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Comment Business & Economics

Lanxess expands dichlorobenzene capacity at Leverkusen facility  

By Gerald Ondrey |

Lanxess AG (Leverkusen, Germany; www.lanxess.com) has increased its dichlorobenzene capacity by more than 15%. It has done so by installing an additional crystallizer at the Leverkusen site, thereby enabling it to produce more high-purity p-dichlorobenzene for the global market. Some €3 million has been invested in the capacity expansion for this intermediate for the manufacture of high-performance plastics. The Leverkusen production network of the Advanced Industrial Intermediates (AII) business unit converts toluene and benzene into chloroaromatics by adding chlorine. In addition to low chlorinated aromatics such as monochlorobenzene, this process also produces higher chlorinated aromatics such as dichlorobenzene (DCB). “Our aromatics know-how focuses primarily on demand-based isomer management and we are one of the few manufacturers worldwide to offer this capability,” states Hubert Fink, head of the Advanced Industrial Intermediates business unit. DCB production involves high-purity isolation of the isomer p-dichlorobenzene (p-DCB) from a melt in a crystallization process downstream of distillation based on cooling and solidification that takes place in crystallizers. The high-purity p-DCB obtained is used to produce…
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