De novo synthesis in iron ore sintering

2016 ◽  
Vol 60 (1/2/3/4) ◽  
pp. 111 ◽  
Author(s):  
Mengmei Zhang ◽  
Alfons Buekens
Keyword(s):  
Iron Ore ◽  
De Novo ◽  
De Novo Synthesis ◽  
Iron Ore Sintering ◽  
Ore Sintering

De novo synthesis in iron ore sintering

2016 ◽  
Vol 60 (1/2/3/4) ◽  
pp. 111
Author(s):  
Alfons Buekens ◽  
Mengmei Zhang
Keyword(s):  
Iron Ore ◽  
De Novo ◽  
De Novo Synthesis ◽  
Iron Ore Sintering ◽  
Ore Sintering

De novo formation characteristics of dioxins in the dry zone of an iron ore sintering bed

Chemosphere ◽  
2004 ◽  
Vol 54 (1) ◽  
pp. 97-104 ◽  
Author(s):  
K Suzuki ◽  
E Kasai ◽  
T Aono ◽  
H Yamazaki ◽  
K Kawamoto
Keyword(s):  
Iron Ore ◽  
De Novo ◽  
Iron Ore Sintering ◽  
Dry Zone ◽  
Ore Sintering

scholarly journals Examination of PCDD/F Formation in Thermal Systems Using Simple Mathematical Models

2021 ◽  
Vol 02 (02) ◽  
pp. 1-1
Author(s):  
Brian R. Stanmore ◽  
Keyword(s):  
Iron Ore ◽  
De Novo ◽  
Solid Phase ◽  
Pilot Scale ◽  
Temperature History ◽  
Fluidised Bed ◽  
Thermal Systems ◽  
Iron Ore Sintering ◽  
Dioxins And Furans ◽  
Ore Sintering

A set of empirical models which accounts for the formation of gas phase polychlorinated dibenzo-p-dioxins and furans (PCDD and PCDF), and solid phase PCDD/F by the de novo mechanism is described.In each case, competing formation and destruction reactions are considered to operate.The effect of the time-temperature history on their formation is then examined.At high temperatures, steady-state is reached in fractions of a second, resulting in the observed low product concentrations.Rapid cooling as found in furnaces produces higher PCDD/F nett formation rates than slower cooling over the same temperature range, but with less overall yield.In addition, a cooling process will result in more PCDD/F production than heating at the same rate. Thus the conventionally-regarded temperature “windows” for formation are misleading, as in practical conditions PCDD/F are produced at higher temperatures.Simulations carried out of a pilot scale municipal solid waste (MSW)incinerator, a commercial fluidised bed boiler burning wood as a fuel, and of the laboratory scale thermal “annealing” of particulates taken from iron ore sintering off-gases illustrate the effects.There is sufficient promise in the approach to suggest that better characterisation of particulates will lead to acceptable predictions.

Synthesis Pathway of Dioxins in Iron Ore Sintering Process

2011 ◽  
Vol 194-196 ◽  
pp. 71-74 ◽  
Author(s):  
Hong Ming Long ◽  
Jia Xin Li ◽  
Ping Wang ◽  
Ru Fei Wei
Keyword(s):  
Iron Ore ◽  
De Novo ◽  
Order Kinetic ◽  
Phase Reaction ◽  
Sintering Process ◽  
First Order ◽  
Iron Ore Sintering ◽  
Order Kinetic Model ◽  
Iron Ore Sintering Process ◽  
Ore Sintering

Dioxins are a kind of extremely toxic and Persistent Organic Pollutants (POPs). Sintering process has become one of the most dominant unintentional discharge sources. The dioxins synthesis pathway and mechanism being described, related research indicate that: in the low temperature sector (200-500ºС), chlorobenzene and chlorphenol are the representation precursors of dioxin’s precursor catalytic reaction, the dioxins formed in this temperature sector cased by the “de novo” under catalyst (like Cu2+) on the surface of smoke particles; high-temperature gas phase reaction mechanism of dioxins satisfied the first-order kinetic model, the formation of gas related with suitable precursors, it is the result of chlorinated precursors’ pyrolytic rearrangement like chlorobenzene and chlorophenol in the temperature sector 500-800ºС in the gas.

Complex Additives on the Basis of Red Mud for Intensification of Iron-Ore Sintering and Pelletizing

2015 ◽  
pp. 107-111
Author(s):  
Gennadiy Podgorodetskiy ◽  
Vladislav Gorbunov ◽  
Andrey Panov ◽  
Sergey Petrov ◽  
Sergey Gorbachev
Keyword(s):  
Red Mud ◽  
Iron Ore ◽  
Iron Ore Sintering ◽  
Ore Sintering

A novel performance assessment method of the carbon efficiency for iron ore sintering process

2021 ◽  
Vol 106 ◽  
pp. 44-53
Author(s):  
Kailong Zhou ◽  
Xin Chen ◽  
Min Wu ◽  
Yosuke Nakanishi ◽  
Weihua Cao ◽  
...  
Keyword(s):  
Performance Assessment ◽  
Iron Ore ◽  
Assessment Method ◽  
Sintering Process ◽  
Iron Ore Sintering ◽  
Carbon Efficiency ◽  
Iron Ore Sintering Process ◽  
Ore Sintering

Biomass for iron ore sintering

2010 ◽  
Vol 23 (14) ◽  
pp. 1139-1145 ◽  
Author(s):  
Mohammad Zandi ◽  
Maria Martinez-Pacheco ◽  
Trevor A.T. Fray
Keyword(s):  
Iron Ore ◽  
Iron Ore Sintering ◽  
Ore Sintering
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