“… Fig. 1 Flowsheet of the experimental set-up including all column equipment and measuring and analysis instruments [2] , [3] , 5] . …”
Section: Experimental Design Materials and Methodsmentioning
confidence: 99%
“… The dataset can be used in future studies and analysis of flue-gas desulphurization units, and in the set-up and test of accurate models for the support of the design and the optimization of FGD units [1] , [2] , [3] . These data could be useful for researchers and engineers that are committed in the design or operation improve of large-scale absorption columns equipped with structured packing with high separation-efficiency [1] , [2] , [3] , [4] . The dataset provides new insights on the role of structured packing in the use of wet scrubber for FDG processes.…”
Section: Value Of the Datamentioning
confidence: 99%
“…The dataset can be used in future studies and analysis of flue-gas desulphurization units, and in the set-up and test of accurate models for the support of the design and the optimization of FGD units [1] , [2] , [3] .…”
Section: Value Of the Datamentioning
confidence: 99%
“…These data could be useful for researchers and engineers that are committed in the design or operation improve of large-scale absorption columns equipped with structured packing with high separation-efficiency [1] , [2] , [3] , [4] .…”
Flue-Gas Desulphurization (FGD) is a fundamental process commonly adopted for the treatment of exhausts deriving from both stationary and mobile sources. The removal of SO
2
from flue gasses can be made through different technologies and absorption offers the highest versatility for a large spectrum of applications.
The data presented in this paper derive from FGD experiments carried out in a pilot wet scrubber equipped with a structured packing (Hastelloy C-22, Mellapak 250.X). The experiments aim to determine the SO
2
removal efficiency from a simulated flue-gas in different operating conditions, similar to those observed in common wet FGD processes. Experimental data are reported in terms of gas velocity, concentration of SO
2
in the flue-gas, liquid/gas feed ratio, fluids temperature and pressure. The dataset also includes the measurements of several working parameters,
i.e.
pressure drops in the column, wash water pH, relative humidity of the outlet gas and temperatures of gas and liquid flowing out of the FGD unit.
The collection of these data could be useful in future studies and in the analysis of FGD units, also to design/improve large-scale absorption columns with structured packing, using various scrubbing liquids and in different operating conditions.
“… Fig. 1 Flowsheet of the experimental set-up including all column equipment and measuring and analysis instruments [2] , [3] , 5] . …”
Section: Experimental Design Materials and Methodsmentioning
confidence: 99%
“… The dataset can be used in future studies and analysis of flue-gas desulphurization units, and in the set-up and test of accurate models for the support of the design and the optimization of FGD units [1] , [2] , [3] . These data could be useful for researchers and engineers that are committed in the design or operation improve of large-scale absorption columns equipped with structured packing with high separation-efficiency [1] , [2] , [3] , [4] . The dataset provides new insights on the role of structured packing in the use of wet scrubber for FDG processes.…”
Section: Value Of the Datamentioning
confidence: 99%
“…The dataset can be used in future studies and analysis of flue-gas desulphurization units, and in the set-up and test of accurate models for the support of the design and the optimization of FGD units [1] , [2] , [3] .…”
Section: Value Of the Datamentioning
confidence: 99%
“…These data could be useful for researchers and engineers that are committed in the design or operation improve of large-scale absorption columns equipped with structured packing with high separation-efficiency [1] , [2] , [3] , [4] .…”
Flue-Gas Desulphurization (FGD) is a fundamental process commonly adopted for the treatment of exhausts deriving from both stationary and mobile sources. The removal of SO
2
from flue gasses can be made through different technologies and absorption offers the highest versatility for a large spectrum of applications.
The data presented in this paper derive from FGD experiments carried out in a pilot wet scrubber equipped with a structured packing (Hastelloy C-22, Mellapak 250.X). The experiments aim to determine the SO
2
removal efficiency from a simulated flue-gas in different operating conditions, similar to those observed in common wet FGD processes. Experimental data are reported in terms of gas velocity, concentration of SO
2
in the flue-gas, liquid/gas feed ratio, fluids temperature and pressure. The dataset also includes the measurements of several working parameters,
i.e.
pressure drops in the column, wash water pH, relative humidity of the outlet gas and temperatures of gas and liquid flowing out of the FGD unit.
The collection of these data could be useful in future studies and in the analysis of FGD units, also to design/improve large-scale absorption columns with structured packing, using various scrubbing liquids and in different operating conditions.
“…At present, many researchers have carried out relevant research on gas waste heat recovery through direct contact heat exchange after wet desulfurization, mainly focusing on heat exchange equipment, working medium, and absorption heat pump. The heat exchange equipment mainly includes a spray tower 5,6 and a packed tower 7,8 . The liquid phase directly contacts with the gas in the form of droplets or liquid film to complete the heat transfer process, recover the sensible heat, and condensation heat in the flue gas.…”
Summary
For coal‐fired hot water boilers, we developed a comprehensive waste heat recovery system coupled with a packed tower, industrial steam turbine, and absorption heat pump, which can directly reduce the auxiliary power consumption, realize energy cascade utilization, and waste heat recovery. The ASPEN Plus software was used to simulate the packed tower, absorption heat pump, and industrial steam turbine system. The design parameters of the system were obtained and the operation characteristics of the system under load rates of 25%, 50%, 75%, and 100% were investigated, the feasibility of steam subsystem transformation was also analyzed. Taking a 140 MW coal‐fired boiler as an example, in the range of 25%~100% load rate, the direct energy saving can reach 118 to 523 kW∙h, the waste heat recovery power is 2.7 to 11.4 MW, and the coal saving can reach 374 to 1605 kg/h, resulting in energy and resource consumption reduction effect, the system also has CO2 and pollutant emission reduction effect. The RadFrac model can be used in packed tower design, the system can work well under variable load conditions.
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