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    Soda Ash Light (99,2%) - China

    Soda Ash Light (99,2%) - China in Tradeasia

    IUPAC Name

    Disodium Carbonate

    Cas Number


    HS Code




    Basic Info


    White Crystal Powder

    Common Names

    Soda Ash Light


    40 kg PP/PE bags

    Brief Overview

    Soda ash is available in three different grades, namely dense soda ash, light soda ash, and washing soda. Soda ash light is also called an anhydrous sodium carbonate with the chemical formula Na2CO3. It is a white, odorless granular powder soluble in water and forms a strongly alkaline aqueous solution. It is also hygroscopic and absorbs moisture from the atmosphere, causing it to clump together. It exists mainly in its monohydrate form but in the decahydrate and heptahydrate forms.

    Soda ash light sources spontaneously form from sodium deposits, and sodium deposits have undergone long-term geological processes such as igneous rock erosion, sodium sediment transport, and chemical reactions. Under weathering, sodium deposits are first released from igneous rocks. Then they were washed off, flowed down, and collected in the basin. When exposed to carbon dioxide, it produces soda ash.

    Manufacturing Process

    Solvay Process

    In 1861, Belgian chemist Ernest Solvay developed the Solvay process, a more efficient method to convert sodium chloride to soda ash light. In the Solvay process, ammonia reacts with sodium chloride with the aid of calcium carbonate. Sodium bicarbonate is produced, and it is then heated and converted to soda ash light.

    Hou Process

    In 1930, Chinese chemist Hou Debang developed the Hou process. In this process, carbon dioxide is pumped through a saturated solution of sodium chloride and ammonia to form sodium bicarbonate. The precipitated sodium bicarbonate is then heated, yielding pure soda ash. The Hou process is a modified version of the Solvay process, and the commonly used method is still the Solvay process.

    Detergent Industry 

    Soda lights are used as water softeners in washing machines. It competes with the magnesium and calcium ions in hard water, preventing them from combining with the detergent. In addition, it helps to remove grease and wine stains. It is also used as a filter and pH regulator when controlling the pH is critical in manufacturing.

    Textile Industry 

    Soda ash light is used for dyeing and added to ensure proper adhesion of the dyes to the cellulosic fibers. Adding soda ash light can be done before dyeing, after dyeing, or before mixing with the dye. It also helps bleach and is used for de-acidifying spun rayon, Tencel, or hemp. In addition, it is used to increase the pH of the reaction because the dyeing process requires an ideal pH value.

    Paper Industry 

    Soda ash light is used as a pH adjuster in the pulping process because of the need for precise and constant pH control to increase efficiency. It also helps neutralize the waste stream and dispose of waste paper. In addition, it softens the wood chips and controls the pH conditions during pulp cooking.

    Intermediate Chemical

    Soda ash light is a crucial reactant used to manufacture other sodium-containing chemicals, such as sodium hydroxide, sodium bicarbonate, and sodium silicate. Soda ash light is also added to boiling water to effectively remove flesh from skulls and bones. This is an alternative method compared to insects' use for bone cleansing.

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