Resource efficiency in the University Hospital Freiburg in Germany


The concept of “Green Hospital ” combines the goals of medical quality, economy and ecology in the operation of a hospital. For that the VDI Center for Resource Efficiency offers in several short films practice examples. The first film shows the integral measures at the University Hospital Freiburg in Germany. The clinic focuses on integral material flow management that includes many different resources. It has its own power supply and operates a combined cycle power plant and uses among other renewable resources such as wood pellets. Solar panels on the roofs of buildings and a sophisticated facility system, which turns heat into cold, form a complete green energy supply.

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Consultant in mission


Binné is a medium-sized enterprise in Schleswig-Holstein, Germany. It produces thermal insulation for roofs and waterproofing bitumen felts. Material costs account for approx. two thirds of the total costs of the enterprise. The consultant Martin Lott and the involved employees of the enterprise identified a way to save approximately 200,000 € material costs per year. This can be achieved by an optimal production planning and via processing recyclable residual substances.

www.binne.de

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Less electricity in the office


The Hevert-Arzneimittel GmbH & Co. KG produces and distributes homoeopathic medicines. This involves enormous logistic efforts which can only be managed by means of modern information technology. Since May 2011, Hevert-Arzneimittel has been using a modern IT-landscape: three new and more efficient servers take on the work that 21 gradually upgraded servers had to carry out so far. In addition to the mere savings in space and material, also an improved utilization of the servers of 65 percent is achieved. Thus, with the modernization and optimization of the air-conditioning system, Hevert reduces its electricity demand in administration by almost half.

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Heating and climate in the operating room


In the Bethel Berlin hospital, the use of combined heat and power units as well as the substitution of old pumps by modern speed-controlled ones in the heating system provide enormous savings. In the Hubertus Protestant Hospital, the efficiency of the cooling units will is increased by about one third during the transitional seasons. Moreover, a subsurface rainwater tank serves as a reservoir for park irrigation and, in emergency cases, it can be used by the fire brigade for immediate fire fighting. Thus both hospitals in Berlin are able to reduce their water and energy costs by some hundred thousand Euros and to use the saved money where it is most needed – in the care sector.

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Energy contracting – flexibility planned


Three companies in the Industriepark Süd in Ludwigshafen use the energy contracting services of an energy provider. Since the end of the 19th century, the companies have been producing important raw materials for the chemical, pharmaceutical and fertilizer industries at this location. The contractor supplies them with electricity, steam, natural gas as well as with decarbonized and demineralized water for their processes. Energy contracting enabled the companies to optimize their production processes and to save about one third of their energy costs.

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Energy efficient lifts


The operation of lifts in houses consumes up to five percent of the energy. Apart from the actual lift operation, lighting and costly control electronics require considerable amounts of energy. Today, it goes without saying that lifts are built into almost every new house and refurbished building. The ride upwards or downwards is part of the daily routine just like a car ride. It is time to learn how to save energy during this vertical trip: innovative drives, utilization of braking energy and an optimized standby mode provide energy savings of 50 percent.

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