Solid wastes recycling

Economical factors, such as disposal costs, the availability of conventional materials, and transportation costs, are critical considerations. As with any material, transportation costs are generally the highest cost factor in recycling solid waste. The most economically sustainable options for recycling foundry solid waste will generally match the volume and characteristics of the materials with nearby businesses and construction projects. Small foundries may not generate enough material on a weekly or monthly basis to satisfy the need for construction sands. In this case, it may be necessary to collect similar wastestreams from multiple sources or to partially substitute for conventional materials in order to meet volume requirements. 

Agricultural waste. To prevent overregulation of farms and promote waste recycling, solid wastes generated by crop or animal farming are excluded from the definition of hazardous waste provided that the wastes are returned to the ground as fertilizers or soil conditioners. Examples of such wastes are crop residues and manures. 

Toxic wastes, collected from different multimedia environments, can harm living systems. The contaminants in these wastes can be organic or inorganic [1, 2]. Organic contaminants (like PCB, Dioxin, see the chapter on Forensic Investigation of Leachates from Recycled Solid Wastes ) actually consist of harmless atoms arranged into noxious molecules. The inorganic contaminants contain toxic elements, such as lead, mercury, arsenic, and cadmium [ 16,17,41 ]. 

Kassim TA, Simoneit BRT, Williamson KJ (2005) Forensic investigation of leachates from recycled solid wastes An environmental analysis approach. In Kassim TA, Williamson KJ (eds) Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters Volume 3 Concepts, Methodology and Chemical Analysis. Handbook of Environmental Chemistry, Water Pollution Series, Vol 5/Part F. Springer, Berlin Heidelberg New York 321-400... 

Use good environmental practices to reduce or recycle solid waste. 

Recycling Solid Wastes as Road Construction Materials... 

Forensic Investigation of Leachates from Recycled Solid Wastes An Environmental Analysis Approach... 

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