Highly efficient nanosized Mn and Fe codoped ceria-based solid solutions for elemental mercury removal at low flue gas temperatures

2015 ◽  
Vol 5 (5) ◽  
pp. 2913-2924 ◽  
Author(s):  
Deshetti Jampaiah ◽  
Samuel J. Ippolito ◽  
Ylias M. Sabri ◽  
Benjaram M. Reddy ◽  
Suresh K. Bhargava
Keyword(s):  
Solid Solutions ◽  
Flue Gas ◽  
Elemental Mercury ◽  
Mercury Removal ◽  
Highly Efficient

Mn and Fe codoped ceria-based solid solutions are effective catalysts for Hg0 removal at low flue gas temperatures.

scholarly journals Low-Cost Organic Adsorbents for Elemental Mercury Removal from Lignite Flue Gas

Energies ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 2174
Author(s):  
Marta Marczak-Grzesik ◽  
Stanisław Budzyń ◽  
Barbara Tora ◽  
Szymon Szufa ◽  
Krzysztof Kogut ◽  
...  
Keyword(s):  
Flue Gas ◽  
Low Cost ◽  
Elemental Mercury ◽  
Mercury Content ◽  
Flue Gases ◽  
Mercury Removal ◽  
Gas Purification ◽  
Gas Temperature ◽  
Corn Straw ◽  
Flue Gas Purification

The research presented by the authors in this paper focused on understanding the behavior of mercury during coal combustion and flue gas purification operations. The goal was to determine the flue gas temperature on the mercury emissions limits for the combustion of lignites in the energy sector. The authors examined the process of sorption of mercury from flue gases using fine-grained organic materials. The main objectives of this study were to recommend a low-cost organic adsorbent such as coke dust (CD), corn straw char (CS-400), brominated corn straw char (CS-400-Br), rubber char (RC-600) or granulated rubber char (GRC-600) to efficiently substitute expensive dust-sized activated carbon. The study covered combustion of lignite from a Polish field. The experiment was conducted at temperatures reflecting conditions inside a flue gas purification installation. One of the tested sorbents—tire-derived rubber char that was obtained by pyrolysis—exhibited good potential for Hg0 into Hg2+ oxidation, resulting in enhanced mercury removal from the flue. The char characterization increased elevated bromine content (mercury oxidizing agent) in comparison to the other selected adsorbents. This paper presents the results of laboratory tests of mercury sorption from the flue gases at temperatures of 95, 125, 155 and 185 °C. The average mercury content in Polish lignite was 465 μg·kg−1. The concentration of mercury in flue gases emitted into the atmosphere was 17.8 µg·m−3. The study analyzed five low-cost sorbents with the average achieved efficiency of mercury removal from 18.3% to 96.1% for lignite combustion depending on the flue gas temperature.

Selenium ligands doped ZnS for highly efficient immobilization of elemental mercury from coal combustion flue gas

2021 ◽  
Vol 420 ◽  
pp. 129843
Author(s):  
Zifeng Luo ◽  
Ling You ◽  
Jiang Wu ◽  
Yubao Song ◽  
Siyuan Ren ◽  
...  
Keyword(s):  
Flue Gas ◽  
Coal Combustion ◽  
Elemental Mercury ◽  
Highly Efficient

Design of O2/SO2 dual-doped porous carbon as superior sorbent for elemental mercury removal from flue gas

2019 ◽  
Vol 366 ◽  
pp. 321-328 ◽  
Author(s):  
Fenghua Shen ◽  
Jing Liu ◽  
Dawei Wu ◽  
Yuchen Dong ◽  
Feng Liu ◽  
...  
Keyword(s):  
Flue Gas ◽  
Porous Carbon ◽  
Elemental Mercury ◽  
Mercury Removal

Nanosized Zn–In Spinel-Type Sorbents for Elemental Mercury Removal from Flue Gas

2020 ◽  
Vol 34 (10) ◽  
pp. 12853-12859
Author(s):  
Yingni Yu ◽  
Yingju Yang ◽  
Jing Liu ◽  
Zhen Wang ◽  
Junyan Ding
Keyword(s):  
Flue Gas ◽  
Elemental Mercury ◽  
Mercury Removal ◽  
Spinel Type

Cost-effective sulfurized sorbents derived from one-step pyrolysis of wood and scrap tire for elemental mercury removal from flue gas

Fuel ◽  
2021 ◽  
Vol 285 ◽  
pp. 119221
Author(s):  
Yang Xu ◽  
Guangqian Luo ◽  
Qingzhu Zhang ◽  
Zehua Li ◽  
Shibo Zhang ◽  
...  
Keyword(s):  
Flue Gas ◽  
Elemental Mercury ◽  
Cost Effective ◽  
Mercury Removal ◽  
Scrap Tire ◽  
One Step

Design of MnO2/CeO2-MnO2 hierarchical binary oxides for elemental mercury removal from coal-fired flue gas

2017 ◽  
Vol 333 ◽  
pp. 186-193 ◽  
Author(s):  
Yongpeng Ma ◽  
Bailong Mu ◽  
Dongli Yuan ◽  
Hongzhong Zhang ◽  
Haomiao Xu
Keyword(s):  
Flue Gas ◽  
Elemental Mercury ◽  
Mercury Removal ◽  
Binary Oxides

Surface modification of fly ash by non-thermal air plasma for elemental mercury removal from coal-fired flue gas

2019 ◽  
pp. 1-12 ◽  
Author(s):  
Mengting Shi ◽  
Guangqian Luo ◽  
Hailu Zhu ◽  
Renjie Zou ◽  
Jingyuan Hu ◽  
...  
Keyword(s):  
Surface Modification ◽  
Fly Ash ◽  
Flue Gas ◽  
Elemental Mercury ◽  
Mercury Removal ◽  
Air Plasma
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