How do I dispose my used oils and greases?

我该如何处理废油和废润滑脂？

youdao

The invention relates to a method of regenerating used oils of petroleum origin by means of extraction with aliphatic solvents.

本发明涉及一种通过脂族溶剂萃取将石油源废油再生的方法。

youdao

The soot content in the field test oils is measured with the fore mentioned method, which shows good accuracy and repeatability on both new and used oils.

此法可测定新油及旧油中的烟炱含量，准确性、重复性较好。

youdao

From the beginning of human history, people have used oils from seeds and nuts.

VOA: special.2009.09.29

Most of the time these oils are used as food, especially in cooking.

VOA: special.2009.09.29

For example, oils are used in paint and in cleaning products like soap.

VOA: special.2009.09.29

Paus was best known as a watercolorist, although he used oils on occasion and was expert at pencils and inks.

CENTERFORSECURITYPOLICY: ��Help Deliver the Goods�� Poster

But then the price of the edible oils used in many of its products--the Achilles' heel of the food distribution business--started gyrating.

FORBES: Magazine Article

Soon it may order a disclosure as well about so-called trans unsaturated fatty acids, made from partially hydrogenated oils used to prepare a lot of junk food and said to be even worse culprits in artery-clogging.

FORBES: Pepsi's New Challenge