In India, Rice makes up for a large proportion of the country’s diet. As a result, rice is framed by the tons to be sold in markets. The process by which we obtain rice, the separation and more leaves behind a by-product called ‘Rice Husk’. When Rice stalks are threshed, this husk gets separated from the rice before it goes for polishing. This separated husk that got separated used to be disposed as a waste product earlier, however we can see it being used for purposes like Rice Husk Ash in our industries. This is much better than disposing of it since the tons of rice husk used to pose hazardous risks for our environment.

Rice Husk Ash

No one really knew earlier that rice husk could be so important and valuable in various factory processes. The discovery of this process could be attributed to when scientists took the time to analyze burnt ashes of rice hull. They concluded that it could have real time applications and that it could be highly useful in our industries and other fields of machinery. You can see people burning this rice husk for various requirements like boiler fuel, power generation, etc. The rice hull ash that gets left behind can be used further for other purposes by industrialists and smelters.

What are some of the Important Uses of Rice Husk Ash you can achieve with it? 

  • For starters, the rice husk ash can be used in case anyone needs a strong binder for their batch of cement. Using this would mean that you would be able to make your cement construction even more cost-efficient since you’ll deliver the same quality without using the costlier, artificial cement binder. The natural hull ash becomes active when you mix it with the cement paste, saving you time and money without compromising on quality.
  • Usually, you would need to buy silica from the market which is imported into our country. It is expensive, and earlier there was no alternative to it. However, Rice hull ash is naturally rich in Amorphous Silica. As a result, you can use this ash instead of buying silica fume or micro silica from the market at high prices. Again, you’d be reaching efficiency without compromising on quality.
  • Rice Husk Ash is naturally pozzolanic in nature. Since it is also reactive with cement and concrete, you can use the silica extracted from it in making durable and strong concrete. This can be used in making warehouses, factories, bridges, etc.
  • Furthermore, you will find that manipulating the purpose of this husk ash is quite easy. You will be able to use it as a thermobaric insulator. This will be useful in sealing anything that you are making, and it needs to be well insulated from heat escaping it. You can also change it to make it resistant to fire or water. It can also be made porous and spongy so as to absorb oil spills, make water-absorbent materials, etc.

These are some of the most important uses you can extract from Rice Hull Ash. Looking at these advantages, we can conclude that it’s a very useful by product of rice and certainly not a waste product in any state or phase.

Advertisement

Source: https://www.redbubble.com/people/globalrecycling/journal/28602997-importance-of-rice-hull-ash-in-our-country-s-industries