Sodium sulfate price November 2024 and outlook (see chart below)
- Europe:US$0.37/KG, unchanged
Sodium sulfate Price Index
This post is a summary of the Sodium sulfate price developments. The price developments of Sodium sulfaten are expressed in US$ prices converted FX rates applicable at the time when the price was valid. Sodium sulfate price index developments are calculated from multiple separate sources of data to ensure statistical accuracy.
The outlook for Sodium sulfate prices is generated from different inputs including:
- Very recent price developments of immediate cost drivers of Sodium sulfate prices
- Recent price developments of underlying feedstocks which drive the price of Sodium sulfate
- Market futures for both cost drives and feedstocks of Sodium sulfate prices
- Adjustment of current supply/demand imbalances in the Sodium sulfate market
- Longer term trends in likely demand conditions
Further sources of information on the Sodium sulfate price chart
What is Sodium sulfate
Sodium sulfate is a chemical compound with the formula Na2SO4. It is an inorganic salt that consists of two sodium (Na) ions and one sulfate (SO4) ion. Sodium sulfate can occur naturally in mineral form or be produced synthetically. Here are some key points about sodium sulfate:
Chemical Formula: Na2SO4
Appearance
Sodium sulfate is typically a white, crystalline powder or granular substance. It is odorless and has a bitter taste.
Occurrence: It can be found in nature in mineral deposits and is sometimes referred to as “Glauber’s salt.” It is also a component of certain saline lakes and springs.
Uses
Industrial Applications
Sodium sulfate is used in various industrial processes, including the manufacture of paper and textiles. It is often used in the pulp and paper industry as a pulping agent and in the textile industry for dyeing processes.
Detergents
It is a common ingredient in detergents and cleaning products, where it helps to soften water and improve the cleaning efficiency.
Food Additive
Sodium sulfate may be used as a food additive (E number E514) in some applications, but it is generally recognized as safe when used in accordance with food safety regulations.
Medicine: In the past, it was used as a laxative, but its use for this purpose has declined due to the availability of safer alternatives.
Chemical Reagent
It is used in various chemical reactions and as a laboratory reagent.
Sodium sulfate has various forms and hydrates, including anhydrous sodium sulfate (containing no water) and decahydrate sodium sulfate (containing ten water molecules), which is commonly used in industry.
It’s important to handle sodium sulfate with care, as it can be irritating to the skin, eyes, and respiratory system in high concentrations. Safety precautions should be followed when working with this compound.
How is Sodium sulfate produced
Sodium sulfate can be produced through both natural processes and industrial methods. Here are the primary ways sodium sulfate is produced:
Natural Sources
Sodium sulfate can be obtained from naturally occurring mineral deposits, typically in the form of the mineral thenardite (Na2SO4). This mineral can be mined, crushed, and processed to yield sodium sulfate.
Salt Lakes and Springs
Sodium sulfate can be found in saline lakes and springs where it accumulates over time due to the evaporation of water. These natural sources can be harvested through the extraction of brines and subsequent processing to isolate sodium sulfate.
Chemical Synthesis (Industrial)
Glauber’s Process: This is one of the oldest methods for industrial production of sodium sulfate. It involves reacting sodium chloride (table salt) with sulfuric acid (H2SO4) to produce sodium sulfate and hydrochloric acid (HCl). The chemical equation is as follows
2 NaCl + H2SO4 → Na2SO4 + 2 HCl
Mannheim Process
In this process, sodium chloride and sulfuric acid are reacted in a furnace at elevated temperatures. The sodium sulfate is then recovered from the resulting sodium bisulfate byproduct. This process is more commonly used than the Glauber’s process today.
Salt Cake Process
This method involves the reaction of sodium chloride with sulfur dioxide (SO2) and oxygen (O2) in a reactor. The sodium sulfate produced is then separated and processed further.
Byproduct of Other Chemical Processes: Sodium sulfate can also be produced as a byproduct in various chemical and industrial processes, such as the production of hydrochloric acid or the purification of certain chemicals.
The choice of production method often depends on factors such as the availability of raw materials, cost-effectiveness, and the specific requirements of the end product. Sodium sulfate produced by industrial methods is commonly used in applications like the manufacturing of paper, detergents, textiles, and chemicals, among others.
What is Sodium sulfate used for
Sodium sulfate is used in a variety of industrial, commercial, and chemical applications. Its versatile properties make it valuable in several industries. Here are some of the common uses of sodium sulfate:
Detergents and Cleaning Products
Sodium sulfate is a key component in powdered detergents and cleaning products. It serves as a filler, anti-caking agent, and helps to improve the flowability of the detergent powder. Additionally, it can help to soften water, which enhances the cleaning efficiency of detergents.
Textile Industry
In the textile industry, sodium sulfate is used in dyeing processes. It helps to fix dyes to fabrics and can also aid in leveling the dye, ensuring uniform coloration. It is particularly useful in dyeing with reactive dyes.
Pulp and Paper Industry
Sodium sulfate is used in the production of paper and pulp. It acts as a pulping agent, helping to break down wood fibers and separate them from lignin. This is crucial in the papermaking process to produce high-quality paper.
Glass Industry
Sodium sulfate is used as a fining agent in the glass industry. It helps to remove impurities and bubbles from molten glass, resulting in clearer and more transparent glass products.
Chemical Industry
It is employed in various chemical processes and as a chemical reagent in laboratories.
Food Additive
In some food products, sodium sulfate is used as an acidity regulator and a firming agent. It is recognized as safe when used within acceptable limits and in accordance with food safety regulations.
Medicine (Historical Use)
In the past, sodium sulfate was used as a laxative, particularly in medicinal applications. However, its use for this purpose has declined in favor of safer alternatives.
Construction
Sodium sulfate can be used in the construction industry as an additive in cement and concrete to improve certain properties, such as workability and sulfate resistance.
Water Treatment
It may be used in water treatment processes to help remove calcium and magnesium ions, which can contribute to water hardness.
Leather Industry
Sodium sulfate can be used in tanning processes for leather production.
Oil Drilling
In the oil and gas industry, sodium sulfate may be used in drilling fluids to control the rheology and viscosity of the drilling mud.
These are some of the primary uses of sodium sulfate, and its applications can vary depending on the specific industry and requirements. It is important to note that the form and purity of sodium sulfate can vary, and different grades are used for different applications to meet specific quality and performance standards
Sodium sulfate market size
According to oec.world:
Sodium sulphates other than disodium sulphate are the world’s 4051st most traded product.
In 2021, the top exporters of Sodium sulphates other than disodium sulphate were China ($23.8M), Germany ($16.4M), United States ($14M), Spain ($13M), and Turkey ($5.19M).
In 2021, the top importers of Sodium sulphates other than disodium sulphate were Canada ($6.42M), France ($5.45M), Mexico ($5.38M), Zimbabwe ($4.57M), and Spain ($4.47M).
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