[Sponsored Report] GS Caltex innovates with biobutanol fuel

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[Sponsored Report] GS Caltex innovates with biobutanol fuel


GS Caltex employees conduct research on biobutanol. [GS CALTEX]

GS Caltex is preparing for the distribution of biobutanol.

Having established its Yeosu research institute in South Jeolla in 1986, GS Caltex has developed various products in the petrochemical field such as lubricant oils and polymer products. Its most recent product is the eco-friendly fuel biobutanol.

Currently, the most popular biofuel in the transportation field is bio-ethanol. But in technical terms, bio-ethanol has major drawbacks in that it requires additional investment in distribution facilities. The reason is that bio-ethanol is not compatible with infrastructure used for other, more frequently used fuels.

Biobutanol has a higher energy density than bio-ethanol, and once blended with gasoline, it has a higher fuel efficiency. But the biggest benefit of biobutanol is that it can be transported and stored without reforming the existing infrastructure for petroleum-based fuels.

Many products used in daily life can also be made from biobutanol as the base material. Adhesives used in ink, paint, detergents for semiconductors, flavoring agents for food, soap and makeup are all items on this list.

Research from 2013 shows that the global demand for butanol in the fuel market is 3.9 million tons, of which the Asian market takes up 50 percent. This number is expected to rise to 4.9 million tons per year by 2018.

This is why China is keeping an eye on the biobutanol business. But Chinese companies, who stopped commercial production of biobutanol in 1990, are facing technical barriers. Their main obstacle is the usage of expensive base materials such as corn and cassava, which elevates the cost. Consequently, the actual production of biobutanol is currently being postponed in mainland China.

Meanwhile, after eight years of research, GS Caltex has completed an integrated process system which includes every step of biobutanol production, from fermentation and adsorption to refining. The newly developed production line was verified in a pilot operation and is currently waiting for commercialization. The demo plant, now in its pre-production stage, will be completed in 2016.

While developing the integrated process system, GS Caltex acquired more than 40 domestic and international patents.

One of those patents is a technology that produces the fuel from a wide variety of inedible biomass, from waste wood to corn stalks. This cut the production cost to an incredibly low point, easily surpassing the cost competitiveness of other, more popular fuels.

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