engine sludge

(redirected from Oil sludge)
Also found in: Wikipedia.

engine sludge

[′en·jən ‚sləj]
(engineering)
The insoluble products of degradation of lubricating oils and fuels formed during the operation of an internal combustion engine.
References in periodicals archive ?
Azerbaijan's state-run oil company, SOCAR, says it is doing its part and has cleared most of the vast areas near Baku that used to be covered with oil sludge.
Oil sludge, an inevitable by-product, is generated wherever exploitation, transportation and refining occurs in petroleum industry.
Oil sludge deposits being loaded onto a truck.Fahim Siddiqi / White Star
were slapped with hefty fines in connection with the illegal dumping of tons of oil sludge and polluted bilge water from a cargo ship ironically named Ocean Hope.
Related: Under the hood: Investigating oil sludge accumulation claims
A microbial world in oilfield soil is unveiled in this Special Issue by two research articles, one focusing on physicochemical properties, contents of primary pollutants, and fungal diversity of an aged oil sludge-contaminated soil, while another one focuses on soil bacterial community diversity around an aging oil sludge in the Yellow River Delta of China.
The report alleged that a company with a licence to collect 'oil sludge' from ships in Limassol port or anchorage appeared to also collect waste from the ships without being licensed to do so.
The experiment was carried out to investigate the effect of adding palm oil sludge in cattle diets on methane and volatile fatty acid production as well as on the microbial population of the manure when digested anaerobically.
These macromolecules, which combined with degraded products of additives and wear metallic particles, formed oil sludge. Oil sludge could be dissolved into oils and/or deposited to the surface of engine or blocked the strainer and gallery, which decreased lubrication effect due to lack of oil supply.
We've not heard much about the Keystone Pipeline lately, but if politicians want a pipeline, why not build one that ships water instead of Canadian oil sludge. Considering Ft.
Evidence showed that the companies knew that their ship had not unloaded any oil sludge at port since September 2014 and that it often did not use its oil-water separator.