The acidic washing is done instead of the neutral washing step of the prior art.

The aqueous extract produced by an acidic wash of alkali-washed carbolic oil.

[The aqueous extract produced by an acidic wash of alkali-washed carbolic oil.

Specifically, the amine catalyst is recycled in an acidic wash water solution.

The aqueous extract produced by an acidic wash of alkali-washed naphthalene oil.

[The aqueous extract produced by an acidic wash of alkali-washed naphthalene oil.

An acid wash using the Efflorescence Cleaner is recommended.

The ion exchange capacity of the resin is regenerated with an acid wash at a temperature of at least 6O0C, wherein regeneration of the resin does not result in the formation of dioxane in the spent acid wash.

[The oil resulting from the acid washing of alkali-washed carbolic oil to remove the minor amounts of basic compounds (tar bases).

The process of the present invention also involves an acidic backwash to regenerate the granular magnesium oxide.

Acid removed from the stripper or column is recycled back for use in the acidic washing.

The oil resulting from the acid washing of alkali-washed carbolic oil to remove the minor amounts of basic compounds (tar bases).

The invention is characterized in that an acid washing process (22) is carried out prior to the first grinding phase (12, 28).

Detergents, conditioners and scrubbing are the best way to remove algae from a vinyl liner, which would dissolve under an acid wash.

The presence of the water soluble polymer leads to enhanced fabric cleaning performance in an acidic to near basic wash medium.