{"id":275,"date":"2026-09-02T01:30:41","date_gmt":"2026-09-01T17:30:41","guid":{"rendered":"http:\/\/www.aetux.com\/blog\/?p=275"},"modified":"2026-09-02T01:30:41","modified_gmt":"2026-09-01T17:30:41","slug":"what-are-the-different-types-of-anionic-polyacrylamide-available-43de-17d466","status":"publish","type":"post","link":"http:\/\/www.aetux.com\/blog\/2026\/09\/02\/what-are-the-different-types-of-anionic-polyacrylamide-available-43de-17d466\/","title":{"rendered":"What are the different types of Anionic Polyacrylamide available?"},"content":{"rendered":"<p>Hey there! I&#8217;m an anionic polyacrylamide (APAM) supplier, and today I wanna chat about the different types of APAM out there. APAM is a super useful chemical, and having a grasp of its various types can help you pick the right one for your needs. <a href=\"https:\/\/www.ecolink-environment.com\/polyacrylamide\/anionic-polyacrylamide\/\">Anionic Polyacrylamide<\/a><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.ecolink-environment.com\/uploads\/47482\/small\/cationic-flocculantb6126.jpg\"><\/p>\n<h3>Hydrolysis Degree Variations<\/h3>\n<p>One of the main ways we categorize APAM is by its hydrolysis degree. The hydrolysis degree refers to the proportion of amide groups in the polyacrylamide that have been converted into carboxyl groups.<\/p>\n<ul>\n<li>\n<p><strong>Low Hydrolysis Degree APAM<\/strong><br \/>\nThis type usually has a hydrolysis degree of around 5 &#8211; 15%. It&#8217;s got a relatively low negative charge density. Low hydrolysis degree APAM is great for applications where you need good flocculation in low &#8211; turbidity water. For example, in some groundwater treatment projects, where the water is relatively clean but still has some fine particles that need to be removed. The low charge allows it to interact gently with the particles, forming loose flocs that can settle relatively easily. It&#8217;s also used in some papermaking processes. In papermaking, it helps in the retention and drainage of fibers, and the low negative charge doesn&#8217;t interfere too much with other additives in the paper pulp.<\/p>\n<\/li>\n<li>\n<p><strong>Medium Hydrolysis Degree APAM<\/strong><br \/>\nWith a hydrolysis degree ranging from 15 &#8211; 30%, medium hydrolysis degree APAM strikes a balance. It has a moderate negative charge density. This type is extremely versatile. In wastewater treatment from industrial processes like food processing, it can effectively flocculate a wide range of contaminants. The medium charge allows it to interact well with both positively and negatively charged particles in the wastewater. It&#8217;s also used in soil conditioning. In agriculture, it can improve soil structure by binding soil particles together, reducing soil erosion and increasing water infiltration.<\/p>\n<\/li>\n<li>\n<p><strong>High Hydrolysis Degree APAM<\/strong><br \/>\nHigh hydrolysis degree APAM has a hydrolysis degree above 30%. It has a high negative charge density. This type is ideal for treating highly turbid water with a large amount of negatively charged particles. In mining wastewater treatment, for instance, where there are lots of fine clay and mineral particles, the high &#8211; charge APAM can quickly neutralize the charges of these particles and form large, dense flocs. The dense flocs settle rapidly, separating the solids from the liquid effectively.<\/p>\n<\/li>\n<\/ul>\n<h3>Molecular Weight Differences<\/h3>\n<p>Another important factor in APAM classification is its molecular weight.<\/p>\n<ul>\n<li>\n<p><strong>Low Molecular Weight APAM<\/strong><br \/>\nLow molecular weight APAM typically has a molecular weight of around 1 &#8211; 5 million. It acts more like a dispersant. In the textile industry, it can be used to disperse dyes in the dyeing process. The low molecular weight allows it to penetrate easily between the dye molecules and the fabric fibers, ensuring a more uniform distribution of the dye. In oil &#8211; well drilling, it can help in stabilizing the mud by preventing the aggregation of clay particles. It gives the mud a better rheological property, which is crucial for the smooth operation of the drilling process.<\/p>\n<\/li>\n<li>\n<p><strong>Medium Molecular Weight APAM<\/strong><br \/>\nMedium molecular weight APAM, with a molecular weight in the range of 5 &#8211; 10 million, is often used for flocculation and sedimentation in normal wastewater treatment. It&#8217;s good at quickly aggregating particles in municipal sewage treatment. The medium &#8211; sized molecules can bridge between different particles, forming larger flocs that settle out of the water. It&#8217;s also used in the dewatering of sludge from wastewater treatment plants. It helps in squeezing out the water from the sludge, making it easier to handle and dispose of.<\/p>\n<\/li>\n<li>\n<p><strong>High Molecular Weight APAM<\/strong><br \/>\nHigh molecular weight APAM has a molecular weight above 10 million. It&#8217;s a powerhouse when it comes to flocculation. In industrial effluent treatment where there are large &#8211; volume and high &#8211; concentration suspensions, high &#8211; molecular &#8211; weight APAM can form very large and strong flocs. In the iron and steel industry&#8217;s wastewater treatment, it can quickly remove heavy metal particles and other solid impurities. The long &#8211; chain molecules can entrap a large number of particles, causing them to settle rapidly and clarify the water.<\/p>\n<\/li>\n<\/ul>\n<h3>Modified APAM Types<\/h3>\n<p>Apart from hydrolysis degree and molecular weight, there are also some modified forms of APAM.