Leaded Anti-Knock Filter Cake Sludge
Filter cake sludge from filtration of leaded anti-knock solutions during manufacturing. Classified in HTS 2620.21.00 for its lead-dominant composition and suitability for metal or compound production in industry.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as parts of filtering machinery
Filter cakes as machine components or parts move to Chapter 84, not residues.
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Import Tips & Compliance
• Include filtration process descriptions in import docs for classification support
• Test for arsenic content, as heading 2620 covers such residues
Related Products under HTS 2620.21.00
Leaded Gasoline Sludge from Refinery Processing
This is the residual sludge generated during the refining and cleaning of leaded gasoline, containing primarily lead compounds from tetraethyllead additives. It falls under HTS 2620.21.00 as a residue containing mainly lead, used in industry for metal extraction or chemical compound production. Excludes municipal waste incineration residues per chapter notes.
Leaded Anti-Knock Compound Sludge Residue
Sludge byproduct from the production and purification of lead-based anti-knock compounds like tetraethyllead for gasoline additives. Classified under HTS 2620.21.00 due to its high lead content and industrial application in recovering metals or manufacturing lead compounds. Meets heading 2620 criteria for residues used in industry.
Battery Recycling Leaded Sludge
Leaded sludge recovered from the recycling process of lead-acid batteries, containing lead compounds and metal residues. It qualifies for HTS 2620.21.00 as a lead-rich residue suitable for further metal extraction in industrial settings. Adheres to chapter notes limiting application to industrially utilized materials.
Leaded Fuel Additive Production Sludge
Sludge generated during the synthesis and filtration of organolead compounds used as fuel anti-knock additives. Falls under HTS 2620.21.00 for containing mainly lead, intended for industrial recovery of arsenic, metals, or their compounds per chapter notes.
Refinery Leaded Gasoline Bottom Sludge
Heavy bottom sludge from leaded gasoline storage tanks and distillation units, rich in leaded particulates. HTS 2620.21.00 applies as it contains mainly lead and is used industrially for extraction processes, excluding iron/steel residues.
Automotive Leaded Fuel Separator Sludge
Sludge from separators in leaded fuel handling systems at automotive facilities, containing lead precipitates. HTS 2620.21.00 due to primary lead content and industrial recovery potential.