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| Number | Title | Issue Date |
| 7169204 | Sewage sludge recycling with a pipe cross-reactor An improved process for enhancing the plant nutrient value of relatively low analysis organic waste material (e.g., sewage sludge) involves treating the waste material with an acid and base in a pipe-cross reactor. The process more particularly involves mixing the w... | 01/30/2007 |
| 7128880 | Organic recycling with a pipe-cross or tubular reactor The invention is directed to a process for enhancing the plant nutrient value of relatively low analysis organic waste material (e.g. sewage sludge) involves treating the waste material with an acid and base in a pipe-cross reactor or tubular to form a melt; sprayin... | 10/31/2006 |
