| abstract |
(57) [Summary] [PROBLEMS] To stably treat a wide variety of wastes without affecting the kiln operation and the quality of cement clinker. SOLUTION: A plurality of kinds of wastes (sludge DA, DB, liquid waste W) having different quality and properties are mixed at a predetermined ratio, It is transported using the slurry pump 3 and the transport pipe 4, and is fed into the cement kiln 10 as at least a part of the raw material fuel for cement to produce a cement clinker. |