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improvement of land of low value through practice.
improvement of land of low value through practice.
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机译：通过实践改善低价值土地。
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摘要
An aqueous solution of an alkali metal silicate is mixed with waste material and a silicate setting agent to cause the silicate and setting agent to react with each other. The proportions of the silicate and setting agent are such that the reaction converts the mixture into a consolidated chemically and physically stable solid product that is substantially insoluble in water and in which pollutants are entrapped in the solidified silicate so that the waste material is rendered non-polluting and fit for ultimate disposal.
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