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A promising method for the liberation and separation of solar cells …
Therefore, the gas-solid fluidized bed may be an ideal means of pre-enrichment for waste solar cells. This work aims at the efficient liberation and separation …
Biological nitrogen removal from low carbon wastewater
Nitrogen has traditionally been removed from wastewater by nitrification and denitrification processes, in which organic carbon has been used as an electron ... Autotrophic denitrification could play a vital role in the treatment of wastewaters with high NO 3 − concentrations such as some industrial wastewaters and groundwater (Pu et al., …
A Comprehensive Review on Wastewater Nitrogen Removal and …
Int. J. Environ. Res. Public Health 2023, 20, 3429 2 of 27 advantages of simple operation, fast reaction speed, and high-speed denitrification [18]. However, chemical methods are labor-intensive ...
Separating and Recycling Plastic, Glass and Gallium from Waste Solar Cell Modules by Nitrogen …
Nowadays, the pyrolysis of solar panel modules in FB reactors has been extensively studied by experimental methods. Zhang and Xu (2016) demonstrated that nitrogen pyrolysis could effectively ...
(PDF) A Comprehensive Review on Wastewater Nitrogen …
Finally, it is proposed that developing effective combinations of different treatment methods and researching new processes with high efficiency, economy, and energy savings, such as microbial ...
Wastewater treatment and energy production by microbial fuel cells …
The increasing demands of efficient and sustainable energy generation methods from waste products have taken a giant leap in the last century, and especially in the previous two decades. Wastewater treatment has also been a much-researched topic in recent years owing to the exponential increase in effluent-laden wastewater from industries, the …
Biological Waste Air and Waste Gas Treatment: …
International contracts to restrict emissions of climate-relevant gases, and thus global warming, also require a critical reconsideration of technologies for treating municipal, commercial, …
Treatment of nitrogen and phosphorus in wastewater by heterotrophic N
Nitrogen (N) and phosphorus (P) are two major pollutants present in aquaculture wastewater, and their concentrations often do not meet discharge standards. In the present study, the N and P removal efficiency of nutrient-deficient cells (S group) was significantly higher than that of photoautotrophic cells (P group) and heterotrophic cells …
Treatment of wastewater containing high concentrations of ammonia nitrogen …
1 INTRODUCTION In recent decades, the increase in ammonia–nitrogen concentration in water has attracted much attention worldwide. 1-3 Industrial wastewater often contains high concentrations of ammonia nitrogen, such as dewatering fluid of digested sludge, landfill leachate, catalyst plant waste, meat processing waste, and …
Nitrogenous Wastes and Its Efficient Treatment in Wastewater
achieved for wastewater treatment containing high nitrogen concentration or low carbon/nitrogen (C/N) ratio, such as municipal wastewater, land fi ll leachate, anaer-
Synergistic treatment of carbon dioxide and nitrogen-containing …
For C-N coupling electrolysis, the pretreatment of N-containing wastewater is beneficial to reduce the interferences of organic and metallic impurities. The established gravity …
Energies | Free Full-Text | Extraction of Nitrogen Compounds from Tobacco Waste via Thermal Treatment …
Alkaloids, typical nitrogen compounds, were found to be abundant in tobacco waste. The recovery of alkaloids from tobacco waste for biological pesticides could reduce the use of traditional chemical pesticides and avoid the pollution of farmland by the leaching of alkaloids from tobacco waste. Considering the fact that alkaloids can …
Removal of nitrogen from wastewater using microalgae and …
3.1. Microalgal solo systems In natural aquatic systems, microalgae assimilate large amounts of nutrients and trace metals during the growing season (Gangstad, Citation 1979).Microalgae can also digest inorganic nitrogen sources, such as nitrate, nitrite, and ...
Removal of chemical oxygen demand and ammonia nitrogen …
One-step removal of COD and NH 3 –N from high salinity TSW was achieved by EO. The removal of COD and NH 3 –N was a competitive reaction in the EO process. COD could be preferentially removed over NH 3 –N. The EO is the first time to realize industrial
Nitrogen-containing wastewater fuel cells for total nitrogen …
Nitrogen-containing wastewater fuel cells for total nitrogen removal and energy recovery based on Cl•/ClO• oxidation of ammonia nitrogen. Panyu Jiang, …
Removal of encapsulant Ethylene-vinyl acetate (EVA) from solar cells …
PVMs are expected to contribute 10% of all e-waste by the year 2050. EVA encapsulant must be removed effectively in order to recover valuable materials from the solar cell [2]. EVA is used in about 80% of solar cells because it is inexpensive, flexible
Full article: Methods of extracting silica and silicon from agricultural waste ashes and application of the produced silicon in solar cells…
Full article: Methods of extracting silica and silicon from ...
