Solid Waste Articles

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Q&A: OMI’s Dr. Laura Haupert Discusses Eco-Friendly Odor Solutions for Landfills

by OMI Industries (OMI)  (Jun. 21, 2016)

The waste management arena is continually challenged when it comes to fighting odors, which often become a major nuance for neighbors. Landfills all throughout the U.S. also have to contend with finding the right odor-abatement solutions that are both effective, and safe for employees and surrounding communities. In the following “Clearing ...

Can’t Afford Pond Dredging? We have solutions.

by Keeton Industries, Inc.  (Jun. 8, 2016)

Ponds and lakes naturally accumulate sludge and nutrients that lead to eutrophication and eventually pond or lake death. Natural succession is driving all lakes and ponds to become meadows and eventually forest. To slow or reverse this process and maintain a lake or pond beneficial microbes are critical. These beneficial microbes improve water ...

Evaluation of the energetic potential of sewage sludge by characterization of its organic composition

by IWA Publishing  (Apr. 15, 2016)

The composition of sewage sludge and, thus, its energetic potential is influenced by wastewater and wastewater treatment processes. Higher or lower heating values (HHV or LHV) are decisive factors for the incineration/gasification/pyrolysis of sewage sludge. The HHV is analyzed with a bomb calorimeter and converted to the LHV. It is also ...

SRF plant now operational in South West France

by UNTHA Shredding Technology  (Mar. 14, 2016)

Commissioning of a new waste processing plant in Mende, South West France is now complete. Following almost two years of planning, design, engineering and construction, Environnement 48 began shredding Commercial and Industrial (C&I) waste to produce a Solid Recovered Fuel (SRF), this month. Already one of the region's most established waste ...

Savanna wastewater treatment plant case study

by In-Pipe Technology Company, Inc.  (Mar. 3, 2016)

Performance History and Discussion Jackson, MS selected In-Pipe Technology Company, Inc. for the Savanna WWTP with goals to reduce the quantity of waste sludge for disposal and control FOG in the collection system and at the plant. Jackson, the capital and largest city in Mississippi, was looking for ways to reduce sludge expenses from polymer to ...

Determining anaerobic degradation kinetics from batch tests

by IWA Publishing  (Feb. 26, 2016)

Data obtained from a biomethane potential (BMP) test were used in order to obtain the parameters of a kinetic model of solid wastes anaerobic degradation. The proposed model considers a hydrolysis step with a first order kinetic, a Monod kinetic for the soluble organic substrate degradation and a first order decay of microorganisms. The ...

State Aims to Modernize Mindsets Along with Trash Policies, Facilities

by Blue Sphere Corporation  (Feb. 24, 2016)

By July 1, 2016, the Department of Energy and Environmental Protection (DEEP) is set to revise the state-wide solid waste management plan to include a strategy to divert, through source reduction, reuse and recycling, 60 percent of solid waste generated in Connecticut after January 1, 2026. That figure is more than double the waste currently ...

Do you Have Sludge Build Up in Your Pond?

by Keeton Industries, Inc.  (Feb. 9, 2016)

Smelly and Muddy Water Ponds and lakes naturally accumulate sludge and nutrients that lead to eutrophication and eventually pond or lake death. Natural succession is driving all lakes and ponds to become meadows and eventually forest. To slow or reverse this process and maintain a lake or pond beneficial microbes are critical. These beneficial ...

Flux-step method for the assessment of operational conditions in a submerged membrane bioreactor

by IWA Publishing  (Feb. 8, 2016)

A flux-step method was used for monitoring the pressure variation in a solids separation membrane at different operating conditions. A submerged membrane bioreactor pilot plant, used during the short-term tests, was used to purify actual restaurant wastewater. The influence of membrane backwash and relaxation on the variation of pressure ...

Effect of sodium salt on anaerobic digestion of kitchen waste

by IWA Publishing  (Jan. 22, 2016)

The effect of different sodium salt concentration on anaerobic digestion of kitchen waste was investigated. The methane production performance, the corresponding methane production model and sodium salt inhibition model were studied, and the degradation efficiency was analyzed. With the increase of sodium salt concentration, the methane yield ...

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