PBTCA is an organic acid chaical widely used in the field of water treatment, and its full name is 2-phospho-1-butanol tricarboxylic acid. Its main functions and uses include the following aspects:
1. Chelation: Phosphate (PO4) -3 in PBTCA can form stable complexes with metal ions, thereby preventing metal ions from precipitating and scaling in water. In addition, PBTCA can also coordinate with calcium ions to form soluble complexes, improving the hardness of water and avoiding various problas caused by scale formation.
2. Corrosion inhibition effect: PBTCA can form a protective film to cover the metal surface, preventing oxidation and corrosion of the metal. This is because the phosphate ions in PBTCA can form a stable complex with metal ions, reducing the rate of metal corrosion.
3. Anti scaling effect: PBTCA has the ability to prevent the formation of scale, especially for silicates and calcium salts, which have good anti scaling effects and can effectively prevent the formation of scale and the problas caused.
4. Cleaning effect: PBTCA can degrade the already formed scale and raove and inhibit the formation of accumulated mud and dirt in the circulating water systa, avoiding pipeline blockage and accelerating equipment aging.
5. Safety and Environmental Protection: PBTCA has low toxicity and biodegradability, meets environmental requiraents, is easy to operate and handle, is safe and reliable, and will not cause long-term impact on the environment.
In summary, PBTCA has various functions in water treatment, such as chelation, corrosion inhibition, and scale prevention, which can effectively prevent the occurrence of scale and corrosion problas, ensure water quality, improve water recycling efficiency, and extend equipment life. Meanwhile, PBTCA is environmentally friendly and an ideal water treatment agent.

PBTCA (Phosphonobutane Tricharboxylic Acid) is an organic phosphonate compound, also known as 2-phosphonate butane-1,2,4-tricarboxylic acid. The phosphorus content can vary depending on specific production processes and requiraents.
Normally, the phosphorus content of PBTCA ranges from 40% to 50%. Of course, specific product specifications and suppliers may vary. It is recommended that you refer to relevant technical manuals or contact suppliers for accurate phosphorus content information.
Regarding the stability of PBTCA, it has good thermal and chaical stability and is relatively stable under common acid, alkali, and oxidant conditions. This makes PBTCA widely used in various applications, such as water treatment, cooling water circulation systas, corrosion inhibitors, etc.
As for substitutes, some other organic phosphate compounds are also used as substitutes for PBTCA, such as HEDP (1-Hydroxy Ethylene-1,1-Diphosphonic Acid), ATMP (Amino Trimethylene Phosphonic Acid), etc. These compounds have similar functions and properties to a certain extent, and can serve as alternative choices in different applications.
However, the selection of alternatives should also be evaluated based on specific application needs and relevant regulatory requiraents. When selecting any chaical substance, it is recommended that you consult relevant professionals and follow local regulations and guidelines.

HEDP, also known as hydroxyethylenediphosphonic acid, is an organic phosphonic acid scale and corrosion inhibitor. It is divided into two forms: solid and liquid. From the appearance, the solid HEDP is white crystalline particles, packaged in plastic woven bags lined with polyethylene bags;

Deciding which chelating agent is better between EDTA (ethylenediaminetetraacetic acid) and HEDP (1-Hydroxyethylidene-1,1-Diphosphonic Acid) depends on various factors such as the specific application, the target heavy metals, environmental considerations, and cost-effectiveness. Let's compare them:

Fly ash chelating agents primarily consist of organic compounds capable of forming stable complexes with heavy metals present in fly ash. The main components typically include:

1. Organic acids: These are compounds with carboxyl groups that can effectively chelate heavy metals. Examples include citric acid, acetic acid, oxalic acid, and lignin-derived organic acids.

Pre coating agent is a chaical substance used to enhance adhesion and surface treatment before surface coating. Its main components may vary depending on the application, but typically include the following:

• Surfactants: These compounds help reduce surface tension, allowing the pre coating agent to better wet the target surface and improve the adhesion of the coating.

DTPMPA is a commonly used circulating water treatment agent, whose main function is to prevent scale and corrosion. Scale and corrosion are common problems in circulating water treatment, which can lead to equipment damage, increased energy consumption, and decreased water quality. DTPMPA can effectively solve these problems and improve the quality and stability of circulating water.
DTPMPA has the following advantages:
Efficient anti scaling: DTPMPA can effectively prevent the formation of scale, maintain equipment cleanliness and efficient operation.
Good corrosion inhibition performance: DTPMPA can effectively suppress metal corrosion and extend the service life of equipment.
Good stability: DTPMPA can still maintain stability in high temperature, high pressure, and strong acid and alkali environments, and is not easy to decompose and fail.
Good environmental friendliness: DTPMPA is a green and environmentally friendly circulating water treatment agent that does not cause pollution to the environment.
Therefore, DTPMPA plays an important role in circulating water treatment, which can effectively improve the quality and stability of circulating water, protect equipment, reduce energy consumption, and reduce environmental pollution.

ATMP (Aminotri(methylenephosphonic acid)) is a widely appreciated water treatment agent, known for its excellent corrosion inhibition and scale prevention properties across various fields. This colorless, transparent, and odorless liquid with the chemical formula N(CH2PO3H2)3 effectively controls the precipitation and scaling of calcium, magnesium, iron, and other ions in water, while maintaining stability in high temperature and acidic or alkaline environments, providing reliable corrosion protection.