| 1. | They also have a large chemical oxygen demand ( COD ).
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| 2. | The International Organization for Standardization describes a standard method for measuring chemical oxygen demand in ISO 6060.
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| 3. | Those chemical reactions create what is measured in the laboratory as the "'chemical oxygen demand "'( COD ).
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| 4. | Simultaneous Chemical oxygen demand, and Nitrogen and Phosphorus removal, can be easily integrated in a discontinuous fed system.
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| 5. | This is measured by the levels of biochemical oxygen demand ( BOD ) and chemical oxygen demand ( COD ).
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| 6. | Foam separation has also been found to decrease the chemical oxygen demand when used as secondary treatment technique for wastewater.
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| 7. | The second sample contained a chemical oxygen demand level of 310mg per litre which is above the 100mg per litre permitted.
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| 8. | In 2001 the distillery began using Biobed Modular Plant technology to treat wastewater with low chemical oxygen demand ( COD ) loads.
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| 9. | A 2009 survey shows that the chemical oxygen demand and biochemical oxygen demand in the water body increased drastically after these festivals.
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| 10. | BOD is similar in function to chemical oxygen demand ( COD ), in that both measure the amount of organic compounds in water.
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