Title:
重金属類を含む廃棄物の処理装置およびそれを用いた重金属類を含む廃棄物の処理方法
Document Type and Number:
Japanese Patent JP6872101
Kind Code:
B2
Abstract:
Provided are a simple, low-cost treatment device and treatment method for waste matter containing heavy metals, the treatment device comprising: a sealed container having a closed space for storing a Ca component material and a SiO2 component material in an amount sufficient for forming 5CaO.6SiO2.5H2O crystals (tobermorite) for sealing, inside a crystal structure, waste matter containing heavy metals or at least the heavy metals undergoing treatment; a steam jetting means for jetting high-temperature, high-pressure steam into the closed space; a cooling means for cooling and liquefying the vapor inside the closed container after treatment; and a separation and recovery means for discharging a mixture of the waste matter containing tobermorite in which the treated heavy metals are sealed, and a liquid containing the liquefied components, and then separating both from each other. Waste matter containing heavy metals can thereby be safely treated using high-temperature, high-pressure steam, the heavy metals are immobilized to inhibit elution, and the mixture containing a liquid and waste matter in which the heavy metals have been immobilized can be separated and recovered using a simple operation.
Inventors:
Saburo Matsui
Application Number:
JP2014508992A
Publication Date:
May 19, 2021
Filing Date:
April 04, 2012
Export Citation:
Assignee:
g-8 international trading Co., Ltd.
International Classes:
B09B3/00; C02F11/00; C02F11/08
Domestic Patent References:
| JP2008000689A | ||||
| JP2002320952A | ||||
| JP200655761A | ||||
| JP201131180A | ||||
| JP200424969A | ||||
| JP2006167509A | ||||
| JP2008155179A | ||||
| JP2009233646A |
Foreign References:
| WO2006126273A1 |
Other References:
宮代 知直,「亜臨界水反応を用いた廃棄物の多目的資源化と安全性評価」,筑波大学大学院 生命環境科学研究科 生命産業科学専攻 博士(学術)学位論文,2012年1月,p.34-50
Attorney, Agent or Firm:
Koichi Nakazato
Hitoshi Kawasaki
Keiji Mishima
Takuo Nakazato
Hitoshi Kawasaki
Keiji Mishima
Takuo Nakazato