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Patent Searching and Data


Title:
AGENT FOR REMOVING ACIDIC MATERIALS AND HEAVY METALS AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2016/182365
Kind Code:
A1
Abstract:
The present invention relates to an agent for removing acidic materials and heavy metals and a method for preparing the same and, more specifically, to an agent for removing acidic materials and heavy metals and a method for preparing the same, wherein the method comprises the steps of: pulverizing minerals containing 15-25 wt% of SiO2 and 6-10 wt% of Al2O3 to 100 μm or less; mixing 2-5 parts by weight of water on the basis of 1 part by weight of the pulverized material; adding 10-20 parts by weight of acid on the basis of 100 parts by weight of the mixture, followed by activation with stirring at 60-90°C for 2-24 hours; mixing 50-70 parts by weight of CaO and 4-7 parts by weight of MgO on the basis of 100 parts by weight of a solid of the activated mixture, and mixing 2-5 parts by weight of water on the basis of 1 part by weight of CaO and MgO, followed by aging with stirring at 60-90°C for 6 hours or longer; centrifuging the aged mixture to separate a solid, and then mixing 5-8 parts by weight of a salt of SO4 2-, SO3 2-, S2-, PO3 2-, or PO4 3- on the basis of 100 parts by weight of the separated solid; and drying and pulverizing the solid mixed with the salt, so that the agent for removing acidic materials and heavy metals has a significantly improved specific surface area compared with the minerals, which are raw materials, thereby retaining excellent adsorption power to acidic materials and heavy metals, and is not influenced by the temperature change, thereby maintaining the adsorption power to acidic materials and heavy metals even under a severe environment of high temperatures.

Inventors:
KIM YOUN-SOO (KR)
Application Number:
PCT/KR2016/005006
Publication Date:
November 17, 2016
Filing Date:
May 12, 2016
Export Citation:
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Assignee:
YESOL LAB CO LTD (KR)
International Classes:
B01J20/32; B01J20/28
Foreign References:
KR20140039359A2014-04-02
JPH10109014A1998-04-28
JP4180840B22008-11-12
KR20140081952A2014-07-02
KR20140062569A2014-05-26
Attorney, Agent or Firm:
IPUS PATENT & LAW FIRM (KR)
특허법인 아이퍼스 (KR)
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