Method for treating natural gas equipment

Patent · Tue Feb 04 04:00:00 EST 1992

OSTI ID:5341619

Morris, R L; Paul, J M

This patent describes a method of decontaminating natural gas processing equipment and media having adherent mineral deposits of alkaline earth metal sulfates containing radioactive components. It comprises: converting the alkaline earth metal sulfates in the deposit to soluble form by contacting the deposit with an aqueous composition comprising a chelating agent and a synergist at a pH from 10 to 13, to dissolve the deposit in the composition and remove it from the equipment.

• Assignee: Mobil Oil Corp., Fairfax, VA (United States)
• Patent Number(s): A; US 5085709
• Application Number: PPN: US 7-493180
• OSTI ID: 5341619
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
030300* -- Natural Gas-- Drilling
Production
& Processing
030700 -- Natural Gas-- Waste Management
030800 -- Natural Gas-- Environmental Aspects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ALKALINE EARTH METAL COMPOUNDS
AQUEOUS SOLUTIONS
CHELATING AGENTS
CLEANING
DECONTAMINATION
DISPERSIONS
ENVIRONMENTAL IMPACTS
EQUIPMENT
INDUSTRIAL PLANTS
MATERIALS
MIXTURES
NATURAL GAS PROCESSING PLANTS
RADIOACTIVE MATERIALS
REMOVAL
SOLUTIONS