摘要 |
An apparatus for recovering components of a material system containing dye, water, and solvents such as ethylene glycol monobutyl ether and diethylene glycol is provided. The apparatus comprises in sequence: a first vessel including a cooling device for cooling the material system; a pump; at least one first filter; at least one purifying vessel containing activated carbon; optionally, a second filter; and a second vessel optionally including a probe. Each of the first vessel, purifying vessel, filter housings and baskets, second vessel and interconnecting piping are fabricated of a material which does not absorb dye, such as stainless steel. |