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This section provides an overview for flocculants as well as their applications and principles. Also, please take a look at the list of 11 flocculant manufacturers and their company rankings. Here are the top-ranked flocculant companies as of January, 2025: 1.CONDAT, 2.CTX Pro, 3.Ecologix Environmental Systems, LLC.
Table of Contents
A polymer flocculant is a polymeric agent that neutralizes the surface charge of particles suspended in water and causes them to flocculate.
It is mainly used to coagulate and suspend precipitate particles that cause pollution in wastewater.
A flocculant can be anionic, cationic, nonionic, or amphoteric, depending on the surface charge of the particles to be flocculated.
Flocculants are used in the following industrial applications: sludge concentration, volume reduction, and ore dressing.
Flocculants are not used in wastewater treatment. If flocculant remains, it may cause organic contamination of ion exchange equipment or reverse osmosis equipment.
Figure 1. Image of flocculation by polymer flocculant
The mechanism by which flocculants cause flocculation and precipitation is as follows:
Figure 2. Major flocculants
Care must be taken in adjusting pH during sedimentation. This is because precipitation does not occur unless the pH environment is appropriate, and there is a risk of re-dissolution after precipitation. In addition, if more flocculants are added than the required amount, adsorption to the flocculants will occur first, resulting in insufficient cross-linking, making it difficult for flocculation to occur.
The appropriate pH for each flocculant is as follows
Anionic flocculants: pH 7 to 12
Cationic flocculants: pH 4-8
Nonionic flocculants: pH 4-8
Figure 3. Monomer structures of major polymer flocculants
Flocculants can be classified in terms of ionicity and shape.
As mentioned above, flocculants can be anionic (anions), cationic (cations), nonionic (non-ions), or amphoteric, depending on the charge they carry. Anionic and nonionic types are mainly used to cross-link particles that have formed basic flocs with inorganic and organic coagulants and to turn them into coarse flocs. Cationic flocculants are often used to dewater biologically treated sludge.
Flocculants are distributed in solid powder form and emulsion form. Powdered products are easy to handle for transportation and storage, but care must be taken when using them because of their low solubility. Usually, the powder is put into water in small quantities and stirred. If a large amount is added at once, only the surface will swell, and the undissolved particles may adhere to each other and form a large mass.
Dissolving itself also takes more time than emulsion-type products, and it is necessary to wait for a while while stirring. In addition, since the powder form absorbs moisture, it must not be stored in water. to use emulsion products if the flocculants tank is located outdoors.
Emulsion products are easier to dissolve than powder products and dissolve relatively quickly.
To select the best flocculants, it is necessary to consider various conditions. There are various factors such as the composition of the raw water to be added, pH fluctuation range, optimum amount to be added, temperature at the time of use, and the feeding point of the facility. In many cases, the type of additive is changed between summer and winter.
In the selection process, we conduct coagulation sedimentation tests (jar tester, cylinder tester, etc.) and dehydration desk tests (centrifugal dehydration test, belt press dehydration test, etc.) to select the appropriate brand and treatment conditions, followed by testing on actual equipment.
*Including some distributors, etc.
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Ecologix Environmental Systems, LLC, founded in 2002 with headquarters in the USA, is a manufacturer of wastewater treatment systems and equipment. The company's products include activated carbon, glass filtration media, bag filters and vessels, and floc tubes. Ecologix Environmental Systems complete systems include BIO-CLEAR packaged treatment plants, floctube and chemical reaction tanks, integrated bio-reactor biological sewage treatment systems, and moving bed biofilm reactors used for the treatment of wastewater for the oil and gas, food, manufacturing, and automotive industries.
ChemREADY, founded in 1982 and based in Ohio, United States, is a manufacturer of water treatment chemicals and equipment for wastewater systems. The company offers chemical products and Matec equipment for water and wastewater systems using water treatment technologies and distributes them to customers worldwide. Various wastewater chemicals that are offered include biological augmentation, glycol fillers, biocides, flocculants, and oxygen scavengers. Various industries to which the water treatment solutions are catered include mining, manufacturing, healthcare facilities, and chemical treatment plants.
Kemira Oyj, founded in 1920 and based in Helsinki, Finland, is a manufacturer of chemicals. The company has categorized its customers into pulp & paper and industry & water and has been supplying its products to water-intensive industries. The pulp & paper segment has customers related to industries such as pulp, packaging, board, printing, and writing, whereas the industry & water segment has customers in oil & gas, industrial water, and wastewater treatment plants. The company has 60 manufacturing units across the globe.
Aries Chemical, Inc., founded in 1985 and based in New York, United States, is a manufacturer of wastewater treatment equipment and systems. The company offers wastewater chemicals equipment and supplies to industrial, municipal, and institutional customers worldwide. Apart from this, the company also manufactures process aids for pulp and paper and industrial cleaners and sanitizers for different industrial applications. Various industries to which the chemicals and equipment to treat water are supplied include oil & gas, dairy & milk processing, chemical processing, aerospace industry, and mining and mineral processing.
TOAGOSEI CO., LTD, founded in Nagoya, Japan in 1944 is a manufacturer of commodity chemicals, adhesive materials and plastics. The company's product portfolio includes Acrylic acid used as a raw material in acrylic polymers, Synthetic hydrochloric acid, Sodium hypochlorite and Liquid chlorine, Their products find application in the disinfection of water, sewerage and pool, pulp bleaching, food industries, water and wastewater treatment, and ballast water purification. Their products are used in industries such as Food and Beverage , Pharmaceutical and Biotechnology, Chemical and Petrochemical, Environmental Testing and healthcare.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | CONDAT |
15.3%
|
| 2 | CTX Pro |
12.1%
|
| 3 | Ecologix Environmental Systems, LLC |
10.8%
|
| 4 | TOAGOSEI CO., LTD |
9.1%
|
| 5 | SERVYECO |
8.9%
|
| 6 | Aries Chemical, Inc. |
8.6%
|
| 7 | Jiaozuo Hongdali Biochemical Co., Ltd. |
8.4%
|
| 8 | Biomicrogel Group |
8.1%
|
| 9 | ChemREADY |
8.1%
|
| 10 | Kemira Oyj |
5.7%
|
Derivation Method
The ranking is calculated based on the click share within the flocculant page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 60.0% |
Spain
|
1 | 20.0% |
Japan
|
1 | 20.0% |
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