Water Treatment Chemicals

What is Water Treatment Chemicals

Disinfection. After the water has been filtered, water treatment plants may add one or more chemical disinfectants (such as chlorine, chloramine, or chlorine dioxide) to kill any remaining parasites, bacteria, or viruses.

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Biocides
Biocides are used to inhibit the formation of, or kill existing biological growth (algae, bacteria, yeast, fungi, slime, etc). Uncontrolled biological growth can have an adverse effect on many...
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Organic Coagulants
This product gathers electrolyte for the strong cation, appearance is colorless to light yellow viscose liquid, freezing point:-2.8°, resolve temperature 280-300°C. Be dissolved in water easily,...
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High Viscosity Flocculants
High viscosity flocculants is cationic polymer in liquid form, it can be widely used in industrial waste water and surface water purification as well as sludge thickening and dewatering. It can...
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Sludge Treatment Chemicals
Sludge treatment chemicals is an innovative, high-performance patented organic polymer. Its specific chemical properties make it have strong electrical neutralization, and is specially used for...
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Coal Washing Water Chemicals
The coal washing water chemicals is a strong cationic polyelectrolyte, and its appearance is a colorless to pale yellow viscous liquid with a freezing point of about -2.8 °C，a specific gravity of...
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Swimming Pool Clarifiers
Swimming pool clarifier is a polymer resin, not an ordinary polyacrylamide product, and it has no irritation to the skin and high safety. It is non-foam, non-toxic, non-irritating, stable, and...
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Biocides
Biocides is a cationic polymerization bactericidal algicide, which can be used to configure excellent agents for controlling algae in swimming pools. It effectively inhibits various floating green...
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Polyquaternium PQ
This product is a cationic polymerized biological bactericide, which can effectively inhibit the growth of algae and slime-forming bacteria in industrial circulating cooling water; this product...
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Aquaculture Water Purifying Agent
Aquaculture water purifying agent is a polymer resin, which can improve the quality of pond water due to excessive feeding, inefficient application of fertilizers, excessive accumulation of...
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What is Organic Coagulants

Organic Coagulants are heavy metal free chemicals based of dicyandiamide polymers (decolorant), polyamines, polyadmac and hybrid mixtures. They are used as coagulants in industrial wastewater treatment plants to remove contaminants from wastewater. Their application ensure to reach appropriate limit values in AKM, COD, color and other required parameters of wastewater, improve water quality and thus release to discharge of clean water to receiving environment. The use of coagulants contributes to increase the efficiency of flocculants used in sludge dewatering in treatment systems.

Application of Organic Coagulants in Water and Wastewater Treatment

Coagulation is an essential mechanism that occurs in most conventional water and wastewater treatment plants. This occurs in a physical purification unit involving transport processes and the addition of coagulants for chemical reactions, charge neutralization, and formation of smaller flocs to agglomerate into larger flocs. This enhances the effective removal of recalcitrant contaminants by downstream processes. However, poor treatment of wastewater might have a high negative impact on biodiversity and the environment in general. This chapter seeks to address the limitation of employing inorganic coagulants by evaluating the efficiency of organic coagulants and exploring the factors and mechanism governing coagulation in a physiochemical treatment process of water and wastewater resources. The effect of pH, coagulant type and dosage to ease the high sludge production and discharge of residual metals into the downstream waters is addressed. The emerging of organic coagulants and technology to mitigate the performance and recovery of mineral coagulants from wastewater treatment residual is been proposed.

What Are the Advantages of Using Organic Coagulants

Organic coagulants are also cost-efficient since they can be used at much lower concentrations while still being effective in a variety of applications. This approach also naturally produces significantly less sludge to dispose of, lowering costs yet again.

Organic coagulants, unlike inorganic coagulants, do not absorb alkalinity from the liquids they are added to, which helps to reduce pH and conductivity fluctuations. Furthermore, due to the coagulant's composition, there is no increase in salt in the liquid, thus any concerns about pollution are considerably decreased.

Organic coagulants' qualities when combined, help to overcome many of the issues of wastewater treatment, allowing businesses to run safer, more sustainable operations.

