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Application filed by zhong-xin Wu, Zhao-Yin Guo, Shang-Lian LuofiledCriticalzhong-xin Wu
Priority to TW93138122ApriorityCriticalpatent/TWI266753B/en
Publication of TW200619152ApublicationCriticalpatent/TW200619152A/en
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Publication of TWI266753BpublicationCriticalpatent/TWI266753B/en
A method for recovering the heavy metals in the sludge by microwave comprises the following steps of: (a) mixing heavy metal sludge and an acid according to a proper solid/liquid ratio to obtain a slurry; (b) adding a microwave absorber to the slurry and obtaining a treated slurry, the microwave absorber is active carbon or sulfur-contained rubber particles; (c) irradiating the treated slurry with microwave for an enough time in a proper power; and (d) filtering the treated slurry which have been irradiated with microwave, so as to obtain treated sludge and a recovered solution containing heavy metals.
TW93138122A2004-12-092004-12-09Method for recovering the heavy metals in the sludge by microwave
TWI266753B
(en)