Present day, numerous methodologies exist for handling food wastewater domestically and globally, such as the drip filter methodology, activated sludge methodol...
Present day, numerous methodologies exist for handling food wastewater domestically and globally, such as the drip filter methodology, activated sludge methodology, and oxidation pond methodology.
① Drip filter methodology: Drip filter methodology entails allowing wastewater to cascade down from a filter constructed of crushed stone, plastic or alternate materials and come into contact with a slim layer of biofilm adhering to the surface of the filter material. The advantages include a straightforward structure, a compact footprint, minimal maintenance expenses, and exceptional adaptability to variations in water quality and quantity. The drawbacks are that the treatment depth does not equal that of activated sludge methodology, and there remains some residual organic matter necessitating further treatment.
② Activated sludge methodology: Activated sludge methodology, also referred to as biochemical aeration methodology, is the most significant methodology in aerobic treatment. Activated sludge is a flocculent sludge capable of adsorbing and condensing organic and additional substances in wastewater, andoxydizing and decomposing organic matter via the aerobic microorganisms in the activated sludge.
a、 The microorganisms in activated sludge constitute a group composed of diverse microorganisms, primarily bacteria, accompanied by mold and yeast, as well as protozoa and invertebrates.
b、 Activated sludge is subject to a period of domestication.
c、 The activated sludge treatment system primarily comprises a primary sedimentation pond, an aeration pond, aeration apparatus, sludge return apparatus, and a secondary sedimentation pond.
③ Oxidation pond methodology: a natural or artificial pond that harnesses naturally occurring microorganisms and algae in water for aerobic and anaerobic biological treatment of wastewater.
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