Other residues of petroleum oils or of oils obtained from bituminous minerals
Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals. > Petroleum coke: > Other residues of petroleum oils or of oils obtained from bituminous minerals > Other residues of petroleum oils or of oils obtained from bituminous minerals
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2713.90.00
Alkylation Unit Spent Acid Sludge
Alkylation unit spent acid sludge is a hydrocarbon-rich residue recovered from the bottoms of acid settlers in HF or sulfuric acid alkylation units. The organic layer, separated from the spent acid, consists of petroleum oil residues and is not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils, suitable for fuel recovery.
API Separator Sludge Oil
API separator sludge oil is a hydrocarbon sludge recovered from oil-water separators in refinery wastewater treatment systems. It consists of petroleum oil residues from bituminous minerals, often mixed with water and solids. This material is classified under tariff item 2713.90.00 as other residues of petroleum oils, typically reprocessed for fuel or asphalt blending.
Asphalt Flux Residue
Asphalt flux residue is the heavy unrefined bottoms from vacuum distillation towers, used as feedstock for asphalt fluxing. Derived from petroleum oils or bituminous minerals, it is not a separate chemically defined compound. It falls under tariff item 2713.90.00 as other residues of petroleum oils, before any fluxing or blending.
Clarified Sludge Oil from Tank Bottoms
Clarified sludge oil from tank bottoms is the heavy sediment accumulated in petroleum storage tanks, clarified to recover oil residues. It contains petroleum oils from bituminous minerals and is not fit for primary use without further processing. This material is classified under tariff item 2713.90.00 as other residues of petroleum oils.
Coker Quench Oil Residue
Coker quench oil residue is a heavy hydrocarbon residue from delayed coker quench towers, derived from petroleum vacuum resid. It contains pitch-like materials from bituminous oil processing and is not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils.
Crude Oil Emulsion Breaker Residue
Crude oil emulsion breaker residue is the bottoms from chemical demulsification of crude oil/water emulsions, containing asphaltenes and resins. It is a residue of petroleum oil processing, not a separate chemically defined compound. This material falls under tariff item 2713.90.00 as other residues of petroleum oils, used in drilling mud formulations.
Diesel Hydrotreater Purge Residue
Diesel hydrotreater purge residue is a heavy polynuclear aromatic stream purged from diesel hydrotreating units to maintain product specifications. It is a residue of petroleum oil processing from bituminous materials, not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils, valuable as asphalt modifier feedstock.
FCC Slurry Oil
FCC slurry oil is a heavy catalytically cracked slurry oil from fluid catalytic cracker bottoms, carrying catalyst fines. It is a residue of petroleum oil processing from bituminous materials, not a separate chemically defined compound. This material falls under tariff item 2713.90.00 as other residues of petroleum oils, used in asphalt and carbon black production.
Heavy Fuel Oil Tank Residue
Heavy fuel oil tank residue is the residue remaining in tanks after heavy fuel oil drainage, consisting of petroleum oil bottoms from bituminous sources. It is too viscous for standard fuel use and is not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils.
Lube Oil Filter Cake Residue
Lube oil filter cake residue is a carbonaceous residue from filtering used lubricating oils during re-refining. It contains spent additives and heavy hydrocarbons, and is a residue of petroleum oil processing. This material falls under tariff item 2713.90.00 as other residues of petroleum oils.
Petroleum Desalter Brine Sludge
Petroleum desalter brine sludge is an emulsion-breaking sludge from crude oil desalters, containing petroleum oil residues emulsified with brine. It is a residue of petroleum oil processing from bituminous minerals, not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils, recovered for oil reclamation.
Petroleum Refinery Slop Oil
Petroleum refinery slop oil is a residual petroleum product recovered from refinery wastewater treatment processes, containing hydrocarbons from petroleum oils. It is not fit for primary use without further processing and is not a separate chemically defined compound. This material falls under tariff item 2713.90.00 as other residues of petroleum oils.
Sour Water Stripper Bottoms
Sour water stripper bottoms is a heavy tar-like residue from stripping hydrocarbon contaminants from refinery sour water. It contains petroleum oil residues with phenols and BTEX, and is not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils, a source for specialty chemical recovery.
Vacuum Residuum from Crude Distillation
Vacuum residuum from crude distillation is the heaviest bottoms product from vacuum crude distillation units, a residue of petroleum oils. It is not a separate chemically defined compound and is used as feedstock for coker units or heavy fuel production. This material falls under tariff item 2713.90.00 as other residues of petroleum oils.
Visbreaker Tar Residue
Visbreaker tar residue is the tar bottoms from visbreaking units that thermally crack vacuum residue to produce heavy fuel oil. It contains uncracked petroleum residues and is not a separate chemically defined compound. It is classified under tariff item 2713.90.00 as other residues of petroleum oils, further processed into asphalt or fuel.