Abstract:
The invention relates to an aqueous fuel composition having a homogeneous liquid phase, a so called microemulsion, containing a liquid hydrocarbon fraction, ethanol and an additive with an emulsifying and solubilizing ability. The composition comprises a) 70-95% by weight of an hydrocarbon fraction having a boiling point within the range from 130 to 425° C., b) 2-25% by weight of ethanol, c) 0.002-0.8% by weight of water, and d) 0.2-25% by weight of an additive comprising 5-100% by weight of an nitrogen-containing surfactant, such as an amine surfactant, an ether amine surfactant, an amine oxide surfactant and an amido surfactant, and optionally an alcohol having a hydrocarbon group of 5-24 carbon atoms. Preferably the additive comprises 5-90% by weight of the nitrogen-containing surfactant and 10-95% by weight of the alcohol. The composition, which can be stored for long periods, may be used as a fuel in diesel engines.
Abstract:
A diluted fuel includes the addition to a base fuel of a volume increasing, non-reactive, inert gas as a diluter. A fuel tank, a tank of diluter and a tank of combustion enhancing additive are arranged to feed their respective products through control valves into an intermediate mixing tank. The mixed fuel is then metered into a tank which includes an interior aluminum mesh to improve the suspension of the diluter within the fuel.
Abstract:
A process for removal of sulfur dioxide from a flue gas. An alkaline admixture is coated with a coating agent that improves dispersability and delays calcination of the alkaline admixture within a combustion zone and results in a coated alkaline admixture. The coated alkaline admixture is introduced to the boiler to create a reaction that reduces the amount of sulfur dioxide from the flue gas.
Abstract:
The present invention provides a process for the production of a fuel composition having a NACE corrosion rating of between 0% and 25%, comprising the steps of: (i) contacting a fuel with a corrosion inhibitor of formula (I) to provide an initial fuel composition wherein m and n are each independently an integer from 0 to 10; wherein R1 is an optionally substituted hydrocarbyl group; wherein either R2 is OR4 and R3 is OR5, wherein R4 and R5 are selected from hydrogen and hydrocarbyl-OH and wherein at least one of R4 and R5 is hydrogen; or R2 and R3 together represent —O—, and (ii) contacting the initial fuel composition with a caustic material to provide the fuel composition without subsequent addition of a corrosion inhibitor.
Abstract:
The disclosure provides conductivity improving concentrates and methods for improving conductivity and reducing risks associated with static discharge in middle distillate fuel composition compositions, particularly diesel fuels. The conductivity improvement is provided with the combination of cerium oxide nanoparticles and dispersant/detergent and shows aged conductivity comparable to or higher than that obtained with conventional antistatic agents.
Abstract:
The frictional pressure drop, or drag, of hydrocarbon fluids flowing through pipelines of various lengths is preferentially lowered by dissolving therein polymeric drag reducer suspensions exhibiting bi- or multimodal particle size distributions. Drag reducers having larger particle sizes dissolve more slowly than drag reducers having smaller particle sizes, and vice versa. By using at least bi-modal particle size distributions, the drag reduction effect may be distributed more uniformly over the length of the pipeline where smaller sized particles dissolve sooner after injection (upstream in the pipeline), and larger sized particles dissolve later (further along the pipeline). Drag reducer suspensions with bi- or multimodal particle size distributions may be made by suspension polymerization.
Abstract:
There is disclosed a method of providing at least one fuel additive to a heavy fuel oil, the method comprising: adding at least one fuel additive into a container comprising a heavy fuel oil, the addition occurring at a location removed from the end use site.
Abstract:
A method and composition for a freeze-protected, stabilized polymer drag reducing agent suspension comprises a combination of a drag reducing agent polymer and an aqueous carrier. The carrier comprises a dissolved alcohol, glycol, diol, or glycol ether and a dissolved polysaccharide. The resulting suspension is relatively stable against settling, separation and agglomeration.
Abstract:
A method and a quaternary ammonium or phosphonium composition used therein for inhibiting retarding, mitigating, reducing, controlling and/or delaying formation of hydrocarbon hydrates or agglomerates of hydrates. The method may be applied to prevent or reduce or mitigate plugging of conduits, pipes, transfer lines, valves, and other places or equipment where hydrocarbon hydrate solids may form under the conditions. At least one quaternary ammonium or phosphonium compound is added into the process stream, where the compound may be mixed with another compound selected from other amino alcohols, esters, quaternary ammonium, phosphonium or sulphonium salts, betaines, amine oxides, amides, simple amine salts, and combinations thereof.
Abstract:
Organically complexed nanocatalyst compositions are applied to or mixed with a carbon-containing fuel (e.g., tobacco, coal, briquetted charcoal, biomass, or a liquid hydrocarbon like fuel oils or gasoline) in order to enhance combustion properties of the fuel. Nanocatalyst compositions can be applied to or mixed with a solid fuel substrate in order to reduce the amount of CO, hydrocarbons, and soot produced by the fuel during combustion. In addition, coal can be treated with inventive nanocatalyst compositions to reduce the amount of NOx produced during combustion (e.g., by removing coal nitrogen in a low oxygen pre-combustion zone of a low NOx burner). The nanocatalyst compositions include nanocatalyst particles made using a dispersing agent. At least a portion of the nanoparticles is crystalline with a spacing between crystal planes greater than about 0.28 nm. The nanocatalyst particles can be activated by heating to a temperature greater than about 75° C., more preferably greater than about 150° C. and most preferably greater than about 250° C.