Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HEAVY METAL COMPONENT RECOVERY METHOD
Document Type and Number:
Japanese Patent JP2004122009
Kind Code:
A
Abstract:

To provide a recovery method of heavy metals in ash.

In this heavy metal recovery method, heavy metal components in ash are extracted as heavy metal ions using acidic water; the hydrogen ion concentration of the obtained extracted water is adjusted to 0.1mole/litter or more; a surfactant is added; the extracted water is foamed; the generated foams are separated from the extracted water; and the heavy metal ions are collected and recovered from the separated foams.


More Like This:
JPS60112742METHOD FOR PURIFYING AND RECOVERING ORGANIC EXTRACTANT
WO/2020/252594INDUSTRIAL-SCALE PROCESSING OF CANNABIS MATERIAL
JP4597107Arsenic removal method and arsenic removal device from arsenic-containing material
Inventors:
HORIUCHI HIROSHI
NAKADA NOBORU
NAKAJIMA MINORU
Application Number:
JP2002290788A
Publication Date:
April 22, 2004
Filing Date:
October 03, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TEIJIN FIBERS LTD
International Classes:
B01D11/02; B09B3/00; C22B3/44; C22B7/02; C22B30/02; F23J1/00; (IPC1-7): B09B3/00; B01D11/02; C22B3/44; C22B7/02; C22B30/02; F23J1/00
Attorney, Agent or Firm:
Hayashi Tsunetoku
Kenji Doi



 
Previous Patent: ULTRAVIOLET STERILIZER

Next Patent: GARBAGE DISPOSER