CAJ | 학술논문

　　湖南临澧有一种低蒙脱石含量的黏土———“膨润土”，其蒙脱石含量一般在40％左右。按传统的钠化处理该种黏土是不能达到钻井泥浆用土要求的。试验探讨了该类膨润土的理化性能。并针对该黏土的特点，提出了采用复合添加剂（纯碱、活性氧化镁、天然有机高分子化合物与合成有机高分子聚合物），对其进行钠化改性处理。利用它们的相互作用与协同效应，提高和改善黏土的分散性与流变学性能，使它的各项技术性能达到国际标准 ISO13500∶2008对泥浆用土的要求。该钠化改性方法工艺简单，设备投资少、效益明显，具有推广价值。
　　호남림례유일충저몽탈석함량적점토———“팽윤토”，기몽탈석함량일반재40％좌우。안전통적납화처리해충점토시불능체도찬정니장용토요구적。시험탐토료해류팽윤토적이화성능。병침대해점토적특점，제출료채용복합첨가제（순감、활성양화미、천연유궤고분자화합물여합성유궤고분자취합물），대기진행납화개성처리。이용타문적상호작용여협동효응，제고화개선점토적분산성여류변학성능，사타적각항기술성능체도국제표준 ISO13500∶2008대니장용토적요구。해납화개성방법공예간단，설비투자소、효익명현，구유추엄개치。
A Bentonite contains about 40 per cent of montmorillonite .Its physical and chemical properties are discussed .The clay treated with the traditinonal way cannot meet demands for the well drilling mud materials .Based on the specific characteristics of the clay ,this clay was treated with a composite additive among which is soda ash ,activeted magnesium oxide ,and natural chainline macromolecule compound ,and synthetic macromolecule polymer .The results were shown that the making mud properties of modifying clay were improved significantly .All its technical index were up to the international standard ,ISO 13500∶2008 .