ATMP Manufacturing | Amino Trimethylene Phosphonic Acid

What are the environmentally friendly scale inhibitors

Thu, 21 Nov 2024 14:33:53 +0800

Environmentally friendly scale inhibitors are those chemicals that are effective in preventing scaling in water treatment systems while having a low environmental impact. These scale inhibitors are usually well biodegradable, contain no or few environmentally harmful components, and have a low negative impact on the ecosystem during production and use. The following are some common environmentally friendly scale inhibitors and their characteristics:

1. Polyaspartic acid (PASP)

Features: PASP is a biodegradable polymer with good scale inhibition and dispersion properties. It can form stable complexes with calcium and magnesium ions to prevent scaling.
Application: Widely used in circulating cooling water system, boiler water treatment, reverse osmosis system, etc.
Environmental advantages: PASP can be decomposed by microorganisms in nature and will not cause persistent pollution.

2. Polyepoxysuccinic Acid (PESA)

Characteristics: PESA is an efficient scale inhibitor with good dispersibility and scale inhibition properties, especially suitable for high hardness water.
Application: It is suitable for circulating cooling water system, boiler water treatment, etc.
Environmental advantages: PESA has good biodegradability and is friendly to the environment.

3. Polymaleic acid (PMA)

Characteristics: PMA is a kind of high efficient dispersant and scale inhibitor, which can prevent scaling of calcium carbonate and calcium sulphate.
Application: It is suitable for circulating cooling water system, boiler water treatment, reverse osmosis system and so on.
Environmental advantage: PMA can be decomposed by microorganisms in nature, with less impact on the environment.

4. Sodium gluconate

Characteristics: Sodium gluconate is a natural scale inhibitor with good chelating properties, capable of forming stable complexes with calcium and magnesium ions.
Application: It is suitable for circulating cooling water system, boiler water treatment and so on.
Environmental advantages: Sodium gluconate is derived from natural substances and has good biodegradability.

5. Citric acid

Characteristics: Citric acid is a natural organic acid with good chelating properties, capable of forming stable complexes with ions such as calcium and magnesium.
Application: It is suitable for boiler water treatment, cleaning agent and so on.
Environmental advantages: Citric acid comes from natural substances and has good biodegradability.

6. Sodium polyacrylate (PAAS)

Characteristics: PAAS is a highly efficient dispersant and scale inhibitor that prevents scaling of calcium carbonate, calcium sulphate, etc.
Application: It is suitable for circulating cooling water system, boiler water treatment and so on.
Environmental advantages: PAAS has good biodegradability and is friendly to the environment.

7. Polyethyleneimine (PEI)

Characteristics: PEI is a cationic polymer with good dispersibility and scale inhibition properties, especially suitable for high hardness water.
Application: It is suitable for circulating cooling water system, boiler water treatment, etc.
Environmental advantages: PEI can be decomposed by microorganisms under certain conditions, which has less impact on the environment.

8. Natural plant extracts

Characteristics: Some natural plant extracts, such as tea saponin, saponin, etc., have good dispersion and scale inhibition properties.
Application: Suitable for circulating cooling water system, boiler water treatment, etc.
Environmental Advantage: These natural extracts are derived from plants, have good biodegradability and are friendly to the environment.

Precautions for selecting and using environmentally friendly scale inhibitors

Water quality analysis: Before selecting scale inhibitors, water quality should be comprehensively analysed, including hardness, pH, temperature and other parameters.
Performance test: Laboratory test or field test should be carried out to verify the effect of scale inhibitor.
Dosage control: Determine the appropriate dosage according to water quality and system requirements. Overdosing may result in unnecessary cost increases, while underdosing will not achieve the desired results.
Regular monitoring: Regularly monitor the scaling and water quality parameters in the system to adjust the amount of scale inhibitor used.
Compliance: Ensure that the selected scale inhibitor complies with local environmental regulations and standards.

