Method of production manufacture [water, washing soda, baking soda bleaching powder]

Method of production manufacture [water, washing soda, baking soda bleaching powder]

Washing soda

The chemical name of washing soda is sodium carbonate decahydrate, and its chemical formula is Na2CO3.10H2O. So washing soda is hydrated salt of sodium carbonate containing 10 Molecules of water of crystallization. Sodium carbonate is manufactured by Solvay process.

The manufacture of sodium carbonate by Solvay process includes following steps:

Saturation of Sodium Chloride with Ammonia        

First of all a cold and concentrated solution of sodium chloride called brine is saturated with ammonia to get a solution called ammoniacal brine.

Carbonation    

In the second step the ammoniacal brine prepared in first step is dropped from the top of a tower called carbonating tower and carbon dioxide gas is passed into the tower from near its base. The carbonating tower has partitions which are made up of iron plates with hole in the center and covered with perforated plate. The function of these partitions is to slow down the down coming ammoniacal brine solution so that the upcoming carbon dioxide has enough time to react with it completely.

So as the ammoniacal brine comes down from the top of the carbonating tower, it reacts with carbon dioxide to form precipitates of sodium hydrogencarbonate (also called sodium bicarbonate):

NaCL + NH3 + CO2 + H2O = NaHCO3 + NH4CL

 

Baking soda:production and Manufacturing

Baking Soda, a sodium bicarbonate, is a naturally occurring substance that is present in all living things–it helps living things maintain the pH balance necessary for life. Baking Soda is made from soda ash, also known as sodium carbonate. The soda ash is obtained in one of two ways: it can be manufactured by passing carbon dioxide and ammonia through a concentrated solution of sodium chloride (table salt). In our case, it is mined in the form of an Ore called trona. Whether the soda ash is mined or processed, it is dissolved into a solution through which carbon dioxide is bubbled, and sodium bicarbonate precipitates out, forming ‘Pure, Safe and Natural” Baking Soda.

 

Steps of manufacturing

  • Soda ash can be manufactured chemically using the Solvay process, or it can be made from trona ore. If trona ore is used, it must first be mined. After it has been brought to the surface, the trona ore is transported to a variety of processing Plants. There, the ore is refined into a slurry of sodium sesquicarbonate, an intermediate soda ash product that actually contains both soda ash (sodium carbonate) and baking soda.
  • the intermediate soda ash solution is put into a centrifuge, which separates the liquid from the crystals. The crystals are then dissolved in a bicarbonate solution (a soda ash solution made by the manufacturer) in a rotary dissolver, thereby becoming a saturated solution. This solution is filtered to remove any non-soluble materials and is then pumped through a feed tank to the top of a carbonating tower.
  • Purified carbon dioxide is introduced into the bottom of the tower and held under pressure. As the saturated sodium solution moves through the tower, it cools and reacts with the carbon dioxide to form sodium bicarbonate crystals. These crystals are collected at the bottom of the tower and transferred to another centrifuge, where excess solution (filtrate) is filtered out. The crystals are then washed in a bicarbonate solution, forming a cake-like substance ready for drying. The filtrate that is removed from the centrifuge is recycled to the rotary dissolver, where it is used to saturate more intermediate soda ash crystals.
  • The washed filter cake is then dried on either a continuous belt conveyor or in a vertical tube drier called a flash dryer. The theoretical yield from the process, according to the Church & Dwight Company, is between 90 and 95 percent, and the baking soda manufactured is more than 99 percent pure.

production of bleaching powder

Calcium hypochlorite is an inorganic compound with formula Ca(ClO)2. It is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agents. This compound is relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). It is a white solid, although commercial samples appear yellow. It strongly smells of chlorine, owing to its slow decomposition in moist air. It is not highly soluble in hard water, and is more preferably used in soft to medium-hard water. It has two forms: dry (anhydrous); and hydrated (hydrous).

Calcium hypochlorite is produced industrially by treating lime (Ca(OH)2) with chlorine gas. The reaction can be conducted in stages to give various compositions, each with different concentration of calcium hypochlorite, together with unconverted lime and calcium chloride.

