G Catalyst — R

The δ-phase was terrifyingly efficient. It could crack anything—including the steel walls of the reactor. In 2102, at the giant Port Arthur Gemini Refinery in Texas, an RG-47δ runaway event occurred. The catalyst, starved of sulfur after cleaning the feedstock too well, began extracting iron and chromium atoms from the reactor vessel's Inconel lining. It was eating the refinery from the inside . Operators only noticed when a pressure drop revealed that a 10cm-thick alloy wall had been transformed into a honeycomb of rust and volatile nickel carbonyl.

They provide a different reaction route, often involving the formation of temporary intermediate complexes. r g catalyst