کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4402662 1618628 2012 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Water-Washing of Iron-Ore Sintering Gas Cleaning Residue for Beneficial Reutilization as Secondary Construction Material
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست بوم شناسی
پیش نمایش صفحه اول مقاله
Water-Washing of Iron-Ore Sintering Gas Cleaning Residue for Beneficial Reutilization as Secondary Construction Material
چکیده انگلیسی

Iron-ore sintering gas cleaning residue is an emerging type of hazardous waste due to its enrichment of heavy metals. Beneficial reutilization as secondary construction material is supposed to be a possible solution, if volatile components, mainly K and Na chlorides could be removed to acceptable level. This study investigated the effects of water-washing process on the removal of alkali chlorides, as well as heavy metal. The water-washing condition was optimized as L/S=10, t=10∼30 min. 95% of Cl and 90% of K and Na could be removed, meanwhile most of the eluted heavy metals were satisfied to the relevant discharge standard. The washed residue could be reutilized in cement production as alternative raw calcareous material or retarder.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Procedia Environmental Sciences - Volume 16, 2012, Pages 244-252