Hydrocarbon oil demetalization agent and method for hydrocarbon oil demetalization
A demetallization agent and hydrocarbon oil technology, applied in the field of hydrocarbon oil demetallization agent and its hydrocarbon oil demetallization, to achieve high removal rate
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Embodiment 1
[0030] Hydrocarbon oil: calcium content is 230 μg / g, magnesium content is 2.87 μg / g, iron content is 14.5 μg / g; demetallization agent: pyruvic acid, its amount is 2.0 of the total amount of calcium, magnesium and iron in hydrocarbon oil times; demulsifier: KR-40, 200μg / g of hydrocarbon oil weight; electric desalination water injection: 7%; fully mix demetallizer, demulsifier, electric desalination water injection and hydrocarbon oil at 90°C with emulsification shear , placed in an electric desalination device, dehydration under the conditions of 120°C desalination temperature, 600v / cm weak electric field for 10min, and 1000v / cm strong electric field for 20min, after oil and water separation, analyze the purified oil metal content / demetallization rate, calcium content / decalcification Rate: 45.8μg / g / 80.1%, magnesium content / magnesium removal rate: 1.15μg / g / 60.0%, iron content / iron removal rate: 5.7μg / g / 60.5%.
Embodiment 2
[0032] Hydrocarbon oil: calcium content is 38.5 μg / g, magnesium content is 1.85 μg / g, iron content is 4.3 μg / g; demetallization agent: pyruvic acid, its amount is the total amount of calcium, magnesium and iron in hydrocarbon oil 5.0 times; demulsifier: OX-2, 100μg / g of hydrocarbon oil weight. ; Electric desalting water injection: 10%; Mix the demetallizer, demulsifier, electric desalting water injection and hydrocarbon oil at 80°C with an emulsifying shearer, put them in the electric desalting device, and set the desalting temperature at 135°C, 300v / Dehydration under the condition of cm weak electric field for 5 minutes and 900v / cm strong electric field for 30 minutes, after oil and water separation, analyze the purified oil for metal content / demetallization rate, calcium content / decalcification rate: 4.6μg / g / 88.1%, magnesium content / magnesium removal rate : 0.57μg / g / 69.2%, iron content / removal rate: 1.44μg / g / 66.5%.
Embodiment 3
[0034] Hydrocarbon oil: calcium content is 721 μg / g, magnesium content is 5.25 μg / g, iron content is 16.7 μg / g; demetallization agent: acetoacetic acid, its amount is 8.0 of the total amount of calcium, magnesium and iron in hydrocarbon oil times; demulsifier: OX-2, 150μg / g. ; Electric desalting water injection: 7%; Mix the metal removal agent, demulsifier, electric desalting water injection and hydrocarbon oil at 60°C with an emulsifying shearer, put them in the electric desalting device, and set the desalting temperature at 130°C, 500v / Dehydration under the condition of weak electric field of cm for 8 minutes and strong electric field of 1500v / cm for 10 minutes. After oil-water separation, analyze the purified oil for metal content / demetallization rate, calcium content / decalcification rate: 87.2μg / g / 87.9%, magnesium content / magnesium removal rate : 1.66μg / g / 68.3%, iron content / removal rate: 5.5μg / g / 67.1%.
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