Benefits of using ON grade caustic soda - سوداروند

What Is ON grade caustic soda?

Caustic soda is produced by various industrial processes. The produced material may have a purity of 90 to 95%, which is suitable for many applications, but for some specific and sensitive industries, this purity is not sufficient and a more optimized caustic soda is needed.

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ON grade caustic soda has a very high purity, usually above 98%, and due to strict production and quality control processes, it is free of impurities and harmful substances. To achieve ON grade caustic soda, additional purification and refining processes are carried out, including the removal of impurities and the addition of strict quality control steps, in order to increase the purity to 98% to 99%. The testing process continues until there are no impurities in the ON grade caustic soda, and finally ON grade caustic soda is produced.

We have fully examined this grade of caustic soda in the ON grade caustic soda article, the content of this article can be useful to you. For more information about pricing and purchasing ON grade soda interest, please contact us via the contact page.

Differences between ON and OFF grade

ON and OFF grades of caustic soda have important differences in terms of properties and applications. ON caustic soda has a purity of at least 98% and is free of harmful impurities, while OFF caustic soda has a lower purity (91-94%). Also, ON caustic soda is usually more stable in storage conditions and is less affected by humidity and environmental conditions.

ON caustic soda is used more in sensitive industries such as food, water treatment, textile and soap making, while OFF caustic soda is used more in chemical industries, wastewater treatment, industrial washing and agriculture. Also, the price of ON grade is higher than OFF grade due to its higher purity.

We have discussed the details of the differences and applications of these two grades in the article Differences between ON and OFF caustic soda, which the content of this article can be useful to you.

Applications of ON grade caustic soda in industry

ON Grade soda is recognized as a reliable product in the market due to its high quality and strict production standards and is specifically used in applications that require high purity and safety, such as pharmaceutical, food, and sensitive chemical industries. Below, we describe the applications of ON soda in various industries:

Use of ON grade soda in the Pharmaceutical Industry

When it comes to medicines, quality and safety come first. ON soda is used as a pH regulator in pharmaceutical manufacturing processes and helps create the right conditions for chemical reactions. In other words, this substance helps produce drugs with better effectiveness and fewer side effects. It also plays a key role in the production of some specific drugs, such as antibiotics and antiviral drugs. For this reason, pharmaceutical factories pay special attention to using ON grade soda with high standards to ensure the quality of their products.

Application of Caustic Soda ON in the Food Industry

Food manufacturers insist on using ON soda instead of less pure OFF soda  because it helps maintain the quality, safety and legal standards of food products. The use of Caustic Soda ON in the food industry is important for several reasons. One of these reasons is the high purity of ON soda, which makes it less likely to contain impurities and contaminants.

In the food industry, the presence of impurities can compromise the quality and safety of products. ON soda is produced under strict standards that ensure that it is safe for use in sensitive industries such as food. In addition, ON soda does not negatively affect the taste and final quality of food products, while OFF soda may contain impurities that can affect the taste and color of food.

Use of Caustic Soda ON in the Chemical Industry

In the chemical industry, ON soda is one of the key raw materials. As a strong alkali, it is used in the production of various chemicals such as soaps, detergents, and industrial chemicals. When it comes to the production of detergents, the presence of Caustic Soda ON helps the cleaning process and makes these products have greater cleaning power.

Also, in the production of other chemicals, this material acts as a reactive agent and helps create new products. For this reason, ON soda is known as a vital material in the chemical industry, and factories depend on it to produce quality products. Of course, it should be noted that the use of this material requires precision and compliance with standards to prevent problems.

Application of ON Caustic Soda in Water Treatment

In the water treatment mechanism, ON grade Soda is distinguished from OFF grade caustic soda due to its high purity and absence of impurities. Lower grade caustic soda may contain chemicals and impurities that can negatively affect water quality, while ON Caustic Soda does not. This material does not negatively affect water quality due to its minimal impurities, and therefore, it is safer for human and industrial use and a better choice for water treatment.

As a strong alkali, it can help accelerate chemical reactions and improve the efficiency of treatment processes. For example, in the coagulation and flocculation process, ON Caustic Soda helps form larger particles that are easily removed.

Use of Caustic Soda ON in Textile Industries

ON soda is used in the textile industry as a bleaching and cleaning agent. When fabrics are produced, they require special processes in order to have good color and quality, which is where ON soda is used. In fabric production, especially cotton fabrics, ON soda, as a bleaching agent, removes unwanted colors and impurities from fibers. Also, ON soda is used to adjust pH during dyeing and fix color on fabric.

Use of Caustic Soda ON in the Paper Industry

In the paper industry, ON soda is also used to bleach paper and improve its quality. For example, in the production of pulp from wood , ON soda is used as a strong alkali to remove lignin (the substance that binds wood fibers together). Also, in various stages of paper production where pH adjustment is required, Caustic Soda ON is used as a pH regulator.

Benefits of using ON grade caustic soda

ON soda reduces production costs due to its high purity, and manufacturers can earn more profit by saving costs. In addition, since a smaller amount of this material is needed, transportation and storage costs are also much lower. Other benefits of using ON grade soda include the following:

Reducing environmental risks

Using this type of ON gradesoda helps reduce environmental risks because when we use high-quality chemicals, the possibility of environmental pollution is reduced. This is very important for companies that are subject to strict environmental laws and can prevent possible fines.

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Improving process efficiency

ON grade soda can increase the speed of chemical reactions due to its high purity. This allows for faster turnaround times and higher production. As a result, manufacturers can produce more products at lower costs, compete better in the marketplace, and make more profit.

