国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B024/12（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Treating waste concrete slurry useful in concrete, comprises e.g. separating collected concrete waste slurry from sand and gravel via sedimentation, filtering and screening, recycling separated sand and stone to raw material yard for concrete production, adding slump-preserving blender, and stirring.

YANG Z, QIN X, ZHENG W, FU Q, ZHANG Z

Preparing efficient and environmentally friendly steel slag composite activator, comprises uniformly mixing polyol amine, polyol, sodium acetate, graphene, and dihydrate gypsum at room temperature, and mechanically stirring to obtain steel slag composite activator.

YANG C, LIU Y, JIAN X, WANG J, MU C, XING X, YANG X, YIN L