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The fate of sulfur during rapid pyrolysis of scrap tires at temperatures from 673 to 1073K was investigated. Sulfur was predominant in the forms of thiophenic and inorganic sulfides in raw scrap tires. In the pyrolysis process, sulfur in organic forms was unstable and decomposed, leading to the sulfur release into tar and gases. At 673 and 773K, a considerable amount of sulfur was distributed in tar...
Wastes generated by animal agriculture have complex matrices and present a significant challenge for achieving accurate measurements of estrogens. The objective of this study was to compare two different extraction methods and two different biochemical and biological estrogen assays on two dairy manure matrices. The two extraction methods studied in this research were a two-step base-toluene extraction...
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