Table of Contents
What is the formula of zeolite process?
The chemical formula of zeolites is Na2Al2Si2O8. Zeolites have small openings of fixed size in them which allow small molecules to pass through them easily but larger molecules cannot pass through them.
What is the advantage of zeolite process?
Advantages of zeolite process: (i) it removes the hardness almost completely and water of about l0 ppm hardness is produced. (ii) The equipment used is compact, occupying a small space. (iii) No impurities are precipitated, so there is no danger of sludge formation in the treated-water at a later stage.
How does zeolite process remove hardness in water?
Hard water is passed inside a column filled with sodium-containing zeolites. Salts of calcium and magnesium are trapped by zeolites and sodium ions get released. This results in softening of water making water rich in sodium.
What is the procedure for the purification of water in zeolite method?
In zeolite softening, water containing scale-forming ions, such as calcium and magnesium, passes through a resin bed containing SAC resin in the sodium form. In the resin, the hardness ions are exchanged with the sodium, and the sodium diffuses into the bulk water solution.
What is your zeolite?
Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Based on this, he called the material zeolite, from the Greek ζέω (zéō), meaning “to boil” and λίθος (líthos), meaning “stone”.
What is a natural zeolite?
Natural zeolites are hydrated aluminosilicate frameworks with pores occupied by water, alkali, and alkaline earth-metal cations. Due to their unique 3D porous structure, these materials can acquire exceptional adsorption properties.
What are the disadvantages of zeolite?
Disadvantages of zeolite process: Highly acidic water isn’t suitable for use in light of the fact that it influences the minerals. Zeolites of iron and manganese can’t be effectively recovered. Raw material must be liberated from suspended polluting influences. The water ought not be turbid.
How zeolite is regenerated?
Exhausted hydrogen zeolite is completely regenerated by washing with an excess of dilute strong vthe respective salts in the raw water.
How many steps are involved in the zeolite process?
How many steps are involved in the zeolite process? Explanation: There are no steps involved in the zeolite process. The water hardness will be removed in one operation in zeolite process.
What is a zeolite made of?
A zeolite is a hydrated aluminosilicate mineral with a structure characterized by a framework of linked tetrahedra, each consisting of four oxygen atoms surrounding a silicon or aluminum cation.
Where is zeolite produced?
volcanic rocks
Natural zeolites occur in mafic volcanic rocks as cavity fillings, probably as a result of deposition by fluids or vapours. In sedimentary rocks zeolites occur as alteration products of volcanic glass and serve as cementing material in detrital rocks; they also are found in chemical sedimentary rocks of marine origin.
Where is zeolite obtained from?
volcanic
Natural zeolites are hydrothermal and of mainly volcanic origin. They can occur both in crystallized forms found in igneous and metamorphic rocks, as well as in grains of smaller diameters accumulated in sedimentary rocks [5].
What is the zezeolite process?
Zeolite process for water softening has become a commercial success for the reason that zeolite can be easily regenerated. When Ca 2+ and Mg 2+ ions containing hard water is passes through a bed of sodium zeolite, the sodium ions are replace by the calcium and magnesium ions. Na 2 Ze + Ca (HCO 3) 2 → 2NaHCO 3 + CaZe
What is zeolite water softener process?
Zeolite process for water softening has become a commercial success for the reason that zeolite can be easily regenerated. When Ca 2+ and Mg 2+ ions containing hard water is passes through a bed of sodium zeolite, the sodium ions are replace by the calcium and magnesium ions.
How do zeolites remove ions from water?
Zeolites are characteristically soft to moderately hard, light in density, insoluble in water but can act as base exchangers in contact with water containing cations. Hence these can remove Ca 2+ and Mg 2+ ions from water when hard water is passes through.
What is the melting point of zeolite?
The melting point of zeolite is very high, i.e.1000 o C. They are insoluble in water or other inorganic solvents. They do not undergo oxidation in the presence of air. The characteristic property of zeolite is their open cage-like framework structure that helps zeolite to trap water and ions of potassium and calcium.