Bentonite mineral is a type of clay popularly dubbed “miracle mud” because of its diverse uses. Some of its uses include drilling fluids, absorbents, sealants, and many more. But what is bentonite? What makes it beneficial in various types of industries? Let’s find out below.
什么是膨润土？
膨润土是由火山灰的小玻璃颗粒蚀变而成的一种粘土。本顿堡是19世纪美国怀俄明州的一个采矿中心
要将火山灰转化为膨润土颗粒，需要一些自然过程。这些措施包括水合、消除碱、二氧化硅和碱，以及保护原始火山灰的纹理。
膨润土主要由蒙脱石类粘土矿物组成。膨润土有两种已知的品种，每种都根据其特性具有独特的应用。以下是所述类型的膨润土：
1.钠膨润土
钠基膨润土也称为膨胀型膨润土。钠基膨润土除了能够多次膨胀外，还可以吸收大量的水并产生凝胶状物质的悬浮液。由于这些特性，钠基膨润土被用于各种行业，包括铸造、陶瓷、制药等。
2.钙膨润土
This is a non-swelling type of bentonite, also popularly dubbed fuller’s earth. It can break down into a finely grained form, frequently used as an absorbing agent in various industries.
膨润土在哪里发现？
膨润土最早在怀俄明州被发现，开采已有125多年的历史。然而，根据英国地质调查局2014-2018年的数据，中国是世界上最大的膨润土生产国，其次是美国和印度。
同一时期，全球开采了约2440万吨膨润土和340万吨富勒土。世界上大多数优质钠膨润土开采于南达科他州、怀俄明州和土耳其的托卡特-雷萨迪耶地区。
Meanwhile, calcium bentonite is primarily produced in Greece, India, Australia, Ukraine, and Russia. In the US, this non-swelling bentonite is mined around Alabama and Mississippi. New Zealand, Greece, India, China, Turkey, and Germany significantly produce this bentonite type.
膨润土的用途是什么？
如上所述，膨润土被称为奇迹泥，因为它可以用于从重工业到制药工业的各种应用。膨润土的主要用途如下：
1.钻井泥浆
Bentonite has unique rheological characteristics, making it popularly utilized in the drilling industry. Its widespread use in drilling mud is to cool down and lubricate cutting tools, prevent blowouts, and remove cuttings. Due to its tendency to promote the mud cake’s development, bentonite is also utilized to avoid the invasion of drilling liquid.
2.粘结剂
钢铁铸造行业长期以来一直使用膨润土作为粘结剂。其钠型更常用于大型铸造厂，而其对应产品则用于用湿模制造的小型铸件。
The steelmaking industry also frequently makes the most of bentonite properties as a binder, particularly in producing iron ore pellets. A small amount of this mineral is used as one of the ingredients in manufacturing ceramic glazes and clay bodies. It’s because bentonite can boost clay bodies’ plasticity and decrease glazes’ settling.
3.纯化
各种矿物油、动物油和植物油在转入以下工艺之前必须进行纯化。由于膨润土的吸附性能，这种粘土矿物可用于此目的。膨润土还可以净化液体和饮料，包括醋、苹果酒、葡萄酒、啤酒和白酒。
除了上述膨润土的三个主要用途外，我们日常使用的其他产品中也含有这种矿物。这些包括药物、蜡笔、面霜、口红、洗发水和乳液。
Seeing all the varied uses of bentonite minerals, it’s clear that the mineral truly is a miracle mud. Do you know what other clay deserves the name “miracle mud”? It’s no different from kaolin. Kaolin is a silicate mineral 用于陶瓷, 涂布纸医学 化妆品，等等。你可以 联系PT Yudian Kawan Mineral—拥有30多年经验的高岭土供应商-您的业务是否需要高质量的高岭土。
相关的: 高岭土与膨润土：哪个更好？
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