Treatment methods for petroleum, petroleum fractions, or natural gas, petroleum products (petroleum, petroleum fractions, or natural gas) obtained by such treatment methods, methods for producing additives for them, and additives for them.

摘要

A method for treating petroleum, petroleum fraction, or natural gas, the process comprising:addinga) a first component which is selected from material, particularly roots, of a plant of the genusGlycyrrhiza,and/or an arbuscular mycorrhizal fungi, andb) a second component which is selected from a plant material or -ingredient of a plant of the familyElaeocarpaceae,to the petroleum, petroleum fraction, or natural gas.