How to disposal oil sludge?

By |July 18th, 2016|Disposal Oil Sludge|

How to disposal oil sludge (Oil sludge disposal method)? In order to dispose oil sludge, a careful study on local disposal regulation is quite necessary. It's allowed when only the sludge residual meet the disposal limits. Normally, there will be oil content; heavy metal content limits carry out by the local government or minister of [...]