|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||34/396; 34/218; 34/219; 34/077; 34/078|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 39 인용 특허 : 21|
A system for drying wood particles and a method of operation wherein the wood particles are introduced into a dryer and contacted directly with a combustion system exhaust stream. VOC's emitted from the wood particles during drying are recycled to the combustion system for destruction. In one method according to the invention, a portion of the VOC-laden dryer exhaust stream is recycled to the dryer.
1. A method of drying a cellulosic material comprising the steps of: a. discharging an exhaust stream from a combustion device; b. directly contacting a first portion of the exhaust stream with a cellulosic material; c. transferring volatile organic compounds from the cellulosic material to the first exhaust stream portion; and d. introducing at least a portion of the first exhaust stream into the combustion device and destroying the volatile organic compounds therein.