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Browsing by Author "Vale, Peter"

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Carbon dioxide utilisation in anaerobic digesters as an on-site carbon revalorisation strategy

Bajón Fernández, Yadira (Cranfield University, 2014-11)

The increasing carbon footprint of the water and organic waste sectors has led to water utilities to voluntarily include carbon mitigation approaches within their strategic plans and to an increase in research aimed at ...
Characterisation and control of the biosolids storage environment: Implications for E. coli dynamics

Fane, Sarah Elizabeth; Nocker, Andreas; Vale, Peter; Rivas Casado, Monica; Cartmell, Elise; Harris, Jim A.; Bajón Fernández, Yadira; Tyrrel, Sean F. (Elsevier, 2020-08-15)

E. coli survival in biosolids storage may present a risk of non-compliance with guidelines designed to ensure a quality product safe for agricultural use. The storage environment may affect E. coli survival but presently, ...
Chemically reactive membrane crystallisation reactor for CO2–NH3 absorption and ammonium bicarbonate crystallisation: Kinetics of heterogeneous crystal growth

Bavarella, Salvatore; Brookes, Adam; Moore, Andrew; Vale, Peter; Di Profio, Gianluca; Curcio, Efrem; Hart, Phil; Pidou, Marc; McAdam, Ewan J. (Elsevier, 2019-11-22)

The feasibility of gas-liquid hollow fibre membrane contactors for the chemical absorption of carbon dioxide (CO2) into ammonia (NH3), coupled with the crystallisation of ammonium bicarbonate has been demonstrated. In this ...
Coagulation–flocculation process with metal salts, synthetic polymers and biopolymers for the removal of trace metals (Cu, Pb, Ni, Zn) from municipal wastewater

Hargreaves, Andrew J.; Vale, Peter; Whelan, Jonathan; Alibardi, Luca; Constantino, Carlos; Dotro, Gabriela; Cartmell, Elise (Springer, 2018-07-02)

To ensure compliance with regulatory standards, it is important to examine the potential of treatment technologies to enhance trace metal removal from wastewater. This study investigated the effectiveness of coagulation– ...
Demonstrating commercial hollow fibre membrane contactor performance at industrial scale for biogas upgrading at a sewage treatment works

Houlker, Sam; Rutherford, Tony; Herron, Daniel; Brookes, Adam; Moore, Andrew; Vale, Peter; Pidou, Marc; McAdam, Ewan J. (MDPI, 2021-01-13)

Hollow fibre membrane contactor (HFMC) technology has been developed for CO2 absorption primarily using synthetic gas, which neglects the critical impact that trace contaminants might have on separation efficiency and ...
Enhancing the anaerobic digestion process through carbon dioxide enrichment: Initial insights into mechanisms of utilisation

Bajón Fernández, Yadira; Soares, Ana; Vale, Peter; Koch, Konrad; Masse, Anne Laure; Cartmell, Elise (Taylor and Francis, 2019-03-19)

Carbon dioxide (CO2) enrichment of anaerobic digesters (ADs) without hydrogen addition has been demonstrated to provide a potential solution to manage CO2 streams generated in the water and organic waste sectors, with ...
Full-scale trials to achieve low total phosphorus in effluents from sewage treatment works

Alibardi, Luca; Vale, Peter; Bajón Fernández, Yadira (Elsevier, 2021-02-24)

The tightening of phosphorus (P) standards has forced the UK water industry to identify options to improve P removal in sewage treatment works. This article presents results of 12-month trials testing three technologies ...
The impact of polymer selection and dose on the incorporation of ballasting agents onto wastewater aggregates

Murujew, Olga; Geoffroy, Jordan; Fournie, Emeline; Gioacchini, Elisa Socionovo; Wilson, Andrea; Vale, Peter; Jefferson, Bruce; Pidou, Marc (Elsevier, 2019-11-28)

Ballasted flocculation is an efficient high-rate sedimentation process getting more attention as an advanced P removal technology for levels below 0.1 mg/L. The process is well-known yet only very few studies have investigated ...
Impacts of coagulation-flocculation treatment on the size distribution and bioavailability of trace metals (Cu, Pb, Ni, Zn) in municipal wastewater

Hargreaves, Andrew J.; Vale, Peter; Whelan, Jonathan; Alibardi, Luca; Constantino, Carlos; Dotro, Gabriela; Cartmell, Elise; Campo, Pablo (Elsevier, 2017-10-25)

This study investigated the impact of coagulation-flocculation treatment on metal form and bioavailability in municipal wastewater. Real humus effluent samples were separated into particulate, colloidal and truly dissolved ...
Influence of innate sludge factors and ambient environmental parameters in biosolids storage on indicator bacteria survival: A review

Fane, Sarah Elizabeth; Vale, Peter; Bajón Fernández, Yadira; Cartmell, Elise; Harris, Jim A.; Tyrrel, Sean (Springer, 2019-10-31)

The potential health risks associated with sludge cake application to agricultural land are managed by controlling the levels of Escherichia coli (E. coli) bacteria which indicate the risk of pathogen transfer. Analyses ...
Performance and stability of sewage sludge digestion under CO2 enrichment: a pilot study

Alibardi, Luca; Green, Kevin; Favaro, Lorenzo; Vale, Peter; Soares, Ana; Cartmell, Elise; Bajón Fernández, Yadira (Elsevier, 2017-08-16)

Carbon dioxide (CO2) injection in anaerobic digestion has recently been proposed as an interesting possibility to boost methane (CH4) recovery from sludge and organic waste by converting a greenhouse gas into a renewable ...
Predicting the potential of sludge dewatering liquors to recover nutrients as struvite biominerals

Simoes, Francisco; Colston, Robert; Rosa-Fernandes, Catarina; Vale, Peter; Stephenson, Tom; Soares, Ana (Elsevier, 2020-06-27)

Phosphorus and nutrient recovery from wastewater as mineral salts can support local replenishment of fertilisers and reduce mining, contributing to the circular economy. Wastewater and related streams are rich in nutrients, ...
Reactive media constructed wetland for phosphorus removal: assessing the opportunity and challenges

Murujew, Olga; Le Corre, Kristell; Wilson, Andrea; Bajón Fernández, Yadira; Vale, Peter; Jefferson, Bruce; Pidou, Marc (IWA Publishing, 2024-03-09)

Reactive media present an alternative to gravel in constructed wetlands and have the potential to sustainably and efficiently remove phosphorus from wastewater. In this study, a full-scale steel slag wetland has been ...
The role of pH on the biological struvite production in digested sludge dewatering liquors

Simoes, Francisco; Vale, Peter; Stephenson, Tom; Soares, Ana (Nature Publishing Group, 2018-05-08)

Struvite production mediated by bacteria has opened up a new route for phosphorus recovery from wastewater streams but its application to digested sludge dewatering liquors is not yet well understood. This study investigates ...
Understanding the growth of the bio-struvite production Brevibacterium antiquum in sludge liquors

Simoes, Francisco; Vale, Peter; Stephenson, Tom; Soares, Ana (Taylor & Francis, 2017-12-21)

Biological struvite (bio-struvite) production through biomineralization has been suggested as an alternative to chemically derived struvite production to recover phosphorus from wastewater streams. In this study, statistical ...

Browsing by Author "Vale, Peter"

Browsing by Author "Vale, Peter"

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