Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Jinyi Qin"'
Publikováno v:
Water Science and Technology, Vol 90, Iss 3, Pp 1070-1081 (2024)
The utilization of Bacillus sp. for the production of bio-CaCO3 in concrete crack repair and strength enhancement has attracted considerable attention. However, microbial-induced calcium carbonate precipitation (MICP) has yet to be explored as a prec
Externí odkaz:
https://doaj.org/article/a4ee77b74a054bb1a082aa8665fa9c13
Publikováno v:
Water Science and Technology, Vol 89, Iss 11, Pp 3093-3103 (2024)
Hydraulic oil leaks during mechanical maintenance, resulting in flushing wastewater contaminated with dispersed nano-oil droplets. In this study, 75 mg L−1 of polysilicate aluminum ferric (PSAF) was stirred at 350 rpm and the optimal chemical oxyge
Externí odkaz:
https://doaj.org/article/a76e15112e3743209054473bab31edd5
Publikováno v:
Molecules, Vol 29, Iss 19, p 4581 (2024)
Nanoporous membranes offer significant advantages in direct contact membrane distillation applications due to their high flux and strong resistance to wetting. This study employs molecular dynamics simulations to explore the performance of membrane d
Externí odkaz:
https://doaj.org/article/e134a08bc24149d6baec4d2c0e681b3b
Autor:
Xiaoguang Li, Xiaohui Wang, Xianju Fang, Xianglong Shen, Liding Huang, Jinyi Qin, Wanzhang Fu, Weiguang Li
Publikováno v:
Materials, Vol 17, Iss 14, p 3480 (2024)
Traditional rock wool fibres are susceptible to crystallization and pulverization. To mitigate this, glass fibres were produced from iron ore waste (IOW). When the ratio of Fe2+ and Fe3+ is 1:3 and the Al2O3 content is 10 wt.%, increasing the FexOy c
Externí odkaz:
https://doaj.org/article/82891ea5907c4d6b8ffc8b819d1824d0
Publikováno v:
Frontiers in Water, Vol 5 (2023)
Following the final biological treatment, the oil wastewater is intended for reuse in factory floor cleaning. However, the presence of varying concentrations of oil-in-iron characteristic wastewater has led to a sudden surge in sludge SV to 90%, adve
Externí odkaz:
https://doaj.org/article/3b2d8b31f00241a296f3f6c4b8fcdb03
Treating mechanical washing wastewater with iron-in-oil characteristics by changing the fate of iron
Publikováno v:
Water Science and Technology, Vol 87, Iss 4, Pp 866-878 (2023)
The mechanical washing wastewater contained a large amount of oil, and the iron wrapped in the oil was slowly released into water. This caused the effluent quality to fluctuate, causing common polymeric aluminum chloride (PAC) to ineffectively remove
Externí odkaz:
https://doaj.org/article/48f749f766164de7a470a4a93e453e7c
Autor:
Panqi Wang, Xiaoguang Li, Xiaoliang Huo, Saddam Ali, Jiazhen Sun, Jinyi Qin, Kun Liang, Yunxiao Liu
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01583- (2022)
To obtain the precast concrete elements with high strength at an early stage, and strike a balance among mechanical properties, economic benefits and sustainable development. The heat of hydration, bound water content, calcium hydroxide content (CH),
Externí odkaz:
https://doaj.org/article/6507dca992f241f9886dbcd40e310bc9
Publikováno v:
Water, Vol 15, Iss 14, p 2566 (2023)
Phenolic compounds in oil wastewater are highly toxic and refractory. Hydrolysis at pH 12 for 12 h makes these compounds more vulnerable to attack and destruction. Under the binding and precipitation of polyaluminum chloride (PAC) at pH 8, the chemic
Externí odkaz:
https://doaj.org/article/823720ec1d984377a0950fc39bdef296
Publikováno v:
Water Science and Technology, Vol 84, Iss 4, Pp 880-891 (2021)
Sewage sludge was subjected to hydrothermal fueling (HTF) (330 °C for 40 min), obtaining hydrochar at 13.5 MJ kg−1. The higher heating value (HHV) of the raw sludge was related to its fatty acid content. The results showed that although the higher
Externí odkaz:
https://doaj.org/article/aee1a7bb0635485487f65e05a4884dec
Publikováno v:
Water Science and Technology, Vol 83, Iss 5, Pp 1108-1117 (2021)
It is difficult to adjust the pH of oil acidized wastewater rich in Ca2+, thus hindering the polyacrylamide (PAM) flocculation. This study aims at accelerating the flocculation process by introducing CO2 into the water to induce the formation of CaCO
Externí odkaz:
https://doaj.org/article/873a79a021894db698aad856ae31a78d