Abstract
The paper presents the results of recycling of asbestos-containing waste (ACW). It is shown that hydraulic activity of ACW is increased using mechanochemical treatment in the vibratory ball mill in presence of anionic surfactant. Experimental results show that substitution of 10% w.t. of cement on activated asbestos-containing waste leads to increasing of the compressive strength to 20%. Finally, the effect of the activated ACW on the hardening kinetics of mortars is examined.
Highlights
IntroductionEven countries with a long history of production and successful use have a ban on all asbestos materials [1]
Asbestos cement materials have a doubtful reputation all around the world
The current paper presents experimental results of mechanochemical treatment of asbestoscontaining waste (ACW)
Summary
Even countries with a long history of production and successful use have a ban on all asbestos materials [1]. The curretn research deals with chrysotile-asbestos only, which is the most popular type of asbestos [3] and has being used at production of cement-based materials. It is known that not all types of asbestos are hazardous, according to the “amphibole hypothesis” [4], [5]. This hypothesis is based on the series of experiments showing that lung diseases are related with amphibole type of asbestos only. It is possible to use chrysotile with a proper safety control and technology [6], [7]
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