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Dechlorination of auto shredder residues [An article from: Journal of Hazardous Materials]
Book Details
Author(s)H.S. Tai, C.M. Liu, Y.J. Wu
PublisherElsevier
ISBN / ASINB000PDYJPO
ISBN-13978B000PDYJP2
MarketplaceFrance 🇫🇷
Description
This digital document is a journal article from Journal of Hazardous Materials, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Dechlorination of ASR (auto shredder residual) wastes has been studied in the present work. ASR was predechlorinated with Ca(OH)"2 extraction as well as dechlorinated with Ca(OH)"2 during incineration or pyrolysis. Experimentally, pre-dechlorination of ASR via extraction of Cl with a Ca(OH)"2 solution (pH 12.5) may reduce Cl contain in the ASR by 15%. Extraction of Cl at elevated temperatures (such as 373K), interestingly, led to a further reduction of Cl in the ASR to 33.5%. A small amount of HCl and light hydrocarbons (C"1-C"5) were yielded during pyrolysis of the ASR in the presence of Ca(OH)"2 at 773K. On the contrary, 75-85% of Cl may be mineralized (CaCl"2) with Ca(OH)"2 (or CaO) during incineration at 1100K.
Description:
Dechlorination of ASR (auto shredder residual) wastes has been studied in the present work. ASR was predechlorinated with Ca(OH)"2 extraction as well as dechlorinated with Ca(OH)"2 during incineration or pyrolysis. Experimentally, pre-dechlorination of ASR via extraction of Cl with a Ca(OH)"2 solution (pH 12.5) may reduce Cl contain in the ASR by 15%. Extraction of Cl at elevated temperatures (such as 373K), interestingly, led to a further reduction of Cl in the ASR to 33.5%. A small amount of HCl and light hydrocarbons (C"1-C"5) were yielded during pyrolysis of the ASR in the presence of Ca(OH)"2 at 773K. On the contrary, 75-85% of Cl may be mineralized (CaCl"2) with Ca(OH)"2 (or CaO) during incineration at 1100K.
