Sign In or Create an Account. Advanced Search. Sign In. Skip Nav Destination Article Navigation. Close mobile search navigation Article navigation. Volume 49, Issue Previous Article Next Article. Article Navigation. Research Article May 01 Effects of thermal pre-treatment of sewage sludge on anaerobic digestion.
The maintenance energy of bacteria in growing cultures. Modelling the growth of an oligochaete on activated sludge. Using metazoan to reduce sludge production. Towards a reduction in excess sludge production in activated sludge processes: biomass physicochemical treatment and biodegradation. Excess sludge reduction in activated sludge reduction in activated sludge processes by integrating biomass alkaline heat treatment.
Performance of a biorreactor with submerged membranes for aerobic treatment of municipal wastewater. Feasibility of using a chlorination step to reduce excess sludge in activated sludge process. Complete decomposition of biological waste sludge by thermophilic aerobic bacteria. An activated sludge process without sludge production. A strategy in wastewater treatment process for significant reduction of excess sludge production.
Effects of thermochemical pretreatment on the anaerobic digestion of waste activated sludge. Improved sludge dewatering by enzymatic treatment.
The effect of a pH-adjustment combined with thermal pre-treatment on the dewatering of sewage sludge. The use of ultrasound to accelerate the anaerobic digestion of sewage sludge. Ultrasonic waste activated sludge disintegration for improving anaerobic stabilization.
A model for energy-sufficient culture growth. Sludge production in membrane bioreactors under different conditions. Fluidized bed incineration in capturing trace metals of sewage sludge. Evaluation of current wet sludge disintegration techniques. Minimization of excess sludge production for biological wastewater treatment.
Ths start-up operation and monitoring of high-rate anaerobic treatment systems: Discusers report. Minimisation of costs by using disintegration at a full-scale anaerobic digestion plant. Direct solid-liquid separation using hollow fibre membrane in an activated sludge aeration tank. A full-scale operation of a novel activated sludge process without excess sludge production.
An innovative approach to reduce excess sludge production in the activated sludge process. Irradiation as a means to minimise public health risks from sludge-borne pathogens. Read and print from thousands of top scholarly journals. Already have an account? Log in. Sludge minimisation technologies. Nieto Diez, and F. Our policy towards the use of cookies All DeepDyve websites use cookies to improve your online experience. Need an account? Click here to sign up. Download Free PDF.
A short summary of this paper. Ozonation strategies to reduce sludge production of a seafood industry WWTP. Bioresource Technology — Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.
Otero, A. Franco, A. Mosquera-Corral, E. Ozone doses ranging from 0. Finally, the effect of the pre-ozonation 0. On the basis of the capacity for ozone production available in the industry, a maximum reduction of sludge generated by the WWTP of 7. All rights reserved. Introduction reason, many researchers have focused their efforts to apply sev- eral pre-treatment methods to improve the rate of hydrolysis, thus Excess-sludge treatment and disposal supposes between 50 and enhancing solids removal Goel et al.
Sievers et al. Bougrier et al. Land application of sludge is restricted to avoid health risks activated sludge Acid or base hydrolysis, thermal treatment, ozon- due to the presence of heavy metals or pathogens while building ation, mechanical disintegration Mahmood and Elliott, Therefore, an affective strategy to reduce sludge disposal vated sludge is focused on promoting lysis of biomass by adverse costs could be to minimize its production within the WWTP.
Anaerobic digestion is the most used pro- high reduction percentages of solids Ginestet, Different cess to reduce sludge from the primary settling together with the strategies for ozone treatment can be applied Paul and Debelle- biological excess-sludge. E-mail address: joseluis. Campos et al. A control reactor R1 was di- before recycling it to the biological unit.
A peristaltic pump was used to feed each reactor and an airlift before anaerobic digestion. In to the digester. The systems Goel et al. However, when a dose of order to maintain a similar concentration of biomass and a good 0. An solids reductions were reported Sievers et al. Later, 2. Improved thermal sludge conditioning by treatment with acids and bases. Google Scholar.
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Determination of the maintenance requirement of activated sludge. Possible cause of excess reduction in an oxic-settling-anaerobic activated sludge process OSA process. Water Res. Minimization of activated sludge production by chemically stimulated energy spilling. New approaches to minimize excess sludge in activated sludge systems. Alkaline and ultrasonic pre-treatment of sludge before anaerobic digestion.
Reduction in microbial density level through freezing and thawing. The case of both energetic uncoupling and metabolic selection of microorganisms in the OSA activated sludge system. The aspect of energetic uncoupling of microbial growth in the activated sludge process: OSA system. Clark P Ultrasound in sludge processing: The technology of the future? Innovations Conference, Cambridge. Clark PB and Nujjoo I Ultrasonic sludge pre-treatment for enhanced sludge digestion.
Water Environ. Comparing sludge production under aerobic and anoxic conditions. Minimization of sludge production in biological processes: an alternative solution for the problem of sludge disposal. Effect of ozonation on activated sludge solubilization and mineralization. Ozone Sci. Enhancement of sludge anaerobic digestion by using of a special thickening centrifuge. Solubilization of particulate organic carbon during the acid stage of anaerobic digestion. WPCF 53 3 : — Determination of metal behaviour during solids incineration.
Evaluation of an ozonation system for reduced waste sludge generation. Evaluation of ozonation and cryptic growth for biosolids management in wastewater treatment. Sewage sludge conditioning and disinfection by gamma irradiation. Am J Public Health — Punta del Este, Uruguay pp 2—5, October Microbiology for Environmental Scientists and Engineers. McGraw-Hill, New York. Influence of the ratio of the initial substrate concentration to biomass concentration on the performance of a sequencing batch reactor.
Bioprocess Eng.
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