Catalytic hydrogenation can selectively destabilize and detoxify specific contaminants in water. Herein, to explore safer and more efficient hydrogen sources, hydrogen rich balls (HRBs) were researched and applied for hydrogenating p-chlorophenol and Cr(VI) over Pd/C catalyst. The results showed that HRBs can realize the sustained release of H₂ by replacing the hydrogen in water, and generate the refined (micro/nano-sized) H₂ bubble, which effectively improves the adsorption and activation effectively of H₂ molecules on Pd/C catalyst, and the hydrogen atoms utilization efficiency during p-chlorophenol hydrodechlorination is as high as 3.5 %. Continuous flow experiments showed that rapid removal of p-chlorophenol with different concentrations could be achieved by adjusting the flow rate. Moreover, the high-toxic Cr(VI) was successfully reduced to the low-toxic Cr(III) in an appropriate pH range. This research is of far-reaching significance for realizing the detoxification of environmental pollutants and promoting the development of hydrogen economy.

催化加氢可以选择性地使水中的特定污染物不稳定并解毒。在此，为了探索更安全、更高效的氢源，研究并应用富氢球（HRBs）在 Pd/C 催化剂上加氢对氯苯酚和 Cr(VI)。_{结果表明，HRBs可以通过置换水中的氢来实现H 2}的缓释，并产生精细的（微/纳米级）H ₂气泡，有效地提高了H ₂分子对Pd/的吸附和活化。 C催化剂，对氯苯酚加氢脱氯时的氢原子利用效率高达3.5%。连续流动实验表明，快速去除通过调节流速可以得到不同浓度的对氯苯酚。此外，在适当的 pH 值范围内，高毒的 Cr(VI) 被成功地还原为低毒的 Cr(III)。该研究对于实现环境污染物的无害化、促进氢经济的发展具有深远的意义。