By selecting and using environmentally friendly scale inhibitors, not only can you effectively prevent scaling, but you can also reduce the impact on the environment and achieve sustainable development. It is recommended to co-operate with a professional water treatment service provider to ensure the best scale inhibition effect and long-term stable operation of the system.

Application of scale inhibitors in new energy field?

Thu, 21 Nov 2024 14:25:22 +0800

The application of scale inhibitors in new energy field is mainly to ensure the efficient operation of water treatment systems in various energy conversion and storage systems. The new energy field includes solar energy, wind energy, geothermal energy, biomass energy, nuclear energy, etc. These systems often require a large amount of water during operation, and the minerals and impurities in the water can easily lead to scaling, which affects the efficiency and life of the system. The following are some specific application examples:

1. Solar thermal power generation systems

Concentrated Solar Thermal Power (CSP): CSP systems use mirrors to focus sunlight onto a receiver, which transfers the heat through a heat transfer medium (usually water or molten salt) to a working fluid that drives a turbine generator to produce electricity. During this process, the heat transfer medium and the water in the cooling system need to be kept clean to prevent scaling. Scale inhibitors are effective in preventing the deposition of minerals such as calcium carbonate and calcium sulphate in pipes and heat exchangers.
Solar water heater: collector pipes and storage tanks in solar water heaters also need to be protected from scaling to maintain efficient heat exchange.

2. Geothermal energy systems

Geothermal Power Generation: Geothermal power plants use underground hot water or steam to drive turbines to generate electricity. Geothermal water contains high levels of minerals that tend to scale in pipes and heat exchangers. Scale inhibitors prevent the deposition of these minerals and ensure the long-term stable operation of the system.
Geothermal heating: Geothermal heating systems also need to prevent scaling to ensure heating efficiency.

3. Nuclear energy systems

Nuclear power plant: the cooling system and heat exchange system of nuclear power plant needs a large amount of water, scale inhibitor can prevent the minerals in cooling water from depositing in pipeline and heat exchanger to ensure the efficient operation of cooling system.
Nuclear waste treatment: In the process of nuclear waste treatment, scale inhibitors can also be used to prevent scaling in the treatment equipment and ensure the smooth running of the treatment process.

4. Biomass energy systems

Biomass boilers: When biomass boilers burn biomass fuels, the ash and minerals produced are prone to scaling in the boiler. Scale inhibitors can prevent these minerals from being deposited and extend the service life of the boiler.
Biomass gasification: During biomass gasification, the syngas produced needs to be cooled and purified, and scale inhibitors can prevent scaling in the cooling system.

5. Wind farms

Cooling systems in wind farms: Although wind power generation itself does not require large amounts of water, cooling systems for transformers and electrical equipment in wind farms may require the use of water. Scale inhibitors can prevent scaling in these cooling systems and ensure proper operation of the equipment.

6. Energy storage systems

Pumped storage power stations: Pumped storage power stations use excess electricity to pump water from a lower reservoir to an upper reservoir and then release the water flow to generate electricity at times of peak demand. Scale inhibitors prevent scaling in the pipework and equipment between the upper and lower reservoirs, ensuring efficient operation of the system.
Battery storage systems: Although battery storage systems do not require large amounts of water per se, water may be used in the production and maintenance of batteries. Scale inhibitors can prevent scaling in the relevant equipment.

Usage

Water quality analysis: Before using scale inhibitors, water quality needs to be analysed comprehensively to understand the specific conditions of water quality.
Selection of suitable scale inhibitor: According to the result of water quality analysis, select the suitable scale inhibitor. For example, for high hardness water quality, you can choose high efficient chelating agent such as HEDP or ATMP; for high pH water quality, you can choose PBTCA.
Dosage control: Determine the appropriate dosage according to the water quality and system requirements. Overdosing may lead to unnecessary cost increases, while underdosing will not achieve the desired results.
Regular monitoring: Regularly monitor the scaling condition and water quality parameters in the system to adjust the dosage of scale inhibitor in time.
Safe handling: When handling and dosing scale inhibitors, wear appropriate personal protective equipment such as gloves, goggles and protective clothing.
Storage conditions: Scale inhibitors should be stored in a cool, dry place, avoiding direct sunlight and high temperature.

