Which outcome results when a molecular sieve is heated above its regeneration temperature in a solvent recovery system?

💡 Explanation

When the molecular sieve surpasses regeneration temperature, exothermic runaway thermal decomposition can occur because the adsorbed solvent decomposes rapidly releasing heat generating further temperature increases. Therefore runaway thermal decomposition results, rather than increased capacity, reduced pore size, or selective adsorption which require intact sieve structure.

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