Immobilization of hospital waste incineration ashes in glass-ceramic composites

被引：28

作者：

Stoch, Pawel ^{[1
]}

Ciecinska, Malgorzata ^{[1
]}

Stoch, Agata ^{[2
]}

Kuterasinski, Lukasz ^{[3
]}

Krakowiak, Ireneusz ^{[4
]}

机构：

[1] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, Mickiewicza 30, PL-30059 Krakow, Poland

[2] Inst Electr Mat Technol, Krakow Div, Zablocie 39, PL-30701 Krakow, Poland

[3] Polish Acad Sci, Jerzy Haber Inst Catalysis & Surface Chem, Niezapominajek 8, PL-30239 Krakow, Poland

[4] Warsaw Univ Technol, Fac Automot & Construct Machinery Engn, Narbutta 84, PL-02524 Warsaw, Poland

来源：

CERAMICS INTERNATIONAL | 2018年 / 44卷 / 01期

关键词：

Glass-ceramic; Incineration ash; Borosilicate glass; Sintering; Radioactive waste; CALCIUM BOROSILICATE GLASSES; RADIOACTIVE-WASTE; VIBRATIONAL-SPECTRA; FLY-ASH; MANAGEMENT; MOSSBAUER; CRYSTALLIZATION; VITRIFICATION; SPECTROSCOPY; BORATE;

D O I：

10.1016/j.ceramint.2017.09.238

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In the paper process of sintering of hospital incineration ash as a counterpart of low-level active waste with borosilicate glass fit is presented. It is shown that low porosity glass-ceramic waste-form can be obtained at a temperature range of 850-900 degrees C. In the sinter, the main crystal phases are wollastonite and aegirine-augite pyroxenes which have a large isomorphous capacity of binding hazardous elements. The crystal phases are fully encapsulated by the glass that provides additional protection against environmental influence. Thus, multi barrier material can be obtained at a temperature considerably lower than vitrification. This, in turn, can improve the economics of immobilization process.

引用

页码：728 / 734

页数：7

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