● Patents and Patent Applications

6. Honaker R.Q., Werner J., Zhang W., 2020. Apparatus and method for power generation and valuable element recovery from combustion by-products. US Patent, being process (Application No: 16/773 081; Publication No: US 2020/0332393 A1)

5. Honaker R.Q., Zhang W., 2020. Method for recovering valuable elements from precombustion coal-based materials. US Patent, being process (Application No: 16/832,157; Publication No. US 2020/0308667 A1).

4. Zhang W., Honaker R.Q., 2018. Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste. US Patent, being processed (Application No. 62/185,120; Publication No. US 2019/0136344 A1).

3. Honaker R.Q., Zhang W., Werner J., 2019. Apparatus and method for power generation and valuable element recovery from combustion by-products. US Patent, being processed (Application No. 16/773,081).

2. China Patent Office, patent number CN102277206B, co-authored (2013). Coke oven gas desulfurization via adding hydrogen.

1. China Patent Office, patent number CN101912776A, co-authored (2010). Hydrogenation material for olefins in coke oven gas and preparation method thereof.