Metal behavior during the low-temperature pyrolysis of chromated copper arsenate-treated wood waste

Article Abstract:

Researchers from Belgium developed a metal behavior hypothesis and a metal release kinetic model during chromated copper arsenate-treated wood pyrolysis.

Research and Development in the Physical, Engineering, and Life Sciences, Belgium, R&D NEC

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Analysis of colloidal phases in urban stormwater runoff

Article Abstract:

Colloidal materials were extracted from rain water in the Brays Bayou region of Houston, TX. Samples were tested for dissolved organic carbon, Si, Al, Fe, Cr, Cu, Mn, Zn, Ca, Mg, and Ba. Colloids accounted for 17 percent of the carbon, 32 percent of the silica, 79 percent of the Al, 85 percent of the Fe, 52 percent of the Cr, 43 percent of the Mn, and 29 percent of the Zn over the period of the storm. However, levels were not constant. During the dry period, colloids were mainly composed of silica, and the height of the storm flow. Carbon dominated the colloidal fraction and the beginning and end of the storm. Different morphologies were also observed for the colloidal material, such as crystallized phases, and amorphous phases.

United States, Waste Management and Remediation Services, Water Pollution, Pollution control industry, Metals

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