Production of Bleaching Powder

Production of Bleaching Powder

Production of Bleaching Powder. Business Idea of Bleaching Powder Manufacturing.

Bleaching powder is calcium hypochlorite (Ca (OCl) 2). Bleaching powder may be a white – yellowish powder that very well dissolves in water. It’s a 1 of the most important industry within the world. Limestone and chlorine gas are used as raw materials to manufacture bleaching powder that is used as a disinfectant and as an oxidizing agent. It’s associate chemical compound.

As a mixture with lime and calcium chloride, it’s marketed as chlorine powder for water treatment and as a bleaching agent. Calcium hypochlorite is an integral component of bleaching powder that additionally includes calcium chloride and slaked lime. Calcium hypochlorite is that the second most used chemical type within the hypochlorite market; sodium hypochlorite (liquid bleach) being the most used type.

Bleaching powder is also known as calcium chlorohypochlorite because it’s considered as a mixed salt of hydrochloric acid and hypochlorous acid. bleaching powder is an oxidizer and therefore the activity is measured in terms of available chlorine, that is that the same weight as that of gaseous or liquid chlorine that may exert a similar action because the chlorine compound. Bleaching powder is used to whiting or removing the natural color of textile fibers, yarns, wood pulp, paper and alternative product by chemical reaction and is also an additive within the scouring powder preparation as antimicrobic. Bleaching powder is calcium hypochlorite (Ca (OCl) 2). It’s a 1 of the most important industry within the world. Limestone and chlorine gas are used as raw materials to manufacture bleaching powder that is used as a disinfectant and as an oxidizing agent. Bleaching powder show different reactions.

Bleaching powder is partially soluble in water, the hypochlorite dissolving and being responsible for oxidizing and bleaching power. Bleaching powder is used to whiting or removing the natural color of textile fibers, yarns, wood pulp, paper and different product by chemical action and is also an additive within the scouring powder preparation as germicide. True bleaching powder, freshly prepared, contains concerning 36 % on the market chlorine. Its storage life is brief, especially in heat climates. Due to the instability of bleaching powder at higher temperatures, a lot of stable bleaching compound was sought.

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  • Bleaching powder is used for bleaching cotton and linen in textile industry.
  • Bleaching wood pulp in paper industry.
  • It is also used for bleaching washed clothes in laundry. The bleaching action of bleaching powder is due to the chlorine released by it.
  • Bleaching powder is used for disinfecting drinking water supply. That is, for making drinking water free from germs.
  • Bleaching powder is used for the manufacture of chloroform (CHCl).
  • Bleaching powder is used as an oxidizing agent in many chemical industries.
  • Waste Water Treatment and Sewage disposal.
  • Household Bleaching/Cleaning applications.
  • Used as a Sanitizing Agent also.


Preparation of Bleaching Powder Reaction

Bleaching powder is prepared on an outsized scale by passing the chlorine gas through an answer that contains calcium hydroxide. Bleaching powder is also sold-out on the basis of the on the market chlorine, that is liberated once it’s treated with the dilute acid. Bleaching powder is used for bleaching paper pulps and fabrics and for sterilizing water.

Calcium hypochlorite is used as a bleaching agent and disinfectant agent. The bleaching powder is also known as chlorinated lime (chloride of lime) that is used in error within the whitewash. Bleaching powder also causes irritation on the skin and eye.

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Common bleaching powder is prepared by combining calcium hypochlorite, calcium hydroxide, and calcium chloride. Among these, calcium hypochlorite is a recognized dye and is widely considered as a type of chlorine-based bleaching agent. Bleaching agents are generally either oxidizers or reducers. Oxidizing bleaching specialists constitute a significant part of dying agents. The most commonly used oxidizing and bleaching agents are either chlorine-based, peroxide-based, or chemical-based. These agents are consumed in different applications including color change or retention, materials or water, disinfecting textiles, effluent control, stain removal, and for deodorizing substrates. The major end-user of these bleaching agents are pulp and paper, textile, water and wastewater treatment, laundry, and health care. Additionally, bleaching is utilized as a part of a wide range of household applications. Increased innovation in the area of chemical bleaching but also emit less contaminants into water, soil, and air.

Uses of Bleaching Powder

It is used for bleaching dirty clothes in the laundry, as a bleaching agent for cotton and linen in the textile industry.

It is a strong oxidizing agent hence used as an oxidizer in many industries.

It is used as a disinfectant which is used for disinfecting water to make potable water.

As a disinfectant and germicide especially in the sterilization of drinking water.

For the manufacture of chloroform.

Bleaching powder is also used in the paper industry.

Bleaching powder is commonly used for bleaching clothes.

Bleaching powder is used to disinfect drinking water.

Bleaching powder is used in the manufacture of chloroform (CHCl3), and an aesthetic.

Bleaching powder is used as an oxidizing agent.

Bleaching powder is used to shrink wool.


Characteristics of Bleaching Powder

Bleaching powder is a pale yellowish powder existing with a strong smell of chlorine.

It is soluble in water but due to the presence of impurities.

Its chemical formula is CaOCl2 with its chemical name as Calcium hypochlorite.

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Peroxide may be a universal bleaching agent and may be used for wool, silk as well as cotton. It’s especially suited to the bleaching of union fabrics containing each cotton and wool or silk.

