Driven by global carbon neutrality goals, platinum catalysts are emerging as the "invisible champions" propelling green technology and sustainable development. Their core strengths—efficient, precise, and recyclable catalysis—significantly reduce energy consumption and emissions in industrial processes. For instance, in automotive exhaust purification, platinum-based three-way catalysts convert carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx) into carbon dioxide (CO2), nitrogen (N2), and water (H2O), enabling gasoline vehicles to meet China VI emission standards. While diesel exhaust treatment relies more on platinum-palladium-rhodium ternary alloys, platinum’s substitutability in gasoline catalysts is growing—between 2000-2003, price-driven substitution replaced over 1 million ounces of palladium annually, a trend now accelerating due to technological advancements.
In volatile organic compound (VOC)治理 (treatment), platinum catalysts oxidize harmful industrial emissions like benzene and toluene into harmless CO2 and H2O, achieving over 99% treatment efficiency. Their interchangeability with palladium offers cost flexibility: when palladium prices surge, enterprises can swiftly switch to platinum catalysts, maintaining治理 (treatment) efficacy while reducing operational costs.
Platinum catalysts are also revolutionizing green energy. In the hydrogen value chain, a single-atom platinum catalyst developed by Swinburne University (Australia) and Shaanxi Normal University (China) extracts photo-generated electrons to prevent recombination, tripling seawater hydrogen production efficiency and providing a low-cost solution for renewable energy storage. Additionally, Japan’s Tanaka Precious Metals and the National Institutes for Quantum and Radiological Science and Technology developed a "hydrophobic" platinum-based catalyst that enables controlled hydrogen oxidation at room temperature without heating equipment, suitable for nuclear fusion facilities and outdoor emergency scenarios, drastically cutting energy use.
Sustainability is further enhanced by platinum recycling. Spent catalysts recover over 98% of platinum via acid dissolution and electrolysis, with regenerated catalysts matching new product performance. China’s "armored catalyst," using graphene encapsulation, reduces platinum loading to 1.2 micrograms/cm² while maintaining 1,000-hour stability without degradation, significantly curbing resource consumption.
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