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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1. Product Introduction:
D-101 Macroporous adsorption resin is a styrene-type non-polar copolymer (crosslinking agent is divinylbenzene, pore-forming agents are toluene and octanol). It has a broad application range and strong adsorption capacity for non-polar or weakly polar organic compounds. It is especially effective for the separation and purification of saponins, and also suitable for flavonoids and alkaloids. Examples include ginsenosides, notoginsenosides, diosgenin saponins, and ginkgo flavonoids. Structure: PSD
2. Product Technical Specifications:
Index Name
Index Parameter
Appearance
Milky white opaque spherical particles
Polarity
Non-polar
Moisture Content
65-75%
Particle Size Range
( 60-16 mesh) 0.3-1.25 mm >= 90%
Average Pore Diameter
9-11 nm
Pore Volume
1.50-1.70ml/g
Porosity
68-72%
Apparent Density
0.32-0.36g/ml
Skeletal Density
0.81-0.85g/ml
Wet True Density
1.15-1.19g/ml
Wet Bulk Density
0.65-0.70g/ml
Specific Surface Area
550-600 m ² /g
Adsorption Capacity
>= 45mg/g (Phenol / dry basis)
3. Residual Control Indicators for 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 and operation, making it easy to observe the separation and purification of colored organic compounds.
2 - Physicochemical properties are stable; insoluble in any acid, alkali, or organic solvents. , - Convenient for selecting adsorbents and desorbents.
3 - Good selectivity for organic compounds; 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 undergone deep treatment 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 add a 3-5% hydrochloric acid solution soaking above the resin layer by 10-20 cm. 10-20 cm 3-5% hydrochloric acid solution soaking 2-4 hours, then rinse with the same concentration 5-7 times the volume of hydrochloric acid solution, then rinse thoroughly with clean water until the outlet wash solution pH is neutral, then soak with sodium hydroxide solution by the above method 5% hours, and rinse with the same method until rinsed with 2-4 times the volume of sodium hydroxide solution, then rinse thoroughly with water until the effluent 5-7 pH pH is neutral, then it can be put back into use.
7. Precautions:
1 - The resin contains water; storage and transportation should maintain a temperature of 5-40 º C 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 resin floating. It can be treated by soaking in ethanol to restore moisture, then rinsed clean with water.
3. Adsorbate ( Solution ) Before loading onto the column, impurities should be removed, and the solution should be filtered and clarified. , Avoid impurities entering the resin column as much as possible. , To prevent acute poisoning of the resin. , Affecting its use.
4 If resin use is interrupted, it should be thoroughly washed with water, soaked and stored in clean water, with regular water changes to prevent contamination. It can also be soaked in saturated saline or ethanol for long-term storage.
D101
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