Washed Process or Wet Process

Washed Process or Wet Process, From Mas Black Coffee Purbalinggaa, there are two methods used to process coffee cherries. The first method has a fully washed process and the second method can use a semi-washed process. To process coffee cherries, there are various processes, but this time, mas black coffee will discuss a little about the washed process or wet process for robusta coffee cherries. 

Read also : Types of Indonesian coffee

Full washed Process, a wet process, on robusta coffee cherries that have been sorted and peeled using a pulper machine or other tools. After the robusta coffee beans are peeled, the skin is left, soaked in clean water from 12 hours to 34 hours depending on cleanliness. mucus that sticks to the coffee beans. During immersion the water is changed one to three times until the Robusta coffee beans in the immersion are completely clean and the water looks clear. After that, robusta coffee beans can be dried in the sun to a moisture content of 10-12% dry for storage. 

Read also: Post-harvest process

Semi Washed Process, Is a process termed wet milling. This process is not much different from being completely washed. However, this process involves two drying times. After sorting, the robusta coffee cherries are first peeled and dried in the sun until the humidity of the robusta coffee beans is 30-35%. then peeled again from the husk to form clean coffee beans, and dried again to 11-12% humidity in dry conditions for storage. Also Read : Special robusta coffee beans