Method for modifying recycled fine powder of concrete and use thereof

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United States of America Patent

PATENT NO 11780116
APP PUB NO 20220314491A1
SERIAL NO

17365296

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Abstract

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Methods for modifying a recycled fine powder of concrete and uses thereof. A method for modifying a recycled fine powder can include: crushing a collected waste concrete block with a crusher, grinding with a ball mill, and passing through a 100-mesh sieve, to obtain a recycled fine powder with d50 of 13.5 μm; placing the obtained recycled fine powder in a dry environment at a high temperature, drying, then taking out, and cooling to room temperature; preparing tannic acid solutions with different concentrations, mixing the cooled recycled fine powder with the prepared tannic acid solutions, and continuously stirring by a glass rod.

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Patent Owner(s)

Patent OwnerAddress
ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY232001 NO 168 TAIFENG STREET SHANNAN NEW DISTRICT HUAINAN CITY ANHUI PROVINCE HUAINAN CITY ANHUI PROVINCE 232001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Zhiqiang Huainan, CN 130 1019
Shen, Wenfeng Huainan, CN 1 0
Wang, Hao Huainan, CN 906 6386
Wang, Liang Huainan, CN 656 6142
Wei, Yubiao Huainan, CN 2 0
Xu, Ying Huainan, CN 214 1814
Yang, Fan Huainan, CN 813 4627

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