| 摘要 |
<p>A method for removing and disposing hydrocarbons absorbed in a fabric, the method comprising the steps of providing a nonwoven fabric which comprises in excess of 55 % fibers of polyvinyl alcohol, and wherein the nonwoven fabric is contaminated with hydrocarbons, disposing the nonwoven fabric in a warm aqueous bath heated to a temperature substantially less than the dissolution temperature of the polyvinyl alcohol fibers, whereby to cause liberation of the hydrocarbons from the fabric.</p> |