Through reasonable selection and use of scale inhibitors, scaling problems in new energy systems can be effectively prevented to ensure efficient operation and long-term stability of the system. It is recommended to co-operate with a professional water treatment service provider to ensure the best scale inhibition effect and long-term stable operation of the system.

1,2-Benzisothiazolin-3-One(BIT)

Sat, 09 Nov 2024 16:37:51 +0800

Structural Formula

Product Features

Bit serves as a broad-spectrum, long-lasting biocide to kill many bacteria, fungi and yeasts, it will have a good antibacterial effect with a lowest concentration of 0.1%.

Bit has good compatibility with all kinds of emulsifiers, surfactants and other agents,miscible in the solutions of alcohol and water at any ratio.

BIT has wider applications than similar products,it is suitable for use in the medium of the pH value in the range of 4.0-12.

BIT has low toxicity, contains no heavy metals and halogen compounds,it is inactive to amines,free of formaldehyde.

BIT is suitable for applications in the water-based polymer, leather, paint, textile, printing and dyeing, metal cutting fluids, adhesives, inks, dyes, dye dispersants as preservative.

Technical Specification

Itas	Index
Itas	Liquid	Solid
Appearance	Amber liquid	Yellow-white or off-white powder
Active content, %	20.0 min	85.0 min
pH(25℃,10% water solution)	11.0-13.0	-
Density (20℃), g/cm³	1.10-1.20	-
Moisture %	-	15.0 max

Applications & Usage

For use in cosmetics, body care products, and other daily chemicals, the concentration of using is in the range of 0.05-0.40% (w/w) depending on the storage environment and whether the product is susceptible to the destroy of microorganisms. The specific formula and instructions for the concentration of using will be based on the company's microbial technology division.

BIT can be added at any production step,but it's suggested to be added at the final step at less than 50℃,avoid adding at a temperature of higher than 50℃.

Package & Storage

BIT Liquid			BIT Solid
25L Drum	200L Drum	1000L IBC	25kg Fiberdrum

Storage for 12 months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information	Satety Precaution
BIT 20%: Corrosive, Class 8, UN 1760 BIT 85%: Environmentally hazardous substance, Class 9, UN3077
The operation must be carried out in strict accordance with the regulations. Avoid contact with skin. Wear protective clothing, goggles and rubber gloves. In case of contact with skin, wash immediately with plenty of water and soap. If splashed into eyes, wash immediately with plenty of water and buffer.

Alternative Name / Synonyms

CAS No.	2634-33-5	EINECS No.	220-120-9
Molecular Formula	C₇H₅NOS	Molecular Weight	151.19

PAE

Thu, 12 Sep 2024 10:51:39 +0800

Product Features

PAE is a new type of water treatment chaical with excellent scale and corrosion inhibition capabilities.
The introduction of multiple polyethylene glycol groups into the molecule significantly improves the scale and corrosion inhibition for calcium scale.
PAE(PAPE) has a raarkable inhibition effect on barium and strontium scales.
It has an admirable scale inhibition capacity for calcium carbonate and calcium sulfate.
PAE(PAPE) can be well mixed with polycarboxylic acid, organophosphonic acid, phosphate, and zinc salts.
It can also be used as a scale inhibitor for oilfield and industrial cooling water systas.

Technical Specification

Package & Storage

PAE Liquid is typically packaged in 25L Drums, 200L Drums, 1000L IBCs, and ISO Tanks.
It should be stored in a shady room and dry place for up to 10 months.

Applications & Usage

When used as a scale inhibitor, a dosage of less than 15mg/L is preferred.
In closed circulating systas, a dosage of up to 150mg/L can be expected.

