Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Biological Treatment of Effluent and Waste Water

Biological Treatment of Effluent and Waste Water

Biological wastewater treatment relies on the metabolic activity of microorganisms to remove pollutants from sewage. In modern treatment systems, this process is organized into sequential stages that progressively reduce solid material, dissolved organic matter, and microbial contamination. Each stage plays a distinct role in improving water quality and preparing the effluent for safe discharge or reuse.Primary and Secondary TreatmentPrimary treatment is a physical process that removes large...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Synergistic enhancement of cadmium remediation by cadmium-resistant microorganisms immobilized on biochar.

RSC advances·2026

Same author

Alterations in intestinal development and barrier function in response to dietary β-mannanase in growing broilers.

Frontiers in veterinary science·2026

Same author

SRSF1/Mcl-1 Axis Drives Apoptosis Evasion and Shapes the Immune Microenvironment to Promote Gastric Cancer Progression.

Human mutation·2026

Same author

Weather-Robust Foreign Object Detection on Transmission Lines via Physics-Driven Complex Wavelet Unrolling.

Sensors (Basel, Switzerland)·2026

Same author

Short-term exposure to air pollution and Mycoplasma pneumoniae infection risk: a distributed lag nonlinear analysis.

International journal of environmental health research·2026

Same author

Correction to: Crosstalk between autophagy and ferroptosis related genes in osteoarthritis: insights from transcriptomic and in vitro analyses.

Irish journal of medical science·2026

Search research articles

Related Experiment Video

Updated: Jul 5, 2026

Harvesting and Disaggregation: An Overlooked Step in Biofilm Methods Research

Harvesting and Disaggregation: An Overlooked Step in Biofilm Methods Research

Published on: April 22, 2022

Energy-efficient sludge sonication: power and sludge characteristics.

Guangming Zhang¹, Panyue Zhang, Jing Yang

¹State Key Lab of Urban Water Resource Environment, Harbin Institute of Technology, Harbin, China. gmgwen@gmail.com

Bioresource Technology

|May 21, 2008

Summary

This summary is machine-generated.

Optimizing ultrasound treatment for sludge significantly enhances energy efficiency. Key factors like solid concentration and ultrasonic intensity were identified to maximize sludge lysis effectiveness, reducing energy consumption.

More Related Videos

Dispersion of Nanomaterials in Aqueous Media: Towards Protocol Optimization

Dispersion of Nanomaterials in Aqueous Media: Towards Protocol Optimization

Published on: December 25, 2017

Generation and Quantitative Analysis of Pulsed Low Frequency Ultrasound to Determine the Sonic Sensitivity of Untreated and Treated Neoplastic Cells

Generation and Quantitative Analysis of Pulsed Low Frequency Ultrasound to Determine the Sonic Sensitivity of Untreated and Treated Neoplastic Cells

Published on: July 22, 2015

Related Experiment Videos

Last Updated: Jul 5, 2026

Harvesting and Disaggregation: An Overlooked Step in Biofilm Methods Research

Harvesting and Disaggregation: An Overlooked Step in Biofilm Methods Research

Published on: April 22, 2022

Dispersion of Nanomaterials in Aqueous Media: Towards Protocol Optimization

Dispersion of Nanomaterials in Aqueous Media: Towards Protocol Optimization

Published on: December 25, 2017

Generation and Quantitative Analysis of Pulsed Low Frequency Ultrasound to Determine the Sonic Sensitivity of Untreated and Treated Neoplastic Cells

Generation and Quantitative Analysis of Pulsed Low Frequency Ultrasound to Determine the Sonic Sensitivity of Untreated and Treated Neoplastic Cells

Published on: July 22, 2015

Area of Science:

Environmental Engineering
Chemical Engineering
Acoustics

Background:

Sludge treatment is energy-intensive.
Improving energy efficiency in sludge treatment is crucial for sustainability.
Ultrasound technology offers potential for enhanced sludge lysis.

Purpose of the Study:

To optimize ultrasound parameters for energy-efficient sludge treatment.
To evaluate the impact of sludge characteristics on sonication efficiency.
To establish a new metric for assessing energy efficiency in sludge sonication.

Main Methods:

Optimization of sludge organic content, solid concentration (TS), ultrasonic intensity, and treatment time.
Introduction and application of a novel energy efficiency index (kWh/kgSCOD-increase).
Investigation of sludge lysis under varying ultrasonic conditions and solid concentrations.

Main Results:

Energy efficiency ranged from 102-347 kWh/kgSCOD-increase.
Higher volatile solids to total solids (VS/TS) ratio correlated with improved energy efficiency.
Optimal solid concentration was 20g/L; lower concentrations increased energy use by 137%.

Conclusions:

Sludge sonication efficiency is influenced by VS/TS ratio, solid concentration, and ultrasonic intensity.
Optimal conditions include a solid concentration of 20g/L and a sound intensity around 31.4W/cm(2).
Intensive, short-duration sonication is more energy-efficient than prolonged treatment.