煤、煤层气、铝土矿、耐火粘土、铁矾土、含钾岩石等储量居全国首位；
Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China.
本项目的开发，是利用本地丰富的含钾岩石矿资源，生产农业需要的新型含钾肥料。
The project will use the local rocks containing kalium to produce new type kalium fertilizer.
利用四川某含钾岩石制得的钾明矾进一步制备硫酸型钾氮肥和氢氧化铝，从原理、工艺等方面进行探讨，并通过中试解决了工业化生产所出现的问题。
The principle and process of producing potassium-nitrogen compound fertilizer and aluminium hydroxide from potash alum are studied. Some problems are solved through the pilot test.
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