Petrochemical Industry
In the petroleum, natural gas and other industries, LEIGAO pumps and dosing-system products are widely applied in upstream-to-downstream and offshore-to-onshore processes including oil & gas extraction, oil refining, petrochemical production and associated water treatment. They deliver professional, customized precision chemical-dosing solutions to satisfy diverse application requirements.
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Product Application |
Chemical Media |
Purpose / Process / System |
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Petrochemical Oil ProductionChemical Agent Injection System |
Corrosion inhibitor, Methanol |
Pipeline chemical agent injection for natural gas production and transportation in remote or unmanned areas (no acid gas emission) |
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Corrosion inhibitor, Methanol |
Pipeline chemical agent injection for natural gas production and transportation in remote or unmanned areas |
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Carbon Dioxide (CO₂) |
Underground injection to prevent water formation at natural gas production sites |
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Ethylene Glycol |
Natural gas dehydration |
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Condensate oil |
Leak free pump low pressure feed for product separation (high saturated vapor pressure); distillation unit, reforming system, cracking unit, delayed coking unit |
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Tetrachloroethylene |
Reforming system, cracking unit |
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Defoamer |
Distillation unit, reforming system, cracking unit, delayed coking unit |
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Passivating agent |
Cracking unit |
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Sulfiding agent |
Reforming system, cracking unit |
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Petrochemical RefiningChemical metering for separation, distillation, conversion and refining processes in oil refining |
Ammonia solution |
Distillation unit, reforming system, cracking unit, delayed coking unit |
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Defoamer |
Distillation unit, reforming system, cracking unit, delayed coking unit |
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Demulsifier |
Desalter unit, distillation unit, reforming system, cracking unit |
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Caustic alkali |
Distillation unit, reforming system |
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Sulfiding agent |
Reforming system, cracking unit, distillation unit |
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Antistatic additive, static inhibitor |
Bottling plant |
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Lubricity improver |
Reforming system, distillation unit, bottling plant |
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Conductivity enhancer |
Bottling plant |
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Octane number blender |
Reforming system, cracking unit, desulfurization unit |
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Stabilizer |
Catalytic reforming |
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Paraffin dispersant |
Vacuum distillation |
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Petrochemical Water Treatment |
Defoamer |
Suppress foaming to ensure maximum flow rate |
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Polymerization inhibitor |
Prevent asphalt generation; minimize aerobic and anaerobic bacteria; inhibit sulfide and hydrogen sulfide (H₂S) formation |
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Corrosion inhibitor |
Mitigate corrosion inside pipelines |
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Demulsifier |
Break oil water emulsion; separate oil from produced water; reduce friction loss in pipelines |
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H₂S binder |
Prevent hydrogen sulfide corrosion |
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Hypochlorite |
Inhibit organic growth; prevent hydrate formation; remove residual oxygen |
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Paraffin inhibitor |
Prevent paraffin deposition |
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pH control agent |
Reduce ethylene glycol degradation; serve as filter aid; prevent scaling on process equipment |
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Water purifier |
Remove oil particles from produced water |
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Paraffin inhibitor |
Prevent wax deposition |
