Micro-oxygen Process Improved Synthesis of PHAs with Undomesticated Excess Sludge
Sign Up to like & getrecommendations! Published in 2020 at "Applied Biochemistry and Biotechnology"
DOI: 10.1007/s12010-020-03322-w
Abstract: Polyhydroxyalkanoates (PHAs) are a potential substitute for traditional plastics. Synthesis of PHAs using excess sludge without additional domestication as a mixed microbial culture can reduce production costs. PHAs were synthesized using excess sludge (R1) from… read more here.
Keywords: excess sludge; synthesis phas; micro oxygen;
Biological minimization of excess sludge in a membrane bioreactor: Effect of plant configuration on sludge production, nutrient removal efficiency and membrane fouling tendency.
Sign Up to like & getrecommendations! Published in 2018 at "Bioresource technology"
DOI: 10.1016/j.biortech.2018.03.035
Abstract: Excess sludge minimization was studied in a MBR with pre-denitrification scheme. Sludge minimization, nitrogen removal performance and membrane fouling tendency were investigated in two configurations, characterized by a different position of the sludge retention reactor… read more here.
Keywords: minimization; excess sludge; membrane fouling; sludge ... See more keywords
Residue metals and intrinsic moisture in excess sludge improve pore formation during its carbonization process
Sign Up to like & getrecommendations! Published in 2020 at "Carbon"
DOI: 10.1016/j.carbon.2019.09.046
Abstract: Abstract Excess sludge, a carbon-rich valuable by-product from wastewater treatment, is utilized as a carbon precursor for synthesizing porous activated carbon. However, improving specific surface area (SBET) is the main challenge for the sludge derived… read more here.
Keywords: carbonization process; excess sludge; carbon; sludge ... See more keywords
Efficacy of a high-pressure jet device for excess sludge reduction in a conventional activated sludge process: Pilot-scale demonstration
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.05.084
Abstract: Abstract Application of a high-pressure jet device (HPJD) is promising for the reduction of excess activated sludge from aeration tanks in wastewater treatment plants. Nevertheless, proving the feasibility of an HPJD installed in the return… read more here.
Keywords: reduction; cas; hpjd; excess sludge ... See more keywords
Conditioning for excess sludge and ozonized sludge by ferric salt and polyacrylamide: Orthogonal optimization, rheological characteristics and floc properties
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.05.102
Abstract: Abstract Effects of molecular weight (MW), charge density (CD) and structure of polyacrylamide (PAM) on conditioning of excess sludge (ES) and ozonized sludge (OS) with/without ferric salt pretreatment (FSP) were investigated by orthogonal experiment. Rheological… read more here.
Keywords: sludge ozonized; ferric salt; ozonized sludge; conditioning excess ... See more keywords
Performance and stratified microbial community of vermi-filter affected by Acorus calamus and Epipremnum aureum during recycling of concentrated excess sludge.
Sign Up to like & getrecommendations! Published in 2021 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2021.130609
Abstract: Vermi-filter combined with wetland plant (VFP) is an eco-friendly and sustainable approach for recycling of excess sludge by joint action of earthworms, wetland plants and microorganisms. However, the effects of wetland plants on sludge decomposition… read more here.
Keywords: community; concentrated excess; performance; wetland plants ... See more keywords
Zero excess sludge wastewater treatment with value-added substances recovery using photosynthetic bacteria
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.119581
Abstract: Abstract Conventional wastewater treatment processes produce large amounts of excess sludge that demand expensive treatment and disposal. This study proposes a new strategy of zero excess sludge wastewater treatment using photosynthetic bacteria with value-added substances… read more here.
Keywords: treatment; excess sludge; wastewater treatment; photosynthetic bacteria ... See more keywords
Sustainable disposal of excess sludge: Post-thermal hydrolysis for anaerobically digested sludge
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2021.128893
Abstract: Abstract Post-thermal hydrolysis process (THP) has been suggested for the anaerobic digestion (AD) of excess sludge to improve the performance such as dewaterability and solids reduction. However, the behind mechanism, energy deficit and potential ecological… read more here.
Keywords: sustainable disposal; post thermal; excess sludge; thermal hydrolysis ... See more keywords
Influence of ultrasonic cell disintegration on excess sludge reduction in a Moving Bed Biofilm Reactor (MBBR)
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Environmental Chemical Engineering"
DOI: 10.1016/j.jece.2019.102997
Abstract: Abstract Sludge handling is a common issue in all biological wastewater treatment methods. In this study, sonication technique as a state-of-the-art technology has been applied to a continuous MBBR system with the aim of sludge… read more here.
Keywords: sludge reduction; disintegration; excess sludge; sludge ... See more keywords
The role of beneficial microorganisms in an anoxic-oxic (AO) process for treatment of ammonium-rich landfill leachates: Nitrogen removal and excess sludge reduction
Sign Up to like & getrecommendations! Published in 2021 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2021.105188
Abstract: Abstract This study comprehensively investigated the performances of the anoxic-oxic processes with (AO-M) and without the beneficial microorganisms (AO-N) for the treatment of the ammonium-rich landfill leachates. Although the AO-M had the lower concentrations of… read more here.
Keywords: process; beneficial microorganisms; removal; treatment ammonium ... See more keywords
Effect of Thermal and Alkaline Disintegration of Excess Sludge on Biodegradation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Ecological Engineering"
DOI: 10.12911/22998993/113151
Abstract: Thermal methods of sludge disintegration can be divided into high temperature (over 100°C) and low temperature (below this temperature). They consist in the supply or removal of thermal energy, contributing to the changes in sludge… read more here.
Keywords: disintegration excess; disintegration; alkaline disintegration; excess sludge ... See more keywords