Essays about: "Discharge standards"

Showing result 1 - 5 of 20 essays containing the words Discharge standards.

1. 1. Electromagnetic compatibility of unmanned aircraft : Examination of legislation and evaluation of two commercial systems

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Alex Bergdahl; [2022]
   Keywords : Electromagnetic compatibility; Unmanned aircraft; Electromagnetic compatibility legislation;

   Abstract : Electromagnetic compatibility (EMC), or the field of reducing emissions from and increasing immunity against electromagnetic interference, is an essential part of designing modern electronics. As one would expect, EMC is especially important for things such as aircraft and aviation equipment where outages or disturbances could have severe consequences. READ MORE

3. 2. Influence of Wastewater DOM Fractions on the Adsorption of Pharmaceuticals onto Activated Carbon

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Koustubh Karande; [2022]
   Keywords : Wastewater treatment; Dissolved organic matter; Pharmaceuticals; Activated carbon; Hydrophobicity; Molecular weight; Water resources engineering; Technology and Engineering;

   Abstract : Micropollutants in our sources of freshwater is an issue which requires immediate attention. The presence of pharmaceuticals, endocrine disrupting agents, pesticides and other harmful compounds have proven to have impact on the aquatic as well as on human life. READ MORE

4. 3. Potential of waste-derived VFAs-bearing effluents as an external carbon source for MBBR denitrification of domestic wastewater

   University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

   Author : Seyed Reza Manafi Khosroshahi; [2022]
   Keywords : Volatile fatty acids; Denitrification; Wastewater treatment; Biological nutrient removal; Nitrate removal; Electron accepter; Carbon source; Electron doner; Moving bed biofilm reactor; Nanofiltration; VFA concentration; Discharge standards; Carriers; acclimatization; VFAs; MMBR; NF; WWTP; BNR;

   Abstract : In conventional wastewater treatment plants, methanol, ethanol, and acetate are used as carbon source for the denitrification process in the biological nutrient removal. However, growing concern regarding economical costs and carbon footprints from the fossil-based production of these chemicals have forced the companies to look for other alternatives. READ MORE

5. 4. Experimental Tests of Pre - placed Aggregate Concrete for Concrete Repairs

   University essay from KTH/Betongbyggnad

   Author : Husseen Hassan; Abdifatah Sahal; [2020]
   Keywords : Shrinkage; Compressive strength; Splitting tensile strength; Freeze-thaw; resistance; Pre-placed aggregate concrete; PREPAC; Slag; Krympning; Tryckhållfasthet; Spräckhållfasthet; Frostbeständighet; Injekteringsbetong; PREPAC; Slagg;

   Abstract : Since a large part of the hydropower structures in Sweden was built in the 1950s and 1960s, many of them are slowly but surely exhibiting deterioration. The hydropower companies are facing big challenges and are consequently investing in effective repairing methods since a hydropower structure failure could pose serious consequences and dangers to people, the environment, and the community. READ MORE

6. 5. Increased leaching of metals as a result of foundation work

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Emmy Mattisson; [2018]
   Keywords : Principal components analysis; Modified double mass analysis; Geochemistry; Sulphide bedrock; Remediation methods; Surface water pollution;

   Abstract : Heavy metal contamination in the environment is a global issue that is likely to increase in the future. This report investigates a construction area in which increased concentrations of the heavy metals cadmium, cobalt, copper, nickel and zinc and a decreased pH-value has been observed in the surface water recipient. READ MORE