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The application fields of butane

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Butane (C4H10) contains two isomers: normal butane and isobutane. It is mainly separated and purified from oilfield gas, wet natural gas, and petroleum cracking gas. As an important low-carbon alkane, butane has extended from traditional fuel applications to fields such as fine chemicals, refrigeration, and new materials, forming a dual application pattern of fuel energy and chemical deep processing. It is an indispensable basic chemical raw material in industrial production and daily life.

 1. Fuel and Energy Field

Butane is the core component of liquefied petroleum gas (LPG) and is often used in combination with propane to meet various fuel needs. At the civilian level, it is widely used in household cooking, heating, outdoor camping stoves, and also as the core filling gas for lighters; at the industrial level, it can be used as fuel for industrial heating and drying of crops, and can also be used as a supplementary gas source during peak gas supply periods to ensure stable gas supply.

In the automotive fuel field, normal butane can be blended with gasoline to improve fuel performance; isobutane is a core raw material in oil refining and through alkylation reactions, it can be converted into high-octane alkylation oil, which is an important raw material for synthesizing styrene-butadiene rubber, nitrile rubber, and ABS resin; it can also be used as a supplementary gas source during peak gas supply periods to ensure stable gas supply.

In the field of vehicle fuel, normal butane can be catalytically dehydrogenated to produce butene and butadiene, which are key raw materials for synthesizing styrene-butadiene rubber, nitrile rubber, and ABS resin; at the same time, it can be catalytically oxidized to produce adipic acid (adiponitrile), which is widely used in unsaturated polyester resins, industrial coatings, and plastic additives, and is one of the mainstream production methods for adiponitrile. In addition, normal butane can also be further processed to produce basic organic chemical raw materials such as acetic acid and acetaldehyde.

Isobutane is mainly used for dehydrogenation to produce isobutene, which is further synthesized into MTBE (methyl tert-butyl ether), as a high-octane gasoline additive; at the same time, it can be produced through isomerization, halogenation, nitration, and high-temperature catalysis, and can be used to produce fine chemical products such as methyl acrylate, halogenated butane, nitrobutane, disulfide, and industrial hydrogen, meeting the needs of diversified chemical production.

 2. Chemical Synthesis Field

With the upgrading of chemical industry, the deep processing and application of butane have gradually replaced traditional fuel uses and become the core consumption scenarios. Normal butane can be catalytically dehydrogenated to produce butene and butadiene, which are key raw materials for synthesizing styrene-butadiene rubber, nitrile rubber, and ABS resin; at the same time, it can be catalytically oxidized to produce adiponitrile, which is widely used in unsaturated polyester resins, industrial coatings, and plastic additives, and is one of the mainstream production methods for adiponitrile. In addition, normal butane can also be further processed to produce basic organic chemical raw materials such as acetic acid and acetaldehyde.

Isobutane is mainly used for dehydrogenation to produce isobutene, which is further synthesized into MTBE (methyl tert-butyl ether), as a high-octane gasoline additive; at the same time, it can be produced through isomerization, halogenation, nitration, and high-temperature catalysis, and can be used to produce fine chemical products such as methyl acrylate, halogenated butane, nitrobutane, disulfide, and industrial hydrogen, meeting the needs of diversified chemical production.

 3. Refrigeration and Aerosol Field

High-purity isobutane (R600a) is the mainstream environmentally friendly refrigerant, with an ozone depletion potential (ODP) of zero and a global warming potential (GWP) that is extremely low, perfectly replacing traditional fluorocarbon products. High-purity isobutane that meets the national standard GB/T 19465-2004 is widely used in household refrigerators, freezers, and small commercial refrigeration equipment, being environmentally friendly and with stable refrigeration performance.

At the same time, isobutane can be used as an environmentally friendly propellant for aerosols and plastic foaming agents, replacing high-polluting chlorofluorocarbon materials, and widely used in daily care sprays, air fresheners, insecticides, polyurethane foam production, etc.

 4. Industrial Support and Research and Testing Field

Butane has excellent solubility and extraction properties and can be used as a subcritical biological technology extraction solvent, heavy oil deparaffinizer, oil well wax removal solvent, and can also be used as a petroleum secondary recovery aid, olefin polymerization reaction solvent. In addition, high-purity butane can be formulated as standard gases for calibration of gas chromatography instruments and industrial gas detection and analysis, meeting the high-precision detection requirements of research laboratories and industrial quality inspection.

Compliance and Safety Reminder

Butane is a flammable hazardous chemical. Its production, storage, operation, transportation, and all processes of use must strictly comply with relevant hazardous chemicals laws and regulations. Relevant operating enterprises must have complete compliance qualifications, operators must undergo specialized safety training and hold certificates to work, and storage, transportation, and use links must strictly follow hazardous chemicals safety norms to prevent leakage and explosion risks.

Anhui Shunyu Xinxin Chemical Technology Co., Ltd. is a professional supplier of industrial gases. It offers a variety of compliant butane products, along with compliant storage, transportation and technical services. These are fully compatible with the gas demands of multiple fields such as industrial manufacturing, scientific research and testing, and electronic processes.
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