instant coffee

Instant coffee powder is produced. Is extracted and dried soluble solids in Coffee and aroma substance composition of the powder or granule Instant coffee production is not suitable for small enterprises. Due to the high cost of the machines, such as the extraction of the dried powder. (Pres tripping) Some compounds. The flavor will be separated before extraction of soluble solids. Use steam to pass through the coffee roasting and then. Vapor pressure is high enough to allow the water through the coffee to be compatible. Flavor compounds are condensed with Tubular condenser and the mixture is extracted with water, coffee later.

Extracting soluble coffee solids. Extracting soluble coffee solids. The use of water as a solvent. The extraction is carried out continuously until the solution has a concentration of about 15-25% w / w of the extract at a temperature of 175 degrees Celsius popular at 100 ° C, the extract was dried solids difficult to extract soluble solids. There are three ways.

    - (Percolation batterers) is the most common. By coffee beans in a container. It then passed into the hot water to extract soluble in strong coffee. Coffee will be released. The new vessels will replace existing vessels. Temperature at 175 ° C for extraction under pressure. Solution would be. Concentration of about 15-25% wt. / Wt. Drying process to continue.

    - The flow in opposite directions. (Counter current system) will be passed into the coffee container, continuous temperature control sphere. And will be supplied at the top. With a screw rotation around 10-22 per hour. The hot water from the top to the extraction of soluble coffee solids. The coffee at the bottom will drop out. The system requires a pressure and temperature 180 degrees Celsius.

    - (Slurry Extraction), coffee and water are stirred together in a tank and is separated by centrifuging. The machinery for this process is very expensive.
Drying (Drying) coffee can be dried using. The spray drying, freeze drying machine. Or roller drying. Air drying spray (Spray drying).

    - Spray drying. The resulting coffee is a small aerosol droplets. (Diameter 100-200 microns) in a hot air currents flowing in the same direction (150-300 ° C) in a large drying cylinder. Coffee that has to be separated from the liquid by means of Centrifugal atomizer is being submitted to the rotating container. The size of the droplets to create a new solution in concert in New York. The dried coffee is brought out by the use of a screw conveyor or pneumatic systems.

    - Drying, freezing (Freeze drying) drying the freeze-dried by evaporation to a solid without melting or sublimation of water called coffee is slowly hardening. Refrigeration equipment in general. Then freeze under pressure 610PA and hot steam is drawn back to the condensation in the evaporator. Drying and final drying by evaporation. Need coffee in a foam-like material to prevent crystallization of the glassy freezing.

    - Drying drum (Drum drying), drying is not as popular as now. Due to drying coffee. Contact with the cylindrical roller is extremely hot.

      Here is how to make instant coffee. The next article I will tell you the best instant coffee in the world. Keep track of it. Thank you.

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