High compatibility

This material is very compatible with a variety of chemicals and industrial processes. For example, if a manufacturer wants to create a new formulation for a product, they can easily add ON grade caustic soda to the mix and optimize the reactions. This results in less time needed to change formulas and settings, resulting in higher production and lower costs for changes.

Higher safety

When there are fewer impurities, there is also a lower chance of health problems such as irritation or sensitivity. Since ON soda has fewer impurities, it reduces health risks. In addition, ON soda solution causes less damage to equipment and machinery, and its use reduces the need for repairs and replacements and extends the life of the equipment.

In this article, we have examined the benefits of using ON sodium hydroxide and the applications of this miraculous chemical, and we have examined some of the useful properties of this substance. If you need to purchase ON sodium hydroxide in bulk or in bulk, simply contact Arvand sodium hydroxide sales experts or leave your number so that we can contact you.

To sum up

In this article, we have examined the benefits of using ON grade caustic soda and the applications of this miraculous chemical, and we have examined some of the useful properties of this substance. If you need to purchase ON soda in bulk or in retail, simply contact Sod Arvand sales experts or leave your number so that we can contact you.

Lime products generally come in four forms. Limestone (CaCO3) is the most unrefined lime product from which all other lime products are ultimately derived. Limestone is of course a solid stone that can come in a wide variety of size ranges. Limestone can be used for acid neutralization in some special industrial processes but will be considered outside of the scope of this document. Quicklime (CaO) is limestone that has been calcined in a kiln. This product is shipped as a solid but is typically chemically converted into lime slurry by the consumer at their facility. Hydrated Lime (Ca(OH)2) is a product derived from quicklime that has already been hydrated with a controlled amount of water to remove its exothermic heat of reaction. Hydrated lime is a dry product with a powdery size and consistency. Finally, Calsafe, more generally called lime slurry, is the only liquid form of calcium products.

Lime products are not as hazardous as caustic soda (sodium hydroxide) and are the more economically favorable alkaline additives for industrial processes such as acid neutralization, pH adjustment and metals removal. Quicklime also has a stronger neutralizing capacity per dry ton; so less material needs to be used. An investment of equipment is needed, and a sludge volume is produced, but it is often low-volume and simple to handle.

Caustic soda (sodium hydroxide) is available as a liquid in both 20% and 50% solutions and does an excellent job with pH control in the wastewater treatment field. It is easy to handle and it disperses well. Oftentimes, caustic soda is easier to store and handle. Also, in regards to pumping equipment maintenance, with caustic soda, less maintenance is required. The sludge volume produced by caustic soda is less than the sludge volume produced by lime. A downside to caustic soda is that it is extremely hazardous in terms of exposure to the skin and eyes and can cause chemical burns. While severe burns are not common, there is a possibility. While caustic soda does not require the initial equipment capital investment that lime does, it still can be significantly more expensive overall because of its high cost per ton.

Let us look in more detail at a comparison of their physical characteristics, solubility, pH range, reaction products formed, and cost in more detail.

With a risk of dust getting in the eyes or mucus membranes, protective equipment should be used when working with dry lime products. Eye protection such as safety glasses, chemical goggles and/or a face shield can be worn. Contact lenses should not be worn when working with lime products. Also, as with any chemical that can irritate unprotected skin, protective gloves and clothing that fully covers arms and legs are recommended. In most cases, nuisance dust masks can be worn as well.

Caustic soda has those same safety issues, but it also is much more corrosive and can damage skin tissue with just a drop or two in a very short period of time. Users must be cognizant of the potential of chemical burns or severe burns. Lime should be considered a safer alternative to caustic soda. For additional information on sodium hydroxide safety measures, visit the OSHA website.

Quicklime must be slaked to transform it to lime slurry and is a cost-effective alternative in terms of reagent cost, but it requires more manpower and has more expensive capital costs up front for slaking equipment. Hydrated lime is a more expensive reagent, but requires less manpower. CALSAFE liquid lime can be the most expensive lime products option, but requires the simplest storage and handling equipment, reducing capital cost and manpower requirements. Caustic soda can be a lot more expensive to use than either lime option especially when considering the necessary quantities for applications such as acidic wastewater treatment. It is important to look at which product is a safer alternative both in terms of finances but also in terms of real-life use.

Here is a comparison of costs for quicklime, hydrated lime and caustic soda when using 500, 3,000 or 6,000 dry tons as scenarios. In all cases, significant cost savings are realized when using lime vs. caustic soda, and the cost savings become larger as the amount of material increases.

This cost breakdown will not include CALSAFE lime slurry in the analysis as CALSAFE price structure varies from one geographic territory to another, however Carmeuse can work with you to understand your specific cost breakdowns for reagent and capital costs associated with switching to CALSAFE.  In general though, CALSAFE reagent pricing falls between dry hydrated lime and caustic soda and the capital costs for associated equipment similarly fall between these two products as well as CALSAFE is more simple to handle and requires no processing that quicklime and hydrated lime both require.

Prices can vary, but for the calculations below the prices used include $510/dry ton for caustic soda, $130.50/ton for quicklime as delivered and $153.10/ton for hydrated lime as delivered and also include necessary capital costs.  

It should be noted that these lime costs are derived from Table 5 of the Minerals Yearbook authored in conjunction with the USGS plus an assume $20/ton of transportation related costs. 
https://prd-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/atoms/files/myb1--lime.pdf

Caustic prices of $510/ton are derived from the middle values of recent caustic pricing ($490/dry ton) as of 18-June- from EChemi.com pricing chart linked below plus an assumed $20/ton of transportation related costs.
https://www.echemi.com/productsInformation/pd-caustic-soda-pearls.html

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