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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D001SC
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1. Product Introduction:
D001 SC It is a macroporous strong acid cation exchange resin with a polystyrene skeleton, containing sulfonic acid groups, equivalent to solid sulfuric acid. It has uniform pore size, high mechanical strength, high hydrogen form rate, and is mainly used for high-speed mixed bed water treatment.
Corresponding foreign brands: Amberlite 200， Lewatit Sp-210
2. Performance Indicators:
Appearance
Light brown opaque spherical granules
Delivery form
Na+
Total exchange capacity
≥4.35 mmol/g
Volume exchange capacity
≥1.8 mmol/ml
Moisture content
45%~55%
Wet true density
1.25~1.28 g/ml
Wet apparent density
0.77~0.85 g/ml
Particle size range
0.63~1.25 mm
Effective particle size
≥0.63 mm
Uniformity coefficient
≤1.4
Abrasion roundness rate
≥90%
3. Reference Operating Conditions:
Maximum operating temperature
120℃
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:
Mainly used for high-speed mixed bed water treatment, precious metal recovery, and organic catalytic reactions.
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-freezing is the main concern, and heavy objects should not be placed on the resin to prevent crushing.
2. Resin pretreatment:
Generally, an alkali -water - acid - water process can be used for treatment. For strict requirements, three cycles are needed, and finally treated to the required ion form.
3. Resin loading:
Consider the resin's swelling rate during ion exchange, 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 the 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 not used for a long time in the column should be cleaned and removed for storage, or immersed in saline solution in a salt-resistant medium, keeping the surface from dehydration. Periodic backwashing of the resin is also required to loosen the resin and prevent caking and spoilage.
D001SC
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