2 Cl 2 + 2 Ca(OH) 2 → Ca(OCl) 2 + CaCl 2 + 2 H 2O

Bleaching powder is made with slightly moist slaked lime. It is not a simple mixture of calcium hypochlorite, calcium chloride, and calcium hydroxide. Instead, it is a mixture consisting principally of calcium hypochlorite Ca(OCl)2, dibasic calcium hypochlorite, Ca3(OCl)2(OH)4, and dibasic calcium chloride, Ca3Cl2(OH)4.,

Water is a vital resource that is essential for life. It is also a valuable commodity that is used in a variety of industries. There are several methods for producing water, including distillation, reverse osmosis, and electrodialysis.

Distillation is a process that separates water from other substances by boiling the water and then condensing the vapor. This process can be used to produce pure water from salt water or other contaminated water sources.

Reverse osmosis is a process that uses pressure to force water molecules through a semipermeable membrane. This membrane allows water molecules to pass through, but it blocks the passage of other molecules, such as salt ions. This process can be used to produce high-quality water from low-quality water sources.

Electrodialysis is a process that uses an electric field to separate water molecules from other substances. This process can be used to produce pure water from salt water or other contaminated water sources.

Washing soda, also known as sodium carbonate, is a chemical compound with the formula Na2CO3. It is a white, water-soluble solid that is used in a variety of industries, including the manufacture of glass, paper, and detergents. Washing soda can be produced by the Solvay process or the Leblanc process.

The Solvay process is a more modern process that is used to produce washing soda from sodium chloride, limestone, and ammonia. The Leblanc process is an older process that is used to produce washing soda from sodium chloride, sulfuric acid, and limestone.

Baking soda, also known as sodium bicarbonate, is a chemical compound with the formula NaHCO3. It is a white, water-soluble solid that is used in a variety of applications, including baking, cleaning, and fire extinguishing. Baking soda can be produced by the Solvay process or by natural mineral deposits.

The Solvay process is a more modern process that is used to produce baking soda from sodium chloride, limestone, and ammonia. Natural mineral deposits of baking soda are found in some parts of the world.

Bleaching powder, also known as calcium hypochlorite, is a chemical compound with the formula Ca(OCl)2. It is a white, water-soluble solid that is used as a bleaching agent, disinfectant, and oxidizer. Bleaching powder can be produced by the chlorine-lime process or by the electrolytic process.

The chlorine-lime process is a more traditional process that is used to produce bleaching powder from calcium chloride, lime, and chlorine gas. The electrolytic process is a newer process that is used to produce bleaching powder from calcium chloride and water.

Water, washing soda, baking soda, and bleaching powder are all important chemicals that are used in a variety of industries. There are several methods for producing these chemicals, and the best method to use depends on the specific application.

Water

  • What is water?
    Water is a tasteless, odorless, and colorless liquid that is essential for life on Earth. It is the most abundant substance on Earth’s surface, covering about 71% of the planet.

  • How is water produced?
    Water is produced naturally through the water cycle, which is the continuous movement of water on, above, and below the Earth’s surface. The water cycle begins with the sun, which heats the Earth’s surface. This heat causes water to evaporate from the surface into the Atmosphere. The water vapor rises up into the atmosphere and cools, condensing into clouds. The clouds release the water back to the Earth as Precipitation, such as rain, snow, sleet, or hail. The water then flows back into the Oceans, lakes, rivers, and groundwater.

  • What are the different types of water?
    There are three main types of water: fresh water, salt water, and brackish water. Fresh water is water that does not contain much salt. Salt water is water that contains a lot of salt. Brackish water is water that contains a mixture of fresh water and salt water.

  • What are the uses of water?
    Water is used for many purposes, including drinking, cooking, cleaning, bathing, and watering plants. It is also used in many industries, such as agriculture, manufacturing, and energy production.

Washing soda

  • What is washing soda?
    Washing soda is a sodium carbonate compound that is used as a cleaning agent. It is also known as sodium bicarbonate, sodium carbonate decahydrate, or washing crystals.

