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[Chemical Knowledge]：The Difference between Hydrolytic Acidification Tank and Anaerobic Tank -- Towards Efficient Wastewater Treatment

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Wastewater treatment is an important task in the current environmental protection work, for different wastewater properties, we need to use different treatment processes. In the wastewater treatment process, hydrolysis acidification tank and anaerobic tank are two commonly used links, they have both similarities and differences.

hydrolysis acidification tank is part of the wastewater treatment process and is located before the biochemical tank. Its main function is to hydrolyze and acidify organic matter and break down organic waste into smaller organic molecules. These organic molecules can be more readily further broken down and degraded by the biota in subsequent processing stages. Hydrolytic acidification tanks are typically operated under anaerobic conditions, I .e., in the absence of oxygen, allowing the organic material to fermentative breakdown.

In contrast, the anaerobic tank is another link in the wastewater treatment process, closely following the hydrolysis acidification tank. The role of anaerobic tank is more complex, not only can further decompose organic matter, but also through the role of anaerobic microorganisms, the nitrate and sulfate in wastewater reduction, reduce the nitrogen and sulfur content in the water body. Anaerobic microorganisms in the anaerobic tank use organic matter to metabolize and produce small amounts of methane and carbon dioxide, which are reusable energy sources.

In general, both the hydrolysis acidification tank and the anaerobic tank play a key role in the wastewater treatment process. The difference between them is mainly reflected in the mechanism of action and treatment effect. The hydrolysis acidification tank mainly decomposes organic matter into smaller molecules through hydrolysis and acidification, providing a source of organic matter for subsequent processing steps. The anaerobic tank further decomposes organic matter, reduces the nitrogen and sulfur content in the wastewater, and generates reusable energy.

In practical applications, hydrolytic acidification tanks and anaerobic tanks are usually used in combination. By combining the two organically, a higher wastewater treatment effect can be achieved. The combination of hydrolysis acidification tank and anaerobic tank can improve the degradation efficiency of organic wastewater and reduce the workload of subsequent treatment units. In addition, through reasonable operation control, the energy such as methane and carbon dioxide can be utilized to the greatest extent to realize the renewable utilization of energy.

To sum up, hydrolysis acidification tank and anaerobic tank are two indispensable links in the wastewater treatment process. They provide a good foundation for subsequent wastewater treatment through hydrolysis and acidification, further decomposition and reduction. Reasonable combination of these two links can improve the effect of wastewater treatment, reduce the waste of resources, and make a positive contribution to environmental protection.

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