Mob.:
+86 156 3115 5652
Mob.:
+86 156 3115 5652
E-mail:
thinkdo_calvin@126.com/thinkdochem@126.com
Mob.:
+86 156 3115 5652
Mob.:
+86 156 3115 5652
E-mail:
thinkdo_calvin@126.com/thinkdochem@126.com
Water Treatment Applications
In the realms of water treatment and boiler cleaning, challenges persist like stubborn stains, constantly plaguing related industries. From heavy - metal pollution in industrial wastewater to the thick scale inside boilers, traditional methods either fall short in effectiveness or bring new issues. However, the emergence of Glutamic acid N,N - diacetic acid (GLDA) is like a beam of light, offering fresh ideas and solutions to these problems.
1. The Dilemma of Heavy MetalsIndustrial wastewater is like a hidden "pollution bomb" containing heavy - metal ions such as lead, mercury, and cadmium. These ions not only severely damage the water ecosystem in nature, driving fish from their habitats, but also silently threaten human health. If they enter the drinking water supply, various diseases may ensue. Traditional precipitation methods for treating these heavy metals are like trying to scoop up sand with a small net; it's difficult to remove them all completely, and they may leave behind a "trail" of secondary pollution.
2. GLDA's Magical "Capture"GLDA is like a super "capture expert". With its unique molecular structure, its multiple "little grippers" - coordination groups can firmly seize heavy - metal ions, forming highly stable complexes with them. Take the treatment of lead - containing wastewater as an example. When GLDA meets lead ions, they combine like a magnet attracting iron filings, forming an extremely stable combination. Then, through filtration and other means, the lead ions can be easily removed from the water, reducing the lead - ion concentration in the wastewater to below the discharge standard. Compared with traditional precipitation methods, the water treated by GLDA is cleaner, with negligible heavy - metal residues, and it doesn't introduce new pollutants.
3. A Success StoryThere was an electroplating factory where the lead - ion concentration in the wastewater used to be as high as 50mg/L, far exceeding the standard. After treatment with GLDA, the lead - ion concentration dropped to below 0.5mg/L. Not only did it meet the environmental protection standards, but part of the treated water could also be recycled, greatly conserving water resources, as if giving the wastewater a new "lease on life".
The Troubles of Scale
In industrial circulating water and hot-water systems, calcium and magnesium ions can form hard scale such as calcium carbonate and calcium sulfate when temperature changes or water concentrates. This scale builds up on pipes and equipment like a thick “insulating layer,” reducing heat transfer efficiency and increasing energy consumption. Severe scaling may even block pipelines and disrupt system operation.
GLDA’s Anti-Scale Function
GLDA acts like a powerful chelating agent that binds with calcium and magnesium ions, forming water-soluble complexes that prevent scale formation. It can also disperse small particles that have already formed, preventing them from growing and depositing. Regular dosing of GLDA in circulating water systems helps maintain clean surfaces and improves system stability.
Practical Results
In a thermal power plant’s cooling water system, scaling once caused about a 15% annual increase in energy consumption and reduced heat exchange efficiency. After applying GLDA, scale formation was significantly reduced, heat exchangers stayed cleaner, energy consumption dropped by around 10%, and equipment maintenance cycles were extended, greatly improving overall system performance.
1. The Woes of Fluctuating Water QualityThe pH value of some industrial wastewater or specific water sources is as unstable as a roller - coaster, either too acidic or too alkaline. For pipes and equipment, this is like a "corrosive demon", gradually corroding them. It also affects subsequent water - treatment processes and the use of water. At the same time, unstable water quality can cause dissolved substances in the water to precipitate or separate out like sand, making the water "murky".
2. GLDA's Way to Stabilize GLDA is like a patient "regulator". It has the ability to buffer acids and bases, "conversing" with acidic or alkaline substances in the water to adjust the pH value to a relatively stable range. Moreover, GLDA can "interact" with other ions in the water, stabilizing the water quality and preventing dissolved substances from precipitating or separating out. In drinking - water treatment, GLDA is like a "guardian", ensuring the chemical stability of the water and allowing people to drink with peace of mind.
3. Application ExampleThe treated wastewater in a chemical park's sewage treatment plant used to have a pH value fluctuating between 6 - 9. After adding GLDA, the pH value was steadily maintained between 7.5 - 8.0, meeting the discharge requirements. Moreover, the dissolved impurities in the wastewater were stabilized, and there were many fewer precipitation problems during subsequent advanced treatment.
1. The Difficulty of Pipe CleaningThe pipe system of modern large - scale boilers is like a complex "labyrinth". Traditional cleaning methods are like groping in the labyrinth, making it difficult to clean every corner thoroughly. There are always some places where dirt remains. These remaining dirt particles are like "troublemakers", continuing to affect the boiler's operating efficiency and may even cause local blockages, throwing the entire system into chaos.
2. GLDA's Comprehensive Cleaning Magic GLDA is like a flexible "cleaning elf". It has excellent permeability and fluidity, easily reaching every corner of the complex pipe system. Inside the pipes, GLDA comes into full contact with the dirt, dissolving it through chelation and then carrying it away. Moreover, the complexes formed by GLDA are highly water - soluble and will not cause secondary precipitation in the pipes, ensuring a thorough cleaning. Most importantly, GLDA is "friendly" to various materials in the pipe system, such as carbon steel, stainless steel, and copper, without corroding them, keeping the pipe system intact.
3. A Witnessing ExampleThe boiler pipe system of a large - scale power plant was extremely complex. After conventional cleaning methods, there was still dirt remaining in some pipes. After cleaning with GLDA, endoscopic inspection revealed that every part of the pipe was cleaned thoroughly, with a dirt removal rate of over 95%. During subsequent operation, there were no more pipe blockages caused by dirt residues, and the boiler operated steadily.
Glutamic acid N,N - diacetic acid (GLDA) is like an all - powerful "superhero" in the fields of water treatment and boiler cleaning, solving a series of problems such as heavy - metal pollution, scale formation, and equipment corrosion. As people pay more attention to environmental protection and demand higher standards for industrial equipment maintenance, GLDA is bound to play a significant role in these fields, leading water treatment and boiler - cleaning technologies towards a greener and more sustainable future.
