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What Are the Advantages and Disadvantages of Sewage Sludge Incineration

Incineration is a method used to reduce the hazardous elements in dry sludge and can be a viable solution to challenges related to scarcity of landfills. Sewage sludge is often recycled into organic fertilizers known as biosolids. However, there are instances where incineration is the best solution. Experts in Canada maintain that it is an…

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New Studies on Energy Efficient Wastewater Treatments

Water quality and waterborne diseases are increasing concerns in rapidly growing cities. Municipal wastewater from households and industries must be properly treated before it can be safely released in the water system. The global market for wastewater recycling and reuse reached nearly US$12.2 billion in 2016 and is expected to reach over US$22 billion by…

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Producing Renewable Energy from Sewage Sludge

With the rapid urbanization and ballooning population in many cities, it is vital to find a sustainable solution to treating waste. Wastewater plant managers are always looking to optimize the use of by-products from sewage sludge. Renewable energy from wastewater treatment presents a promising opportunity. We discuss the different technologies available to derive energy from…

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Addressing Human Waste Fertilizer Dangers Due To Pharmaceutical Residues

Advances in medicine have made maintaining health and curing diseases possible with the use of pharmaceuticals such as antibiotics. However, the increasing use of these drugs have brought about concerns on the negative impact of pharmaceutical residues on the environment. Pharmaceutical residues mainly enter the environment through excretion, either as the original pharmaceutical compound, or…

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Sewage Treatment Odour Control Using Metal Salts

The most difficult challenge facing any water treatment facility is sewage treatment odour control. Whatever benefits the plant may bring are often overshadowed by the stigma of the odours it emits. Even government regulations cannot properly determine the performance indicators needed to make these plants neighborhood friendly. These odours could waft into parks and other…

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New Study May Provide Possible Solution to Estrogen in Biosolids Run-off

A new study conducted by Penn State’s College of Agricultural Sciences showed that shallow disk injection compared to the surface broadcast of manure into the soil considerably lowered estrogen in biosolids runoff. The former biosolids application method may be an effective strategy in controlling the mobilization of estrogen thereby significantly improving downstream water quality. The…

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Environmental Benefits of Biosolids

Environmental Benefits of Biosolids

April 11, 2018 | Under Biosolids | Posted by | No Comments

The advantages of biosolids in agriculture are clear. They are naturally abundant in nutrients such as nitrogen and phosphorus that help farmers enrich the soil without the use of chemical fertilizers. Because they contain organic matter, they are less water soluble and the nutrients are less likely to leach into groundwater or be easily washed…

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Manuring in Agriculture: Ontario’s New Management Program

The Ontario Soil and Crop Improvement Association (OSCIA) recently implemented a program to improve its manuring in agriculture efforts and enhance soil health. The program would make a significant investment in qualified nutrient applicators to enhance their systems by offering a 60% cost-sharing scheme which maxes out at $25,000. Wastewater from household and industrial sources…

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Drawing up a Dewatering Management Plan: 4 Ways to Dewater Sludge

Sludge, or the accumulation of waste products that end up in the sewage, contains a considerable amount of water. Before any form of sewage treatment or disposal of waste takes place, water must first be removed from the sludge. Thus, a dewatering management plan is key to the effective treatment of sewage and production of…

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Dispelling Biosolids Human Waste Fertilizer Dangers

In Canada and the United States, biosolids recycling is seen as an environmentally sound and affordable method for managing wastewater. When done according to stringent regulations, biosolids can help communities protect the environment by providing a safe source of organic fertilizers. In Ontario, sewage sludge is required by law to be pre-treated in accordance with…

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