We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Modern Wastewater Treatment Technologies: Trends, Problems, and Prospects
Summary
This review examines modern wastewater treatment technologies including mechanical, biological, and physicochemical methods, highlighting that conventional systems inadequately remove emerging micropollutants such as pharmaceuticals, pesticides, microplastics, and nanoparticles. The authors identify key barriers to progress including high costs, aging infrastructure, and weak governance, and advocate for integrated approaches combining membrane technologies, nanomaterials, and circular economy principles.
Wastewater treatment is one of the key areas in the field of environmental protection and sustainable water resources management. Along with traditional pollutants, micropollutants - pharmaceutical compounds, hormones, pesticides, microplastics, and nanoparticles - are of increasing concern, as they are poorly removed by existing technologies. This paper presents an overview of modern wastewater treatment technologies, including mechanical, biological, and physicochemical treatment. Particular attention is paid to innovative methods such as membrane technologies, nanomaterials, photocatalytic and redox processes, as well as digital control technologies. The advantages and disadvantages of each method are noted, as well as the need for their combined use. The article analyzes the key problems that hinder the development of the water treatment industry: high energy and financial costs, obsolescence of infrastructure, formation of sludge, lack of qualified personnel and weak government control. The prospects for the development of the sector are considered, including the introduction of circular economy principles, recycling of treated water, repeated extraction of resources, transition to decentralized treatment systems and sustainable energy sources. A conclusion is made about the need for an integrated, interdisciplinary approach to the design and modernization of treatment systems, which will take into account both technological capabilities and socio-economic and climatic contexts. This condition is key to achieving sustainable development goals in the water sector.
Sign in to start a discussion.
More Papers Like This
Emerging pollutants in waste water: Challenges and advancements in treatment technology
This review examines the challenges of removing emerging pollutants like microplastics, PFAS, and pharmaceutical residues from wastewater using conventional treatment methods. Researchers found that traditional approaches such as activated sludge and coagulation are often insufficient, while advanced oxidation processes, adsorption-based methods, and novel biological treatments show more promise. The study emphasizes the need for sustainable, energy-efficient solutions and stronger regulatory frameworks to protect water resources.
Advanced Nanotechnology in Wastewater Treatment: Investigating the Role of Nanoparticles in Pollutant Removal, Water Recovery, and Environmental Sustainability
This review examines how nanotechnology-based approaches — including nanoparticle adsorbents, nanofiltration membranes, and photocatalysts — can address persistent water pollutants including pharmaceuticals, microplastics, and heavy metals more effectively than conventional treatment methods.
Removal of microplastics from wastewater: available techniques and way forward
This review surveys the available techniques for removing microplastics from wastewater, including filtration, coagulation, biological treatment, and advanced methods like membrane bioreactors. Researchers found that while conventional treatment plants can remove a substantial fraction of microplastics, significant amounts still pass through to the environment. The study emphasizes the need for upgrading wastewater treatment systems to better capture these emerging contaminants.
Recent approaches and advanced wastewater treatment technologies for mitigating emerging microplastics contamination – A critical review
This review critically assessed advanced wastewater treatment technologies for removing microplastics, noting that conventional treatment plants act as both barriers and point sources for microplastic release into the environment. The study suggests that advanced treatment approaches such as membrane filtration and advanced oxidation processes show promise for improving microplastic removal efficiency from wastewater.
Micro- and nanoplastics removal mechanisms in wastewater treatment plants: A review
This review examines how conventional wastewater treatment plants remove micro- and nanoplastics, and evaluates advanced technologies like membrane filtration and electrocoagulation that could improve removal rates. While existing treatment plants can capture most microplastics, they still release significant quantities into waterways through their enormous discharge volumes. The study highlights that biological treatment steps may also transform microplastics in potentially harmful ways that need further investigation.