… they generate cold indirectly via cold water, can be operated using a series of natural refrigerants such as R290 or R717 (ammonia). Owing to its positive … generators driven by thermal energy In addition to compression chillers that run on natural refrigerants, absorption and adsorption chillers are also available. They …

… water production in commercial as well as industrial applications. Heat pumps use natural heat in a very energy-efficient way. last update on 21.08.2023 Energy efficient heat pumps using the natural refrigerant propane (R290) are available for all heat sources. If heat pumps …

… for energy-efficient stationary refrigeration and air conditioning systems using natural refrigerants. Climate-friendly cooling of food If you want to stop using HFC … years. The phase-out process also leads to increased prices for HFC refrigerants. Natural refrigerants, on the other hand, are not subject to shortages and are …

… in Gewässern Wasserökonomik Related publications Contaminants in water resources: Prioritization and recommendations for conducting a “cold” biodegradation …

… can offer various environmental opportunities, e.g. in the field of energy and resource efficiency, site remediation, or water purification. However, as a … can offer various environmental opportunities, e.g. in the field of energy and resource efficiency, site remediation, or water purification. However, as a …

… is highly toxic. The acute toxicity of this substance is exceeded only by very few natural substances. In animal tests the diptheria toxin proves to be three times as … is highly toxic. The acute toxicity of this substance is exceeded only by very few natural substances. In animal tests the diptheria toxin proves to be three times as …