Indice
|
Nom
|
Spécification
|
|
Apparence
|
Perles sphériques transparentes blanc pâle à jaune pâle
|
|
Structure du polymère
|
Gel de polystyrène réticulé au divinylbenzène
|
|
Groupe fonctionnel
|
-N(CH3)3
|
|
Forme ionique telle qu'expédiée
|
Cl-
|
|
Capacité d'échange de poids
|
≥ 3,5 mmol/g
|
|
Capacité d'échange de volume
|
≥ 1,35 mmol/ml
|
|
Densité réelle (g/ml)
|
1,07~1,10 g/ml
|
|
Masse volumique apparente (g/ml)
|
0,67~0,73 g/ml
|
|
Capacité de rétention d'eau
|
42%~50%
|
|
Gamme de tailles de particules
|
0,45~0,8 mm≥95
|
|
Coefficient d'uniformité
|
≤1,6
|
|
Nombre total de billes (%)
|
≥ 95 %
|
Conditions de fonctionnement de référence
|
Température maximale de fonctionnement
|
100℃
|
|
Hauteur de remplissage de résine
|
1 à 3 m
|
|
Vitesse de fonctionnement
|
2~10 BV/h
|
|
Vitesse de lavage à contre-courant
|
4~10 BV/h
|
|
Vitesse de régénération (désorption)
|
1~2BV/h
|
|
Agent de régénération
|
2BV3~5%HCI, 2BV2~4%NaOH
|
Application
extraction de wolfranium
Précautions
La résine doit être conservée à l'état humide. La température idéale est supérieure à 0 °C. En cas de non-utilisation prolongée, il est conseillé de la conserver dans un endroit fermé ou d'ajouter de l'eau salée à 5 % ou plus. Un antigel est recommandé pendant le transport. Ne pas poser d'objets lourds sur la résine afin de ne pas la heurter.
Le traitement nécessite généralement un circuit d'écoulement alcalin-eau-acide-eau. Trois cycles sont nécessaires avant d'atteindre le canal d'ions final.
Il faut tenir compte des différents taux d'expansion de transformation pour réserver suffisamment d'espace pour éviter le débordement de résine et garantir la hauteur de niveau de liquide appropriée ; le rapport de diamètre de la colonne doit être dans une plage raisonnable et éviter le courant de polarisation ; utiliser une colonne remplie d'eau ou un rinçage à contre-courant pour éliminer les bulles à l'intérieur de la couche de résine.
Avant que le liquide ne pénètre dans la colonne de résine, des étapes telles que la floculation, la filtration ou la filtration sur sable doivent être effectuées afin d'éviter que les pores de la résine ne soient obstrués par des solides en suspension.
La résine à l'intérieur de la colonne qui n'a pas été utilisée depuis longtemps doit être stockée à l'extérieur de la colonne après lavage, ou ajout d'eau salée dans le milieu résistant au sel tout en gardant le niveau de liquide non déshydraté avec un lavage à contre-courant habituel pour détacher la résine en cas d'agglomération.
Comprehensive Technical Overview of Strong and Weak Base Anion Exchange Resins
This overview highlights the key applications, oxidative stability, and performance differences of strong and weak base anion exchange resins, showcasing Hebei Lijiang Biotechnology Co., Ltd.’s advanced capabilities in high-grade resin manufacturing.
Typical Applications for Strong Base Anion Exchange Resins
Strong base anion exchange resins play a critical role in industrial purification, high-purity water production, food processing, and pharmaceutical separation. Hebei Lijiang Biotechnology Co., Ltd., un high-tech manufacturer specializing in advanced ion exchange materials, provides industrial-grade, food-grade, pharmaceutical-grade, and nuclear-grade resins engineered for demanding global applications. With ISO9001, SGS, WQA, and FDA-compliant certifications, the company ensures stable performance, safety, and long-term reliability across different industries.
Strong base anion exchangers, including models comparable to amberlite IRA 400, are widely used for removing sulfate, chloride, nitrate, silica, and natural organic matter from water systems. In power plants, electronics manufacturing, and chemical processing, strong anion exchange resin is a core component in deionization, mixed-bed polishing, and ultra-pure water treatment lines. These resins offer high ion-exchange capacity, excellent mechanical strength, and full pH-range functionality.
In food and beverage processing, strong base resins efficiently decolorize sugar solutions, remove acidic impurities, refine gelatin, and enhance product stability. Their FDA-compliant safety makes them suitable for applications requiring strict hygiene control. In biotechnology and pharmaceutical production, anion exchange chromatography resin is essential for purifying proteins, nucleotides, enzymes, and antibiotics. Its strong affinity for negatively charged molecules allows high-resolution separation in downstream processing.
