waste engineering Articles
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Ammunition Manufacturing
An ammunition manufacturing facility was having problems removing copper and zinc from their 900 gpm wastewater system. The process used lime to raise the pH from 1.5 to 10, sodium carbamate for a metal precipitant, and an anionic flocculant to increase the flock size and get the solids to settle in the clarifier. Current chemical costs are estimated at $225,000/year with a significant amount of ...
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UNTHA UK’s waste management expertise to take Ireland by storm
The knowledge and experience of UNTHA UK’s waste shredding experts is renowned throughout Mainland Britain, but the company’s specialist advice is now being sought even further afield. Led by resource efficiency guru Chris Oldfield, the UNTHA UK team is moving across the Irish Sea to also support customers in Northern Ireland and the Republic of Ireland as they strive to improve ...
By Untha UK Ltd
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Experimental vs. arbitrary landfill diversion targets
An experimental method is developed for setting pragmatic short–term landfill diversion targets of municipal waste in emerging economies. Domestic waste composition is shown to be quite uniform throughout developing countries of Africa, Asia and America. Consequently, the method developed in Brazil is readily exportable to other continents with minor numerical adjustments. It consists of ...
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Project Crazy Horse Salinas California - Municipal Solid Waste Landfill Closure - Case Study
Project: Crazy Horse Landfill Location: Salinas, CA Type: Municipal Solid Waste Landfill Closure Owner: Salinas Valley Solid Waste Authority Engineer: Golder Associates ClosureTurf Size: 68 acres HydroTurf Size: 43,560 sq.ft. Completion: 2013 The Crazy Horse Landfill (CHLF), owned and maintained by the Salinas Valley Solid Waste Authority (SVSWA), had been in service for 75 years, ...
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Treatment of Medical waste
Understanding The Treatment Of Medical Waste There Are Several Different Ways To Treat Medical Waste – But Incineration Is One Of The Safest And Most Effective. The safe treatment and disposal of medical waste is a big challenge for the medical industry. Medical waste can be very dangerous, and it needs to be effectively treated in one way or another before it can be disposed of in a ...
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Using Geosynthetics in Slope Stability
The majority of slope failures within the geosynthetics industry can often be avoided with proper engineering and material selection. However, the factors that affect slope stability can be difficult to discern and measure. Soil thickness, seepage forces, seismic forces, gas uplift, geomembrane texturing, engineering and provision of reinforcing elements are only a few of the factors affecting ...
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Geosynthetics Products Application in Landfills
With the acceleration of the urbanization process, the amount of urban domestic waste is increasing, and there are more and more landfills. In all countries, municipal solid waste is construction waste, garden waste, etc., and municipal solid waste comes from various types of construction waste generated by residents’ daily waste, municipal engineering, etc., and kitchen waste generated by ...
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Waste tire recycling: environmental benefits and commercial challenges
Recycling is alive and well in many industrial sectors. This article addresses worn or wasted tyres and evaluates the extensive recycling already achieved. This study addresses the efforts of the State of California and the US Army Corps of Engineers to stimulate tyre recycling, demonstrating the public sector commitment currently necessary. Albeit, private markets are on the verge of commercial ...
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Drivers of solid waste minimisation in Finnish metal engineering SMEs: the role of Environmental Management Systems
The paper reports on a survey in Finnish small- and medium-sized metal engineering enterprises (SMEs) with certified Environmental Management System (EMS). Waste awareness has increased after certifying EMS and the treatment of solid waste has improved; source separation of solid waste facilitated the recovery of recyclables and their diversion from landfill. EMS has raised knowledge levels, in ...
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Municipal waste management & handling
Several MSW management practices, such as source reduction, recycling, and composting, prevent or divert materials from the wastestream. Source reduction involves altering the design, manufacture, or use of products and materials to reduce the amount and toxicity of what gets thrown away. Recycling diverts items, such as paper, glass, plastic, and metals, from the wastestream. These materials are ...
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Which Material is Best as A Liner for A Landfill
Landfill leakage pollution is very harmful to the environment. After the soil is polluted, it will be salinized, poisoned, parasites, pathogenic bacteria and other pathogens in the soil can make people sick. Infiltration can also contaminate groundwater and enter the human food chain, causing serious harm to the human body. Artificial material impermeability: geomembrane are usually high-density ...
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What You Should Learn About Tire Recycling Machines
Waste tires really are a significant problem for most countries all over the world. They could lead to pollution, proliferate diseases, and also endanger wildlife. The most recent waste tyre recycling plant make use of a green-technology to dump waste tires. The Tire Recycling Process Machinery that is used for shredding rubber tires is almost expensive and complex. The machines that happen to be ...
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Mater-bi starch-based materials : present situation and future perspectives
The environmental impact related to the emissions of gases with green-house effect and the management of solid waste disposal with regard to the decreasing availability of landfills, the litter problem and the pollution of the marine environment became very urgent in the last decade. An obliged approach to solve the problem is: the valorisation of waste as a resource through its separation into ...
By ORBIT e.V.
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Kiverco to provide a third waste system to Haulaway Plant.
Kiverco has been chosen to design a new static solution for Haulaway Plant for their new facility in Polegate, East Sussex. The new waste processing system will be used to process and separate different types of plastic and is the third plant that the Company has purchased from Kiverco. The new machine will be capable of processing up to 25tph and will enable the separation of various plastic ...
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CH#835 - Grease Removal
The problem of degrading 6,000+ ft of grease daily has an easier solution than thought at the 27 MGD a Massachusetts Waste Water Treatment Plant. 'At one time, the plant had more grease in its scum pits than it could handle,' said an engineer . 'Worse yet, there was nowhere to put it. Local landfills stopped accepting greasy solids.' Now the plants grease problem has been virtually solved. ...
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Revolutionizing Waste Management: Ingenuity of the 1 Ton Plastic Pyrolysis Plant
Genesis: Plastic Pyrolysis Process Plastic pyrolysis is a revolutionary method for dealing with the escalating issue of plastic pollution. At its core, it involves the pyrolysis of waste plastic, a thermal decomposition process that breaks down plastic polymers into smaller molecules in the absence of oxygen. This process holds immense potential for environmental conservation, as it allows for ...
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What is energy recovery?
Processes like incineration and anaerobic digestion not only provide sources of energy, but they also reduce waste volume The term “energy recovery” often is applied only to a narrow number of methods for converting wastes into energy, when in fact it applies to a broad range of technologies used to create heat, electricity, or fuel. Energy recovery gives governments and businesses ...
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How do waste recycling companies serve people in Canada?
In developed countries such as the United States and Canada in North America and Germany and France in Europe, Japan and China and South Korea in Asia and Australia in the Pacific, due to high economic and industrial rankings, the production of waste is very high. Waste from iron, plastic, paper, food, electronics, construction, etc. is produced in large volumes in these countries. Companies, ...
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The Most Comprehensive Guide to Pond Liners
Pond Liner Introduction What is the pond liner? There are so many waterproof materials for the pond, such as PVC pond liners, EPDM pond liners, HDPE pond liners, LLDPE pond liners. HDPE is the best choice for pond liners. It is a geomembrane sheet made of HDPE resins and other additives. Now the following is the details of pond liners: HDPE pond liners’ main material is 97.5% HDPE resin, ...
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Environmental issues and management strategies for waste electronic and electrical equipment
One of the great technological advancements of the 20th century has been the worldwide development of information access and communications through electronic technology. With the introduction of new technologies inevitably comes the issue of the management of discarded hardware. The growth of waste and recyclable material from the electronics and electricity age has been remarkable. The ...
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