Waste lubricating oil is usually extracted from crude oil. Its components are mainly base oil and some additives. During use, it will deteriorate due to oxidation, impurities, etc., resulting in changes in physical or chemical properties, such as den...
YHCHEM uses a Reciprocating-Plate Extraction Column to extract phosphoric acid.
Background:
Phosphoric acid is a medium-strong triprotic acid that ionizes in three steps, is non-volatile, stable, and virtually non-oxidative. It ...
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