کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5749156 1619146 2017 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mercury distribution characteristics in primary manganese smelting plants
ترجمه فارسی عنوان
خصوصیات توزیع جیوه در گیاهان ذوب اولیه منگنز
کلمات کلیدی
جیوه، توزیع، کارخانه ذوب منگنز، تعادل توده، انتشار ملی،
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست شیمی زیست محیطی
چکیده انگلیسی


- The mass balance study by on-site measurement from primary manganese smelting plants was made at first time in the world.
- Hg distribution and main input and release pathways of Hg from primary manganese smelting plants could be found as the first time.
- Gas temperature in bag filter affects Hg behavior and speciation changes in APCDs.
- National inventory of Hg emssion has been updated with new data.

The mercury (Hg) distribution characteristics were investigated in three primary manganese smelting plants in Korea for the assessment of anthropogenic Hg released. Input and output materials were sampled from each process, and Hg concentrations in the samples were analyzed. Among the input materials, the most mercury was found in the manganese ore (83.1-99.7%) and mercury was mainly released through fly ash or off gas, depending on the condition of off gas cleaning system. As off gas temperature decreases, proportion and concentration of emitted gaseous elemental mercury (Hg0) in off gas decreases. Based on mass balance study from these three plants and national manganese production data, the total amount of mercury released from those Korean plants was estimated to 644 kg/yr. About half of it was emitted into the air while the rest was released to waste as fly ash. With the results of this investigation, national inventory for Hg emission and release could be updated for the response to Minamata Convention on Mercury.

1. Lack of data on mercury (Hg) distribution in manganese smelters. 2. Mass distribution of Hg released from 3 plants (as normalized values) were made as follows by measurements. 3. Information of distribution of Hg in Manganese smelters would be used for emission in to air and releases to other streams for the nation and globe in UNEP mercury report.148

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Environmental Pollution - Volume 227, August 2017, Pages 357-363
نویسندگان
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