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Information @ a Glance

General

  • Paraffin, the name given to a mineral wax and oil, and also used as a generic name of a particular series of hydrocarbons.

  • Paraffin is the common name the alkane hydrocarbons with the general formula CnH2n+2. Paraffin wax refers to the solids with n=2040.

  • Paraffin wax is mostly found as a white, odorless, tasteless, waxy solid, with a typical melting point between about 47 C to 64 C, and having a density of around 0.9 g/cm3. It is insoluble in water, but soluble in ether, benzene, and certain esters.

  • Paraffin wax is a low molecular weight, straight chain hydrocarbon with a low melting point(120 F-160F or 49C-71C).

Process

  • Paraffin wax production is based on slack wax, a mixture of oil and wax, which is a by-product of the lubrication oil refinery process.

  • The base waxes are hydro-treated, resulting in Fully Refined Paraffin Waxes (FRP) with an oil content of maximum 0.5 % and Semi Refined Paraffin Waxes (SRP) with an oil content up to 3.5 %. Hydro-treated paraffin waxes correspond to RAL Quality Mark for Candles and fulfil the required food-and-drug regulations.

  • In Chlorinated Paraffin Wax(CPW) process the paraffin Wax is melted in a vessel provided with steam jacket. The molten wax is charged to a glass lined chlorinator jacketed for steam heating. Dry chlorine gas is introduced to the mass of melted wax from bottom at regulated rate. The reaction temperature is maintained at 100oc for 18 to 20 hours. Liberated hydrochloric acid is absorbed in water in a packed absorption column. The chlorinated product is mixed with certain additives, filtered, cooled and sent packing in drums.

Applications

  • Paraffin wax was prepared by melting about 200 g in a stainless steel container on a hot plate at 60oC. When the wax had melted completely, the container was left on the hot plate at 50oC prior to wax treatment on the fruits and vegetable fruits.

  • Commercial paraffin wax was used as phase change material, polyethylene and a copolymer were used as encapsulating materials.

  • paraffin wax is a relatively stable and seemingly innocuous substance without a dangerous goods classification, it is quite combustible and will burn with intense heat, giving off black acrid smoke with a high carbon monoxide content.

Report

  • Paraffin is the major source of energy for the majority of the population in South Africa and is relied upon as the primary fuel by millions of South Africans for cooking, heating and lighting. An estimated 685 million litres of paraffin are used every year for domestic energy in South Africa.

  • Chlorinated paraffins (CPs) are produced in, and imported into, Canada for use as plasticizers and flame retardants as well as extreme-pressure additives in lubricating oils. They are persistent compounds and have the potential to bioaccumulate in aquatic organisms.

  • Global demand for n-paraffins to produce linear alkylbenzene sulfonates (LAS) the detergent industry's workhorse surfactants - continues to grow at nearly 6 percent annually, led by Latin America, Eastern Europe and Asia. LAS is more mature in the U.S. where the growth rate is about 1 to 2 percent.

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