Method of removing iron contaminants from liquid streams...

Details Method of removing iron contaminants from liquid streams... Method of removing iron contaminants from liquid streams...

2006-11-14

2006-11-14

Oh, Taylor Victor (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C562S412000, C562S485000

Reexamination Certificate

active

07135596

ABSTRACT:
This invention relates to control or removal of amounts of dissolved iron that may be present in liquid process streams in the manufacture of aromatic acids. The present invention further relates to the control or removal of dissolved iron contaminants present in liquid streams during the manufacture of a crude aromatic acid. The present invention also further relates to the control or removal of dissolved iron contaminants present in liquid streams during the purification of a crude aromatic acid. The present invention also further relates to controlling of decreasing the formation of iron oxides on the surfaces of equipment used during the manufacture of crude aromatic acid and/or purification of crude aromatic acid.

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