Hydrogen peroxide may be a milder reagent than salt and therefore the degrading effect of peroxide bleaching on cellulose is less influenced than is that the case with hypochlorite.

Peroxide is capable of continuous the scouring action simultaneously with the bleaching action, therefore a single stage combined scour and bleach or a continuous method is feasible using hydrogen peroxide.

Peroxide bleaching is generally less prone to have adverse impact on dyed threads. The white impact is good and permanent and there’s less risk of yellowing at a later stage.

Thorough rinsing followed by scouring or antichlor treatment is required with hypochlorite bleaching, whereas with peroxide a comparatively short rinsing suffices.

With hydrogen peroxide, there’s no danger of equipment corrosion, no unpleasant odors and no limitations on processing techniques.

Increasing strict control over the discharge of AOX from chlorine bleaching liquors has led to a greater advantage of peroxide processes for bleaching cellulosic fibres.

Market Outlook

The global bleaching powder market was valued at around US$ 5 Bn in 2016 and is anticipated to expand at a CAGR of more than 3% from 2018 to 2026. Expansion in the global bleaching powder market is driven by the rise in demand for fresh water and increase in demand for bleaching powder in pulp & paper applications. The bleaching powder market in Asia Pacific is anticipated to expand at a CAGR of around 4% during the forecast period. Rapid urbanization in developing economies such as China and India is estimated to propel the bleaching powder market in the region.

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Production of Stable Bleaching Powder

The market demand for calcium hypochlorite has been on the increase because of the increased health and sanitation consciousness of the overall population post the epidemic outbreak of swine flu, avian flu, cholera, pertussis, common flu, West Nile virus and various different diseases over the past decade. Despite its widespread use, calcium hypochlorite has market restraints in terms of hazard. Inhalation or swallowing of the chemical is very dangerous and may be fatal for human. Because of its strong oxidizing properties direct contact with any piece might cause chemical burns. The chemical needs storage in cool and well ventilated spaces and needs to be handled carefully so as to reduce accidental spillover.

North America is that the largest consumer of calcium hypochlorite in the world with the U.S. accounting for over 90% of the region’s consumption. Europe accounts for the second largest market share for the chemical, and Western European countries are the most consumers within the region. Asia Pacific region is one in all the fastest growing markets for calcium hypochlorite. China is that the major manufacturer as well as consumer of the chemical in Asia. Significant growth has also been witnessed in Middle East and South America as well.

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According to the WHO, around 2.2 million individuals died globally because of water-borne diseases such as gastrointestinal. The rising infections caused because of water-borne diseases creates a demand for freshwater across everywhere the world. Nowadays, desalination and water reuse are thought-about to be the vital source of freshwater, whereby calcium hypochlorite is used as a disinfectant. Calcium hypochlorite plays an important role within the pre or post-treatment of the water desalination. The rising demand for fresh water is that the primary factors that drive the growth of calcium hypochlorite market. Additionally, increasing use of calcium hypochlorite in various applications similar to house cleanup, agrochemicals, paper and pulp, food and beverages and water treatment is anticipated to reinforce the growth of calcium hypochlorite market over the forecast year.

Bleaching Chemicals Market is anticipated to record a CAGR of 5.9% over the forecast period. The bleaching chemicals market is estimated to value at 3.5 billion by the top of the forecast period. Moreover, the various advantageous properties of bleaching chemicals are exploited within the field of textiles and water treatment currently so. New uses for bleaching chemical derivatives are discovered on regular basis that is expected to drive the bleaching chemicals market rapidly.

Geographically, North America and Europe are the most important regions within the calcium hypochlorite market and expected to carry the largest market share in calcium hypochlorite over the forecast period. Within the calcium hypochlorite market, Asia-Pacific region is growing at the very best growing demand for the improved drinkable and sanitation and increase use of calcium hypochlorite in house cleaning applications.

Bleaching powder is used to get rid of color from natural or artificial products. The product could be a crucial input of the textile business. Since there’s no plant that produces bleaching powder locally the country’s demand for the merchandise is entirely met through import. However, import statistics from Customs Authority lumps up bleaching powder with different finishing agents used by textile industries. However, opinion of knowledgeable persons indicates that from the overall textile finishing agents imported the share of bleaching powder is 15%.

Further, the impact of the novel COVID-19 pandemic on the Bleaching Powder market and offers a clear assessment of the projected market fluctuations during the forecast period. The different factors that are likely to impact the overall dynamics of the Bleaching Powder market.

North America accounts for nearly one third of the market share, and is expected to show significant growth over the forecast period. The regional demand growth for Bleaching Powder can be attributed to higher than average spending of consumers on cleaning and healthcare products. As of date, North America has shown highest cases for COVID-19 which are rising at a significant pace as compared to other regions. The presence of multiple market leaders in the region is expected to decrease the gap within demand and supply for Bleaching Powder.

Key Players

Swastik Chemicals, Olin Chlor Alkali, Aditya Birla Chemicals, Lords Chloro Alkali Limited, GACL, Sree Rayalaseema Hi-Strength Hypo Ltd, Suvidhi Industries, OxyChem, Kuehne, Clorox, Hill Brothers Chemical, Vertex Chemical, HASA etc.