Alternative Name / Synonyms

Polyol phosphate ester

Thu, 12 Sep 2024 10:50:07 +0800

Structural Formula

Product Features

Polyol phosphate ester is a new variety of water treatment chemical. Polyol phosphate ester has very good scale and corrosion inhibition ability. Because more than one ployethylene glycol group is introduced into the molecule, the scale and corrosion inhibition for calcium scale is improved a lot. Polyol phosphate ester(PAPE) has wonderful inhibition effect for barium and strontium scales. Polyol phosphate ester has admirable scale inhibition capacity for calcium carbonate and calcium sulfate,PAPE can be mixed well with polycarboxylic acid, organophoronic acid, phosphate and zinc salt.

Polyol phosphate ester(PAPE)can also be used as scale inhibitor for oilfield and industrial cool water system.

Technical Specification

Parameter	Standard
Appearance	Pale yellow transparent liquid
Solid content, %	50.0 min
Density (20℃), g/cm³	1.25 min
pH (1% water solution)	2.0-3.0

Package & Storage

Applications & Usage

When used as scale inhibitor, less than 15mg/L is preferred, when used in closed circulating system, 150mg/L can be expected.

Hazard & Safety Precaution

Alternative Name / Synonyms

Polyhydric alcohol phosphate ester

Tue, 10 Sep 2024 11:19:00 +0800

Product Features

Polyhydric alcohol phosphate ester is a new type of water treatment chaical with excellent scale and corrosion inhibition capabilities.
The introduction of multiple polyethylene glycol groups into the molecule significantly improves the scale and corrosion inhibition for calcium scale.
Polyhydric alcohol phosphate ester(PAPE) has a raarkable inhibition effect on barium and strontium scales.
It has an admirable scale inhibition capacity for calcium carbonate and calcium sulfate.
Polyhydric alcohol phosphate ester (PAPE) can be well mixed with polycarboxylic acid, organophosphonic acid, phosphate, and zinc salts.
It can also be used as a scale inhibitor for oilfield and industrial cooling water systas.

Technical Specification

Package & Storage

Polyhydric alcohol phosphate ester Liquid is typically packaged in 25L Drums, 200L Drums, 1000L IBCs, and ISO Tanks.
It should be stored in a shady room and dry place for up to 10 months.

Applications & Usage

When used as a scale inhibitor, a dosage of less than 15mg/L is preferred.
In closed circulating systas, a dosage of up to 150mg/L can be expected.

Alternative Name / Synonyms

How should I choose between ATMP and HEDP?

Sat, 31 Aug 2024 15:02:38 +0800

ATMP (Amino Trimethylene Phosphonic Acid) and HEDP (Hydroxyethyl Phosphonic Acid) are both commonly used scale inhibitors. They differ in a number of ways, and the following factors can be considered when making a selection:

Scale inhibition effect: ATMP and HEDP are slightly different in scale inhibition effect. In specific applications, the appropriate scale inhibitor can be evaluated and selected based on factors such as water composition, systa operating conditions and expected scale inhibition effect.

pH conditions: ATMP and HEDP have slightly different pH ranges. ATMP performs better at lower pH values (2-4), while HEDP performs better at higher pH values (6-8). Therefore, choosing the right scale inhibitor according to the pH conditions of the water treatment systa can improve its performance and effectiveness.

Taperature stability: ATMP shows better taperature stability and can maintain its scale inhibition performance under high taperature conditions. While HEDP may degrade at higher taperatures, leading to a decrease in scale inhibition effect. Therefore, ATMP may be a better choice in high taperature water treatment systas.

Compatibility: Both ATMP and HEDP need to be considered for compatibility when used with other water treatment agents. Especially in complex water treatment systas, different agents may interfere with each other and affect the scale inhibition effect. Therefore, the compatibility with other water treatment agents needs to be considered comprehensively when selecting scale inhibitors.

Economy: The price of ATMP and HEDP may be different, and economy can also be considered in the selection. According to the specific application requiraents and budgetary situation, choose an economically reasonable scale inhibitor.

