PMID- 35518077
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20220507
IS  - 2046-2069 (Electronic)
IS  - 2046-2069 (Linking)
VI  - 9
IP  - 7
DP  - 2019 Jan 25
TI  - Characteristics of water quality and bacterial communities in three water supply 
      pipelines.
PG  - 4035-4047
LID - 10.1039/c8ra08645a [doi]
AB  - Many cities in China have implemented urban water supply pipe network renovation 
      projects; however, at the beginning of new pipeline replacements, customers often 
      complain about water quality problems, such as red water, odour and other water 
      quality problems. To overcome these frequent water quality problems, this study 
      selected a commonly used ductile cast iron (DCI) pipe, stainless steel (SS) pipe 
      and high-density polyethylene (HDPE) pipe for laboratory simulations of the water 
      quality regularity of new pipes, the variations in pipe inner walls, and the 
      presence of microbial communities. Based on the research results, combined with 
      actual water sample analysis, the stabilisation time of the interaction between 
      the tubings inner walls and bulk water was determined, to allow pipeline cleaning 
      and water quality maintenance. The results showed that the water quality change 
      in the DCI was the most significant, while the SS and the HDPE pipes showed 
      consistent changes with severe initial deterioration, then later stabilisation to 
      meet the required standard. The DCI inner wall changed from a loose porous 
      particle shape to a relatively dense and irregular three-dimensional shape, with 
      the constituent elements mainly being O and Ca. The SS inner wall had a uniform 
      structure in the early stage, but are obvious spherical balls of different sizes 
      formed later, with the elemental composition here mainly being C and O. The HDPE 
      inner wall was smooth and had small perforations in the early stage, while the 
      perforation in the middle and late stages increased to become rough and 
      scale-like at a much later stage. The proportion of Proteobacteria in effluents 
      (72.82% to 86.87%) was significantly increased compared with the influent 
      (48.45%), while the proportion of Proteobacteria (86.87%) in the DCI was 
      significantly higher than in the SS (74.28%) and HDPE pipes (81.68%). Moreover, 
      compared with the influent (23.33%), the Bacteroidetes (2.79% to 3.32%) levels in 
      the effluents were significantly reduced, indicating that the pipe material 
      affects the microbial abundance in water.
CI  - This journal is (c) The Royal Society of Chemistry.
FAU - Liu, Dongpo
AU  - Liu D
AUID- ORCID: 0000-0001-8444-6162
AD  - Shenzhen Water (Group) Co., Ltd Shenzhen 518035 Guangdong China.
AD  - School of Civil Engineering Guangzhou 510006 Guangdong China.
FAU - Jin, Juntao
AU  - Jin J
AD  - Shenzhen Water (Group) Co., Ltd Shenzhen 518035 Guangdong China.
AD  - Cooperative Research and Education Centre for Environment Technology of Tsinghua, 
      Kyoto University Shenzhen 518005 Guangdong China jinjuntao@tsinghua.org.cn.
FAU - Liang, Sichen
AU  - Liang S
AD  - Shenzhen Water (Group) Co., Ltd Shenzhen 518035 Guangdong China.
AD  - Harbin Institute of Technology Harbin 150001 Heilongjiang China.
FAU - Zhang, Jinsong
AU  - Zhang J
AD  - Shenzhen Water (Group) Co., Ltd Shenzhen 518035 Guangdong China.
AD  - School of Civil Engineering Guangzhou 510006 Guangdong China.
LA  - eng
PT  - Journal Article
DEP - 20190130
PL  - England
TA  - RSC Adv
JT  - RSC advances
JID - 101581657
PMC - PMC9060443
COIS- There are no conflicts to declare.
EDAT- 2019/01/30 00:00
MHDA- 2019/01/30 00:01
PMCR- 2019/01/30
CRDT- 2022/05/06 05:54
PHST- 2018/10/18 00:00 [received]
PHST- 2019/01/04 00:00 [accepted]
PHST- 2022/05/06 05:54 [entrez]
PHST- 2019/01/30 00:00 [pubmed]
PHST- 2019/01/30 00:01 [medline]
PHST- 2019/01/30 00:00 [pmc-release]
AID - c8ra08645a [pii]
AID - 10.1039/c8ra08645a [doi]
PST - epublish
SO  - RSC Adv. 2019 Jan 30;9(7):4035-4047. doi: 10.1039/c8ra08645a. eCollection 2019 
      Jan 25.