When it comes to decaffeination methods for coffee beans, the most popular type is the Swiss Water Process. This method uses water and activated charcoal to remove caffeine from the beans while preserving their flavor profile. Other common decaffeination methods include solvent-based processes using chemicals such as methylene chloride or ethyl acetate. However, these can sometimes leave behind a chemical taste in the coffee. Ultimately, choosing a decaf method depends on personal preference and priorities - whether it's minimizing caffeine intake or maintaining taste quality. But with the Swiss Water Process, you can enjoy a delicious cup of decaf without sacrificing flavor.