Top 2 solutions to mix biochar with compost to produce fertilizer granules

Commonly, when you plan to produce granular biochar fertilizer with compost blend, there are 2 technologies you can choose.

Wet biochar fertilizer granulation line (20%–40% moisture)

If your biochar compost material has a moisture of 20%-40%, buy a wet compost granulation line is an ideal choice. Because it can use liquid as binder to facilitate the biochar based fertilizer formation from compost. At the same time, you can easily control the granular biochar fertilizer size in 1-8 mm by moisture adjustment.

Wet fertilizer granulation process of compost

In general, a complete wet granulation system of biochar and compost blending consist of 9 stages. Batching, crushing, mixing, granulation, screening, drying, cooling, coating and packing. This system suits investors who want produce biochar organic fertilizer granules with a round ball appearance and slow release.

Dry granulation of char‐based fertilizer (under 20% moisture)

However, if you plan to start biochar compost based fertilizer production with compost material with moisture less than 20%, a dry granulation system is a better option. Because, it can convert biochar compost powder into organic fertilizer granules without water involving. Accordingly, you can reduce the cost on dryer and cooler purchasing, which is used to dry granulated carbon based fertilizer to lower than 10% for easier to store and transport.

Therefore, for char-based fertilizer making with dry granulation technology, you only need to purchase 7 machines. They are batching machine, grinders, blender, pelleting equipment, sieving machine, coating machine and bagging equipment. This solution is ideal for small to medium enterprises seeking granular biochar fertilizer production with lower operational costs and faster startup.

dry granulation process of compost fertilizer

What can the machines do for granular biochar fertilizer production?

Each piece of equipment plays a distinct role in granular biochar fertilizer production:

Dynamic batching machine can automatically weighs biochar, compost, and additives to ensure consistent nutrient composition.

Crusher can reduces oversized organic compost lumps and charcoal chunks to fine powder for uniform blending. At the same time, with fine powder biochar compost material, you can produce carbon-based fertilizer pellets with 1-8 diameters faster.

To prepare granular biochar fertilizer with nutrients are evenly distributed in every batch. Blending evenly is necessary. Here, the double shaft mixer is the best choice. It can continuously blend biochar with compost evenly in a large scale.

Then, it is time to the most important steps for granular char-based fertilizer making. With various compost granulation machines from YUSHUNXIN, you can freely to start biochar fertilizer granulation plants of 1-30 TPH, 1-10 mm, etc.

For those who want to produce char-based fertilizer granules with uniform size, it is necessary to process it with rotary screener. The machine is crucial for removing any oversized and undersized particles or impurities.

As mentioned above, you need to adjust the water content of granulated biochar compost fertilizer to less than 10%. Especially when you start carbon-based fertilizer granulation out of wet compost material. Because it is essential to prevent clumping and enhancing the granulated carbon based fertilizer’s shelf life. A rotary drum dryer can be utilized for even and efficient drying. Following drying, a cooling system, such as a rotary cooler, is employed to bring down the temperature of the granules.

In addition, you can also choose to coating carbon fertilizer pellet you prepare. For on thing, you can add coat of NPK, trace elements or bacteria to enrich granulated biochar compost fertilizer nutrient content. For another, coating equipment also can apply a thin layer of protective material like resin, PVA, polyurethane, etc to each charcoal fertilizer granule, which can improve nutrient release characteristics and prevent moisture ingress.

Finally, the granulated fertilizer is transferred to the biochar fertilizer packing scale. This stage involves weighing and packaging the granular biochar compost based fertilizer product accurately to ensure compliance with industry standards and customer requirements.

PLC control container integrates all machines into one automated system so operators can monitor and adjust parameters in real tim

Dust collectors of cyclone, water curtain and dust room. They will offer you a clean workshop and reduce material loss. Additionally, this is greatly beneficial for carbon emissions reduction.

How to process granulated biochar compost fertilizer better?

After making biochar and compost mixture form into fertilizer granules, if you want to further improve the charcoal based fertilizer quickly, there are some choices for you.

Equipment Capacity (t/h) Granule Size (mm) Granulation Rate Feeding Moisture

Rotary Drum Granulator

1-30 3-6 90% 20%-40%

Disc Granulator

1-6

1-8 93% 20%-40%

Double Roller Granulator

1-3

3-10

97%

5%-20%

What is the price of the granular biochar compost based fertilizer production line?

The price range for a granular biochar compost-based fertilizer production line typically spans from $60,000 to $500,000. This variance in cost is influenced by several factors, including the scale of production, the level of automation, and the quality and specifications of the fertilizer machinery involved.

$60,000-$150,000 biochar compost granules making solution

A basic production line for making carbon fertilizer pellet from compost usually pricing around $60,000-$150,000. It usually includes essential biocahr fertilizer machinery such as a crusher, mixer, granulator and packaging equipment. These setups are suitable for 1-10 t/h biochar compost granulation operations that require some hands-on approach.

10 TPH Double roller granulation plant for compost pellet making
Working biochar compost pellets making plant

$150,000 and $300,000 granulated char-based fertilizer making

As the complexity of the carbon-based fertilizer pelleting equipment, they costs between $150,000 and $300,000. Here, the system contains the biochar compost granulating machines from crusher to packaging scale. At the same time, it also can fully meet your requirements for 1-10 t/h output of granulated char-based fertilizer.

$300,000-$500,000 costs to produce biochar fertilizer pellets from compost

If you preparing a $300,000-$500,000 budget, you can buy a biochar compost to fertilizer granules system with fully automation. It is especially designed for THE large scale carbon based fertilizer granulation with 10-20 TPH capacity. This is also consists the whole sets compost granulation machines including palletizer machine. There is nearly no labor force needed and you can make more money.

Is there machines for making biochar and compost for char-based fertilizer manufacturing?

Of course. As a considerate manufacturer for granulated compost fertilizer making equipment, we can provide you with quality biochar machine and composting equipment.

Can we integrate into Carbon Dioxide Removal (CDR) market with the biochar fertilizer system?

Can we integrate into Carbon Dioxide Removal (CDR) market with the biochar fertilizer system?

It is beneficial for not only the carbon reduction of biomass waste disposal, but also the carbon sequestration and carbon credit earning by produce biochar and carbon-based fertilizer.

In general, 1 ton of biochar = 3 tons of biomass waste disposal = 2.0–2.4 tons of CO₂ removed. And you can generates an additional revenue stream through carbon credits valued a€200–€400 per ton of CO₂.

carbon reduction by biochar and fertilizer making

Can you offer recent biochar fertilizer making project for CDR for refrence? Of course. For example, the turkey solution for forest CDR project in Canada, etc.

Besides granular biochar compost based fertilizer production, YUSHUNXIN also can offer you many other compost pellet making solutions. Such as bio compost fertilizer granulation plan, cow dung compost pelleting line, fermented chicken manure pellet manufacturing project, etc. Welcome to contact us for the best one immediately.

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