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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201×7FC
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1. Product Introduction:
Lijiang Brand 201× 7 FC is a gel-type strongly basic anion exchange resin with a polystyrene skeleton, containing -N( CH3 ) 3 groups, equivalent to solid strong base. It has a high total exchange capacity and good mechanical strength. Mainly used for pure water preparation, wastewater treatment, biochemical products, and extraction of gold, silver, tungsten, molybdenum, etc. in hydrometallurgy.
Corresponding foreign brands: Amberlite IRA-400, AB-17, Diaion SA-10A
2. Performance Indicators:
Appearance
White to light yellow transparent beads
Strong base group capacity
≥3.5 mmol/g
Volume exchange capacity
≥1.35 mmol/ml
Moisture content
42%~48%
Wet true density
1.07~1.10 g/ml
Wet apparent density
0.67~0.73 g/ml
Particle size range
0.45~1.25 mm
Effective particle size
≥0.5 mm
Uniformity coefficient
≤1.6
Sphericity rate
≥60%
3. Reference Operating Conditions:
Maximum operating temperature
OH 40℃, Cl 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:
Mainly used for pure water preparation, wastewater treatment, biochemical products, and extraction of gold, silver, tungsten, and molybdenum in hydrometallurgy.
5. Precautions:
1. Transportation and storage of the product:
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 a brine solution above; 5% during transportation, mainly prevent freezing, and do not place heavy objects on the resin to avoid crushing.
2. Resin pretreatment:
Generally requires treatment with alkali -water - acid - water in one process; for strict requirements, three cycles are needed, finally treating to the required ionic form.
3. Resin loading:
Consider the resin swelling rate during ion exchange, reserve enough space to prevent overflow and ensure proper liquid level; the column diameter ratio should be reasonable 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 must be cleaned and removed for storage, or stored in saltwater in a salt-resistant medium, keeping the surface from dehydration, and periodically backwashed to loosen the resin to prevent caking and damage.
201×7FC
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