Research Projects

Project at a Glance

Project Status: complete

Title: Solar crop drying demonstrations. Final report

Principal Investigator / Author(s): Conserval Systems, Inc.

Contract Number: ICAT 01-5


Research Program Area: Emissions Monitoring & Control

Topic Areas: Agriculture, ICAT Grants / Technology


Abstract:

This project demonstrated the use of solar energy to dry crops grown in California using the low cost unglazed transpired solar collector displacing fossil fuels. The transpired collector or SOLARWALL system has been installed in over twenty countries primarily for heating commercial and industrial buildings. These demonstrations for the California Air Resources Board were the first applications of the transpired collector technology in the USA for drying of crops and it appears to have been the first significant improvement in solar drying technology since the 1980's.

The project involved site selection, design, installation and monitoring of five solar drying demonstration installations in California. Projects include drying of walnuts, pecans, prunes and herbs. All projects were successfully completed and are being used to dry their respective crops.


 

For questions regarding research reports, contact: Heather Choi at (916) 322-3893

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