BASF unveils Durasorb HRU for removal of BTX and heavy hydrocarbons

Customers benefit from increased adsorbent capacity resulting in smaller vessel sizes and increased plant reliability due to removal of freezing components prior to liquefaction

Adrian Steinmetz, vice president, chemical market catalysts and adsorbents, at BASF.
Adrian Steinmetz, vice president, chemical market catalysts and adsorbents, at BASF.

BASF launched Durasorb HRU as an addition to the Durasorb portfolio for liquefied natural gas (LNG) pre-treatment that is specifically designed for the removal of BTX and heavy hydrocarbons. It provides a 30% increase in capacity for BTX components, allowing for the effective removal of BTX to less than 1ppm without compromising unit efficiency.

All over the world, but especially along the US Gulf Coast, LNG production plants operating on lean natural gas feeds struggle to remove traces of BTX and hydrocarbons, which causes freezing in the cold box resulting in plant downtime. The mechanical solutions to this challenge can be costly and can require external solvent and increases plant complexity. Durasorb HRU is an elegant solution for removal of BTX and heavy hydrocarbons. Implementing a hydrocarbon removal unit (HRU) in the LNG pre-treatment section ensures removal of these impurities and provides operational flexibility to the plant.

The addition of Durasorb HRU to the portfolio provides yet another solution to our LNG customers.  Not only can an optimised process be designed for new projects, but this solution can fit into existing units, providing LNG producers with an easy, reliable solution to cold box freezing without requiring capital investment,” says Detlef Ruff, senior vice president, process catalysts, at BASF.

“Our adsorbents team continues to solve problems for our customers.  Not only does Durasorb HRU increase bedlife, it also increases production by reducing downtime which helps to save costs for our customers,” says Adrian Steinmetz, vice president, chemical market catalysts and adsorbents, at BASF.

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