There are two industrial microwave applications for rice mills: Rice weevils disinfestations and rice bran stabilization.
The Problems Statement of Rice Weevils
Weight Lost:
It is estimated that annual losses of cereal grains due to insects and rodents are approximately 10% in North America and up to 50% in Africa and Asia
Reduced quality of rice:
These pests/insects not only reduce the product quality by direct damage through feeding and indirectly by producing webbing and frass.
Food safety issues:The traditional treatment is chemical fumigation due to low cost, fast speed in processing and ease of use. However, there are some disadvantages of chemical fumigation.
–Consumer health hazards
–Methyl bromide (Ozone layer depletion)
–Aluminium phosphide (Increasing pest resistance)
–Methyl bromide will be global phase-out
–Under Montreal Protocol by 2015.
The idea of using microwave energy for controlling insects was used in insect control. There are some advantages of industrial microwave insect disinfection.
http://www.maxindustrialmicrowave.com/rice-disinfestation-and-bran-stabilization-machine-a-81.html
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