Organic Fertilizer Production Process

Different with chemical fertilizer, organic fertilizer derived from organic waste. On the contrary, chemical fertilizer is always made from artificial nutrient elements. Because the long application of chemical fertilizer will cause adverse effect on plants and soil, organic fertilizer become more and more popular. Organic fertilizer is not only beneficial for soil and plants, but also realize the recycle of organic waste. In terms of final products, organic fertilizer production process includes powder production and granules production. On the other hand, organic fertilizer production process includes two phases, composting and deep processing. The detailed information will be introduced below.

3D Design Layouts for Orgnaic Fertilizer Plants Provided by SEEC Engineer Team
3D Design Layouts for Orgnaic Fertilizer Plants Provided by SEEC Engineer Team

How to manufacture organic fertilizer?

As mentioned above, organic fertilizer production process consists of composting organic waste and deep processing of fermented organic waste. Because the direct use of organic waste will do harm to soil and roots of plants and crops. On the other hand, composting can convert organic material to humus by microorganism activity. In addition, organic waste includes manure from livestock and poultry, agricultural waste,  oil cake, and so on.

5 ton per hour pan granulator organic fertilizer production line
5 ton per hour pan granulator organic fertilizer production line

Composting organic waste

Composting period is also a fermentation process. Firstly, you should pile organic waste together, in a groove or on the ground. Secondly, you should regularly turn the compost pile to accelerate composting period and prevent anaerobic fermentation. Finally, when the organic waste becomes black and loose, temperature maintains steady, and the odor disappears, fermentation process finishes. In the process, microorganisms will decompose organic materials and convert them into humus. At the same time, microorganism activity will produce amounts of heat and consume oxygen. For one thing, higher temperature will kill harmful bacteria, eggs and grass seed. For the other thing, too high temperature and less oxygen content will inhibit the microorganism activity, and then influence composting result. Therefore, you should pay more attention to the following aspects.

Self-propelled compost turner for organic waste processing
Self-propelled compost turner for organic waste processing

Self-propelled compost turner for sale

  • Model:LDF-2600(can be customized)
  • Durning width(mm): 2600
  • Durning height(mm): 1100-1300
  • Row spacing(mm): 800-1000
  • Working speed(m/min): 6-10
  • Capacity (m³/h): 1000-1200

Important factors need your attention

The water content of organic waste for composting: the water content for composting usually keep in 50% to 60%. For materials with high water content, you can adopt solid-liquid separator machine to adjust water content. On the other hand, you can add some saw dust, straw and rice straw to adjust water content and improve the C/N ratio.
Regularly turn the compost pile: After making a compost pile, the temperature will gradually increase. When the temperature achieve 60℃ or 70 ℃, you can turn the compost pile. On the other hand, turning organic waste can adjust temperature, oxygen content and water content. On the other hand, blending the compost pile can make the fermentation more thorough and evenly. In this process, you can adopt compost turner for quick composting.

Solid-liquid separator machine for organic fertilizer with high water content
Solid-liquid separator machine for organic fertilizer with high water content

Deep processing of organic fertilizer

The deep processing includes powdery organic fertilizer production line and granular organic fertilizer production line. On the one hand, the production of powdery fertilizer is simpler than that of granular fertilizer. That is to say, powdery organic fertilizer production needs less equipment. On the other hand, granular organic fertilizer is more convenient for transport, storage and application. You can choose suitable production line according to your actual requirements.

Powdery organic fertilizer production

Powder Organic Fertilizer Processing Line Layouts 3D
Powder Organic Fertilizer Processing Line Layouts 3D


After composting, organic waste has become organic fertilizer. In this process, you need the following steps and organic fertilizer production plant.
Crushing: In order to produce homogeneous powdery organic fertilizer, you can adopt New type vertical crusher to deal with potential caking.
Screening: In order to guarantee the purity and high quality of organic fertilizer, you need select other materials in the organic fertilizer. In this step, you can use Rotary screen machine. It is featured with high screening efficiency, low noise, small amount of dust, long service life and less maintenance.
Packaging: After screening, organic fertilizer will enter next step, packaging. There are single and double bucket automatic packing scale for you to choose. If you want higher packing efficiency, you can adopt double bucket automatic packing machine, which can produce two different qualities at the same time.

Granular organic fertilizer production

Granular organic fertilizer production process is more complex. Because the granulating process, you may need more machines. And the detailed steps and equipment are as follows.

Fertilizer Granulator for Granule Organic Fertilizer Production Process
Fertilizer Granulator for Granule Organic Fertilizer Production Process

Crushing and mixing: Because granule making has higher standard on organic fertilizer powder, you should guarantee homogeneous powder. Meanwhile, you can add other functional bacterial or nutrient elements in this step, so as to produce organic fertilizer with specific fertilizer effect. Therefore, we recommend semi-water material crusher and disc mixer to you. And the disc mixer is used for blending the organic fertilizer evenly.

Fertilizer Crusher for Semi-wet Orgnaic Materials Processing
Fertilizer Crusher for Semi-wet Orgnaic Materials Processing

Granulating: In this step, powdery organic fertilizer will be granulated into pellets. There are three types organic fertilizer granulation machines, including Pan Granulator, New type organic fertilizer granulator and Rotary Drum Churning Granulator. All of them adopts wet granulation. They are different in structure, but all of them has high granulating rate of 93%.

Drying and cooling: This step is mainly for decreasing the water content of organic fertilizer pellets, so as to make the pellets more compact and improve storage time.
Screening: The screening machine here can separate unqualified organic fertilizer pellets from qualified pellets. And then belt conveyor will send unqualified pellets to crushing machine for secondary granulating, and qualified pellets to packaging machine.

Packaging: In order to meet customers requirement, you need to package these pellets. Besides automatic packaging machines, there are many auxiliary machines. And they include sewing machine, automatic counting, infrared trimming and folding machine, which will improve working efficiency.

Loading of granular organic fertilizer production line to Sri Lanka
Loading of granular organic fertilizer production line

What is organic fertilizer used for?

Organic fertilizer is rich in nutrient elements, organic acid and humus. In addition, the long-term application of it will fertile the soil and eliminate the adverse effect caused by chemical fertilizer. On the other hand, organic fertilizer can increase microbial content in the soil and improve the quality of crops. Therefore, you can use it in gardens, vegetable farm and so on. Moreover, you need choose different organic fertilizer according to applicable objects.

2 Ton Per Hour Cow Dung Organic Fertilizer Production Being Installed in Uzbekistan

How to make a reasonable plan for organic fertilizer production process?

In order to bring you considerable income or take full advantage of organic waste, you should make a perfect production plan. According to our experience, you can take the following aspect into account.
Budget: The budget includes two aspects, raw material adopted and budget on equipment purchasing. On the one hand, you can choose organic waste according to that you have or near you, so as to lower cost. On the other hand, you can choose equipment according to your requirements on production capacity and site you have.
If you still have no clear idea on production capacity, you can send your requirements to us. We have professional engineer, who can provide you different sample business plans for organic fertilizer.

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