Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge Raimon Pars Viadera* Pernille Erland Jensena Lisbeth M Ottosena Henrik Hauggaard-Nielsenb Jesper Ahrenfeldtb a Department of Civil Engineering Technical University of Denmark 2800 Kongens Lyngby Denmark The recovery of phosphorus from sewage sludge ash samples obtained from 7 operating sludge incinerators in the UK using a sulfuric acid washing procedure to produce a technical grade phosphoric acid product has been investigated The influences of reaction time sulfuric acid concentration liquid to solid ratio and source of ISSA on P recovery have been examined

Comparison of phosphorus recovery from incineration

Electrodialysis Heavy metals Incineration Low-temperature gasification Phosphorus Sewage sludge ash ABSTRACT Incineration of sewage sludge is a common practice in western countries many Gasification is an attractive option because of its high energy efficiency and flexibility in

2017-2-1A separation of P from the bulk ash is normally required due to its low plant availability and the presence of heavy metals Previously more than 80% of P was recovered from incineration sewage sludge ashes using a two-compartment electrodialytic cell H Hauggaard-NielsenElectrodialytic extraction of phosphorus from ash of low

Extraction of phosphorus and struvite production from the Recovery of phosphorus was carried out by the electrodialytic process combined with struvite formation Experiments were carried out in an electrodialytic cell using either distilled water or nitric acid and extraction times ranged from 1 to 16 days

2009-4-8Electrodialytic remediation was used to remove heavy metals from a suspension of dredged harbour sediment The studied metals Cu Pb Zn and Cd are normally strongly bound in anoxic sediment Six electrodialytic laboratory remediation experiments

[2] B Ebbers L M Ottosen P E Jensen Comparison of two different electrodialytic cells for separation of phosphorus and heavy metals from sewage sludge ash Chemosphere (2015) [3] R Pars Viader P E Jensen L M Ottosen J Ahrenfeldt and H Hauggaard-Nielsen Electrodialytic extraction of phosphorus from ash of low-

Electrodialytic extraction of phosphorus from ash of

2015-11-1Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge Author links open overlay panel Raimon Pars Viader a Pernille Erland Jensen a Lisbeth M Ottosen a Jesper Ahrenfeldt b Henrik Hauggaard-Nielsen c

The maximum extraction efficiency was 75 28 and 85% of the total soil concentration for As Cr and Cu respectively Citrate shows equally good results for Cr and Cu with removal efficiencies of 25 and 82% respectively However citrate was much less effective for removal of As and only showed an extraction efficiency of 41%

Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge Electrochimica Acta (Accepted In Press) Sartorius C von Horn J and Tettenborn F (2012) Phosphorus Recovery from Wastewater-Expert Survey on Present Use and Future Potential Water Environment Research 84 313-322

The present invention relates to an apparatus for electrodialytic extraction of phosphorus from a particulate material in suspension and to a method for electrodialytic phosphorus recovery which uses the apparatus The method may be applied for wastewater treatment and/or treatment of particulate material rich in phosphorus The present invention provides an apparatus for electrodialytic

Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge Electrochimica Acta 6 maj 2015 Andre forfattere Se udgivelse The present invention provides an apparatus for electrodialytic extraction of phosphorus from a particulate material comprising acidic and/or alkaline soluble phosphorus

The present invention relates to a novel process for separation of heavy metals from a suspension comprising heavy metal containing particulate material in which process the heavy metals are removed by use of the electrodialytic remediation set-up The novel process of the present invention may also be used for recovery of phosphorous in cases where the particulate material also comprises

2019-5-25Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge Electrochimica Acta 2015 181 100-108 DOI: 10 1016/j electacta 2015 05 025 Ukrit Samaksaman Tzu-Huan Peng Jia-Hong Kuo Chien-Hsing Lu Ming-Yen Wey

The present invention relates to an apparatus for electrodialytic extraction of phosphorus from a particulate material in suspension and to a method for electrodialytic phosphorus recovery which uses the apparatus The method may be applied for wastewater treatment and/or treatment of particulate material rich in phosphorus The present invention provides an apparatus for electrodialytic

Roskilde University

Electrodialysis Heavy metals Incineration Low-temperature gasification Phosphorus Sewage sludge ash ABSTRACT Incineration of sewage sludge is a common practice in western countries many Gasification is an attractive option because of its high energy efficiency and flexibility in

Phosphorus extraction from agricultural waste aiming at their valorization Trabalho apresentado em Jornadas CERNAS 2015 - Desenvolvimento de uma plataforma para a valorizao do sector agro-industrial e do mundo rural na regio Centro Proena-a-Nova Portugal Portugal 34

Extraction of phosphorus and struvite production from the Recovery of phosphorus was carried out by the electrodialytic process combined with struvite formation Experiments were carried out in an electrodialytic cell using either distilled water or nitric acid and extraction times ranged from 1 to 16 days

2018-6-29the highest release of phosphorus from secondary sludge while kee- ping the or ganic matter content low (II) Lab-scale electrodialytic experiments were conducted to investigate the experi- mental benefit of preferential extraction of mono- or multivalent cations (III) Bench-scale electrodialytic experiments were conducted where a phosphorus

METHOD FOR LOW TEMPERATURE THERMAL DESORPTION OF ORGANIC POLLUTANTS Presented is a method for the low temperature thermal desorption of organic pollutants the method reducing the calories to be applied to a thermal desorption furnace reducing the generation amount of VOCs and minimizing the amount of WO/2017/078415A1

T1 - Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge AU - Viader Raimon Pars AU - Jensen Pernille Erland AU - Ottosen Lisbeth M AU - Hauggaard-Nielsen Henrik AU - Ahrenfeldt Jesper PY - 2014 Y1 - 2014

2019-7-3V LOPES1 N COUTO1 A R FERREIRA1 E P MATEUS1 S PAMUKCU2 ALEXANDRA B RIBEIRO1 ELECTRO-ASSISTED EXTRACTION OF CRITICAL RAW MATERIALS FROM COAL ASH 1 CENSE Departamento de Cincias e Engenharia do Ambiente Faculdade de Cincias e Tecnologia Universidade NOVA de Lisboa 2829-516 Caparica Portugal

1 Electrodialytic extraction of phosphorus from ash of low-temperature gasification of sewage sludge Raimon Pars Viadera* Pernille Erland Jensena Lisbeth M Ottosena Jesper Ahrenfeldtb Henrik Hauggaard-Nielsenc a Department of Civil EngineeringTechnical University of Denmark Building 118 2800 Kongens Lyngby Denmark