Microalgal compositions and uses thereof

A method for providing lubrication to a surface, the method comprising applying a lubricant to the surface, the lubricant comprising oleaginous microbial biomass, wherein the oleaginous microbial biomass comprises at least 20% lipid by dry cell weight, said lubricant further comprising at least one other ingredient selected from the group consisting of anti-oxidant, corrosion inhibitor, metal deactivator, binder, chelating agent, oxygen scavenger, anti-wear agent, extreme pressure resistance additive, antimicrobial agent, pH adjuster, emulsifier, lubricity agent, vegetable oil, petroleum derived oil, high viscosity petroleum hydrocarbon oil, petroleum derivative, pour point depressant, moisture scavenger, defoamers, anti-misting agent, odorant, surfactant, humectant, rheology modifier, and colorant.

A method for providing lubrication to a surface, the method comprising applying a lubricant to the surface, the lubricant comprising oleaginous microalgal biomass, wherein the oleaginous microalgal biomass is unlysed cells and the unlysed cells comprise at least 20% lipid by dry cell weight, said lubricant further comprising at least one other ingredient selected from the group consisting of anti-oxidant, corrosion inhibitor, metal deactivator, binder, chelating agent, oxygen scavenger, anti-wear agent, extreme pressure resistance additive, antimicrobial agent, pH adjuster, emulsifier, lubricity agent, vegetable oil, petroleum derived oil, high viscosity petroleum hydrocarbon oil, petroleum derivative, pour point depressant, moisture scavenger, defoamers, anti-misting agent, odorant, surfactant, humectant, rheology modifier, and colorant.

A method for providing lubrication to a surface, the method comprising applying a lubricant to the surface, the lubricant comprising oleaginous microalgal biomass, wherein the oleaginous microalgal biomass is unlysed cells of the genus Prototheca, wherein the oleaginous microalgal biomass comprises at least 20% lipid by dry cell weight, said lubricant further comprising at least one other ingredient selected from the group consisting of anti-oxidant, corrosion inhibitor, metal deactivator, binder, chelating agent, oxygen scavenger, anti-wear agent, extreme pressure resistance additive, antimicrobial agent, pH adjuster, emulsifier, lubricity agent, vegetable oil, petroleum derived oil, high viscosity petroleum hydrocarbon oil, petroleum derivative, pour point depressant, moisture scavenger, defoamers, anti-misting agent, odorant, surfactant, humectant, rheology modifier, and colorant.

The method of claim 1, wherein the oleaginous microalgal biomass is Prorotheca moriformis.