| 摘要 |
The disclosure relates to a method of producing a high-quality coffee extract. The roasted coffee beans are positively fed into water and are ground in a colloid mill (10) during simultaneous mixing to form a coffee suspension. The coffee suspension is extracted in at least one decanter centrifuge (21) to form a liquid coffee extract of high quality. The coffee concentrate possibly passes through a filter (28) before being cooled in, for example, a plate heat exchanger (29). The system for carrying the method into effect is a closed system (32) from the infeed of the coffee beans into water, and until the finished coffee extract has been cooled. |
