sludge is an excellent
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A great deal of concern must be directed to the proper disposal of these solids to protect environmental considerations.
SVI takes into consideration the mixed liquor suspended solids concentration (MLSS) and the volume that a certain amount of sludge takes up. Generally, a good quality sludge has an SVI in the range of 50-150 mL/gram
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About sludge :
Sludge is like a semi solid muddy deposit or slushy mass sediment. Sludge treatment is necessary before disposal. It is the process where the sewage sludge is managed and disposed properly.
Sludge is produced by big industries from the treatment of waste water. Sludge helps to produce biogas. The anaerobic bacteria decomposes the biogas which helps in production of biogas.
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