Abstract
In order to predicttechnological properties of local clay based materials mixed to wood waste and to prevent human health andenvironment, experimental mineral structure and composition study were conducted. The influence of wood waste on the structural properties of clay samples were also investigated. Non and stabilized clay sample at 4% of cement were made at different conditions and waste wood at different content have been incorporated. Mineralogical X-ray analysis was carried out using X- raydiffractometer with Geiger counter usingcobalt α radiationwith wavelength Å. inductively coupled plasma atomic emission spectroscopy (ICP/AES) and inductively coupled plasma optical emission spectroscopy (ICP/OES) were used respectively to determine major, Minor and trace elements. The results showed that incorporation of wood waste has a strong effect on the crystallographic structure, making partially amorphous clay structure. It is found that the waste wood incorporating influence the lattice constants of the components of the clay and must be correlated to acid interaction. Chemical analysis of clay sample indicates kaolinite and SiO<sub>2</sub> as a dominant clay minerals. The results has shown some trace and heavy metal contamination for human and environment.
Highlights
With the development of the wood industry, the abundance of waste wood generate an important environment pollution
Raw Clay Sample Structure The X ray pattern of analyzed clay sample before incorporating wood waste are shown in the figure 1
The results reveals the presence of kaolinite with formula Al2H4Si2O9 and quartz α, formula SiO2 in raw clay sample
Summary
With the development of the wood industry, the abundance of waste wood generate an important environment pollution. A wide range of studies has been reported to recycle wood waste in clay materials in order to improve technological properties [1, 2, 4]. Most of the research work has been done in order to make bricks [4, 6, 8, 9], pavements [16, 17], to study the influence of wood waste on acoustic and magnetic properties [15] or mechanical resistance of bricks or geotechnical structures [6, 8, 9]. There are very few studies in the literature related to the structural properties of clay materials with wood waste incorporating. The results of the study of the structure of clays mixed with wood waste have scientific interest for understanding the physical phenomena observed in the behavior of clay based structures and to explore new technological applications. To understand the obtained results, chemical analysis should be associated with this study
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