About 1,608,871 results (1,358 milliseconds)

US4071438A - Method of reclaiming waste oil by distillation and ...

https://patents.google.com/patent/US4071438A/en
Reclaimed oil is thereafter recovered by steam stripping techniques which also allows collection and reuse of the solvent, in order to materially reduce ...

US20150121981A1 - Reuse of Used Oil in a Rolling Mill - Google ...

https://patents.google.com/patent/US20150121981A1/en
The dissociated oils are then sent to a purification plant where they are evaporated. These dissociated oils may be mixed, before purification, with other used ...

CN203483964U - Oil slot for reusing waste oil - Google Patents

https://patents.google.com/patent/CN203483964U/en
The utility model discloses an oil slot for reusing waste oil. The oil slot is internally divided into three slots comprising a primary oil slot (1), ...

JP2003176492A - Waste oil-recycling agent and waste oil-recycling ...

https://patents.google.com/patent/JP2003176492A/en
The waste oil regeneration treatment method of the present invention comprises adding a waste oil regeneration treatment agent comprising sodium silicate to the ...

CN1045122A - Purify and reclaim the method for waste oil - Google ...

https://patents.google.com/patent/CN1045122A/en
In this recycling process, oxide compound and additive can not be removed with sulfuric acid, but can remove with the treatment process of disperseing sodium, ...

US4504383A - Rerefining used oil with borohydride reducing ...

https://patents.google.com/patent/US4504383A/en
... used oils and reuse the valuable high quality components contained in such oils. Several waste oil rerefining processes are known from the prior art. For ...

US8299001B1 - Process for recovering used lubricating oils using ...

https://patents.google.com/patent/US8299001B1/en
The recovered lubricating oil bases have all the properties of the first refining, and they can be used to produce new oils. The recycling process can be done ...

US3879282A - Reclaiming used motor oil by chemical treatment ...

https://patents.google.com/patent/US3879282A/en
Conservation is achieved by reuse of the oil that would otherwise be discarded. The purified oil now free of metal contaminants can be reprocessed by means of ...

US4512878A - Used oil re-refining - Google Patents

https://patents.google.com/patent/US4512878A/en
Used oils, especially used lubricating oils which are normally considered waste and are discarded or burned, are reclaimed for reuse by a re-refining procedure.

CN102451669A - Method for recovering and reutilizing waste ...

https://patents.google.com/patent/CN102451669A/en
Distillation obtains pure n-hexane and ethanol, can recycle. 2. the method for recycling according to the useless bentonite of claims 1 described a kind of oil ...

US4073720A - Method for reclaiming waste lubricating oils - Google ...

https://patents.google.com/patent/US4073720A/en
Much of this oil could be reused if collected and effectively reprocessed. Instead, as much as one-third of it is indiscriminately dumped, contaminating both ...

US7045038B1 - Process for treating waste oil - Google Patents

https://patents.google.com/patent/US7045038B1/en
4.37 Kwh per gallon at $0.08 KW is $0.349 per gallon. ; Total processing costs are;, $0.71 ; Conventional Used Oil Recycling for Burning Fuel ; Used Oil processing ...

DE3405858C2 - Process for recycling used oils - Google Patents

https://patents.google.com/patent/DE3405858C2/en
Vacuum distillation followed by hydrogen treatment was used in the literature for reprocessing suggested by used oils. The process is through it characterized ...

US20090184030A1 - Process For Separating Used Oil - Google ...

https://patents.google.com/patent/US20090184030A1/en
The ability to reuse the solvent mixture allows the process to be economically viable and environmentally friendly. [0012]. The invention allows for the ...

FR2815966A1 - Reduction of fouling of used oil for subsequent ...

https://patents.google.com/patent/FR2815966A1/en
Reduction of fouling of used oil for subsequent vacuum distillation and reuse as fuel or base oil lubricant. Abstract. translated from. The used oil is heated ...

Drop-Off Recycling

https://sites.google.com/site/bayvillagegreenteam/waste/drop-off-recycling
Why recycle motor oil? According to the Cuyahoga County Solid Waste District ... Election Sign Recycling - After the general election, the Cuyahoga County Solid ...

WO1992004424A1 - Process for the recovery of oil from waste oil ...

https://patents.google.com/patent/WO1992004424A1/en
Furthermore, the oil contained in the sludge is not recovered for reuse or recycling. Presently, some refineries recycle the waste and sludges to delayed cokers ...

WO2015173619A1 - A process for treating spent filter earth - Google ...

https://patents.google.com/patent/WO2015173619A1/en
... oil for reuse (recycle or regeneration). By way of an example, the ... CN115820333B 2024-01-26 Recycling recycling method of waste lubricating oil sludge ...

Science & Tech Spotlight: Advanced Plastic Recycling | U.S. GAO

https://news.google.com/__i/rss/rd/articles/CBMiKmh0dHBzOi8vd3d3Lmdhby5nb3YvcHJvZHVjdHMvZ2FvLTIxLTEwNTMxN9IBAA?oc=5
Sep 14, 2021 ... Pyrolysis, sometimes called "plastics to fuel," turns plastic waste into a synthetic crude oil that can be refined into diesel fuel, gasoline, ...

WO1993015840A1 - System and method for recycling of automotive ...

https://patents.google.com/patent/WO1993015840A1/pt-PT
Y02W30/50—Reuse, recycling or recovery technologies ... WASTE OIL EXTRACTOR FOR WASTE SEPARATION DEVICE AND METHOD FOR PRODUCING RECYCLING RAW MATERIALS THEREFROM ...