Organic Coagulant Market Summary

Organic Coagulant Market size was valued at USD 1,983.7 million in 2022 and is poised to grow at a significant CAGR of 8.0% from 2023-2029. Organic Coagulants are generally synthesized monomers of aluminum and iron-based coagulants that are used in wastewater settings for floc buildings. They are water-soluble in wastewater treatment they are used to remove a wide variety of hazardous materials ranging from organic matter and pathogens to inorganic and toxic materials like chemical phosphorous, fluoride and arsenic. According to global trends, in high-income countries, municipal and industrial wastewater treatment is about 70%. Furthermore, they are used as part of the pulp, paper and textile manufacturing process, and in oil, gas and mining operations. Based on its use in the pulp and paper industry, textile industry, dye waste, vegetable tannery and palm oil effluent industry, the organic coagulant market is anticipated to show significant growth over the forecasting period.

The rising awareness about organic coagulants over inorganic coagulants owing to their biodegradability and the increased stringent laws that government imposes for the discharge and disposal of wastewater from the industries has led to a tremendous rise in the market that is further expected to rise in the forecast years. However, the COVID-19 pandemic led to a significant drop in the organic coagulant market. In addition, the disruption in the supply of raw materials led to decreased production and an increase in the cost of organic coagulants. Also, organic coagulants are sensitive to changes in pH and temperature further decreasing their market. However, the increased necessity to monitor and regulate water quality, increased awareness of the population towards biodegradable products, governmental initiatives to safeguard watersheds and drinking water sources, tight environmental regulatory framework, developing technologies and increased urbanization has heightened the overall growth of the market.

Organic Coagulants Are Typically Based on the Following Formulations

PolyAMINEs and PolyDADMACs

These cationic coagulants work by charge neutralization alone and are the most widely used organic coagulants. PolyAMINEs and PolyDADMACs neutralize the negative charge of colloids in your water, forming a spongy mass called a ‘‘microfloc.' ' Since they only coagulate through charge neutralization, they don' t offer any advantages in regard to the sweep-floc mechanism (explained later with inorganic coagulants).

Melamine Formaldehydes and Tannins

These natural coagulants work somewhat similarly to inorganic coagulants in that they both coagulate colloidal material in the water and also contribute their own precipitated floc. This sweep-floc precipitate can absorb organic materials such as oil and grease while coagulating unwanted particles together in your water. Since the precipitate dewaters everything to low moisture concentration, these coagulants are great for operations that generate hazardous sludge, such as what' s found in oil refineries.

The Main Components of High Viscosity Flocculants

Polyacrylamide

Polyacrylamide (PAM) is the main component of flocculants and has a highly effective water treatment effect. PAM is a synthetic high molecular weight chemical with an effective substance content of usually 90% or 95%, and its appearance is white particles or powder.

Aluminum Chloride

Polyaluminum chloride is a commonly used flocculant in water treatment. It is composed of aluminum as the main component and auxiliary agents such as chloride are added to form a high molecular weight compound.

Ferric Chloride

Ferric chloride is one of the main components of flocculants. Ferric chloride plays a key role in flocculants because it has a good coagulation effect. When added to water, ferric chloride can quickly combine with impurities in the water to form large particles, which are easier to remove from the water.

Aluminum Sulfate

Aluminum Sulfate is one of the main components of flocculants. Aluminum sulfate has a good flocculation effect and can effectively remove suspended matter and impurities in water.

Ferric Sulfate

Ferric sulfate is one of the main components of flocculants. Ferric sulfate has a good flocculation effect and can effectively remove suspended matter and impurities in water.

Zeolite

Zeolite is a main component of flocculants. Zeolite has a unique pore structure and adsorption capacity, which makes it effective in removing impurities and pollutants from water. In flocculants, zeolite works together with other ingredients to improve water quality.

Montmorillonite

Montmorillonite is one of the main ingredients of flocculants. Montmorillonite is a natural clay mineral with high cation exchange capacity and adsorption properties.

