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Showing posts from September, 2025

Study on the Corrosion Inhibition Performance of EDTMPS: Chelating Capacity and Application in Pulp Bleaching

 EDTMPS (sodium ethylenediaminetetra(methylenephosphonic acid)) is a highly effective organic phosphonic acid salt with strong chelating and dispersing properties. It is widely used in water treatment, textiles, papermaking, and other industries, demonstrating exceptional performance in preventing metal corrosion and removing heavy metal ions. The following section examines EDTMPS's chelating capacity toward various metal ions and its efficacy as a chelating agent in pulp bleaching processes. 1. Overview of EDTMPS Chemical Name: Sodium Ethylenediaminetetra(methylenephosphonic) Acid Molecular Formula: C₆H₁₂N₂O₁₂P₄Na₈ Molecular Weight: Approximately 735.99 Structural Formula: Contains multiple phosphonic acid groups capable of forming stable complexes with various metal ions. Properties: Highly soluble in water; insoluble in most organic solvents. Stable across a wide pH range. Excellent thermal stability and resistance to chlorine oxidatio...

Multiple Applications of HEDP (Hydroxyethylidene Diphosphonic Acid) in Agricultural Fertilizers and Its Soil Improvement Effects

 HEDP affects soil pH levels. Many soils suffer from acid-base imbalances due to improper fertilization and other issues. It can adjust soil reactions, creating conditions more favorable for crop growth. Additionally, HEDP enhances the long-term fertility of soil. It binds with certain substances in the soil, more effectively fixing nutrients and reducing fertilizer nutrient loss. Fertilizer Efficiency Enhancement When applied alongside conventional fertilizers, HEDP slows nutrient release and extends its active period. Taking nitrogen fertilizers as an example, nitrogen that would otherwise be easily lost can now be absorbed by crops more sustainably. Furthermore, this compound can enhance plants' uptake of trace elements in fertilizers to some extent, thereby improving fertilizer utilization efficiency. Crop Disease and Pest Resistance First, HEDP may influence plants' intrinsic defense systems. It can modulate certain physiological traits, granting plants stronger resistanc...

Manufacturers of Industrial Defoamers

 Shandong Kairui Chemical Co., Ltd. provides defoaming agent products. Below is some information about Kairui Chemical's defoaming agents: 1. Product Types: Shandong Kairui Chemical Co., Ltd. offers a variety of defoaming agent products, including silicone defoaming agents and polyether defoaming agents. 2. Application Areas: Defoamers find extensive use in industrial production, such as in water treatment, papermaking, textiles, printing and dyeing, coatings, and food processing industries. They control foam formation to enhance production efficiency and product quality. 3. Product Features: Defoamers effectively reduce surface tension in liquids, rapidly eliminate existing foam, and prevent new foam from forming. This prevents foam from disrupting industrial production processes. 4. Usage and Storage: Foam suppressants typically require dilution and addition based on specific application scenarios and needs. Store in a cool, dry, well-ventilated area, avoiding high temperatures a...

Primary Components and Formulation of Reverse Osmosis Scale Inhibitors

 Reverse osmosis scale inhibitors are chemical agents used to address membrane fouling and scale buildup issues in reverse osmosis (RO) water treatment systems. Primary components and formulations may vary across products and manufacturers, but typically include the following types of ingredients: Corrosion inhibitors: Prevent metal corrosion on membrane surfaces. Common inhibitors include phosphates, nitrites, etc. Dispersants/Scale Inhibitors: Prevent the formation and adhesion of scale deposits. Common dispersants include polymers (e.g., sodium polyacrylate) and organic acids (e.g., citric acid, sulfuric acid). Cleaning Agents: Remove existing scale deposits. Common cleaning agents include oxidizing agents (e.g., sodium hypochlorite or hydrogen peroxide) and acidic solutions (e.g., hydrochloric acid). pH Adjusters: Regulate water acidity/alkalinity to maintain optimal operating conditions. Common pH adjusters include alkaline substances (e.g., sodium hydroxide) or ac...

The Harmful Effects of Sodium Polyacrylate on the Human Body

 Sodium polyacrylate is a polymer commonly used in the production of various cosmetics, detergents, pharmaceuticals, and emulsions. In these products, sodium polyacrylate typically serves as a dispersant, stabilizer, thickener, and emulsifier. Based on current research findings, sodium polyacrylate does not pose significant harm to humans. When used as an additive in cosmetics and pharmaceuticals, its application is typically in small quantities that do not directly harm the human body. However, excessive use may cause skin irritation and allergic reactions. It is important to note that improperly processed or substandard sodium polyacrylate may contain residual harmful substances, posing potential risks to human health. Therefore, when selecting and using related products, choose reputable manufacturers and brands, carefully read product labels, and avoid excessive or improper usage. http://www.hedpblog.com/enzyme-capture-agent-manufacturer/

Primary Components and Formulation of Reverse Osmosis Scale Inhibitors

 Reverse osmosis scale inhibitors are water treatment chemicals used in reverse osmosis (RO) systems to prevent scale formation and deposits on membrane surfaces. Specific compositions and formulations may vary by brand and manufacturer, but generally include the following categories of components: Corrosion inhibitors: Added to scale inhibitors to reduce the risk of corrosion to metal membrane components. Common corrosion inhibitors include organic phosphates and inhibitor formulations. Stabilizers: Stabilizers maintain chemical equilibrium within the RO system, preventing soluble salts like calcium and magnesium from depositing on the membrane surface. Common stabilizers include buffering agents and complexing agents. Dispersants: Dispersants prevent the aggregation of fine particles, keeping them suspended and inhibiting contaminant scaling. Polymer compounds are frequently used as dispersants. Scale Inhibitors: Scale inhibitors reduce scaling tendencies by altering ...

