Other — Facile design of highly effective Fe-modified bimetallic Fex–Ni1−x-MOFs catalysts with rodlike structures for low-temperature NO reduction by CO

6 measurement groups · 17 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Fe0.33-Ni0.67-MOFs · Powder

500 ppm NO, 1000 ppm CO, Ar balance; temperature-programmed 100-450 C.

Atmosphere: NO/CO/Ar
Geometry: U-shaped quartz fixed-bed reactor
Context: Best mixed-metal target sample compared with Ni-MOF and Fe-MOF controls.
Measurement source: 9917 · Catalytic reduction of NO by CO · Figure 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
N2O yield above 225 CMarked as a best value within this paper	zero N2O yield above 225 C	—	—	Text Exact Reported	9917 · Catalytic reduction of NO by CO · Figure 1b
NOx conversion at low temperatureMarked as a best value within this paper	100% at 230 C	—	—	Text Rounded Reported	9914 · Abstract

Fex-Ni1-x-MOF powder catalyst series · Powder

200 mg catalyst, 20-40 mesh; 500 ppm NO, 1000 ppm CO, Ar balance; 100-450 C at 10 C/min; total flow 100 mL/min; GHSV about 30000 h^-1.

Atmosphere: NO/CO/Ar simulated flue gas
Geometry: U-shaped quartz fixed-bed reactor
Context: Pristine monometallic and mixed-metal MOF powder catalysts compared.
Measurement source: 9916-9917 · Catalytic activity measurement · Figure 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NOx conversion range for x = 0.14-0.33 bimetallic samples	>95% from 250 to 450 C	—	lower bound	Text Range	9917 · Catalytic reduction of NO by CO · Figure 1a
Fe-MOF NO conversion above 300 C	approximately 50%	—	—	Text Approximate	9917 · Catalytic reduction of NO by CO · Figure 1a
Ni-MOF NO conversion above 300 C	approximately 70%	—	—	Text Approximate	9917 · Catalytic reduction of NO by CO · Figure 1a

Fe0.33-Ni0.67-MOFs · Powder

Stability at 250 C for 24 h; repeated cycles from 100 to 400 C five times.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NO conversion after repeated temperature cycles at 230 C	over 85%	—	lower bound	Text Range	9918-9919 · Catalytic reduction of NO by CO · Figure 3b
NO conversion after 24 h stability test	98%	—	—	Text Rounded Reported	9918 · Catalytic reduction of NO by CO · Figure 3a

Fex-Ni1-x-MOF powder catalyst series · Powder

50-700 C in flowing Ar atmosphere.

Atmosphere: Ar
Context: Fex-Ni1-x-MOF catalyst series.
Measurement source: 9916, 9921 · Characterization; Catalyst characterizations · Figure 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TGA first-stage weight loss below 160 C	about 6-8%	—	range 6-8%	Text Range	9921 · Catalyst characterizations · Figure 7
TGA second-stage weight loss from 160 to 450 C	about 10-15%	—	range 10-15%	Text Range	9921 · Catalyst characterizations · Figure 7
TGA final weight loss above 450 C	23-30%	—	range 23-30%	Text Range	9921 · Catalyst characterizations · Figure 7

Fe0.33-Ni0.67-MOFs · Powder

250 C; 500 ppm NO, 1000 ppm CO; 5 vol% H2O and/or 200 ppm SO2 added then cut off.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NOx conversion without H2O and SO2	98-100%	—	range 98-100%	Text Range	9918 · Catalytic reduction of NO by CO · Figure 2
NOx conversion with H2O plus SO2	80%	—	—	Text Rounded Reported	9918 · Catalytic reduction of NO by CO · Figure 2
NOx conversion with H2O	90%	—	—	Text Rounded Reported	9918 · Catalytic reduction of NO by CO · Figure 2
Recovered NOx conversion after terminating H2O/SO2	96%, 92%, and 90% after H2O, SO2, and H2O + SO2 cut-off	—	three condition-specific values	Text Rounded Reported	9918 · Catalytic reduction of NO by CO · Figure 2
NOx conversion with SO2	86%	—	—	Text Rounded Reported	9918 · Catalytic reduction of NO by CO · Figure 2

Ni-MOFs · Powder

250 C; 500 ppm NO, 1000 ppm CO; 5 vol% H2O and/or 200 ppm SO2 added.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-MOF NOx conversion without H2O and SO2	69-72%	—	range 69-72%	Text Range	9918 · Catalytic reduction of NO by CO · Figure 2
Ni-MOF NOx conversion with H2O, SO2, and H2O + SO2	65%, 60%, and 50%, respectively	—	three condition-specific values	Text Rounded Reported	9918 · Catalytic reduction of NO by CO · Figure 2