Q:How to do swelling expansion of bentonite?

Operation procedureL, say, take 1 grams of sample and add 100 ml of water to 30~40 ml of waterIn the cylinder, add water to the 75 ml mark2. Close the plug and shake for 3 minutes, so that the sample is fully dispersed, mixed with water, in the bright observation, no obvious particle mass can be3. Open the stopper. Add 25 ml lN hydrochloric acid solution, then plug the plug and shake for 1 minutes4, will be placed in the cylinder is not affected by the vibration of the table, standing 24 hours, the scale read precipitate interface value, namely the expansion times in ml / g sample.

Q:What kind of waterproof effect is good for bentonite waterproof blanket and geomembrane? What's the difference?

Bentonite waterproof blanket is a kind of bentonite impervious pad made of sodium bentonite filling between geotextile and woven cloth. The permanent waterproof properties, because the bentonite soil natural inorganic material, even after a long time or the surrounding environment changes, also does not occur with aging or corrosion. The construction is simple and the connection and fixation are made only with bentonite powder and nails and washers. Not affected by temperature: it is not brittle in cold climates.

Q:What is better, such as needling method, sodium base swelling method, needle coating method and adhesive waterproof blanket in Na bentonite?

This standard specifies the product classification, specifications and codes, technical requirements and test methods, test rules, signs, packaging, storage and transportation of sodium based bentonite waterproof blanket. This standard is applicable to the subway, tunnel, artificial lake, landfill, airport, Luqiao, water conservancy, construction and other fields of waterproof, anti-seepage engineering using sodium bentonite as the main raw material, using sodium bentonite waterproof blanket acupuncture, acupuncture method and method for the production of coated adhesive (GCL).

Q:How does bentonite work well? What is the principle of deep processing of bentonite?

The bentonite ore crushed dried or add some alkali - crushing belongs to rough machining (or called mill)

Q:Why should sodium bentonite be used in casting?

Na bentonite contains more sodium ions, and calcium bentonite contains more calcium ions.

Q:Under what circumstances did the shield use bentonite? Under what circumstances do you use foam? Used to improve soil mass

In EPB shield machine, we generally in poor condition when the shield, such as high viscosity of the clay layer, adding foam, make the soil loose, easy to soil in soil discharged, without plugging in the screw machine export department. The effect of bentonite is the same.

Q:What are the functions of bentonite in coatings?

Because of its good suspension property, cohesiveness and dispersion.

Q:What can bentonite do?

Bentonite (Bentonite) in transliteration, predominantly montmorillonite aqueous clay minerals, the chemical composition of montmorillonite: (Al2, Mg3) - [Si4O10][OH]2 nH2O, because it has special properties. Such as: swelling, adhesion, adsorption, catalysis, thixotropy, suspension and cation exchange, etc., so widely used in various industrial fields. Foreign countries have been applied in more than 100 sectors of industry, agriculture and production in 24 fields, and there are more than 300 products, so people call it "omnipotent soil"". Bentonite is also called bentonite and bentonite rock. The development and use of bentonite in China has a long history, but it was only used as a kind of detergent. (in Sichuan Renshou area, there was an open-air mine hundreds of years ago, and the local people called bentonite as earth powder). What is widely used but only a few hundred years of history. The earliest discovery in the United States was the yellowish green clay in Wyoming's ancient state, which expanded into a paste after adding water. Later, people referred to all these clays as "bentonite". In fact, the main mineral composition of montmorillonite is montmorillonite, the content is 85-90%, and some properties of bentonite are also determined by montmorillonite. Montmorillonite can be a variety of colors, such as yellow green, yellow white, gray, white and so on. Can be dense, massive, or for loose soil, with fingers rubbed when there is a sense of sliding, small pieces of water after the volume of swelling several times to 20-30 times, in the water as a suspended shape, less water when it was mushy. The properties of montmorillonite are related to its chemical composition and internal structure.

Q:Is it true that montmorillonite content is determined by bentonite or clay?

Montmorillonite content of about 30-60, all drilling mud, pelletizing or casting purposes.

Q:Montmorillonite is a chemical component. How can it be effective in the treatment of diarrhea?

Repair and improve the gastrointestinal mucosa of the pathogenic factor of the defense function. This product does not enter the blood circulation system, and together with the virulence factors of pathogenic factors with the gastrointestinal peristalsis itself excreted in the gastrointestinal tract to adsorption of Smectite Powder, together with the shit out, and the protective layer is formed on the gastrointestinal mucous membrane surface, protecting gastrointestinal mucosa against pathogenic factors the damage can be used. Smectite Powder in acute and chronic diarrhea caused by various reasons. But no Smectite Powder is absorbed into the blood, very safe, only side effect is occasional constipation, dry stool. Therefore, Smectite Powder is the preferred treatment of various kinds of diarrhea.