Recoverable solvents list:

1. Aromatics categories: toluene, xylene, mesitylene, etc.
2. Aliphatic hydrocarbons: pentane, hexane, octane, etc.
3. Alicyclic hydrocarbons : cyclohexane, cyclohexanone, toluene and cyclohexanone, etc.
4. Halogenated hydrocarbons: chlorobenzene, dichlorobenzene, methylene chloride, trichlorethylene, etc.
5. Alcohols: methanol, ethanol, isopropyl alcohol, etc.
6. Ether: ether, propylene oxide, etc.
7. Esters: methyl acetate, ethyl acetate, butyl acetate, etc.
8. Ketone: acetone, methyl ethyl ketone, methyl isobutyl ketone, etc.
9. As well as other organic solvents that are not listed.

Unrecoverable solvents list:

1. Nitrocellulose (nitro), and oxidant solvents and other hazardous materials.
2. Strong acid or strong alkaline solvents.
3. Highly toxic solvents.
4. Pairs of stainless steel or brass with a strong corrosive solvent.