过程助剂
过程助剂
Chemistry for crude pretreatment, refinery process conditions and pipeline flow. Find the relevant product category by unit and operating issue, then define the evidence needed for a treatment evaluation.
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Connect the treatment to the process
Separation, contaminant removal, foam, deposits and corrosion have different causes and treatment requirements. Review feed characteristics, the affected equipment and the existing chemical program.
A defined operating baseline helps distinguish treatment response from changes in feed, throughput or unit conditions.
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原油预处理添加剂
Crude-oil pretreatment combines separation and contaminant-removal treatments before downstream refining.
原油破乳剂
Demulsifiers assist water separation from crude-oil emulsions during pretreatment and desalting.
钙和铁去除
Calcium and iron removal additives support crude-oil pretreatment in the desalter.
塔顶缓蚀剂
Corrosion inhibitors support corrosion management in refinery overhead condensing systems.
Refinery neutralizers
Neutralizers manage acidity in refinery overhead condensing systems.
高温缓蚀剂
High-temperature corrosion inhibitors are considered where corrosive refinery streams affect hot process equipment.
炼油厂消泡剂
Antifoams help manage foam formation in refinery processing.
Process antifoulants
Process antifoulants address deposit formation in refinery heat-transfer and process circuits.
加氢防垢剂
Antifoulant selection for hydrotreating requires a review of the stream, deposit problem and catalyst requirements.
Visbreaker and coker additives
Visbreaker and delayed-coker additive selection starts with the operating problem.
管道减阻剂
Drag-reducing additives manage frictional pressure loss in hydrocarbon pipelines.
催化裂化（FCC）油浆沉降助剂
Slurry settling aids assist the separation of catalyst fines and other fine solids from FCC slurry oil.
镍钝化剂
Nickel passivators are used in FCC operations to address unwanted catalytic effects of nickel carried with the feed.
FCC钒钝化剂
Vanadium passivators support metals management in FCC operations where feed contaminants affect the catalyst.
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