Yang Ma
Land Surveyors in Irvine, CA

License number
Utah 260240-2203
Issued Date
Jun 5, 2008
Expiration Date
Mar 31, 2013
Category
Engineer/Land Surveyor
Type
Professional Structural Engineer
Address
Address
Irvine, CA

Professional information

Yang Ma Photo 1

Ultrasound Assisted Heavy Metal Recovery

US Patent:
2009025, Oct 8, 2009
Filed:
Feb 19, 2009
Appl. No.:
12/388948
Inventors:
Fengchun Xie - Guangzhou, CN
Yang Ma - Irvine CA, US
International Classification:
C02F 11/00
US Classification:
210748
Abstract:
Methods and systems for heavy metal separation and recovery from heavy metal-containing sludge or wastes. The method utilizes ultrasonic treatment assisted acid leaching process to separate and recover different heavy metals from multi metals-containing sludge. The technique can be cost effectively implemented for heavy metal separation and purification processes in the real world at industrial scales.