PILOT TEST STUDY ON BORON REMOVAL BY ION EXCHANGE IN DRINKING WATER TREATMENT IN ALPINE REGIONS

XIE Haitao; LIU Liming; LIU Xiaoping; ZHAI Yunbo; HUANG Wenshui

doi:10.13205/j.hjgc.202204023

Volume 40 Issue 4

Apr. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(4): 159-165

XIE Haitao, LIU Liming, LIU Xiaoping, ZHAI Yunbo, HUANG Wenshui. PILOT TEST STUDY ON BORON REMOVAL BY ION EXCHANGE IN DRINKING WATER TREATMENT IN ALPINE REGIONS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(4): 159-165. doi: 10.13205/j.hjgc.202204023

Citation:

XIE Haitao, LIU Liming, LIU Xiaoping, ZHAI Yunbo, HUANG Wenshui. PILOT TEST STUDY ON BORON REMOVAL BY ION EXCHANGE IN DRINKING WATER TREATMENT IN ALPINE REGIONS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(4): 159-165. doi: 10.13205/j.hjgc.202204023

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PILOT TEST STUDY ON BORON REMOVAL BY ION EXCHANGE IN DRINKING WATER TREATMENT IN ALPINE REGIONS

doi: 10.13205/j.hjgc.202204023

1. Yunan Ecological and Environmental Monitoring Center, Kunming 650034, China;
2. College of Environmental Science and Engineering, Hunan University, Changsha 410082, China;
3. Beijing Qiyuan Xinde Environmental Science and Technology Co., Ltd., Beijing 100107, China

Received Date: 2021-02-22
Available Online: 2022-07-06

Abstract

Abstract

Temperature affects the existent forms of substances and the rate of biochemical reaction in environmental mediums. Based on this, boron selective chelating resin was used to treat the groundwater with boron concentration exceeding the standard in an alpine region. The operation parameters and performance of the process were determined by field pilot test. And the mechanism of resin boron removal was explored by FTIR, SEM and BET characterization. The results showed that the inlet velocity of 16 BV/h (bed volume; 1 BV=22.5 L) was suitable for the project, and the effluent water quality met the Hygiene Standard for Drinking Water (GB 5749—2006). The penetration point of resin column was 871.11 BV, and the exchange capacity of resin was 3.58 mg/g; the boron content of wastewater generated during resin regeneration was 342.81 mg/L, which could be used as the raw material for boron production. After the boron removal test, the hydroxyl functional group content and pore volume on the surface of the resin were reduced, and obvious wrinkles appeared on the surface, indicating that boron was removed by intra-particle diffusion and chelation process. The results of this experiment can provide theoretical support and technical reference for the treatment of boron in alpine region.
- groundwater,
- ion exchange,
- boron,
- low temperature,
- alpine region

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References(32)

References

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