Most
decaffeinated coffee is made using a chemical process first used in Europe.
This process involves soaking the beans in water and then "washing" them in
methylene chloride to absorb the
caffeine from the bean. After this, the beans are rinsed clean of the chemicals and dried.
The advantage of this method is that it provides
decaf coffee with more flavor than the
swiss water process.
This method of decaffeination is rumored to create
carcinogenic beans.