Introduction: Potable water treatment and municipal water treatments are common across the globe. A proper water treatment that includes coagulation, flocculation, sedimentation, and filtration is essential to qualify the water for drinking or irrigation purposes. Chemical compounds like alum, ferrous chloride, aluminum chloride, aluminum sulfate, etc act as coagulants in the water treatment process. This article talks about the efficacy of Ferrous chloride and its vital role in water treatment and other departments.
Ferrous chloride- Utilisation :
- Used in water treatments: The first and foremost use of ferrous chloride is to remove the impurities that are present in the water. The demand for Ferrous chloride increases as there is a constant expansion in the economy and population in Asia and middle eastern countries. Impurities cannot be removed just by the process of filtration. The impurities are not visible to naked eyes. They require destabilization using coagulants to remove them effectively.
- Suppress the odor: Water treatments don’t end with removing impurities. A study was conducted to investigate odor control using ferrous chloride and ferrous salts, it was observed that they have achieved excellent results.
- Etchant in microelectronics: Ferrous chlorides are consumed by the countries like western European countries and Asian countries for non-water treatment procedures also. Ferrous chloride can act as photographic and electronic etchants. The etching activities are largely moved to the Asian and European countries. They are carried out much lesser in the US comparatively.
- Pharmaceutical industry: They are used in the pharmaceutical industry as a precursor for medicines that are used in treating anemia patients. The treatments include iron as a component.
Why coagulation is an important step?
In the process of treating water, experts advise using any chemical compound to destabilize the impurities present in the water. The process begins with adding the iron or aluminum salts namely, Ferric chloride, ferric sulfate, ferrous chloride. These are collectively addressed as coagulants. They are positively charged particles that help in neutralizing the negatively charged suspended particles present in the water. This process of attracting negatively charged particles is called coagulation.
Why should you carry out other steps after coagulation?
In the step-by-step process of water treatment, coagulation is essential but just not sufficient to get the desired result. To reduce the turbidity of the water, it is a must to carry out all the steps of the water treatment. By adding the chemical compound into the water doesn’t reduce the turbidity by itself it increases as the added compounds are insoluble.
Combining alum and ferrous chloride to generate inorganic polymeric coagulants also helps. The concentrated solutions of alum or ferric chloride are partially neutralized to obtain the inorganic polymeric coagulants. These inorganic polymeric coagulants are better than the alum and ferrous chloride themselves as they remove turgidity better in cold waters and low alkalinity waters.
Conclusion:
A survey has been conducted to determine the utility of the ferrous chloride compound. It has been observed that the Asian and western European countries are utilizing the compound to a larger extent. The ferrous chloride compound is inevitably utilized more for its versatility in water treatment. Ferric Chloride Manufacturers for years have been an industry leader in providing excellent quality Ferric Chloride, which is often used as a water treatment chemical.
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