| 摘要 |
The present invention provides an aid for dewatering lime mud, said aid being capable of efficiently dewatering a muddy substance containing calcium carbonate, and containing a polyoxyethylene polyoxypropylene alkyl ether represented by the formula R1O[CH2CH(CH3)O]m[CH2CH2O]nH (1) (R1 represents a linear and/or branched C10-18 alkyl, m represents an integer of 1 to 10, and n represents an integer of 1 to 10.) |
