The subject innovation is latex blend modified concrete (LMC: Latex Modified Concrete) white water occurring during cleaning latex chamber mounted on a mobile mixer truck for: the latex particles that are Buu on (white water water + latex) physical and liquid through a chemical treatment and separating the solid phase, in order to process the waste water; And forming the supply pipe and discharge pipe, the cover on the lower side is formed of a resin material as installed in the receiving tank subject to a predetermined height, And agitator in which the tank installation consists of a screw and a rotary shaft to a predetermined height from the inner surface Flooring, Is connected to the upper end of the agitator rotational shaft has a superior effect of providing a latex waste water purifying apparatus comprising a LMC configuration including a motor which is installed in the tank operating on an upper surface of the driving force generated by the operating switch.