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What Are The Prospects For Using Organic Fertilizer Fermentation Tanks To Treat Municipal Sludge Waste?

municipal sludge waste-post

As commonly understood, sludge refers to the residual sediment left after urban sewage undergoes treatment to meet regulatory discharge standards. This sludge comprises a substantial amount of organic matter, along with beneficial components like nitrogen, phosphorus, and potassium, among others. However, it also contains hazardous elements such as toxic heavy metals. Conventional disposal methods like landfilling, incineration, and repurposing for construction purposes not only waste the organic content and valuable nutrients present in sludge but also pose risks of secondary environmental contamination. In recent years, with the continuous expansion of urban infrastructure and the steady growth in urban population, the scale of sewage treatment has been on the rise. Consequently, there is a pressing need for safe and localized disposal methods for sludge.


Sludge has the characteristics of high moisture content, bulky volume, easy decay and odor, etc., which is not conducive to transportation and disposal. Regardless of the disposal technology adopted, dehydration must first be carried out. Sludge dehydration mainly reduces the moisture content of sludge, reduces the volume of sludge, and reduces transportation and disposal costs.

Municipal sludge

Sludge treatment encompasses the processes of minimizing, stabilizing, and safely managing sludge waste. As the rate of wastewater treatment continues to rise, there is a corresponding increase in the volume of sludge produced, underscoring the importance of effective treatment methods. In addition to traditional approaches like land application or retention in sewage ponds, modern sewage treatment facilities must incorporate specialized sludge treatment systems.

However, managing sludge presents complex challenges, both technically and economically, for these facilities. Consequently, ongoing research and development efforts are dedicated to exploring innovative sludge disposal technologies. This emphasizes the need for solutions that prioritize both the safety of the environment and the efficient utilization of resources. In renovating sewage treatment plants, the adoption of advanced sludge treatment techniques offers diverse options, including incineration, co-processing in cement kilns, and integration into soil remediation projects.


Application:  River sludge, Sewer sludge

Production Capacity: 3~4.5m³/day


urban sludge fermentation tank

Our urban sludge fermentation tanks provide innovative solutions for the effective treatment and management of municipal sludge waste. Designed with advanced technology, the fermenter provides a sustainable and environmentally friendly method of treating sludge produced by municipal wastewater treatment plants.

Designed for reliability and efficiency, our fermenters promote sludge reduction, stabilization, and harmless disposal through a controlled fermentation process. By harnessing the power of microbial activity, organic matter in the sludge is effectively decomposed to produce nutrient-rich organic fertilizer.

The fermenter is equipped with a precise control system to regulate temperature, humidity, and ventilation, ensuring optimal conditions for the fermentation process. As a result, fermenters can operate efficiently while minimizing energy consumption and operating costs.


ParameterValueParameterValue
Tank height8440 mmTank diameter5500 mm
Tank volume height3900 mmMinimum floor area55 m³
Tank volume86 m³Bottom blower11*2 km. h
Treatment capacity7~10 m³/dayOutput3~4.5 m³/day
Daily water consumption1m³(kw.h)Power Supply380V50Hz
Hopper volume1.35Hydraulic station7.5+2.2 kw
Induced draft fan3 km/hSpray Tower1.5 kw/h
Auxiliary heater4 km/hDischarge device2.2 kw/h
Installed Power43.5Operating powerAbout 25 kw/h


  1. 8-12 cubic meters of manure can be input every day.
  2. Put into the fermenter, the aerobic bacteria will be fermented, and the temperature will rise to 65 degrees as the suitable fermentation temperature.
  3. It is appropriate to control 60-70% of water volume.
  4. After 7 days of fermentation, the fermented organic fertilizer will be produced by the discharge belt.
  5. After the organic fertilizer is produced, 8-12 cubic meters of manure can be put in again on the same day to produce a cyclic process.
Principle of urban sludge fermentation tank


With the improvement of wastewater treatment rate, the field of sludge treatment is facing huge development opportunities. With the continuous improvement of sewage treatment technology, the amount of sludge generated is increasing, and effective treatment is urgently needed. Modern sewage treatment plants must be equipped with comprehensive sludge treatment facilities, however, this process is complex and expensive. At present, various regions are committed to the research, development, and improvement of sludge disposal technologies and processes to meet the needs of harmless treatment and resource utilization. Continuous innovation in sludge treatment technology has broadened treatment options, including sludge incineration, cement kiln co-processing, and participation in soil remediation.


Urban sludge fermentation tank site

Among many treatment methods, sludge fermentation treatment of organic fertilizers has many advantages and shows broad development prospects. It has significant advantages such as low investment, low energy consumption, and low operating costs. It can convert part of organic matter into soil conditioner components, which is of great significance to agricultural production. Through the sludge organic fertilizer fermentation tank, the organic matter in the sludge can be converted into humus rich in plant nutrients, effectively reducing the volume of sludge, and eliminating pathogenic microorganisms, parasite eggs, and weed seeds, achieving volume reduction and stability, harmless and resource-oriented goals.

Certificate

In addition, organic fertilizer fermentation tanks are highly mechanized and easy to operate, which can save a lot of labor and processing costs. Its energy-saving and environmentally friendly features are also widely recognized. Through technical means such as microbial thermodynamic auxiliary electric energy and atomization deodorization, it can meet emission standards, reduce harmful gas emissions and environmental pollution, and meet the requirements of modern green ecology. Using conventional fermentation technology, the organic fertilizer fermentation tank occupies a small area, can save site investment, and is conducive to large-scale production, bringing significant economic benefits to manufacturers.

No matter which compost equipment you choose, ABCMachinery can develop a feasible plan for you.

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