Archive


Frequently Asked Questions About Biosolids Safety

The use of biosolids on agricultural land has many proven benefits. However, strict guidelines must be followed in order to protect human health and the environment. In Canada, The Ministry of Environment (MOE) sets the criteria before biosolids are considered suitable for farming. The exact location where the biosolids will be spread must also be…

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Mitigating Pathogens in Sludge and Biosolids

Fecal matter found in sludge and biosolids have been used as fertilizer for agriculture for many years. But before it is applied, it must pass strict regulatory guidelines to limit the number of coliform organisms or pathogens in sludge. This is important because if these biosolids are not treated properly, it could contaminate crops and…

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Advanced Oxidation Processes in Industrial Wastewater Treatment

Water is an essential component that many industries depend. In fact, we all do! From agriculture to power generation, water is valued for its biological, chemical and physical properties. One key industry that utilizes water in large quantities is the oil and gas sector. Therefore when discussing industrial wastewater treatment, looking to the oil and…

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The Treatment of Industrial Wastewater in Canada

Canada has one of the largest renewable water supplies in the world. But according to the Government of Canada website, over 150 billion litres of untreated and under treated wastewater (sewage) is still dumped into waterways annually. Water recycling in Canada is done on a relatively small scale and depends on policies enacted by the…

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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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