Process of preparing hard grain with waste paper-making stuffing

The present invention relates to process of preparing hard grain with waste paper-making stuffing, and the hard grain is used in replacing quartzite for building. The process includes the following steps: 1. compounding material containing calcium carbonate not lower than 60 wt% with the waste paper...

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Bibliographische Detailangaben
1. Verfasser:	GUOHE ZHU
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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