Biochar for the Environmental Wastewater Treatment
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".
Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 22020
Special Issue Editors
Interests: wastewater filtration; water reuse; mathematical modeling
Special Issues, Collections and Topics in MDPI journals
Interests: wastewater treatment; wastewater reuse; sustainability; wastewater Engineering; wastewater filtration
Special Issue Information
Dear Colleagues,
The cultivation of agricultural crops requires water, which is estimated on a global scale to be around 70% of our drinking water. Irrigation is necessary if the water demand is not covered by precipitation or stored soil water. This is particularly the case in the arid and semi-arid regions of the earth. The use of treated wastewater can counteract the exploitation of water resources. Conventionally treated wastewater, however, is still contaminated with pathogens, chemical and pharmaceutical residues or viruses, so that a health hazard cannot be excluded if such water is reused for agricultural irrigation. As wastewater is widely available, is not subject to seasonal fluctuations and contains inorganic nutrients such as nitrogen and phosphorus, it is still an attractive water source in many regions with limited water resources. Hence, there is a strong demand for the development of simple, low-cost water treatment systems with a high adoption potential.
Filtration systems are, in general, characterized as low cost, easy to operate and they have a low space requirement. Filter material should have, e.g., a large specific surface area, low bulk densities and should be locally available where wastewater treatment is to be installed. Recently, biochar has been demonstrated to be effective in the removal of organic and inorganic constituents, heavy metals or microorganisms from contaminated water. Compared to many other filter materials, biochar has the advantage that it can be produced from locally available biomass and can be used as a soil amendment after wastewater treatment. The aim of this Special Issue is to discuss both the potential and limits of biochar as a filter material for wastewater treatment.
Dr.-Ing. Manfred Lübken
Guest Editors
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Keywords
- Biofiltration
- Water reuse
- Biochar
- Wastewater treatment
- Pathogens
- Adsorption
- Pyrolysis
- Irrigation
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