Performance evaluation of inertial pumps used for sampling groundwater from small-diameter wells

Xiang-ming, LU; Cao, Guoliang; Xiang, Huang; Clement, T. Prabhakar; Chen, Kewei

doi:10.1007/s12665-015-4912-7

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…For example, well 4−3 means that the well is the third one located along the fourth line (Figure 1). Each observation well is designed for sampling groundwater at seven different depths of 5, 10, 15, 17.5, 20, 25, and 30 m. 38 The experimental wells (diameter 150 mm) are fully screened to a depth of 30 m with an upper casing length of 0.4 m.…”

Section: Methodsmentioning

confidence: 99%

Determination of Sulfamethoxazole Degradation Rate by an in Situ Experiment in a Reducing Alluvial Aquifer of the North China Plain

Dillon

Zheng

2019

Environ. Sci. Technol.

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Effluents from wastewater treatment facilities are reclaimed for environmental and landscaping use, resulting in infiltration to groundwater. Trace organic contaminants in these effluents have raised concerns, including the antibiotic resistance contributor sulfamethoxazole (SMX) detected frequently at concentrations exceeding 0.01 μg/L. A push–pull study to evaluate in situ degradation of SMX was undertaken in a shallow alluvial aquifer at the Tongzhou groundwater experimental site in southeast suburban Beijing. Ambient groundwater (1000 L) extracted from an experimental well at a depth of 10 m was spiked with SMX and NaBr, and then injected back into the same well. SMX and Br were “stored” over 15 days and monitored in the experimental well and 4 multilevel (depth: 10, 15, 17.5, 20, 25, and 30 m) observation wells located within 2–3 m distance. The concentration of SMX decreased faster than that of Br in the experimental and one observation well at 10 m depth; samples from all other depths contained little Br and SMX. The half-life of SMX degradation is estimated to be 3.1 ± 0.2 and 6.5 ± 0.6 days in the experimental well and observation well, respectively, under suboxic/anoxic conditions.

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Section: Methodsmentioning

confidence: 99%

Determination of Sulfamethoxazole Degradation Rate by an in Situ Experiment in a Reducing Alluvial Aquifer of the North China Plain

Dillon

Zheng

2019

Environ. Sci. Technol.

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“…There is an inertial pump for sampling fluid in a small-diameter wells (Li et al, 2012; Lu et al, 2016; Yonggui, 2018), it has one or more check valves at the end of the tube, which can be pumped up by moving the tube up and down mechanically or manually. This technique is often used in fluid sampling, geological exploration and other fields.…”

Section: Introductionmentioning

confidence: 99%

Development of a novel piezoelectric-actuated inertial pump using bionic valve

Ding

Chen

et al. 2021

Journal of Intelligent Material Systems and Structures

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Sampling fluids from the small-diameter deep pipeline is a challenging problem. In this paper, a very simple, piezoelectric-actuated inertial pump (PIP) is developed using a bionic valve to solve these problems. The PIP consists of simple components, including a cantilever beam piezoelectric actuator, a hard tube, and a bionic valve made of silicone. The fluid is driven by the inertial force generated in the vibration process of the tube. A new bionic valve inspired by a heart valve has been designed which has the advantages of small flow resistance and large flow area. The authors described the working principle of PIP in detail, established the flow characteristics model of the bionic valve, and used COMSOL Multiphysics to analyze the characteristics of the bionic valve. By comparing the response characteristics of the bionic valve with different tilt angles, the optimal Angle was obtained. Finally, the experimental and simulation results were compared, and the basic performance of PIP was tested. The experimental results showed that: When the tilting angle was 45° and the valve hole diameter was 6 mm, when the voltage was 98 V and the frequency was 24.5 Hz, the maximum output flow of the piezoelectric pump was 170.25 ml/min.

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Nitrate attenuation in low-permeability sediments based on isotopic and microbial analyses

Wang

et al. 2018

Science of The Total Environment

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Performance evaluation of inertial pumps used for sampling groundwater from small-diameter wells

Cited by 3 publications

References 16 publications

Determination of Sulfamethoxazole Degradation Rate by an in Situ Experiment in a Reducing Alluvial Aquifer of the North China Plain

Determination of Sulfamethoxazole Degradation Rate by an in Situ Experiment in a Reducing Alluvial Aquifer of the North China Plain

Development of a novel piezoelectric-actuated inertial pump using bionic valve

Nitrate attenuation in low-permeability sediments based on isotopic and microbial analyses

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