Additionally, strong base anion exchangers are widely applied in hydrometallurgy for recovering valuable metals and refining chemical solutions. Their ability to withstand variable pH and oxidative environments ensures consistent operation. These materials also play a significant role in wastewater treatment, particularly in nitrate removal, organic scavenging, and color reduction.
With advanced R&D capabilities and strict quality control, Hebei Lijiang Biotechnology Co., Ltd. delivers strong base anion resins designed for efficiency, safety, and stable performance, serving industries that require high-purity output and reliable process control.
Oxidative Stability of Strong Base Anion Exchange Resins
Oxidative stability is a key performance factor determining the lifespan and reliability of strong base anion exchange materials. Hebei Lijiang Biotechnology Co., Ltd. manufactures high-performance strong base resins, including products equivalent to amberlite IRA 400, designed to resist degradation from chlorine, chloramine, peroxide, and ozone. As a certified ISO9001, SGS, WQA, and FDA-compliant enterprise, the company ensures that each resin features excellent durability and structural integrity under harsh operating conditions.
Strong base anion exchangers contain quaternary ammonium functional groups that maintain their ion-exchange capability across the full pH range. However, exposure to oxidants can cause functional group loss or polymer backbone damage. Hebei Lijiang improves oxidative resistance by optimizing crosslinking density, enhancing polymer purity, and strengthening the polystyrene-DVB matrix. These engineering advancements significantly slow oxidation-induced capacity decline.
In water treatment systems, especially those receiving municipal feedwater with chlorine residuals, strong base resins must tolerate continuous oxidant exposure. High-grade strong anion exchange resin from Hebei Lijiang maintains stable exchange capacity and mechanical strength even after extended operational cycles. This performance makes them suitable for power plant condensate polishing, electronics-grade deionization, and high-purity chemical production.
Pharmaceutical and biotechnology processes also require resins resilient to oxidative sanitization. Anion exchange chromatography resin used in protein purification often undergoes hydrogen peroxide or ozone disinfection. Hebei Lijiang’s resins retain structural stability during repeated CIP/SIP procedures, ensuring consistent binding performance and long-term column reliability.
Additionally, oxidative stability is important in industrial wastewater treatment, where high-redox environments can accelerate degradation. The company’s resin technology improves long-term safety, reduces replacement frequency, and ensures lower operating costs.
Through advanced material design and strict quality standards, Hebei Lijiang Biotechnology Co., Ltd. provides oxidation-resistant strong base anion resins tailored for demanding water treatment, pharmaceutical, food-grade, and nuclear-grade environments.
Difference Between Weak Base and Strong Base Anion Exchange Resins
Weak base and strong base anion exchange resins differ significantly in functional groups, operating ranges, and purification capabilities. Hebei Lijiang Biotechnology Co., Ltd., a leading manufacturer certified by ISO9001, SGS, WQA, and compliant with FDA food-grade requirements, produces both resin types for global industrial, food, pharmaceutical, and nuclear applications.
Strong base anion exchange resin contains quaternary ammonium groups and functions across the entire pH range. These materials can remove both strong acid anions (Cl⁻, SO₄²⁻, NO₃⁻) and weak acid anions (silica, CO₂-derived species). Products comparable to amberlite IRA 400 are widely used in deionization, mixed-bed polishing, high-purity water production, and pharmaceutical separation using anion exchange chromatography resin.
In contrast, weak base anion exchange resins contain primary, secondary, or tertiary amine groups. They are effective only in neutral or alkaline conditions and primarily remove strong mineral acids. They cannot remove weakly dissociated acids, making them suitable as the first stage in dealkalization or pretreatment before SBA units. Their lower chemical consumption and good fouling resistance make them economical for large-scale applications. When used in purification systems, they are commonly assembled in a weak anion exchange column for acid reduction.
Functionally, SBA resins offer higher selectivity, broader pH operation, and superior oxidative resistance. WBA resins offer higher working capacity for strong acids and lower regeneration cost.
In water treatment, a typical process pairs WBA for acid removal followed by SBA for high-purity polishing. In pharmaceutical and biotechnology fields, SBA chromatography is preferred for protein and nucleic acid purification, while WBA is applied to organic acid refinement.
By providing both strong and weak base anion exchange technologies, Hebei Lijiang Biotechnology Co., Ltd. delivers complete, efficient, and application-oriented separation solutions for global users.