In conclusion, for the selection of ATMP and HEDP, factors such as water quality, pH, taperature, compatibility and economy should be considered and evaluated and selected according to specific application requiraents. The best choice should be made based on the actual situation and test results. It is recommended to consult professionals or suppliers for more accurate and detailed advice before selection.

What is ATMP? How to inhibit scaling

Thu, 07 Mar 2024 12:01:16 +0800

ATMP, also known as aminotrimethylphosphonic acid, is an excellent scale and corrosion inhibitor. Its excellent chelating effect, low limit inhibitory force, and unique lattice distortion effect make it significantly effective in preventing scale formation. ATMP can effectively prevent the formation of scale salts in water, especially the headache inducing calcium carbonate scale. This is mainly attributed to its h3 chelating ability, which can tightly adsorb around calcium ions, preventing tha from forming hardened scale.

Moreover, ATMP has stable chaical properties in water and is less prone to hydrolysis reactions, ensuring its effectiveness under various water quality conditions. When it reaches a certain concentration in water, it not only effectively prevents corrosion, but also has a good corrosion inhibition effect on metal equipment or pipelines. This feature makes ATMP highly favored in the field of water treatment.

In practical applications, ATMP has been widely applied in multiple fields. For example, the addition of ATMP in the circulating cooling water systas of thermal power plants and refineries can effectively reduce the corrosion and scaling problas of metal equipment. In the textile printing and dyeing industry, ATMP can serve as a metal ion chelating agent, helping to improve product quality and extend equipment lifespan. In addition, ATMP is also used in fields such as metal surface treatment.

ATMP solid is in a white granular form, which greatly facilitates its transportation and use in cold winter areas. Make ATMP more convenient in practical applications.

PBTC

Thu, 29 Jun 2023 17:28:00 +0800

CAS No. 37971-36-1
Molecular Formula: C₇H₁₁O₉P Molecular weight: 270.13
Structural Formula:

Properties:

PBTC has low content of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and corrosion inhibition properties. Its antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy.

Specification:

Items	Index
Appearance	Clear, colorless to pale yellow aqueous solution
Active acid, %	50.0 min
Phosphorous acid(as PO₃^3-), %	0.5 max
Phosphoric acid(as PO₄^3-), %	0.2 max
Density (20℃), g/cm³	1.27 min
pH(1% water solution)	1.5~2.0
Fe, ppm	10.0 max
Chloride, ppm	10.0 max

Usage:

PBTC is a high efficient agent as scale and corrosion inhibitor. PBTC is the excellent stabilizer for zinc salt. It is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite with zinc salt and copolymer. PBTC can be used in situations of high temperature, high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent and metal detergent.

PBTC is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, the dosage of 5-15mg/L is preferred.

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for one year in shady room and dry place.

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.　

HEDP

Thu, 29 Jun 2023 17:23:04 +0800

CAS No. 2809-21-4

Molecular Formula: C₂H₈O₇P₂ Molecular weight: 206.02

Structural Formula:

Properties:

HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.

The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals.

Specification:

Items	Index
Appearance	Clear, Colorless to pale yellow aqueous solution	White crystal powder
Active content (HEDP), %	58-62	90.0 min
Active content (HEDP·H₂O), %	-	98.0 min
Phosphorous acid (as PO₃^3-), %	2.0 max	0.8 max
Phosphoric acid (as PO₄^3-), %	0.8 max	0.5 max
Chloride (as Cl^-), ppm	100.0 max	100.0max
pH (1% water solution)	2.0 max	2.0 max
Density (20℃), g/cm³	1.43-1.47	-
Fe, mg/L	20.0 max	10.0 max
Color APHA (Hazen)	40.0 max	-
Ca Sequestration (mg CaCO₃/g)	500.0 min

Usage:

HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.

Package and Storage:

HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

HEDP solid: 25kg/bag,customers’ requirement.

Storage for ten months in room shady and dry place.

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.　