  • How is washing soda produced?
    Washing soda is produced by heating sodium bicarbonate to a high temperature. This process causes the sodium bicarbonate to decompose into sodium carbonate and water.

  • What are the uses of washing soda?
    Washing soda is used for many purposes, including:

  • Cleaning: Washing soda is a powerful cleaning agent that can be used to clean a variety of surfaces, including floors, countertops, and appliances.
  • Laundry: Washing soda can be used to add extra cleaning power to laundry detergent. It can also be used to remove stains and odors from laundry.
  • Dishwashing: Washing soda can be used to clean dishes and silverware. It can also be used to remove grease and food particles from dishes.
  • Deodorizing: Washing soda can be used to deodorize carpets, furniture, and other surfaces.
  • Drain cleaning: Washing soda can be used to clean drains and unclog pipes.

Baking soda

  • What is baking soda?
    Baking soda is a sodium bicarbonate compound that is used as a leavening agent in baked goods. It is also known as sodium hydrogen carbonate, sodium bicarbonate, or baking crystals.

  • How is baking soda produced?
    Baking soda is produced by heating sodium carbonate to a high temperature. This process causes the sodium carbonate to decompose into sodium bicarbonate and water.

  • What are the uses of baking soda?
    Baking soda is used for many purposes, including:

  • Baking: Baking soda is a leavening agent that is used to make baked goods rise. It is also used to neutralize acids in baked goods.
  • Cleaning: Baking soda is a mild abrasive that can be used to clean a variety of surfaces, including ovens, countertops, and appliances.
  • Deodorizing: Baking soda can be used to deodorize refrigerators, shoes, and other areas.
  • Oral care: Baking soda can be used to whiten teeth and freshen breath.
  • First aid: Baking soda can be used to treat minor burns and insect bites.

Bleaching powder

  • What is bleaching powder?
    Bleaching powder is a calcium hypochlorite compound that is used as a bleaching agent. It is also known as calcium chloride hypochlorite, bleaching crystals, or chloride of lime.

  • How is bleaching powder produced?
    Bleaching powder is produced by passing chlorine gas through a solution of calcium hydroxide. This process causes the calcium hydroxide to react with the chlorine gas to form calcium hypochlorite.

  • What are the uses of bleaching powder?
    Bleaching powder is used for many purposes, including:

  • Bleaching: Bleaching powder is a powerful bleaching agent that can be used to bleach clothes, fabrics, and other materials.
  • Disinfection: Bleaching powder is a disinfectant that can be used to kill bacteria and viruses.
  • Deodorizing: Bleaching powder can be used to deodorize toilets, sinks, and other areas.
  • Pest control: Bleaching powder can be used to control pests, such as cockroaches and ants.

Water

  1. Water is a compound of hydrogen and Oxygen. True or False?
  2. Water is a liquid at room temperature. True or False?
  3. Water is a good solvent. True or False?
  4. Water is essential for life. True or False?
  5. Water is the most abundant substance on Earth. True or False?

Washing soda

  1. Washing soda is a compound of sodium and carbonate. True or False?
  2. Washing soda is a white solid. True or False?
  3. Washing soda is soluble in water. True or False?
  4. Washing soda is used as a laundry detergent. True or False?
  5. Washing soda is used to make glass. True or False?

Baking soda

  1. Baking soda is a compound of sodium and bicarbonate. True or False?
  2. Baking soda is a white solid. True or False?
  3. Baking soda is soluble in water. True or False?
  4. Baking soda is used as a leavening agent in baking. True or False?
  5. Baking soda is used to neutralize acids. True or False?

Bleaching powder

  1. Bleaching powder is a compound of calcium and hypochlorite. True or False?
  2. Bleaching powder is a white solid. True or False?
  3. Bleaching powder is soluble in water. True or False?
  4. Bleaching powder is used to bleach clothes. True or False?
  5. Bleaching powder is used to disinfect surfaces. True or False?
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