The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 2000
Filed:
Mar. 19, 1998
Hoo-Kun Lee, Daejeon-Si, KR;
Myeong-Soo Jeong, Daejeon-Si, KR;
Won-Zin Oh, Daejeon-Si, KR;
Hyun-Soo Park, Daejeon-Si, KR;
Korea Atomic Energy Research Institute, Daejeon-Si, KR;
Abstract
A wet recycling method for impregnated active carbon used to remove radioactive organic iodide in a nuclear power plant by extracting impregnated substance and radioactive organic iodide from the used impregnated active carbon with an acetonitrile solution and reproducing active carbon to be used in preparing impregnated active carbon, the filtered extractive solution being distilled to obtain pure acetonitrile for the use purpose as an extractive solution, the impregnated substance and radioactive organic iodide extracted in a small amount of solid, thus reducing the volume of the waste impregnated active carbon greatly to decrease solid waste material and at the same time recycle materials.