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Citation: ZONG Qiu-Yun, LI Xin, GUO Jian-Xue, ZHANG Xin-Tang, SU Xu. Properties of Ti-Pomoted Sulfur-tolerant CO Shift Catalyst[J]. Chinese Journal of Applied Chemistry, ;2001, 18(8): 655-658. shu

Properties of Ti-Pomoted Sulfur-tolerant CO Shift Catalyst

1.
Research Institute of QILU Petrochemical Co, Zibo 255400

Received Date: 8 November 2000
Available Online: 21 March 2001

The Ti-promoted sulfur-tolerant water-gas-shift catalyst has been studied in micro-reactor system as function of activity and anti hydration by using TPR、SEM、XRD、IR techniques. The results show that an appropriate amount of TiO₂ in the carrier of catalyst can transform much more number of the inactive Mo⁶⁺ in the catalyst into the active ones such as Mo⁵⁺ and Mo⁴⁺, obviously increasing the catalytic activity. Meanwhile, the strength of L-acid absorption sites on the surface of the Al₂O₃ can be effectively weakened, so that the carrier's ability to react with water is weakened, and the anti-hydration of catalyst can be sharply enhanced.
- sulfur-tolerant CO shift catalyst,
- Ti,
- activity,
- anti hydration
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