ट्रिब्यूटाइल फॉस्फेट (टीबीपी)

गुण

♦ Solvent Properties

TBP is an effective solvent for a wide range of organic compounds. It is miscible with

various organic solvents, including hydrocarbons, alcohols,and ethers. This makes it

suitable for use in extraction processes, where it can selectively dissolve and extract

specific compounds from mixtures

♦ Selective Metal Extraction

TBP has a high affinity for metal ions, particularly those with high charge densities.

It forms stable complexes with metal ions, enabling the extraction and separation

of metals from aqueous solutions. This property is extensively utilized in hydrometallurgy,

such as the extraction of uranium from uraniumore or the recovery of valuable metals

from spent nuclear fuel.

♦ Flame Retardant

TBP exhibits flame-retardant properties, making it useful in applicationswhere fire

resistance is desired. It finds use as a flame retardant in plastics,polymers, and other

materials to improve their fire safety characteristics.

अनुप्रयोग

♦ Hydrometallurgy:

TBP is extensively used in the extraction and recovery of metal ions from ores, concentrates,

and aqueous solutions. It plays a crucial role in the production of nuclear fuel, where it

facilitates the extraction of uranium from uranium ore. It is also employed in the

reprocessing of spentnuclear fuel to recover valuable metals like uranium and plutonium.

♦ Solvent and Extraction Processes

TBP’s excellent solvent properties make it suitable for use in various extraction processes.

It is employed in the separation and purification of organic compounds, such as the

extractionदुर्लभ पृथ्वी तत्वों की, separation of organic acids, and purification of

pharmaceuticalintermediates.

♦ Flame Retardant Applications

Due to its flame-retardant properties, TBP is utilized in the production of flame-retardant

plastics, polymers, and coatings. It helps to reduce the flammability and improve the fire

safety of these materials.

♦ Industrial Processes

TBP finds use as an anti-foaming agent, plasticizer, and wetting agent in industrial

applications. It can stabilize process fluids, reduce foam formation, and enhance the

performance of certain

manufacturing processes.

उत्पादन प्रक्रिया

 

♦ Preparation of Reactants

Phosphorus oxychloride (POCl3) and butanol (C4H9OH) are obtained as starting सामग्री.

POCl3 is typically synthesized by the reaction of phosphorus trichloride (PCl3) with oxygen

or chlorine.

♦ Reaction

The reaction between POCl3 and butanol takes place in the presence of a catalyst, usually

a strong acid such as sulfuric acid (H2SO4). The reaction is an esterification process,

where the hydroxyl (-OH) group of butanol reacts with the phosphorusoxychloride to

form the ester, ट्रायबिल फॉस्फेट (टीबीपी), along with the release of hydrogen chloride

(HCl) as a byproduct.

♦ Purification

प्रतिक्रिया के बाद, the crude TBP is obtaineडी. It is typically a mixture of TBP, unreacted

butanol, and other impurities. The crude TBP is then subjected to purification steps to

remove these impurities. Purification techniques may include distillation, solvent extraction,

or other separation processes to obtain pure TBP.

♦ Refining and Quality Control

The purified TBP is further refined to meet specific quality requirements. This may involve

additional purification steps, such as filtration or adsorption, to remove any remaining

impurities and ensure the desired purity of the final product. Quality control measures, such

as testing for chemical composition and physical properties, are employed to ensure that the

TBP meets the specified standards.

♦Packaging and Storage

Once the TBP has been produced and refined, it is packaged into suitable containers, such as

drums or tank farm.

निरीक्षण

♦ निरीक्षण प्रक्रिया

1. आवक निरीक्षण: मुख्य कच्चे माल, such as phosphorus trichloride and n-butanol,

उनकी सामग्री के लिए निरीक्षण किया जाता है, appearance and other main properties.

2. खिला निरीक्षण: कच्चे माल की फीडिंग का सिद्धांत पहले-पहले-बाहर है, and the उपस्थिति

मुख्य कच्चे माल का बेतरतीब ढंग से निरीक्षण किया जाता है कि क्या कोई बड़ा बदलाव है

खिलाने से पहले भंडारण की स्थिति.

3. उत्पादन प्रक्रिया में बैच नमूनाकरण: उत्पादन प्रक्रिया के दौरान, के मुख्य सूचकांक

उत्पादों के प्रत्येक बैच: सामग्री और एसिड मूल्य को अलग -अलग समय अवधि में तीन बार जांच की जाएगी.

4. भंडारण निरीक्षण: प्रत्येक बैच (6 टन) भंडारण से पहले निरीक्षण किया जाता है.

5. आउटबाउंड निरीक्षण: ग्राहकों द्वारा मांग की गई मात्रा के अनुसार, उत्पाद होंगे

नमूना और निरीक्षण किया.

6. शिपमेंट - पूर्व निरीक्षण: ग्राहक की आवश्यकता के अनुसार, third party inspection can be

carried out on the products before shipment.

♦ निरीक्षण पद्धति

भौतिक उपस्थिति: दृश्य निरीक्षण

शुद्धता विश्लेषण:गैस क्रोमैटोग्राफी (जीसी)

ऐसिड का परिणाम:पोटेंशियोमेट्रिक अनुमापन

पानी की मात्रा:नमी विश्लेषणक

अपवर्तक सूचकांक:refractometer

घनत्व:घनत्व मीटर