Dodecyl Dimethyl Amine Oxide

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 CAS No. 1643-20-5 Molecular Formula: C 14 H 31 NO Molecular weight: 229.4 Structural Formula: Properties: Dodecyl Dimethyl Amine Oxide is a cocoamine oxide surfactant. This high foaming surfactant can be used in a broad number of industrial applications where coupling, detergency and compatibility are important. Among amine oxides, LDAO produces the most foam. Specification: Items Index Appearance Colorless to light yellow clear liquid Active content, % 29.0-31.0 Hydrogen peroxide, % 0.2 max Free amine, % 1.0 max PH(10% water solution) 6.0-8.0 Usage: Dodecyl Dimethyl ...

Tetradecyl Dimethyl Amine Oxide (OA-14)

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 CAS No. 3332-27-2 Molecular Formula: C 16 H 35 NO Molecular weight: 257.46 Structural Formula: Properties: Tetradecyl Dimethyl Amine Oxide (OA-14) is an amine oxide based zwitterionic surfactant with a C14 (tetradecyl) alkyl tail. It is used as a foam stabilizer and hair conditioning agent in some shampoos and conditioners. Like other amine oxide based surfactants it is antimicrobial, being slightly more effective than lauryldimethylamine oxide against the common bacteria S. aureusand E. coli. Specification: Items Index Appearance Light yellow transparent liquid Active content, % 25% min Free amine, % 1.0 max PH(10% water solution) 6.0-9.0 Usage: Tetradecyl Dimethyl Amine Oxide (OA-14) mainly u...

what is hedp and how it effects the water

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  Definition of HEDP HEDP is the abbreviation of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid . It is a commonly used water treatment agent, often used as scale and corrosion inhibitor in the field of water treatment, the molecular weight structural formula can be seen in the following chart, the product is widely used in industrial circulating cooling water system, printing and dyeing industry, electroplating industry and many other fields. CAS No. 2809-21-4 EINECS No. 220-552-8 Molecular Formula C 2 H 8 O 7 P 2 hedp molecular weight 206.02 hedp chemical structure Effects of HEDP on water quality Scale inhibition HEDP can form stable complexes with calcium, magnesium and other metal ions in water. For example, calcium and magnesium ions in water are easily combined with carbonate and other anions to form calcium carbonate, magnesium carbonate and other scale. The phosphonic acid group in HEDP can chelate with calcium and magnesium ions. It is like a “cage” wrapping up c...

hedp chemical structure

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  HEDP , known as 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid , is an organophosphonic acid compound. It is mainly used as a water quality stabiliser and chelating agent, and is widely used in household and industrial applications.HEDP has the chemical formula C 2 H 8 O 7 P 2 , and belongs to the phosphonate family, which can be further classified as a chelating agent, scale inhibitor, stabiliser and corrosion inhibitor. hedp chemical structure The structural formula of the related sodium salt of HEDP, HEDP 2NA, is as follows: Shandong Kairui Chemistry Co., Ltd. is a professional HEDP manufacturer, the company has advanced production equipment and management experience. OUR FACTORY GATE OUR FACTORY OVERVIEW HEDP WORKSHOP Welcome to visit our company! hedp chemical structure Contact Us    TEL: +86-632-3671188    FAX: +86-632-3671189 E-mail: export@krchemical.com    ADD: No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, ...

hedp chemical price trends

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 The price of chemical HEDP is influenced by many factors, such as raw materials, supply, market competition, policies and regulations. In addition different distances, different packaging, different manufacturers offer different prices. But the most important influencing factor is raw materials, and the main raw material of HEDP is phosphorus trichloride, here we look at the price of phosphorus trichloride: Overall the price of phosphorus trichloride is still a certain fluctuation, the recent fluctuations between 10-20%, if you want to know the latest price of HEDP can be directly with us, we as a larger manufacturer of water treatment chaicals, will provide the latest price! TEL:  +86-632-3671188 FAX:   +86-632-3671189 E-mail: export@krchemical.com ADD: No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China hedp chemical price trends

hedp molecular weight

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  hedp is a commonly used water treatment agent, the molecular weight of hedp is: 206.02 Below we have summarised the molecular weights of HEDP and related products: Product Name: Molecular weight hedp 206.02 HEDP•Na2 250 HEDP•Na4 294 ATMP 299.05 Through comparison, we found that the molecular weight of HEDP and related products is mostly between 200-300. hedp chemical structure Kairui Chemical is a professional HEDP manufacturer, if you need more information about this product, please contact: TEL: +86-632-3671188 FAX: +86-632-3671189 E-mail: export@krchemical.com ADD: Xuecheng Chemical Industrial Park,Zaozhuang City, Shandong Province, China hedp molecular weight

hedp chelating agent manufacturer

  hedp chelating agent manufacturer HEDP (Hydroxyethylidene Diphosphonic Acid), a commonly used chelating agent, finds extensive applications in water treatment, metal processing, and other fields. Several specialized manufacturers operate domestically, with the following three companies being particularly well-known: Shandong Kairui Chemistry Co., Ltd. Basic Information: Established in 2015 and located in Xuecheng District, Zaozhuang City, Shandong Province, it is one of the earliest enterprises to enter the water treatment chaical sector. Product Overview: Primarily manufactures water treatment chaicals including HEDP and ATMP, alongside series of scale inhibitors, corrosion inhibitors, and phosphate-free chelating agents. Products serve industrial circulating water systas, boiler water treatment, and other applications. Shandong Dongtao Chemistry Co., Ltd. Basic Information: With 15 years of specialization in water treatment, the com...