Results 21 to 30 of about 7,297,851 (384)

Review on the purification mechanism of mine water by coal mine underground reservoir

open access: yes矿业科学学报, 2023
The purification effect of coal mine groundwater reservoir on mine water mainly lies in the water-rock coupling between the rock mass and mine water.This paper systematically reviews the research methods of water-rock coupling in coal mine underground ...
Jiang Binbin   +5 more
doaj   +1 more source

Quantitative analysis of self-purification capacity of non-point source pollutants in watersheds based on SWAT model

open access: yesEcological Indicators, 2022
It is of great value to reveal the self-purification capacity of surface-sourced nutrients in the watershed and its change pattern, which is important to enrich the study of self-purification capacity of rivers and provide scientific basis for river ...
Xianqi Zhang   +4 more
doaj   +1 more source

The Use of Chalcedonite as a Biosorption Bed in the Treatment of Groundwater

open access: yesApplied Sciences, 2019
The conducted laboratory tests allowed determination of the efficiency of removing ammonium nitrogen, iron, and manganese in the biofiltration process on chalcedonite beds.
Dorota Papciak   +3 more
doaj   +1 more source

Dynamic and maintenance of water purification ecosystem service in the Guandu River Hydrographic Region, Rio de Janeiro, Brazil [PDF]

open access: yesRBRH, 2023
The present study aimed to develop a methodology for analyzing the dynamics and maintenance of the water purification ecosystem service in the water bodies of the Guandu River Hydrographic Region, responsible for water supplying the Rio de Janeiro ...
Fábio Miranda Gomes Xavier   +2 more
doaj   +1 more source

Modern Possibilities and Prospects for the Using Probiotics from the Group of Self-Eliminating Antagonists in the Treatment of Infectious Diseases

open access: yesZdorovʹe Rebenka, 2014
The article discusses the use of probiotics in modern pediatrics. Attention is given to drugs such as Biosporin and Subalin, research of microorganisms cultures obtained from various discharge in 34,992 patients, and the sensitivity of microorganisms to ...
I.B. Psakhis, T.Ye. Makovskaya
doaj   +3 more sources

Porous Materials for Water Purification.

open access: yesAngewandte Chemie, 2022
Water pollution is a growing threat to humanity due to the pervasiveness of contaminants in water bodies. Significant efforts have been made to separate these hazardous components to purify polluted water through various methods.
Yanpei Song   +3 more
semanticscholar   +1 more source

Water Purification by Shock Electrodialysis: Deionization, Filtration, Separation, and Disinfection [PDF]

open access: yes, 2014
The development of energy and infrastructure efficient water purification systems are among the most critical engineering challenges facing our society. Water purification is often a multi-step process involving filtration, desalination, and disinfection
Aouad, Wassim   +5 more
core   +2 more sources

Solar-assisted membrane technology for water purification: a review

open access: yesWater Reuse, 2021
A shortage of safe drinking water is one of the leading problems in the world. Even in developed countries where water treatment systems are present, safe drinking water may not be always available due to the limitations of advanced water treatment ...
Tsegahun Mekonnen Zewdie   +3 more
doaj   +1 more source

Chromium (VI) Adsorption on Modified Activated Carbons

open access: yesApplied Sciences, 2019
The paper presents the research of adsorptive properties of activated carbons to chromium (VI) removal from the water solution. Different types of carbon were investigated: WD-ekstra (WDA), WD-ekstra modified by salt acid WD(HCl) and nitrogen acid WD ...
Alicja Puszkarewicz, Jadwiga Kaleta
doaj   +1 more source

Removal of organic compounds from natural underground water in sorption and sono-sorption processes on selected activated carbons

open access: yesE3S Web of Conferences, 2017
The article rated removal efficiency of organic matter in the processes of sorption and sono-sorption of underground water grasped for municipal purposes.
Pietrzyk Andżelika, Papciak Dorota
doaj   +1 more source

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