In the state of the art of the technique many research have been undertaken on the digestion of sludge by ozone. In these researches the effects of continuous ozone application to different parts of the treatment plants, such as biological reactor, sludge supernatant, return activated sludge line...
return activated sludge controlWastewater Treatment Plant (WWTP) is a very important part of every urban infrastructure, which has to achieve the desired effluent quality with cost-effective operation. Modelling and simulation help to find better operation scenarios and design alternatives, but also to...
Hou et al. [134] reported an integrated technique of fixed film–activated sludge (IFAS) in a membrane bioreactor (MBR), which removed sulfonamide antibiotics from contaminated wastewater with an initial load of 150 μg/L. Another integrated technique of antibiotic waste valorization is bio-...
Waste-treatment processes are enhanced through generation and introduction of specific biological populations customized to perform or favor specific tasks either during the main process, for the formation or precipitation of certain biological nutrients
Additionally, the impact of GO nanocomposite has been evaluated on carbon conversion and methane pro- duction using anaerobic digestion of waste activated sludge [266]. Table 4 represents the summary of waste-generated graphene nanocomposites for significant industrial applica- tions and their impacts. ...
crude glycerol by a mineral medium [142].Bacillus thuringiensisEGU45 produces 1.5–3.5 g/L PHA using crude glycerol and nutrient broth [143]. The combination of crude glycerol and activated sludge with 3 hydroxybutyrate and hydroxy valerate produced 80 Wt% of PHA [144]. The waste glycerol ...
ro.2022.135377 Al Rabadi SJ, Al bkoor Alrawashdeh K, Alawamleh H, Al-Samrraie LA, Al-Tabbal JA (2024) Synergistic impact of nanoscale zero- valent iron in anaerobic co-digestion treatment and biogas upgrad- ing from the organic fraction of municipal solid waste-activated sludge. ...
However, after acidic leaching, a pH swing is often necessary to return the solution to an alkaline environment where carbonate mineralization is preferred. Ammonia salts are used to increase the solubility of other species in the same aqueous system. Complexation uses additives, typically organics, ...
The leachate from the landfill is collected in the sewer and treated at a wastewater treatment plant, with the activated sludge being incinerated. The environmental impacts of the process have been modelled using the same Ecoinvent tool as for incineration (Ecoinvent, 2008), for the mean waste ...
Return on investment SRK Soave-Redlich-Kwong TAI Total annual income TEA Techno-economic analysis TPC Total production cost ULTANAL Ultimate analysis VM Volatile matter WGS Water gas shift WORST Worst case in TEA Yt Years within the operational life of a plant ZVM Zero valent metal 1. Introductio...