Focused on the research and development and production of resin materials and resin end products - Hebei Lijiang
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AboutHebei Lijiang Biotechnology Co., Ltd. is a new material manufacturer specializing in the production of functional special ion exchange resins and disposable blood perfusion devices. It is a modern high-tech enterprise integrating the research and development, production, sales, and service of resin materials and resin end products. The company was established in April 2014 with a registered capital of 52 million yuan. It plans to cover an area of 267 acres and is located in the High-tech Industrial Park of Weixian County, Hebei Province—New Material Demonstration Park. The total investment is 510 million yuan. It is a council member unit of the Ion Exchange Resin Branch of the China Membrane Industry Association.
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BlogsThe company will focus on the high-end market, with the purpose of serving society, solidly carrying out technological innovation and product promotion, continuously improving the development and expansion of ion exchange resin products in emerging application fields, thereby promoting the upgrading and development of related industries.
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Company AlbumThe current phase of construction has been fully completed and put into operation, featuring a comprehensive workshop with 42 production lines for functional ion exchange resins with an annual output of 16,800 tons and a production capacity of 30,000 tons, a wastewater treatment plant with an annual treatment capacity of 403,000 tons, and a workshop producing 5,000 tons of medical-grade magnesium sulfate annually. Trial production began in July 2016, with official production starting in January 2017.
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AB-8
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1. Product Introduction:
The AB-8 macroporous adsorption resin is a styrene-type weakly polar copolymer (crosslinking agent is divinylbenzene, monomer is methyl acrylate, pore-forming agent is toluene, etc.).
Suitable for extraction, separation, and purification of water-soluble weakly polar substances, such as stevioside, alkaloids, etc.
Structure ： PSD2. Product Technical Specifications:
Index Name
Index Parameter
Appearance
Milky white opaque spherical particles
Polarity
Weak polarity
Moisture Content
65-75%
Particle Size Range
(60-16 mesh) 0.3-1.25 mm ≥90%
Average Pore Diameter
13-14 nm
Pore Volume
0.73-0.77ml/g
Porosity
42-46%
Apparent Density
0.44-0.48g/ml
Skeletal Density
1.13-1.17g/ml
Wet True Density
1.05-1.09g/ml
Wet Apparent Density
0.65-0.70g/ml
Specific Surface Area
≥480 m²/g
Adsorption Capacity
≥45 mg/g (phenol/dry basis)
3. Control Indicators for Residuals in Purified Grade Resin:
Benzene
Toluene
Xylene
Divinylbenzene
Ethylstyrene
Diethylbenzene
Purified Grade
≤0.001%
≤0.002%
≤0.002%
≤0.001%
≤0.001%
≤0.001%
4. Product Characteristics:
1. Milky white or light yellow color facilitates handling operations; easy to observe when separating and purifying colored organic compounds.
2. Physicochemical properties are stable; insoluble in any acid, alkali, or organic solvents, facilitating the selection of adsorbents and desorbents.
3. Good selectivity for organic substances; unaffected by the presence of inorganic salts.
4. Easy regeneration; regenerants can be water, dilute alkali, dilute acid, or low-boiling organic solvents such as methanol, ethanol, acetone, etc.
5. Good mechanical strength and long normal service life.
5. Resin Pretreatment:
The purified resin has been deeply treated and can be used directly without pretreatment. For safety, it can be soaked and rinsed once with ethanol or double-distilled water before use. After packing the resin column, backwash with water to remove gases from the resin to prevent gas blockage affecting adsorption.6. Enhanced Regeneration:
When the resin's adsorption capacity decreases after normal use for a certain period or suffers acute severe contamination, enhanced regeneration is required. The method is to soak with 3-5% hydrochloric acid solution 10-20 cm above the resin layer for 2-4 hours, then rinse with 5-7 times the volume of the same concentration hydrochloric acid solution. Rinse thoroughly with clean water until the outlet wash solution pH is neutral. Then soak with 5% sodium hydroxide solution for 2-4 hours using the same method, rinse with 5-7 times the volume of sodium hydroxide solution, and finally rinse thoroughly with water until the effluent pH is neutral. The resin can then be reused.7. Precautions:
1. The resin contains moisture; storage and transportation should be kept at 5-40ºC to prevent freezing at low temperatures and mildew at high temperatures, which affect use.
2. If the resin loses water due to exposure to air or other reasons, do not add water directly to avoid floating. It can be treated by soaking in ethanol to restore moisture, then rinsed clean with water.
3. The adsorbate (solution) should be pretreated by impurity removal, filtration, and clarification before loading onto the column to avoid impurities entering the resin column, which may cause acute resin poisoning and affect use.
4. If resin use is interrupted, wash clean with water, soak in clean water for storage, and change water regularly to prevent contamination. It can also be stored long-term in saturated saline or ethanol.
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National Service Hotline: 0319-2296164
Address: No. 2, East Construction Road, South District, High-tech Industrial Development Zone, Weixian, Xingtai City, Hebei Province
Website: www.hebeilijiang.com
AB-8
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