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1. (WO2018099367) CERAMSITE PRODUCED BY USING RIVER, LAKE, AND SEA SLUDGE AND SHELL POWDER AS RAW MATERIALS, AND PREPARATION METHOD THEREFOR

Pub. No.:    WO/2018/099367    International Application No.:    PCT/CN2017/113345
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Wed Nov 29 00:59:59 CET 2017
IPC: C04B 33/132
C02F 3/00
Applicants: QINGDAO YI ECO-ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD
青岛易生态环保科技有限公司
Inventors: LIN, Rongliang
林荣亮
Title: CERAMSITE PRODUCED BY USING RIVER, LAKE, AND SEA SLUDGE AND SHELL POWDER AS RAW MATERIALS, AND PREPARATION METHOD THEREFOR
Abstract:
A ceramsite produced by using river, lake, and sea sludge and shell powder as raw materials, and a preparation method therefor, the ceramsite being made from the following raw materials in parts by weight: shell powder 15-50, kaolin 5-15, peat ash 1-5, siliceous shale 15-30, furnace slag 15-40, fly ash 10-20, zeolite 15-40, river, lake and sea sludge 10-30 and peat 10-25. The shell powder is crushed to a fineness of a 60-200-mesh particle size, and silica content in the siliceous shale is 87.0-89.5%. The preparation method for the ceramsite comprises the following steps: batching, crushing, stirring, granulating, roasting, natural cooling, and obtaining the ceramsite.