounts for 0.8% of the mass of sludge intermediates, aluminum accounts for 0.8% of the mass of sludge intermediates, calcium accounts for 0.8% of the mass of sludge intermediates, sodium accounts for 0.1% of the mass of sludge intermediates, and iron accounts for the middle of the sludge. 0.4% of body mass, and magnesium accounts for 0.1% of sludge intermediate mass;
[0042] Step (3): Take 100 kilograms of sludge with a water content of less than 20% for catalytic cracking reaction, the reaction time is controlled at 20 minutes, and the temperature is controlled at 400°C. After the cracking reaction, mixed steam ...
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