Non-Invasive disinfection of spice, teas and powders in a vortex flow around UVC lamp
Posted: 15 September 2014 | | 2 comments
SteriBeam Systems GmbH developed a pilot UVC system for sanitation of spices and powders in a vortex flow…
SteriBeam Systems GmbH developed a pilot UVC system for sanitation of spices and powders in a vortex flow. It gets far better results than exposing spice to UV lamp on a vibrating table with a forced mixing. Preliminary results with customers are encouraging, showing 1 to 2 logs reduction at energy costs of about 100-500wh/kg (5-20c/kg). Energy costs are determined by a specific surface of samples. Example: specific surface of 1cm³ is 6 cm². If the same 1 cm³ cube is filled with cubes of 0.1mm (typical powder size), their full specific surface is 600 cm². Since UV doses increase proportionally with a surface to treat, powder, spice and tea sanitation with UV is an energy consuming process. Many samples usually keep their original properties, yet some can bleach to various degree. Yet for many products this is a choice of a non-invasive sanitations. New customers are invited to test their products for modest fees to cover our bio-analysis (TPC) and the system usage. Tests are necessary since each spice, tea or powder are unique in their properties to the UV light and have various bio-loads. Therefore each vortex UV sanitation is individual.