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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Product
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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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H103
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1. Product Introduction:
H103 is a type of large-pore adsorption resin, non-polar, mainly developed for adsorbing and separating small molecule organic compounds, belonging to the polystyrene system. Due to a special manufacturing process, the pore size is very uniform and it has a high specific surface area. It is widely used in organic wastewater treatment, removal of organic residues in food, removal of pesticide residues in agricultural products, and removal of organic residues in traditional Chinese medicine.
2. Performance Indicators:
Appearance
Brown-black opaque spheres
Resin Structure
PSt
Polarity
Non-polar
Moisture Content
45%~55%
Wet True Density
1.05~1.10 g/ml
Wet Apparent Density
0.70~0.75 g/ml
Specific Surface Area
1000~1200 m²/g
Average Pore Diameter
8.5~9.5 nm
Porosity
55%~60%
Particle Size Range
0.3~1.25 mm
3. Reference Operating Conditions:
1. Adsorption:
Filling Height: ≤ 3m
Flow Rate: 1~6 m/h
Organic Impurity Concentration: < 1 (such as acetic acid, acetone, methanol, benzene, formic acid, etc.)
pH = 4~6
2. Desorption:
Desorption Solution: 1~2 N NaOH, methanol or acetone
Dosage: 2~4 BV, 2 BV
Flow Rate: ≤ 5 m/h ≤ 5m/h
Temperature: 40~50℃
4. Product Applications:
1. Mainly used for organic wastewater treatment, capable of removing or recovering most organic substances.
2. Juice purification, decolorization of fruit acids, and removal of bitterness.
3. Separation and purification of antibiotics, vitamins, steroids, amino acids, enzymes, etc.
4. Separation and recovery of non-polar substances from polar solvents, such as phenol.
5. Adsorption and separation of flavonoid substances.
5. Main Treatment Processes:
1. Comprehensive Wastewater:
Wastewater ---- Flocculation and Sedimentation ---- Plate Frame Filtration ---- Quartz Sand Filtration ---- Resin Adsorption ---- Discharge up to standard or reuse
Resin Desorption --- Production Reuse
Common desorption agents: acetone, methanol, ethanol, 2-5% sodium hydroxide
2. Single Wastewater in Production:
Resin Adsorption ---- Desorption and Reuse
3. Wastewater difficult to treat to standard with a single resin:
Two to three types of resins can be selected for stepwise adsorption and desorption.
6. 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 loading the resin into the column, backwash with water to remove gases from the resin to prevent gas blockage affecting adsorption.
7. Others
1. Product Transportation and Storage:
Store the product in a wet state, preferably at temperatures above 0°C; if unused for a long time, it can be sealed or stored in 5% the above saline solution; during transportation, mainly prevent freezing, and do not place heavy objects on the resin to avoid crushing.
2. Before liquid enters the resin column, it should undergo flocculation, filtration, or sand filtration to ensure no suspended solids, preventing blockage of resin pores.
3. Resin not used for a long time in the column should be cleaned and removed for storage, or stored in saltwater in a salt-resistant medium. If stored in the column, keep the surface moist and perform periodic backwashing to loosen the resin and prevent caking and damage.
H103
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