Preparation of K_2CO_3 Using Potassic Syenite from East Qinling Mountains  

作　　者：YANG Jing MA Hongwen QI Hongbin LUO Zheng ZENG Cheng 

机构地区：[1]School of Materials Science and Technology, China University of Geosciences [2]School of Mathematics and Physics, China University of Geosciences

出　　处：《Acta Geologica Sinica(English Edition)》2014年第S1期388-388,共1页地质学报（英文版）

基　　金：the funds from China Geological Survey Project(12120113087700);Fundamental Research Funds for the Central Universities(2652014017)

摘　　要：1 Introduction Songxian at East Qinling mountains in China possesses more than 100 million tons potassic syenite with the average K2O content of 13%and the main mineral phase of K-feldspar which is a kind of potential potassium1 Introduction Songxian at East Qinling mountains in China possesses more than 100 million tons potassic syenite with the average K2O content of 13%and the main mineral phase of K-feldspar which is a kind of potential potassium

关 键 词：potassic syenite potassium carbonate alkali-hydrothermal method 

分 类 号：TQ131.13[化学工程—无机化工]