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How to Identify Catalyst Deactivation?

Catalyst deactivation can be identified through several methods:
Activity Testing: Measuring the catalytic activity over time to detect any decline.
Characterization Techniques: Methods such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and temperature-programmed desorption (TPD) can reveal structural and surface changes.
Chemical Analysis: Techniques like inductively coupled plasma mass spectrometry (ICP-MS) can detect poisoning elements.

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