Demonstration project of high-quality cycle and vanado-tungsten co-extraction with 40k m3/year spent denitrification catalyst passes assessment

On February 16, the task of "Key Technologies Research and Project Demonstration of Spent Denitrification Catalyst Carrier Reuse" of the national key R&D Plan of "Solid Waste Recycling" under "13th Five-Year Plan" led by Process Engineering sector successfully passed on-site inspection and index test of demonstration project organized by China Nonferrous Metals Industry Association (CNIA).

In May 2022, the task team built the world's first set of high-quality cycle and vanado-tungsten co-extraction with 40k m3/year spent denitrification catalyst demonstration line in Dingyuan, Anhui, which has realized stable operation for more than 6 months, and its technical and engineering indicators have also met assessment requirements. The recovery rate of the line's titanium, tungsten and vanadium exceeded 98%, and the impurity content in recycled products has also met the industry requirements, which means the products can replace the original titanium dioxide at 100% for preparation of new denitrification catalysts while the production cost is reduced by more than 20%, thus realizing recycling from low-end to high quality of spent denitrification catalyst.
.Asian Metal CopyrightOn February 16, the task of "Key Technologies Research and Project Demonstration of Spent Denitrification Catalyst Carrier Reuse" of the national key RD Plan of "Solid Waste Recycling" under "13th Five-Year Plan" led by Process Engineering sector successfully passed on-site inspection and index test of demonstration project organized by China Nonferrous Metals Industry Association CNIAAsian Metal Copyright