Effects of flow speed and circulation interval on water quality and zooplankton in a pond–ditch circulation system

Ma, Lin; He, Feng; Jian, Sun; Huang, Tao; Xu, Dong; Zhang, Yi; Wu, Zhenbin

doi:10.1007/s11356-015-4195-2

Cited by 11 publications

(6 citation statements)

References 49 publications

(49 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The experimental sediments and water were collected and used as we previously described (Ma et al, 2015a). Briefly, four different types of water were collected from sites A, B, C, and D, respectively; two different types of sediments were sampled from sites A and C (Figure 1A).…”

Section: Experimental Water and Sedimentsmentioning

confidence: 99%

“…In order to solve this problem, many types of wastewater treatment systems have been developed and widely used, such as constructed wetland system (Childers, 2020;Torrens et al, 2021), high-rate algal ponds (Evans et al, 2005), mineralbased small-scale active filter system (Gustafsson et al, 2008), sequencing batch reactor-biofilm system (Yin et al, 2015). Recently, our group have developed a new rural wastewater treatment system, pond-ditch circulation system (PDCS), which exhibits the advantages of high efficiency, cheap, and simple management and is an appropriate alternative for rural wastewater remediation (Ma et al, 2015a;Ma et al, 2015b).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Response of Sediment Microbial Communities to the Rural Wastewater in the Pond-Ditch Circulation System

Pan

Liu

et al. 2021

Front. Environ. Sci.

Self Cite

View full text Add to dashboard Cite

Microorganisms played important roles in nutrient removal in Pond-ditch circulation system (PDCS). However, dynamics of microbial community in the PDCS, and responses of rhizosphere and non-rhizosphere microbial community to rural wastewater remains unclear. In this paper, average operational taxonomic units numbers of sediment microbial varied from 10,254 to 17,112, and values in rhizosphere were higher than those of the non-rhizosphere (p < 0.05). Bacillus, Clostridium sensu stricto 1, and Geobacter were the predominant genera in PDCS sediment with relative abundances of 0.52–17.61%, 0.26–8.08%, and 0.20–4.58%, respectively. However, Bacillus, Clostridium sensu stricto 1, and Geobacter genera in rhizosphere were more abundant than those in non-rhizosphere at day 30. Chao 1 index ranged from 10,225 to 17,033 and showed significant positive correlations with all sediment properties (p < 0.05). Chao 1 and Shannon indices in rhizosphere were significant positively related to tartaric acid and total organic carbon, respectively; while significant correlation between Shannon and Simpson indices in non-rhizosphere and oxidation-reduction potential were detected (p < 0.05). Redundancy analysis suggested that lactic acids, proteins, and amino acids had strong positive effects on Geobacter and Clostridiu sensu stricto 12 in the rhizosphere; while Bacillus and Clostridium in non-rhizosphere were significantly affected by sediment ammonia nitrogen and nitrate nitrogen. Environmental variables accounted for 66.9 and 60.3% of the total variation for the microbial community of non-rhizosphere and rhizosphere sediments, respectively. Our results highlight that root exudates and sediment available N alter predominant genera in the rhizosphere and non-rhizosphere, respectively, which is benefit for optimizing removal efficiency of PDCSs in large-scale applications.

show abstract

Section: Experimental Water and Sedimentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Response of Sediment Microbial Communities to the Rural Wastewater in the Pond-Ditch Circulation System

Pan

Liu

et al. 2021

Front. Environ. Sci.

