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Application filed by Univ Malaysia PahangfiledCriticalUniv Malaysia Pahang
Priority to MYPI2016400017ApriorityCriticalpatent/MY193463A/en
Publication of MY193463ApublicationCriticalpatent/MY193463A/en
The present invention relates to base oil mixture, particularly one produced from crude petroleum waste sludge and an environmentally friendly process of manufacture thereof. There is therefore disclosed a process for producing base oil mixture comprising the following steps: (a) preparing a mixture of crude hydrocarbon residues in a solvent; (b) subjecting the mixture to ultrasonic-assisted solvent extraction at a constant temperature; (c) separating the mixture in (b) into a bottom layer containing the waste sludge and an upper layer containing the desired base oil mixture; and (d) collecting the upper layer and purifying the same. The present invention provides that the solvent is a composite solvent comprising hexane, isopropyl alcohol (IPA), potassium hydroxide (KOH) and sodium chloride (NaCl), and wherein the ratio of the crude hydrocarbon residues and the composite solvent is at 1:4. The crude hydrocarbon residues are crude petroleum waste slop oil and/or crude petroleum waste sludge oil.
MYPI2016400017A2016-11-302016-11-30Base oil mixture and process of manufacture thereof
MY193463A
(en)