A review on wastewater sludge valorisation and its challenges in the context of circular economy

A Gherghel, C Teodosiu, S De Gisi - Journal of cleaner production, 2019 - Elsevier
The use of wastewater sludge as a source for energy and resource recovery is a good
alternative for its management considering the legislation requirements and the circular …

Opportunities and challenges in sustainable treatment and resource reuse of sewage sludge: a review

A Raheem, VS Sikarwar, J He, W Dastyar… - Chemical Engineering …, 2018 - Elsevier
Sludge or waste activated sludge (WAS) generated from wastewater treatment plants may
be considered a nuisance. It is a key source for secondary environmental contamination on …

Recent developments in Polyhydroxyalkanoates (PHAs) production–A review

PC Sabapathy, S Devaraj, K Meixner, P Anburajan… - Bioresource …, 2020 - Elsevier
Polyhydroxyalkanoates (PHAs) are inevitably a key biopolymer that has the potential to
replace the conventional petrochemical based plastics that pose jeopardy to the …

[HTML][HTML] Polyhydroxyalkanoate bio-production and its rise as biomaterial of the future

T Palmeiro-Sánchez, V O'Flaherty, PNL Lens - Journal of biotechnology, 2022 - Elsevier
The first observation of a polyhydroxyalkanoate (PHA) aggregate was in 1888 by
Beijenrinck. Despite polyhydroxybutyrate (PHB) being the first type of PHA discovered, it …

Recovery of polyhydroxyalkanoates (PHAs) from wastewater: a review

G Mannina, D Presti, G Montiel-Jarillo, J Carrera… - Bioresource …, 2020 - Elsevier
Polyhydroxyalkanoates (PHAs) are biopolyesters accumulated as carbon and energy
storage materials under unbalanced growth conditions by various microorganisms. They are …

Carbon recovery from wastewater through bioconversion into biodegradable polymers

F Valentino, F Morgan-Sagastume, S Campanari… - New biotechnology, 2017 - Elsevier
Polyhydroxyalkanoates (PHA) are biodegradable polyesters that can be produced in
bioprocesses from renewable resources in contrast to fossil-based bio-recalcitrant polymers …

Polyhydroxyalkanoates (PHAs) production: a feasible economic option for the treatment of sewage sludge in municipal wastewater treatment plants?

D Crutchik, O Franchi, L Caminos, D Jeison… - Water, 2020 - mdpi.com
Sludge is a by-product of municipal wastewater treatment plants (WWTPs) and its
management contributes significantly to the operating costs. Large WWTPs usually have …

A glimpse of the world of volatile fatty acids production and application: a review

S Agnihotri, DM Yin, A Mahboubi, T Sapmaz… - …, 2022 - Taylor & Francis
Sustainable provision of chemicals and materials is undoubtedly a defining factor in
guaranteeing economic, environmental, and social stability of future societies. Among the …

Biorefinery strategies for microbial bioplastics production: Sustainable pathway towards Circular Bioeconomy

A Talan, S Pokhrel, RD Tyagi, P Drogui - Bioresource Technology Reports, 2022 - Elsevier
Global concerns related to environment and food security led circular bioeconomy as an
assuring approach to resolve global problems. The biomaterials (bioplastics) and bioenergy …

A process for polyhydroxyalkanoate (PHA) production from municipal wastewater treatment with biological carbon and nitrogen removal demonstrated at pilot-scale

S Bengtsson, A Karlsson, T Alexandersson, L Quadri… - New biotechnology, 2017 - Elsevier
A process was developed for biological treatment of municipal wastewater for carbon and
nitrogen removal while producing added-value polyhydroxyalkanoates (PHAs). The process …