Self Cite

View full text Add to dashboard Cite

show abstract

“…As a result, the river flowed slowly and had poor self-cleaning ability. It was difficult to dilute and diffuse sewage into the river, thus easily causing pollution [ 38 ]. S4, which was relatively far from the main line of water transmission was the site with the worst water quality and also the only site that exceeded 3.0 assessed by CWQII.…”

Section: Resultsmentioning

confidence: 99%

Are the Water Quality Improvement Measures of China’s South-to-North Water Diversion Project Effective? A Case Study of Xuzhou Section in the East Route

Pan

Yuan

Sun

et al. 2020

IJERPH

View full text Add to dashboard Cite

Xuzhou is the hub city of the east route of China’s South-to-North Water Diversion (SNWD) project and implemented dozens of measures to ensure the water quality security of the water transmission line. In order to detect the effectiveness of water quality improvement measures, the monthly water quality data of five water quality parameters from 2005 to 2015 of six state-controlled monitoring sites in Xuzhou section were selected for analysis. The results showed that the water quality improved from 2.95 in 2005 to 2.74 in 2015, as assessed by the comprehensive water quality identification index (CWQII), and basically reached the Class III standards of China’s Environmental Quality Standard for Surface Water (GB3838-2002) from 2011 to 2015. The trend analysis showed that the decline of ammonia nitrogen (NH3-N) was the most obvious among the five water quality parameters. However, the concentrations of phosphorus (TP) showed significant upward trends at three sites. The positive abrupt change of time series of water quality occurred in 2009–2011. The identification of influencing factors of water quality changes by multivariate statistical methods found that the urbanization factor accompanied by a decrease in agricultural nonpoint source pollution emissions and the enhancement of wastewater treatment capacity, the closure of factories with substandard emissions and precipitation were the major influencing factors of most water quality parameters, which confirmed the effectiveness of measures for water quality improvement in Xuzhou.

show abstract

“…The total amount of wastewater treated in 2015 was 185,600 m 3 /day and night, distributed in WWTPs as follows: Nature Based Treatment Technology: Nature Based Treatment (NBT) technology has been used to treat wastewater for a long time. Many on-site systems, such as soil trenches, constructed wetlands, high-rate algal ponds and compound media filter beds, have been used to treat wastewater in small household communities (Matamoros & Bayona, 2013, Ma et al, 2015. All of these methods can be applied to treat decentralized sewage with different efficiencies.…”

Section: Wastewater Management System In Hanoimentioning

confidence: 99%

Wastewater Management in Hanoi: The Possibility of Using a Soft Path Approach

Walsh

McClelland

2022

JSDS

View full text Add to dashboard Cite

Hanoi is known as the City of Lakes because there are some one hundred natural or manmade watercourses within its territory. However, in common with all of Vietnam, more than 60% of the city’s water resources derive from beyond the country’s borders. Much of that water is polluted, both within Hanoi and downstream because wastewater is discharged directly into the Nhue and Day rivers via the Nhat Tuu and Ba sewers, among other channels. International attempts to revive the To Lich River in the city, notorious for its black color and unwholesome smell, have proved to have only limited success. There is some scope for new materials to improve filtration effects and experiments in this area continue. Rapid urbanization in Hanoi has been intensified by the sudden decision to increase the city’s size so that it became comparable to the southern capital of Ho Chi Minh City. This has led to large areas of industrial land being incorporated into municipal water management systems. One possible means of relieving the pressure on these systems would be to employ approaches derived from the soft path of water management. To date, most scientific investigation of these issues depends almost entirely on technocratic approaches to water management issues and the attempt to force technical solutions to deal with social issues. Consequently, this paper investigates the possibility of understanding how Hanoi residents interact with current wastewater management approaches and how their needs might be better met in the future.

show abstract

Effects of flow speed and circulation interval on water quality and zooplankton in a pond–ditch circulation system

Cited by 11 publications

References 49 publications

Response of Sediment Microbial Communities to the Rural Wastewater in the Pond-Ditch Circulation System

Response of Sediment Microbial Communities to the Rural Wastewater in the Pond-Ditch Circulation System

Are the Water Quality Improvement Measures of China’s South-to-North Water Diversion Project Effective? A Case Study of Xuzhou Section in the East Route

Wastewater Management in Hanoi: The Possibility of Using a Soft Path Approach

Contact Info

Product

Resources

About