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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D113SC
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1. Product Introduction:
D113 SC Macroporous weakly acidic cation exchange resin is a cation exchange resin with carboxyl groups (-COOH) on a macroporous acrylic copolymer structure. It is mainly used for industrial water treatment, especially for removing carbonates, bicarbonates, and other alkaline salts. It can also be used in zinc and nickel wastewater treatment and recovery, as well as in the separation and purification of biochemical drugs.
D113 SC The resin series mainly includes three varieties, among which D113 is a general-purpose variety. D113FC Suitable for dual-bed and fluidized bed systems; D113SC Suitable for dual-bed systems.2. Performance Indicators:
Appearance
Milky white or light yellow opaque spherical beads
Delivery form
H+
Total exchange capacity
≥10.8 mmol/g
Volume exchange capacity
≥4.4 mmol/ml
Moisture content
45%~52%
Wet true density
1.14~1.20 g/ml
Wet apparent density
0.72~0.80 g/ml
Particle size range
0.315~0.63 mm
Effective particle size
0.35-0.50 mm
Uniformity coefficient
≤1.4
Sphericity rate
≥95%
Swelling rate during conversion (hydrogen form to sodium form)
≤70%
Hydrogen form rate
≥98%
3. Reference Operating Conditions:
Maximum operating temperature
100℃
Resin bed height
1~3 m
Operating flow rate
2~10 BV/h
Backwash flow rate
4~10 BV/h
Regeneration (desorption) flow rate
1~2 BV/h
Regenerant dosage
2 BV 3~5% HCl, 2 BV 2~4% NaOH
4. Product Applications:
Industrial water treatment, especially for removing carbonates, bicarbonates, and other alkaline salts. It can also be used in zinc and nickel wastewater treatment and recovery, as well as in the separation and purification of biochemical drugs.
5. Precautions:
1. Transportation and storage of the product:
The product should be stored wet, preferably at temperatures above 0°C; for long-term storage, it can be sealed or immersed in 5% a brine solution above; during transportation, anti-freeze measures are essential, and heavy objects should not be placed on the resin to prevent crushing.
2. Resin pretreatment:
Generally, alkali -water - acid - water treatment in one cycle is required; for strict requirements, three cycles should be performed, finally converting to the required ionic form.
3. Resin loading:
Consider the swelling rate during conversion, reserve enough space to prevent resin overflow and ensure appropriate liquid level; the column diameter ratio should be within a reasonable range to avoid channeling; use wet loading or backwash to remove air bubbles inside the resin bed.
4. Before liquid enters the resin column, it should undergo flocculation, filtration, or sand filtration to ensure no suspended solids, preventing blockage of resin pores.
5. Resin unused in the column for a long time should be washed out and stored, or immersed in saline within a salt-resistant medium, keeping the surface from drying out. Periodic backwashing is also necessary to loosen the resin and prevent caking and spoilage.
D113SC
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