汚泥造粒品の焼成方法及びその使用方法
- 专利权人:
- 株式会社日本海技術コンサルタンツ
- 发明人:
- 安藤 進一
- 申请号：
- JP2008308765
- 公开号：
- JP5319254B2
- 申请日:
- 2008.12.03
- 申请国别(地区):
- JP
- 年份:
- 2013
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide a technique being an inexpensive, safe and easy method for treating sludge such as raw sludge and digested sludge produced in a sewage treatment plant or the like or bottom sludge and Shochu (Japanese spirits) lees sludge by being mixed with stone powder, granulating the mixture and burning them at a temperature without producing dioxin.
SOLUTION: Powder of tuffaceous sandstone, andesite, andesitic tuff and granite, which are troublesome when treated, is fed to a mixer together with the sludge and agitated/mixed. Thus water content of the obtained mixture is decreased. The mixture is granulated and dried by calcination at low temperature of &le300°C to obtain sludge granulated calcined product. Obtained sludge granulated calcined product is usable as a substitute of Akadama soil and further can be repeatedly granulated and calcined as a substitute of the stone powder after being mixed with the sludge.
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- 来源网站：
- 中国工程科技知识中心
