Assertion: hydrocarbon's composition | /r/HasProperty | maintained at constant value
Facets:
Source sentences:
text: While it is acceptable to allow an accumulation of removed hydrocarbon in the recirculation loop up to a permitted maximum set by processing requirements (permissible entrained hydrocarbon concentration in product water, acceptable extractant loss to water), the composition of the fluid in the loop may be maintained at a constant value by periodic or continuous addition of extractant accompanied by removal of excess circulating liquid.