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Zero Energy Cool Chamber (ZECC): An Unique Low-cost Food Preservation System

Debasree Ghosh


Zero energy cool chamber (ZECC) is an environment friendly or eco-friendly and low-cost post-harvest technology which can be made up with locally available low-cost materials like brick, sand etc. For this reason, it can easily be constructed in rural and remote areas. It is mainly used to store fruit and vegetable. It does not need any electricity that’s why it also saves energy. Temperature and humidity are two important factors that plays important role in ZECC. ZECC contains a double walled chamber which can be made of baked bricks with coarse sand, which is used to filled the annular space of the storage system.From various sources it has been observed that high ambient temperature plays a major role in storage of products and it accelerates the process of dehydration in fruits and vegetables and it also reduces the water content of fruits and vegetables, decreases their shelf-life and it also makes co-spoilage in due course of time. As the conventional methods of air conditioning and refrigeration are costly and they require electricity, so, in many rural areas farmers are not be able to use this. ZECC is used not only to solve this problem, but also to extend the shelf life of fruits and vegetables.


Eco-friendly system, low cost of construction, temperature and humidity, double walled chamber, genetic algorithms, air conditioning.

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