Modifiers matching residue:

• inert,
• agricultural,
• refractory,
• acidic,
• hydrophobic,
• unwanted,
• solid,
• organic,
• possible,
• penultimate,
• basic,
• smaller,
• polymeric,
• allergenic,
• uncharged,
• binding,
• interfering,
• insoluble,
• charged,
• active,
• useful,
• heavier,
• larger,
• inorganic,
• crystalline,
• toxic,
• corrosive,
• carbonaceous,
• infectious,
• small,
• alkaline,
• undesirable,
• side,
• essential,
• chemical,
• dried,
• acid,
• key,
• noxious,
• compressible,
• neutral,
• reactive,
• carcinogenic,
• dietary,
• antibiotic,
• hydrophilic,
• major,
• sticky,
• inexpensive,
• nonpolar,
• aliphatic,
• bulky,
• stubborn,
• loose,
• cheap,
• soluble,
• coarse,
• nonmetallic,
• hygroscopic,
• woody,
• botanical,
• functional,
• volatile,
• polar,
• animal,
• fine,
• large,
• conventional,
• off,
• wet,
• powdery,
• poor,
• biochemical,
• dangerous,
• metallic,
• lipophilic,
• tough,
• multiple,
• oily,
• aromatic,
• hard,
• internal,
• fibrous,
• nonvolatile,
• valuable,
• structural,
• flexible,
• visible,
• undesired,
• harmless,
• fresh,
• urban,
• dry,
• hazardous,
• sensitive,
• abundant,
• finer,
• electronegative,
• herbaceous,
• biological,
• automotive,
• common,
• heavy,
• combustible,
• miscellaneous,
• particulate,
• fatty,
• clean,
• vegetative,
• industrial,
• greasy,
• explosive,
• iron,
• unrefined,
• light,
• liquid,
• harmful,
• viscous,

Simple categories matching carbonaceous:

• product,
• material,
• fuel,
• deposit,
• combustible,
• precursor,
• atmosphere,
• content,
• solid,
• matter,
• fibre,
• compound,
• substance,
• residue,
• unit,
• contaminant,
• aggregate,
• fabric,
• particle,
• article,
• nature,
• filler,
• powder,
• component,
• surface,
• pitch,
• gas,
• rock,
• sorbent,
• waste,
• system,
• electrode,