Food Quality Magazine January 2016 - Page 17

Food Quality Magazine ISSUE 01 | JANUARY 2016 Carriere & Sons owns and operates hundreds of acres of walnut trees, in addition to their walnut drying facility. They are also in partnership with Borges of California, which is owned by Borges of Spain. Borges is the world’s leading walnut operator and has forty-eight companies in its group devoted to the production and marketing of oils, dried fruits and nuts. Walnuts are dried at a relatively low temperature with a minimum temperature of 110°F (43°C) leaving the dryer. This low temperature requirement is ideally suited for the use of solar air heating technology. duct packaging and marketing materials that promote the product that has been dried in the facility using a certified solar air collector. AiR Solar Raised AiR Solar Raised would be used by farms and companies that raise animals such as chickens and turkeys in solar heated barns using a certified solar air collector. The logo may only be used on product packaging and marketing materials that promote animals which have been raised in the facility with the solar heating system. As countries around the world embrace the principals of organic agriculture and sustainable production, they are also looking at how their food is processed and if it is safe and eco-friendly. Consumers are ascribing greater importance to the use of clean energy throughout the entire lifecycle of the product, generating more demand for clean energy products for the food industry. Examples in Food Industry Carriere & Sons; Walnut Drying California A normal drying season consists of two months of drying from September 1st to October 31st. The walnuts are dried from 35% moisture content to 10% moisture content. The SolarWall air heating system was installed on the roof of a drying building at Carriere. The 3,200 ft2 (300 m2) solar system spans the entire roof area and will displace around 308 million BTU of natural gas for the two month drying season. The system heats approximately 25,000 cfm of air, which is then ducted into the 70,000 cfm blower. Picture 1 - Carriere & Sons; Walnut Drying California 17