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Product
2nd Nov 2010
Anti-oxidants retard oxidation and reduce gum formation; they extend storage life and protect fuel systems by increasing resistance to oxidation. Modern fuels tend to be more susceptible to oxidation than untreated fuels, since the treatment not only removes the undesirable components, but also natural oxidation inhibitors. Dyes are added to untaxed fuel to deter its use in applications intended for taxed fuel or white fuel. In many countries it is mandatory to dye an untaxed or low-taxed fuel. The dyes used are soluble in hydrocarbon-based nonpolar solvents.
Anti-oxidants retard oxidation and reduce gum formation; they extend storage life and protect fuel systems by increasing resistance to oxidation. Modern fuels tend to be more susceptible to oxidation than untreated fuels, since the treatment not only removes the undesirable components, but also natural oxidation inhibitors. Dyes are added to untaxed fuel to deter its use in applications intended for taxed fuel or white fuel. In many countries it is mandatory to dye an untaxed or low-taxed fuel. The dyes used are soluble in hydrocarbon-based nonpolar solvents.
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Bactericides prevent or eliminate all bacterial (fungi, algae, yeasts) contamination.
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Cetane number improvers can reduce emissions and engine noise, and result in maximum power. Higher cetane fuels will have shorter ignition delay periods than lower cetane fuels. Fuels with higher cetane numbers which have shorter ignition delays provide more time for the fuel combustion process to be completed. Hence, higher speed diesels operate more effectively with higher cetane number fuels. A cetane number is a measure of the ignition quality of diesel fuel, it is not a measure of fuel quality. Cetane improvers encourage early and uniform ignition of the fuel. They discourage premature combustion and excessive rate of pressure increase in the combustion cycle.
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CFPP improvers maintain and/or improve cold flow properties of diesel fuels. In cold climates the Cold Filter Plugging Point of diesel fuels is very important and is specified in various standards such as the European diesel specification. The cols flow behaviour of diesel fuels usually depends on their molecular structure. As a fuel is cooled to its cloud point, the normal paraffins begin to separate from the fuel wax. Upon further cooling more wax appears, finally resulting in preventing fuel flow. The addition of cold flow additives tend to enhance the cold flow characteristics of these fuels and act to modify the wax.
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Cloudpoint improvers improve the point at which small crystals can be visually observed as gas oil and diesel cools; keep it clear.
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Conductivity improvers are used to mitigate the risk of fire or explosion. They improve the conductivity of the fuel, thus permitting any electrostatic charge built up during high volume transport of the fuel to safely dissipate without generating a spark. This prevents ignition of volatile fumes which might be present in the area.
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Corrosion inhibitors are chemical additives used in acid treatments to protect iron and steel components in the wellbore and treating equipment from the corrosive treating fluid. This protection must remain effective under the anticipated pressure and temperature environment for the duration of the treatment. It forms a layer on the surface of the material that stops the destructive influence of corrosive agents on the metal. It eliminates more than 99% of the metal losses that would occur if the inhibitor were not present.
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Dehazers are surfactants which enhance the coalescence of small water droplets suspended within the fuel, which reduces settling time and increases water separation, enabling you to meet shipping schedules and decreasing storage space requirements.
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Demulsifiers are a class of speciality chemicals used to separate emulsions (saline water) from crude oil before refining. The majority of water and salt must be removed, otherwise corrosion problems may occur in the refining process. Every crude needs a tailor made demulsifier, because natural emulsions are a complex system of many emulsifiers that hold water droplets within the oil. The solubility of a demulsifier depends on the demulsifier composition, the oil composition, and the salt concentration in the brine water. Demulsifiers are used in the chemical analysis of oil and synthetic muds and to treat produced hydrocarbons.
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Dyes/Markers are used to colour and mark fuels.
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H2S scavengers are appropriate for use at Low H2S concentrations where conventional chemical absorption and physical solvents are not economical. Sulfides can be precipitated harmlessly from water muds or oil muds by treatments with the proper sulfide scavenger. Scavengers are treating chemicals which are added to a drilling mud or other fluid to react with a contaminant to change the contaminant to a less harmful compound. Hydrogen Sulfide (H2S) has plagued the industry for many decades. It can be a costly problem, increasing maintenance costs, corroding equipment and pipelines, affecting product quality, interfering with production and shipping schedules and even generating huge fines for non-compliance.
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Lubricity improvers increase the lubricity of diesel fuels by incorporating lubricity additives. Low sulphur diesel fuels have become an environmental necessity due to concerns over emissions of diesel engines. However the reduction in the sulphur and aromatics content of diesel fuels has resulted in lubricity problems. Low sulphur diesel fuels have been found to increase the wear and tear of all kinds of equipment. Lubricity improvers are able to restore the lubricity to the required performance level, by creating a fine layer over a metal surface, so that direct metal-to-metal contact is avoided.
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Mercaptan scavengers are used for the specific treatment of heavy oils containing mercaptans, but which exhibit a tendency to form emulsions. Mercaptans encountered can cause many problems ranging from malodours to metal corrosion. Because of the volatility of mercaptans they tend to evolve into vapour spaces, where their offensive odours create problems in and around storage areas and throughout pipelines and shipping systems used for transportation.
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Pour point depressants lower the temperature under which a fluid will flow; they are designed to modify wax crystal formation in lubricants, because waxes crystallise at lower temperatures. The effect of a pour point depressant is a better flow behaviour and a depression of the pour point.
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RON/MON improvers are used to improve the octane rating of fuel. Petrol is a complex mixture of hundreds different chemical compounds. It doesn’t have a fixed composition, but is graded according to its performance in a test engine, which results in an octane rating or number (RON/MON). The Research Octane Number (RON) is a measure of how good a petrol is at resisting engine knock. In the long term engine knock can cause damage to the pistons and lead to engine failure.
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Tankcleaners are cleaning agents used as a solvent cleaner and oil dispersant. During the storage of oil products, such as crude oil, fuel oil and other refined oils, in oil tanks, a minor portion of the oil is precipitated. The precipitated material is deposited on the bottom and the sides of the oil tank and in time it will form a comparatively thick sludge layer in the tank. Especially in tanks used for the storage of crude oil, the layer thus formed will contain components other than hydrocarbons. Thus, there may be considerable amounts of water, sand, loose rust and sludge present in the layer. Cleaning agents remove oil residues from a tank containing an oil-containing liquid and a layer of oil residues.
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