Diatomaceous earth

Diatomaceous earth is a commonly used main ingredient of flocculants. It is a sedimentary rock left by diatoms, mainly composed of silicate minerals.

Principle of Water Purification by High Viscosity Flocculant

Water, as an important domestic and industrial water, contains a variety of suspended particles and dissolved substances. If it is not treated, it will affect our lives and industrial production. Flocculants are chemical agents used to purify water quality. By adding flocculants, the impurity particles suspended in the water can be formed into flocs, which are convenient for precipitation and filtration, thereby achieving the purpose of purifying water quality.

The main function of flocculants is to use the charge effect or adsorption effect to make small particles in the water condense into larger clumps, which are convenient for precipitation and filtration. Specifically, flocculants react chemically or physically with impurity particles in the water, causing them to condense into larger particles, forming colorless and transparent flocculent substances, called flocs. These flocs can be removed by natural sedimentation or mechanical filtration, thereby achieving the purpose of purifying water quality.

Five Key Aspects to Consider When Selecting a High Viscosity Flocculant

Ease of Use
The preparation of flocculants can be challenging and time-consuming. For example, powder and emulsion flocculants must be dissolved and matured for a long period of time. Therefore, the use of equipment such as pumps and agitator tanks may affect the flocculant you choose.

Application
Selecting flocculants for different types of wastewater is a complex challenge, with varying concentrations of substances such as TSS, phosphorus and nitrogen, creating uncertainty on a daily basis. This is particularly tricky for businesses such as meat processors, who must adjust the flocculation chemistry based on the composition of the wastewater.

Safety
Every interaction between humans and chemicals in an industrial process poses a risk. Therefore, flocculants that allow for full automation are advantageous. The ease of cleaning up hazardous spills is also a key factor in selecting the right flocculant.

Sustainability
The treatment of water brings with it impacts on the environment. The reduction of these impacts is of increased concern for regulators and water treatment operators. The choices of flocculants used can make an impact here with some options requiring lower volumes of chemical use, reduced energy consumption and lower biological impacts. In some cases customers are setting requirements on the environmental profiles of such water treatment chemicals.

Cost
Companies often only see and evaluate the initial cost of purchase. However, this is not always the full picture. The total cost of the wastewater purification process includes many aspects, such as energy, clean water expenditures, sludge disposal costs, environmental permit costs, chemical distribution.

Precautions for Storing High-Viscosity Flocculants

Appropriate storage conditions

Storage conditions of flocculants directly affect their stability and effectiveness. Flocculants should be stored in a cool, dry place, away from direct sunlight and high temperature environments. At the same time, ensure that the container is sealed to prevent moisture and air pollution.

Pay attention to the storage period

Expired flocculants may lose their effectiveness and even produce harmful substances. Therefore, the expiration date of stored flocculants should be checked regularly and expired products should be disposed of in a timely manner.

Safe storage

Some flocculants contain harmful substances, so special attention should be paid to safety during storage. Children and pets should not be allowed to come into contact with flocculants, and storage near food and beverages should be avoided.

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Zhangjiagang Cpolymer Eco-Technologies Co., Ltd. is a professional manufacturer and supplier of Function monomers, Polymer series, Water treatment chemicals, Pulp & Paper additives, Textile dyeing auxiliaries, Oilfield additives, Pharmaceutical intermediates, Auxiliaries for Household Chemicals, with decades of experience in production, R&D, and application service.

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FAQ

Q: What is the difference between organic coagulants and inorganic coagulants?

A: Furthermore, unlike inorganic coagulants, organic coagulants do not consume any alkalinity from the liquid they are added to, this helps to minimise any pH or conductivity changes.

Q: What are organic coagulants?

A: Organic coagulant is a type of chemical used in water treatment that contains carbon-based compounds.

Q: What two types of coagulants are used most often?

A: Aluminum sulfate, commonly known as alum, and ferric chloride are popular and widely used. However, in order to be effective, the coagulant must be applied and added to the process water properly. Determining the amount and type of coagulant used changes based on a variety of process conditions.

