Modifiers matching residue:

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

Simple categories matching carbonaceous:

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