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Patent Searching and Data


Title:
CALCIUM CARBONATE-COATED HIGH-FUNCTIONAL MICROPARTICLE MANUFACTURING METHOD USING WASTE CONCRETE SLUDGE
Document Type and Number:
WIPO Patent Application WO/2019/093726
Kind Code:
A1
Abstract:
The present invention relates to a method for treating, in an environment-friendly manner, sludge and waste water generated in a process of grinding waste concrete to reproduce the same as aggregate, and reusing the treated sludge and waste water. The method can separate only microparticles from sludge comprising a cement ingredient and a sand ingredient and coat the surfaces of the microparticles with calcium carbonate by using a mineral carbonization technology, thereby manufacturing the miroparticles as a high-functional admixture to be used for cement, mortar, or the like.

Inventors:
SHIN, Hee Young (121-1405, 57 Eoeun-ro,Yuseong-gu, Daejeon, 34140, KR)
JI, Sangwoo (504-1702, 416 Noeun-ro,Yuseong-gu, Daejeon, 34094, KR)
YOO, Jong-Chan (206-611, 61 Songgang-ro 42beon-gil,Yuseong-gu, Daejeon, 34008, KR)
Application Number:
KR2018/013301
Publication Date:
May 16, 2019
Filing Date:
November 05, 2018
Export Citation:
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Assignee:
KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES (124 Gwahak-ro, Yuseong-gu, Daejeon, 34132, KR)
International Classes:
B09B3/00; B02C23/08; B09B5/00; C02F11/12
Foreign References:
KR20170114000A2017-10-13
JP2005533640A2005-11-10
KR101783829B12017-10-10
KR101037783B12011-05-27
KR20090044514A2009-05-07
KR100631034B12006-10-02
KR101896689B12018-09-07
Attorney, Agent or Firm:
LIM & JEONG PATENT LAW FIRM (No.303, 7 Yulgok-ro 2-gil,Jongno-gu, Seoul, 03143, KR)
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