Q: Is coagulant safe?

A: Natural coagulants are polyelectrolytes, which can be anionic, cationic, or neutral polymers . They are safe and cost-effective with a great capacity to maintain the pH of the water being treated.

Q: What substance can be used as a coagulant?

A: Traditional chemical coagulation uses aluminum and iron coagulants. The most common aluminum coagulants are aluminum sulfate, aluminum chloride, and sodium aluminate. Iron coagulants include ferric sulfate, ferrous sulfate, ferric chloride, and ferric chloride sulfate.

Q: What two types of coagulants are used most often?

Q: How do I choose a coagulant?

A: The choice of coagulant chemical depends upon the type of suspended solid to be removed, raw water conditions, facility design, and cost of chemical. Final selection of coagulant (or coagulants) should be made with jar testing and plant scale evaluation.

Q: What is the viscosity of flocculants?

A: The viscosity behavior of polymeric flocculant solutions is discussed in terms of hydrodynamic and electroviscous effects. The importance of the hydrodynamic effects is shown by the molecular weight dependence of reduced viscosity of the cationic polymers.

Q: What are the different types of flocculants?

A: Flocculants are divided into inorganic flocculants,organic synthetic polymer flocculants,natural polymer flocculants,and composite flocculants. 1. Inorganic flocculant Inorganic salt flocculants are mainly divided into aluminum salt and iron salt.

Q: What can I use instead of flocculant?

A: Aluminum-containing FM can be used as a replacement for flocculants containing iron chloride, although appropriate process adjustments are then required. In principle, organic flocculants are also effective and suitable for the flocculation process itself.

Q: What is another name for a flocculant?

A: Flocculants, or flocculating agents (also known as flocking agents), are chemicals that promote flocculation by causing colloids and other suspended particles in liquids to aggregate, forming a floc.

Q: Will flocculant remove dead algae?

A: While pool flocculant can effectively remove dead algae from your water, it is not a stand-alone solution for preventing or removing algae. Regular pool maintenance, including proper disinfection, filtration, and circulation, is critical to preventing algae growth.

Q: Can you run flocculant through filter?

A: For one, flocculants shouldn't be used with cartridge filters, while clarifiers are safe for all of them. Also, clarifiers require a lot less elbow grease and waste less water because you don't need to vacuum afterwards.

Q: Advantages of organic coagulants?

A: Enable relatively low charge density to neutralise lower charged suspended particles, more effectively. Produce longer polymer chains that enhance microfloc formation without metals or hydroxides
Capable of removing a portion of the organic precursors which may combine with chlorine to form disinfection by-products
Produce small floc volume
Liquid forms, non-corrosive, ready for direct use.
Do not impact and are rarely or marginally affected by pH

Q: What is Organic and Inorganic Coagulants in Wastewater treatment?

A: Pre-treatment activities in water and wastewater treatment systems are important for maintaining equipment performance and longevity, such as membrane filters. A coagulation stage is included in many systems to encourage small suspended materials to clump together, making them easier to remove. Coagulants can remove a wide range of dangerous contaminants from water, including organic waste and pathogens, as well as inorganics and poisonous compounds including arsenic, chemical phosphorus, and fluoride. Filtration membranes will not foul, rip, or clog as quickly as they would if the bigger particles in the solution were not removed.

Q: Does organic coagulants works on water treatment?

A: Organic coagulants have shown effectiveness in water treatment processes, offering a sustainable and environmentally friendly alternative to chemical coagulants . Studies have highlighted the use of natural polymer coagulants like moringa seed and tamarind seed, which have demonstrated the ability to reduce turbidity and remove pollutants from water . Additionally, research has emphasized the importance of multiple barrier treatments, combining organic coagulants like chitosan with sand filtration to enhance microbial and turbidity reductions in water, meeting WHO performance standards for safe drinking water . Natural coagulants have been praised for being economical, non-toxic, and environmentally friendly, making them a valuable option for water treatment applications, especially in areas where access to safe water sources is limited.

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water treatment chemicals, aquaculture water treatment, high viscosity flocculants