The Research on Anti-Nickel Contamination Mechanism and Performance for Boron-Modified FCC Catalyst
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of FCC Catalysts
2.3. Characterizations and Evaluations
3. Results
3.1. Analysis of Anti-Nickel Contamination Mechanism for Boron-Modified FCC Catalyst
3.1.1. The Enhancing of Nickel-Capacity for FCC Catalyst by Boron Modification
3.1.2. The Promotion of Nickel-Passivation Ability for FCC Catalysts by Boron Modification
3.2. Heavy Oil Catalytic Cracking Performance of Nickel-Contaminated FCC Catalysts
4. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Items | Values |
---|---|
Molecular weight/(g/mol) | 374 |
Viscosity (100 °C)/(mm2/s) | 12.27 |
Carbon residue/(%) | 4.17 |
Metals/(μg/g) | |
Fe | 10.22 |
Ni | 9.57 |
Ca | 18.11 |
Cu | 0.87 |
V | 10.09 |
Pb | 0.06 |
Na | 16 |
Hydrocarbons/(%) | |
Saturate | 68.9 |
Aromatic | 21.7 |
Resin | 9.4 |
Samples | Crystallinity/% | Acid Site Quantities/μmol·g−1 | |
---|---|---|---|
Total Acid Sites | Strong Acid Sites | ||
REUSY | 67 | 291.5 | 44.6 |
B-Y | 64 | 244.2 | 32.1 |
Samples | Acid Site Quantities/μmol·g−1 | |
---|---|---|
Total Acid Sites | Strong Acid Sites | |
C-Cat | 223.6 | 29.4 |
BM-Cat | 196.9 | 21.8 |
Yields | C-Cat | BM-Cat | Δ |
---|---|---|---|
Dry gas/% | 3.04 | 2.85 | −0.19 |
LPG/% | 21.73 | 20.72 | −1.01 |
Gasoline/% | 50.07 | 51.34 | +1.27 |
Diesel/% | 11.80 | 12.51 | +0.71 |
Heavy oil/% | 5.38 | 6.03 | +0.65 |
Coke/% | 7.98 | 6.55 | −1.43 |
Total liquid/% | 83.60 | 84.57 | +0.97 |
Light/% | 61.87 | 63.85 | +1.98 |
Yields | C-Cat | BM-Cat | Δ |
---|---|---|---|
Dry gas/% | 3.49 | 2.72 | −0.77 |
LPG/% | 20.93 | 19.76 | −1.17 |
Gasoline/% | 48.38 | 50.15 | +1.77 |
Diesel/% | 11.96 | 13.44 | +1.48 |
Heavy oil/% | 5.84 | 6.62 | +0.78 |
Coke/% | 9.40 | 7.31 | −2.09 |
Total liquid/% | 81.27 | 83.35 | +2.08 |
Light/% | 60.34 | 63.59 | +3.25 |
H2/CH4 | 0.458 | 0.396 | −13.53% |
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Yuan, C.; Zhou, L.; Chen, Q.; Su, C.; Li, Z.; Ju, G. The Research on Anti-Nickel Contamination Mechanism and Performance for Boron-Modified FCC Catalyst. Materials 2022, 15, 7220. https://doi.org/10.3390/ma15207220
Yuan C, Zhou L, Chen Q, Su C, Li Z, Ju G. The Research on Anti-Nickel Contamination Mechanism and Performance for Boron-Modified FCC Catalyst. Materials. 2022; 15(20):7220. https://doi.org/10.3390/ma15207220
Chicago/Turabian StyleYuan, Chengyuan, Lei Zhou, Qiang Chen, Chengzhuang Su, Zhongfu Li, and Guannan Ju. 2022. "The Research on Anti-Nickel Contamination Mechanism and Performance for Boron-Modified FCC Catalyst" Materials 15, no. 20: 7220. https://doi.org/10.3390/ma15207220