Method of thermally and selectively separating water and or solvents from solids under vacuum utilizing radiant heat
US5820820A · kind A · utility
Inventor
Key dates
| Filing date | Apr 18, 1997 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Apr 18, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B11/0495
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for selectively dehydrating organic matter, and at the same time eliminating insects, larvae and insect eggs that are carried by the organic matter is provided. This process leaves the product free of all toxic chemicals. The process includes the use of selected narrow bands of infrared radiation. Narrow bands of infrared radiation are selected that most efficiently penetrate the product being processed. The color of the product, its physiological properties such as oil, sugar and water content are factors considered in the selection of the vacuum, temperature, and time of the process. The process is performed in a vacuum which reduces the vapor point of the target water or solvent contained in the product being processed and permits the process to be performed at a temperature that does not harm the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.