Oil slurry scale inhibitor
A scale inhibitor, oil slurry technology, used in the petroleum industry, hydrocarbon oil treatment, treatment equipment corrosion/fouling inhibition, etc. Effect
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Embodiment 1
[0036] A kind of oil slurry antiscalant, comprises the component of following mass fraction: polyisobutylene succinimide (cleaning dispersant) 30%, 2,6-di-tert-butyl-1-dimethyl-p-cresol (phenol Amine type antioxidant) 10%, benzimidazole mercaptan (corrosion inhibitor) 5%, detergent T107 0.8%, metal passivator THMD-5 0.5%, the balance is xylene and diesel oil mass ratio 10:1 mixed solvents.
[0037] At a temperature of 40°C, add a cleaning and dispersing agent to the solvent. After it is completely dissolved, add detergent T107, 2,6-di-tert-butyl-1-dimethyl-p-cresol, and metal deactivator THMD-5 in sequence. , benzimidazole mercaptan, stir evenly to obtain oil slurry scale inhibitor, freezing point -14.1°C, kinematic viscosity (20°C) 42.6mm 2 / s.
Embodiment 2
[0039]A kind of oil slurry antiscalant, comprises the component of following mass fraction: polyisobutylene succinimide (cleaning dispersant) 30%, polybutadiene hexylene glycol thiophosphate (cleaning dispersant) 3%, 2,6-di-tert-butyl-1-dimethyl-p-cresol (phenolic amine antioxidant) 10%, benzimidazole thiol (corrosion inhibitor) 5%, detergent T107 0.8%, metal passivation Agent THMD-50.5%, the balance is a mixed solvent of xylene and diesel oil with a mass ratio of 10:1.
[0040] The preparation method is the same as in Example 1. The resulting oil slurry scale inhibitor has a freezing point of -14.2°C and a kinematic viscosity (20°C) of 42.9mm 2 / s.
Embodiment 3
[0042] A kind of oil slurry antiscalant, comprises the component of following mass fraction: polyisobutylene succinimide (cleaning dispersant) 32%, polybutadiene hexylene glycol thiophosphate (cleaning dispersant) 4%, 2,6-di-tert-butyl-1-dimethyl-p-cresol (phenolic amine antioxidant) 10%, benzimidazole thiol (corrosion inhibitor) 5%, detergent T107 0.8%, metal passivation Agent THMD-50.5%, the balance is a mixed solvent of xylene and diesel oil with a mass ratio of 10:1.
[0043] The preparation method is the same as in Example 1. The resulting oil slurry scale inhibitor has a freezing point of -13.5°C and a kinematic viscosity (20°C) of 42.4mm 2 / s.
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