Solid Waste Articles

  • Hard disk shredder for higher level confidential destruction

    With the development of information technology, hard disk is the common storage medium in daily life. Hard drives are solid state drives (SSDs, new drives), mechanical drives (HDDs), hybrids (HHDs are based on new hard disks born of traditional mechanical hard drives). Hard disk shredder ensures confidential destruction is safe and secure ...


    By Harden Industries Ltd.

  • Reliable balers, reliable maintenance - Case Study

    Front Range Maintenance, based out of Littleton, Colorado has been a distributor of Harmony compactors and balers since 1999. The owner, Skeeter Gosney, has been repairing balers and compactors since 1972, and then bought Front Range Maintenance with his wife Linda in 1998. They have a crew of five ...


    By Harmony Enterprises, Inc.

  • Waste-to-Energy Technology Helps Fish Processor Save on Operating Costs - Case Study

    PROJECT DETAILS LOCATION Manta, Ecuador CUSTOMER The Eurofish Group SOLUTION Wastewater Treatment, Waste-to-Energy TECHNOLOGIES Dissolved Air Flotation, Anaerobic Digestion, Double-Stage Nitrification-Denitrification, Final Clarification. In today’s world, ...


    By Fluence Corporation

  • Enhancing dewaterability of waste activated sludge by combined oxidative conditioning process with zero-valent iron and peroxymonosulfate

    The enhancement of sludge dewaterability is of great importance for facilitating the sludge disposal during the operation of wastewater treatment plants. In this study, a novel oxidative conditioning approach was applied to enhance the dewaterability of waste activated sludge by the combination of zero-valent iron (ZVI) and peroxymonosulfate (PMS). It was found that the dewaterability of ...


    By IWA Publishing

  • Rotork IQ3 actuators selected for Brazilian water treatment plant upgrade

    The upgrade at the Rio Manso WTP at Brumadinho in the south east of Brazil involved the building of an additional filter plant, the replacement of obsolete actuators on existing plant and the introduction of a Profibus digital control network. ...


    By Rotork

  • Faecal sludge as a solid industrial fuel: a pilot-scale study

    Revenues from faecal sludge (FS) treatment end products could offset treatment costs and contribute to financially viable sanitation. In urban sub-Saharan Africa, energy-producing resource recovery has the potential to generate greater revenue than use as soil conditioner. In contrast with wastewater sludge, the technical feasibility of using dried FS as solid fuel in industries has not been ...


    By IWA Publishing

  • Case study - Thermoteam – Austria - SRF Refining (Solid Recovered Fuels)

    Customer Thermoteam is a joint venture of Lafarge and Saubermacher. The business objective is the production of Solid Recovered Fuels (SRF) at the location of Retznei (South of Styria) close to the cement works of Lafarge in Austria. Thermoteam has capacity and permission to process 99,500 tonnes of waste per year. The input material varies between pre-treated ...

  • Calculating Economic Impact Of Commercial Organics Ban

    Quantitative and qualitative analysis conducted in Massachusetts indicates growth in employment and revenues after implementation of the commercial organics waste ban. Reducing disposal of food materials, and driving food to higher and better uses, are increasingly top priorities all across America and internationally. Wasting food wastes resources that could be put to a much better use, ...


    By BioCycle Magazine

  • MSW Management: Safely Countering the Rise of Landfill Odors

    One of the core challenges of landfill and compost site management is fighting the rise of foul odors. In addition, as communities expand further out from previous areas, they eventually become neighbors to landfills – calling for a comprehensive odor-control approach to countering odor complaints. In fact, compared to other industrial applications such as wastewater treatment and asphalt ...


    By OMI Industries (OMI)

  • Evaluation of a pilot plant for removal of nitrate from groundwater using ion exchange and recycled regenerant

    A combined system of ion exchange (IX) and advanced biophysical treatment of a recirculating regenerant was tested for nitrate removal from groundwater with minimal brine discharge and chloride addition to the product water. Using well water containing 21.5 ± 1.4 mg NO3−-N/L, optimal IX operation was found at a service cycle of 500 bed volumes (BV). Product water nitrate concentrations ...


    By IWA Publishing

  • Geophysical applications to solid waste analysis

    Abstract: Case studies of regional landfills show that electromagnetic geophysical methods can accurately and inexpensively define boundaries and thickness of waste. Degradation of putrescible solid waste generates conductive leachate that can be imaged with a frequency-domain terrain conductivity meter. Terrain conductivity measurements can be modified through a simple algorithm based upon ...


    By Geonics Limited

  • Performance evaluation of 388 full-scale waste stabilization pond systems with seven different configurations

    Waste stabilization ponds (WSPs) and their variants are one the most widely used wastewater treatment systems in the world. However, the scarcity of systematic performance data from full-scale plants has led to challenges associated with their design. The objective of this research was to assess the performance of 388 full-scale WSP systems located in Brazil, Ecuador, Bolivia and the United ...


    By IWA Publishing

  • Adsorptive removal of As(III) from aqueous solution by waste litchi pericarps

    The present study investigated the removal of arsenite anions (AsO33−, referred to as As(III)) from aqueous solutions by waste litchi pericarps (LPs). Influential factors such as the adsorbent dose, contact time, solution pH, and initial As(III) concentration were investigated. The optimum conditions for As(III) adsorption by the LPs occurred at a contact time of 60 min, adsorbent dose ...


    By IWA Publishing

  • What is Zero Waste?

    Over the past five years or so, leading solid waste and recycling organizations, communities and businesses across the country have increasingly embraced Zero Waste. Zero Waste policies and programs establish practical ways to eliminate waste and safely reuse, recycle or compost discarded products and packaging. However, there has been confusion in the marketplace due to the many definitions of ...

  • Characterization of biochar prepared from slow pyrolysis of Jordanian olive oil processing solid waste and adsorption efficiency of Hg2+ ions in aqueous solutions

    Solid waste from Jordanian olive oil processing (OOSW) was used to prepare biochar samples by slow pyrolysis at terminal temperatures of 350, 450, 550 and 630 °C; henceforth known as BC-350, BC-450, BC-550 and BC-630, respectively. These samples were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy and X-ray diffraction, ash content, moisture content and ...


    By IWA Publishing

  • How & Why We Measure Suspended Solids

    In case you weren’t sure, Suspended Solids is simply a density measurement used to describe exactly how much waste sludge and particles are in the water, and is measured in milligrams per litre (mg/l), grams per litre (g/l) or percentage solid (%). 1000mg/l = 1g/l = 0.1%. It is used to calculate the amount of material, or load, in a wastewater or industrial system. Suspended Solids ...


    By Partech (Electronics) Ltd.

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

    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 the Air” Q&A, we speak with Dr. Laura ...


    By OMI Industries (OMI)

  • Can’t Afford Pond Dredging? We have solutions.

    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 quality by reducing nutrients and sludge through ...


    By Keeton Industries, Inc.

  • SRF plant now operational in South West France

    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 management companies and a member of the French ...


    By UNTHA Shredding Technology

  • Savanna wastewater treatment plant case study

    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 hauling and disposal fees. In-Pipe ...

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