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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D101 Product Manual
1. Product Introduction:
The 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 range of applications and exhibits strong adsorption capacity for non-polar or weakly polar organic compounds. It is especially effective for the separation and purification of saponins, and is 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
1.50-1.70 ml/g
Porosity
68-72%
Apparent Density
0.32-0.36 g/ml
Framework Density
0.81-0.85 g/ml
Wet True Density
1.15-1.19 g/ml
Wet Apparent Density
0.65-0.70 g/ml
Specific Surface Area
550-600 m²/g
Adsorption Capacity
≥45 mg/g (phenol/dry basis)
3. Product Features :
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. , Facilitates the selection of adsorbents and desorbents.
3. Good selectivity for organic compounds and 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.
4. Resin Pretreatment:
Industrial-grade resin contains residual inert solvents, so before use, pretreatment to varying degrees is required according to application needs: add ethanol to a level 10-20 cm above the resin bed in the extractor for soaking. 10-20 cm of ethanol soaking above the resin bed. 3-4 hours, then drain the soaking liquid for the first extraction process. Repeat washing using the same method until the soaking liquid collected at the outlet, when mixed with water in a test tube, shows no turbidity. Then rinse thoroughly with clean water until no obvious ethanol odor remains, and the resin can be used normally. After packing the resin column, backflush with water to expel gases from the resin to prevent gas blockage affecting adsorption. 3 Backflush with water to expel gases from the resin to prevent gas blockage affecting adsorption.
5. Enhanced Regeneration:
When the resin's adsorption capacity decreases after normal use for a certain period or is severely contaminated, enhanced regeneration is required. The method is to add a 3-5% hydrochloric acid solution to a level 10-20 cm above the resin bed for soaking. 10-20 cm above the resin bed. 3-5% hydrochloric acid solution soaking. 2-4 hours, then rinse with 5-7 times the volume of hydrochloric acid solution of the same concentration, followed by thorough rinsing with clean water until the outlet wash solution's 5-7 times the volume of hydrochloric acid solution rinse, then rinse thoroughly with clean water until the outlet wash solution's pH is neutral. Then soak with sodium hydroxide solution using the above method for 5% sodium hydroxide solution soaking as above. 2-4 hours, rinse with the same method using 5-7 times the volume of sodium hydroxide solution, then rinse thoroughly with water until the effluent 5-7 5-7 times the volume of sodium hydroxide solution rinse, then rinse thoroughly with water until the effluent pH is neutral, then it can be put back into use.
6. Precautions:
1. The resin contains moisture; storage and transportation should maintain a temperature of 5-40 º C to prevent freezing at low temperatures and mildew at high temperatures, which would affect use.
2. Resin should not be directly injected with water if exposed to air or dehydrated to avoid floating. It can be treated by soaking in ethanol to restore its wet state, 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. When 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 stored long-term by soaking in saturated saline or ethanol.
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