... on the treated effluent obtained at the optimal conditions. Then, this was mixed with activated sludge in a ratio of 1 : 10; 99.9% of COD and colour removal was found after 150 and 60 min, respectively. environment pollution waste management & disposal 18 05 2021 20 05 2021 ICE...

... : Q g = Q T , c = c g 09 01 2021 12 05 2021 ICE Publishing: All rights reserved 2021 groundwater hydrology & water resource pollution Measurement for water management is a necessary task. In this regard, the issue of evaluation is raised...

... customers while offering wider benefits for the environment and the local community. environment pollution sustainability 24 10 2019 05 03 2021 ICE Publishing: All rights reserved 2021 Table 2. Summary of SIMCAT-SAGIS WRC scenarios Scenario Description...

... the evolution of a pollutant cloud at different times and at different distances downstream of the release point, accurate estimation of the longitudinal dispersion coefficient is necessary. Rivers are usually in the form of a compound cross-section, consisting of a main channel and one or two floodplains...

... arrangement of treatment stages that leads to a relatively compact footprint. Existing knowledge about the influence of their design and configuration on hydrological, stormwater pollutant removal and long-term performance is limited and this has been identified as a barrier to their widespread uptake. Long...

... environment pollution river engineering It is well known that phosphorus, one of the most important nutrient elements for plant growth (Barlow et al., 2003), plays an important role in triggering freshwater eutrophication. Phosphorus is most likely adsorbed to sediment surfaces in the form...

... of petrochemical sludge with 150 mg/l potassium carbonate as the catalyst (550°C, 26 MPa) 04 10 2014 22 04 2015 ICE Publishing: All rights reserved 2015 pollution waste management & disposal environment With the development of economies and water transportation...

...: All rights reserved 2015 environment hydraulics & hydrodynamics pollution A area of the efflux section B_j specific flux of buoyancy d_j diameter of the nozzle at the efflux section F,G functions...

... materials to be circulated as attachments to these particles. Rivers could thus act as self-purifying systems that may be effective in decreasing pollution sources. On the other hand, Huang (2003) reported that the resuspension of sediments through dredging, tides, floods and cleaning of silting basins...

... based on eight major tidal constituents. Two environmental indicators – dissolved inorganic nitrogen and chemical oxygen demand – were chosen as nutrient and pollution indicators, respectively, according to the actual pollution conditions. Both land-based sources (carried by the discharges) and air...

... (3) q e = q m K C e 1 + K C e 20 9 2011 25 4 2011 ICE Publishing: All rights reserved 2013 mathematical modelling pollution river engineering Hydrodynamic specialists and environmental engineers need to be able to predict...

... defining SMC to predict long-term total phosphorus loads at 17 urban catchments in the USA. mathematical modelling pollution water supply C_a arithmetic mean C_fw flow-weighted mean C_g geometric mean...

... from the ground surface ranges from 1 m to more than 50 m. The primary land use is agriculture, which is the main source of pollution; the concentration of groundwater nitrates southwest of the city of Izeh has exceeded the maximum allowed drinking water concentration (45 mg/l). One of main...

... that natural and anthropogenic processes jointly control the evolution of groundwater chemistry in regional groundwater systems like Niangziguan. 08 12 2010 11 7 2010 ICE Publishing: All rights reserved 2011 groundwater pollution water supply As the source of water supply...

..., by presenting river diffuser discharge technologies and procedures for demonstrating compliance of discharges that employ these technologies. ICE Publishing: All rights reserved 2011 environment pollution sewage treatment & disposal Although considerable efforts have been made in Europe...

... pollution Estuaries and coastal plains are natural environments that enable anthropogenic activities to flourish. Access to trade routes and the availability of receiving waters for large volumes of waste, often situated in highly scenic locations, historically attracted people to these locations...

... wastewater that has been discharged into the rivers has degraded the quality of sediments in the river system. The present study showed that sediments in the To Lich and Kim Nguu rivers are heavily polluted with heavy metals. Metal concentrations in sediments appear to be closely related to the type...

... reduced to 240 mg/l, from participation in Equation 6. 19 2 2009 17 7 2008 geology groundwater pollution Groundwater is the major source of drinking water in rural India and accounts for nearly 80% of the rural domestic water needs (Kumar and Shah, 2004). Although...

... 2008 © 2010 Thomas Telford Ltd 2010 pollution sewage treatment & disposal waste management & disposal The activated sludge process is the most common wastewater treatment process (Tchobanoglous et al., 2002). The biomass in activated sludge are self-flocculating...

... concentrations, is primarily caused by pollutants mobilised during wet weather in river and urban drainage catchments discharging close to beaches. This paper reports on a study carried out with data for two sites in western Scotland, Irvine and Saltcoats, where good quality radar data and a high number of water...