Synergistic treatment of carbon dioxide and nitrogen-containing …
The co-reduction of CO2 and N species exhibits great potential to optimize the treatment process of N-polluted wastewater and minimize the impacts of N-containing wastewater …
Advances in nitrogen removal and recovery technologies from …
Microalgae remove nutrients, including nitrogen, via assimilation, resulting in a low energy demand and their application in the treatment of less concentrated streams at a full-scale with a nitrogen removal of 32% and low N …
Chitosan as a sustainable precursor for nitrogen-containing …
Hitherto, chitosan derivatives were used in different areas including flocculating agents for water filtration and waste water treatment, adsorbents to remove heavy metals from aqueous solutions, coating to improve dyeing characteristics of glass fibers, wet strength ...
Highly efficient removal of total nitrogen and dissolved organic …
A novel method for the exhaustive conversion of inorganic nitrogen to nitrogen gas is proposed in this paper and shows great potential for in organic nitrogen …
Sustainability | Free Full-Text | Advances in Nitrogen-Rich …
Chemical treatment of nitrogen-containing compounds in wastewater is possible in many ways, the most promising of which might be the advanced oxidation …
Nitrogen-containing wastewater fuel cells for total nitrogen removal and energy recovery based on Cl•/ClO• oxidation of ammonia nitrogen ...
Nitrogen-containing wastewater fuel cells for TN removal and energy recovery are reviewed. • Photoanode or cathode materials for strengthening Cl•/ClO• generation or NO 3 −-N reduction are discussed. Exhaustive TN removal system through Cl•/ClO• oxidation of NH 3 N/NH 4 +-N and NO 3 − reduction is proposed. ...
New directions in biological nitrogen removal and recovery from …
Nitrogen recovery can be done through cell assimilation with phototrophs, but bottlenecks with solids separation and space requirements limit applications to tertiary treatment. Whereas, microbial electrochemical cells are energy efficient at recovering nitrogen from side streams, but not capable of achieving low effluent levels.
Nitrogen-containing wastewater fuel cells for total nitrogen removal and energy recovery based on Cl•/ClO• oxidation of ammonia nitrogen ...
DOI: 10.1016/j.watres.2023.119914 Corpus ID: 257764226 Nitrogen-containing wastewater fuel cells for total nitrogen removal and energy recovery based on Cl•/ClO• oxidation of ammonia nitrogen. @article{Jiang2023NitrogencontainingWF, title={Nitrogen-containing ...
Simultaneous recycling of waste solar panels and treatment of …
ScW technology was efficiently used in the recycling of the waste PV cells. • Clean water is not mandatory for the treatment of PV cells via ScW technology. • High polymer degradation was achieved via supercritical water technology (>99%). • The inorganic fraction
Development of metal-recycling technology in waste crystalline-silicon solar cells …
Abstract Solar energy is currently one of the most promising clean energy sources and the use of solar energy has led to a rapid increase in the number of solar cells. As one of the fastest-growing electronic wastes, …
(PDF) A Comprehensive Review on Wastewater Nitrogen …
Discharging large amounts of domestic and industrial wastewater drastically increases the reactive nitrogen content in aquatic ecosystems, which causes severe ecological stress ...
Nitrogen cycling and resource recovery from aquaculture wastewater treatment …
In the anammox process for aquaculture wastewater treatment, nitrite and ammonia are converted to nitrogen gas without extra organic electron donors (Ge et al. 2015). Jian et al. ( 2022 ) treated the industrial recirculating aquaculture wastewater through adopted anammox and denitrification processes and achieved ammonia, nitrite, and total …
IJERPH | Free Full-Text | A Comprehensive Review …
Discharging large amounts of domestic and industrial wastewater drastically increases the reactive nitrogen content in aquatic ecosystems, which causes severe ecological stress and biodiversity loss. …
Nitrogen-containing wastewater fuel cells for total nitrogen …
When introducing the mechanism into photocatalytic fuel cells (PFCs), the concept of nitrogen-containing wastewater fuel cells (NFCs) is proposed to treat …