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Dr. André Rosehr

Dr. André Rosehr
Dr. André Rosehr is the linking interface between customers, sales and production in his role as Manager Technical Services & Development. He is the technical contact for Performance Solvents, Middle Distillates and Renewable Products. His focus is on new product development, evaluation of new feedstocks and accommodating the transformation to renewable and sustainable hydrocarbon products at Haltermann Carless. T: +49 40 333 18 166 email: arosehr@h-c-s-group.com

Recent Posts

CBD production: How is this natural substance extracted?

CBD production: How is this natural substance extracted?

Cannabidiol, or CBD for short, is an extract of the female hemp plant that has recently become freely available in the EU. Unlike THC (tetrahydrocannabinol), it is not psychoactive and therefore does not have an intoxicating effect. Rather, the molecule is said to have anticonvulsant and anti-inflammatory effects. We asked ourselves, “How are these natural substances extracted?” Read more about CBD production here.

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Physical blowing agents: Role of Pentane quality for insulation materials

Physical blowing agents: Role of Pentane quality for insulation materials

Manufacturers of insulation materials for construction or cooling units have high demands on the product qualities of their raw materials. After all, insulation materials have to perform at the highest level over the long term. Physical blowing agents such as Pentanes play a particularly important role in this. Without them, the insulating material, for example made of polyurethane foam, cannot fully develop its effect. Find out which quality features are important for physical blowing agents.

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Water treatment: Conserving resources for the most valuable feedstock

Water treatment: Conserving resources for the most valuable feedstock

As early as 1992, the global community recognised that water sustainability concepts are of crucial importance and adopted the guiding principle of sustainable development. Since then, the protection of water resources has been one of the United Nations' greatest tasks and is anchored in the 6th Sustainable Development Goal. Water treatment plays a central role in achieving the sustainable development. In the following article you will learn more about water recycling, treatment processes and why industry is part of the solution.

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Cyclopentane for energy efficient renovation of historic buildings

Cyclopentane for energy efficient renovation of historic buildings

Building insulation is playing an increasingly important role in reducing CO2 emissions and achieving European climate protection goals. Comprehensive insulation is nowadays mandatory in many countries for new buildings. Retrofitting in existing buildings, especially those that are historic, on the other hand, poses many challenges and requires good planning and the right material. Find out here how polyurethane (PU) foam panels and the blowing agent Cyclopentane can contribute to the solution.

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Haltermann Carless solvents for the pharmaceutical industry

Haltermann Carless solvents for the pharmaceutical industry

The production of active ingredients (AI) in the pharmaceutical industry is a crucial area in which consistent quality and stable supply of the products must always be guaranteed. The pharmaceutical industry is not subject to major fluctuations - pharmaceuticals are always needed - and must therefore remain continuously capable of production and delivery. Learn how Haltermann Carless can support the pharmaceutical industry.

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Rigid polystyrene foam: Thermal insulation reduces the CO2 footprint

Rigid polystyrene foam: Thermal insulation reduces the CO2 footprint

Building insulation is far better than its reputation. In addition to energy-saving measures and a new, efficient heating system, façade, ceiling and roof insulation is an important component in saving energy in buildings and thus in reducing greenhouse gases. Rigid polystyrene foam makes an important contribution to this. Read more about the importance of building insulation and why Pentanes from Haltermann Carless play a crucial role in this.

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Effective Chemistry: How efficient refrigeration contributes to sustainability

Effective Chemistry: How efficient refrigeration contributes to sustainability

The possibility of refrigeration is an achievement for the preservation of food and thus for greater variety. However, refrigeration units or cold storage facilities are criticised for their continuous operation in terms of climate protection. Find out here how modern refrigeration systems can nevertheless be energy-efficient and make a threefold contribution to sustainability.

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Pharmaceutical industry: How to avoid contamination in solvents

Pharmaceutical industry: How to avoid contamination in solvents

Solvents play a major role in the pharmaceutical industry and are a key component in the production of active ingredients for drugs. Potential impurities are therefore a major problem and can lead to production downtime. Buyers in the pharmaceutical industry rely on high-purity solvents and observe the following points.

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