<\/p>\n<ul>\n<li>\n<p><strong>Cross &#8211; linked APAM<\/strong><br \/>\nCross &#8211; linked APAM is formed by adding cross &#8211; linking agents during the polymerization process. This gives it a three &#8211; dimensional network structure. It has better stability and resistance to high temperatures and high salinity. In oil field flooding operations, where the injected water often has high salinity and the reservoir temperature can be relatively high, cross &#8211; linked APAM can maintain its flocculation and thickening properties. It helps in improving the oil displacement efficiency by modifying the fluid flow characteristics in the reservoir.<\/p>\n<\/li>\n<li>\n<p><strong>Graft &#8211; copolymerized APAM<\/strong><br \/>\nGraft &#8211; copolymerized APAM is made by grafting other monomers onto the polyacrylamide backbone. For example, some functional monomers can be grafted to enhance its special properties. If we graft monomers with adsorption groups, the APAM can have better adsorption performance for specific pollutants. In the treatment of heavy &#8211; metal &#8211; contaminated wastewater, graft &#8211; copolymerized APAM can selectively adsorb heavy metal ions, removing them from the water more effectively.<\/p>\n<\/li>\n<\/ul>\n<h3>Choosing the Right APAM<\/h3>\n<p>Picking the right type of APAM depends on several factors:<\/p>\n<ul>\n<li><strong>Nature of the Wastewater or Application<\/strong><br \/>\nIf you&#8217;re dealing with a wastewater with mainly fine, negatively charged particles, a high &#8211; hydrolysis degree and high &#8211; molecular &#8211; weight APAM might be the way to go. For a less &#8211; turbid water or a process that requires gentle flocculation, a low &#8211; hydrolysis degree and low &#8211; molecular &#8211; weight APAM could be more appropriate.<\/li>\n<li><strong>Operating Conditions<\/strong><br \/>\nHigh &#8211; temperature and high &#8211; salinity environments call for modified APAM like cross &#8211; linked APAM. If the process has a specific requirement for adsorption of certain substances, graft &#8211; copolymerized APAM might be the solution.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.ecolink-environment.com\/uploads\/47482\/small\/industrial-water-filtration-system73eeb.jpg\"><\/p>\n<p>As an APAM supplier, I&#8217;ve seen firsthand how the right type of APAM can make a huge difference in various applications. If you&#8217;re in the market for APAM and not sure which type to choose, don&#8217;t hesitate to reach out. We can work together to test different types and find the best one for your specific situation. Whether you&#8217;re in the water treatment industry, agriculture, mining, or any other field that uses APAM, we&#8217;ve got the expertise to help you make the right choice.<\/p>\n<p><a href=\"https:\/\/www.ecolink-environment.com\/polyaluminium-chloride\/\">Polyaluminium Chloride<\/a> So, if you&#8217;re interested in purchasing anionic polyacrylamide, or if you have any questions about which type suits your needs, just drop me a message. We can then talk about the details, pricing, and delivery options. Looking forward to chatting with you and helping you find the perfect APAM solution!<\/p>\n<h3>References<\/h3>\n<ul>\n<li>Handbook of Polyacrylamide and Its Applications, 2nd Edition<\/li>\n<li>Journal of Environmental Science and Technology: Research on Anionic Polyacrylamide in Wastewater Treatment<\/li>\n<li>Industrial Chemicals Encyclopedia: Anionic Polyacrylamide Section<\/li>\n<\/ul>\n<hr>\n<p><a href=\"https:\/\/www.ecolink-environment.com\/\">Shandong Ecolink Technology Co., Ltd.<\/a><br \/>Shandong Ecolink Technology Co., Ltd. is one of the most reliable anionic polyacrylamide manufacturers and suppliers in China. We warmly welcome you to wholesale bulk high quality anionic polyacrylamide from our factory. If you have any enquiry about cooperation, please feel free to email us.<br \/>Address: No. 8, Xiaying Chemical Industry Park, Aobu Road, Xiaying Town, Changyi City, Weifang City, Shandong Province\uff0cChina<br \/>E-mail: sale02@ecolink-environment.com<br \/>WebSite: <a href=\"https:\/\/www.ecolink-environment.com\/\">https:\/\/www.ecolink-environment.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hey there! I&#8217;m an anionic polyacrylamide (APAM) supplier, and today I wanna chat about the different &hellip; <a title=\"What are the different types of Anionic Polyacrylamide available?\" class=\"hm-read-more\" href=\"http:\/\/www.aetux.com\/blog\/2026\/09\/02\/what-are-the-different-types-of-anionic-polyacrylamide-available-43de-17d466\/\"><span class=\"screen-reader-text\">What are the different types of Anionic Polyacrylamide available?<\/span>Read more<\/a><\/p>\n","protected":false},"author":141,"featured_media":275,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[238],"class_list":["post-275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-anionic-polyacrylamide-4508-1804a2"],"_links":{"self":[{"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/posts\/275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/users\/141"}],"replies":[{"embeddable":true,"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/comments?post=275"}],"version-history":[{"count":0,"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/posts\/275\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/posts\/275"}],"wp:attachment":[{"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/media?parent=275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/categories?post=275"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.aetux.com\/blog\/wp-json\/wp\/v2\/tags?post=275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}