The present disclosure related generally to a process for removing chloride-containing organic compounds from renewable and bio-feedstocks. Accordingly, in one aspect, the present disclosure provides for a process for processing a liquid feed, the process comprising: providing a liquid feed that comprises one or more fatty acids and/or fatty acid esters, the liquid feed having a first chloride concentration by weight of chloride-containing organic compounds; and contacting the liquid feed with a solid treatment material to remove at least a fraction of the chloride-containing organic compounds to produce a treated liquid feed having a second chloride concentration that is less than the first chloride concentration, wherein the solid treatment material comprises an alkali metal or an alkaline earth metal in ionic form.

The present application relates to a technical field of recycling a waste engine oil, and discloses a method for recycling a waste engine oil, including adding an alkaline solution to the waste engine oil for treating the waste engine oil, to obtain a raw material oil; performing a first distillation for the raw material oil to obtain an intermediate oil; performing a second distillation for the intermediate oil to obtain an unevaporated intermediate oil as a residual oil product and an evaporated intermediate oil; fractionating the evaporated intermediate oil to obtain a first base oil component, a second base oil component and a third base oil component; and refining the first base oil component, the second base oil component and the third base oil component individually, to obtain a first refined oil, a second refined oil and a third refined oil.

A method of removing sulfur compounds from a hydrocarbon fluid. The method includes contacting the hydrocarbon fluid with an adsorbent comprising a carbonaceous material doped with nanoparticles of uranyl oxide (UO.sub.3) to reduce the concentrations of the sulfur compounds. The carbonaceous material is at least one selected from the group consisting of activated carbon and carbon nanotubes, and the adsorbent has a weight ratio of C to U in the range from 9:1 to 17:1, and a weight ratio of C to O in the range from 5:1 to 13:1.

A method of removing sulfur compounds from a hydrocarbon fluid. The method includes contacting the hydrocarbon fluid with an adsorbent comprising a carbonaceous material doped with nanoparticles of uranyl oxide (UO.sub.3) to reduce the concentrations of the sulfur compounds. The carbonaceous material is at least one selected from the group consisting of activated carbon and carbon nanotubes, and the adsorbent has a weight ratio of C to U in the range from 9:1 to 17:1, and a weight ratio of C to O in the range from 5:1 to 13:1.

A method of removing sulfur compounds from a hydrocarbon fluid. The method includes contacting the hydrocarbon fluid with an adsorbent comprising a carbonaceous material doped with nanoparticles of uranyl oxide (UO.sub.3) to reduce the concentrations of the sulfur compounds. The carbonaceous material is at least one selected from the group consisting of activated carbon and carbon nanotubes, and the adsorbent has a weight ratio of C to U in the range from 9:1 to 17:1, and a weight ratio of C to O in the range from 5:1 to 13:1.

A method of removing sulfur compounds from a hydrocarbon fluid. The method includes contacting the hydrocarbon fluid with an adsorbent comprising a carbonaceous material doped with nanoparticles of uranyl oxide (UO.sub.3) to reduce the concentrations of the sulfur compounds. The carbonaceous material is at least one selected from the group consisting of activated carbon and carbon nanotubes, and the adsorbent has a weight ratio of C to U in the range from 9:1 to 17:1, and a weight ratio of C to O in the range from 5:1 to 13:1.

Oleophilic-hydrophobic-magnetic (OHM) porous materials are provided. In embodiments, an OHM porous material comprises a porous substrate having a solid matrix defining a plurality of pores distributed through the solid matrix, the OHM porous material further comprising a coating of a nanocomposite on surfaces of the solid matrix. The nanocomposite comprises a multilayer stack of a plurality of layers of a two-dimensional, layered material having nucleation sites interleaved between a plurality of layers of magnetic nanoparticles, wherein individual layers of magnetic nanoparticles in the plurality of layers of magnetic nanoparticles are each directly anchored on a surface of a layer of the plurality of layers of the two-dimensional, layered material via the nucleation sites, and are each separated by multiple layers of the plurality of layers of the two-dimensional, layered material. Methods of making and using the OHM porous materials are also provided.

Methods of forming a nanocomposite of a base material and a plurality of nanoparticles are provided. In embodiments, the method comprises combining a first input stream of flowing fluid comprising a base material having nucleation sites, a second input stream of flowing fluid comprising a nanoparticle precursor material, and a third input stream of flowing fluid comprising a nanoparticle nucleation agent, to form an output stream of flowing fluid; heating or sonicating or both heating and sonicating the output stream for a period of time; and collecting a nanocomposite formed within the fluid of the output stream, the nanocomposite comprising the base material and a plurality of nanoparticles directly anchored onto a surface of the base material via the nucleation sites. The nanocomposites are also provided.

The present invention concerns an adsorbent composition comprising bleaching earth and a filter aid and its use in removing impurities from hard-to-treat feedstocks to improve filtration behavior while at the same time maintaining high contaminant removal, as well as a related method for purifying the feedstock.