China Calcium Nitrate Granular Supplier & Suppliers

Pioneering High-Performance Inorganic Chemical Synthesis & Global Supply Chain Solutions

The Strategic Evolution of Calcium Nitrate Granular

Calcium Nitrate Granular ($Ca(NO_3)_2 \cdot xH_2O$) is a cornerstone in modern industrial chemistry and advanced agronomy. As global agricultural practices shift toward high-efficiency precision farming, and industrial infrastructure demands materials with superior performance limits, the demand for highly stable, pure, and anti-caking Calcium Nitrate Granular has reached unprecedented heights.

At Shanxi Vojin New Materials Co., Ltd., we have engineered production methodologies that optimize particle distribution, reduce moisture absorption (hygroscopicity), and guarantee rapid dissolving rates. Through meticulous chemical processing, our granular formulations are designed to solve the critical storage and application pain points commonly faced by agricultural distributors and civil engineering companies worldwide.

Our commitment, rooted in Shanxi’s rich mineral and chemical reserves since 2000, enables us to manufacture products that optimize efficiency across dynamic applications. This technical white paper highlights our strategic positioning, technical routes, and supply chain resilience designed to meet the demands of global partners.

Shanxi Vojin New Materials Calcium Nitrate Granular Production Facility
600,000 Tons
Annual Production Capacity

Global Commercial & Industrial Landscape

Analyzing key market drivers and application paradigms across continents.

Agronomic Nutrient Demand

In modern horticulture and high-value fruit production, calcium and nitrogen deficiencies pose severe physiological risks (e.g., blossom-end rot in tomatoes, bitter pit in apples). Our Calcium Nitrate Granular supplies immediate-release nitrate-nitrogen and highly soluble calcium. Unlike urea or ammonium-based alternatives, it does not acidify the rhizosphere, making it the choice for global agricultural distributors across North America, Australia, and Southern Europe.

Infrastructure Development

The construction sector relies heavily on Calcium Nitrate as a non-chloride set accelerator. It accelerates the hydration of dicalcium and tricalcium silicates in cement paste, shortening initial and final set times. This chemical process is essential for cold-weather concreting, allowing structural concrete pouring to proceed at sub-freezing temperatures without risking structural degradation or delayed curing schedules.

Environmental Wastewater Treatment

Municipal wastewater management and industrial sewage treatment facilities utilize Calcium Nitrate to suppress toxic hydrogen sulfide ($H_2S$) generation. By feeding facultative anaerobic microbes with a bioavailable nitrate source, it shifts the microbial metabolism away from sulfate reduction. This neutralizes odors, prevents pipeline corrosion, and enhances safety for municipal operations.

Advanced Chemical Granulation Process Flow Chart

Advanced Granulation Process & Technical Roadmaps

Traditional Calcium Nitrate crystals are notoriously hygroscopic, causing severe caking during ocean transit and long-term storage. To overcome this, Shanxi Vojin New Materials utilizes a precise fluid-bed spray granulation system coupled with an innovative double-salt crystallization route ($5Ca(NO_3)_2 \cdot NH_4NO_3 \cdot 10H_2O$) to increase stability.

Synthesis and Purification Route

High-purity nitric acid is reacted with premium calcium carbonate under controlled thermal environments. The resulting solution undergoes multi-stage filtration to eliminate heavy metals, insoluble residues, and organic impurities. This purified liquid is then pumped into the granulation tower.

Spray Granulation & Anti-Caking Coating

The solution is atomized into a fluidized bed where seeds are continuously suspended. The moisture flash-evaporates, forming highly spherical, dense granules. The granules are subsequently cooled, classified via high-frequency sieving, and treated with a proprietary food-grade hydrophobic anti-caking agent. This protective layer slows moisture absorption, ensuring the granules remain free-flowing even in humid conditions.

  • Uniform Particle Size Distribution (2.0 - 4.0 mm ≥ 90%)
  • High Crushing Strength (≥ 30N per granule) for mechanical bulk spreading
  • Total Water Insolubles ≤ 0.1%, ensuring zero blockage in fertigation systems
01
Acid Reaction

Controlled reaction of nitric acid and calcium carbonate.

02
Filtration & Purification

Removal of insoluble residues and heavy metal ions.

03
Fluidized Granulation

Spray crystallization in a fluid bed for uniform size.

04
Polishing & Coating

Application of hydrophobic anti-caking formulation.

Hot Products Overview

Integrating chemical solutions to drive efficiency across multiple sectors.

Inorganic Chemicals Nitrates Series
Inorganic Chemicals

Nitrates Series

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Water Soluble Fertilizer Series
Plant Nutrition

Fertilizer Series

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Industrial By-Products
Specialty Chemicals

By-Products

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Manufacturing Power & Supply Chain Resilience

Our infrastructure guarantees steady volume and consistent quality for international contracts.

Shanxi province, China, is one of the world's most concentrated clusters for raw ammonia and nitric acid production. This geographic advantage shields our production lines from raw material price volatility, ensuring reliable, long-term price security for our global partners.

15Years+
Manufacturing Experience
Deep technical expertise in nitrate synthesis and granulation optimization.
600kTons
Annual Capacity
Ensuring consistent volume availability for global industrial demands.
40+ Countries
Global Exports
Serving key markets across North America, Europe, Australia, and Asia.
1000Acres
Manufacturing Footprint
State-of-the-art facility designed in accordance with rigorous safety standards.

Enterprise Advantages

Why leading global enterprises trust Shanxi Vojin New Materials.

Integrated Export Experience

Experience

Integrated experience on exporting operation. Always assure your customers good quality and hassle-free customs clearance.

High Volume Nitrate Production

Production

Annual output of 600,000 tons of molten salts and technical-grade nitrates, offering scalable batch processing.

Technical Service Solutions

Services

Experienced technology skill & service team. Quick response to our customers' custom technical requests.

Rich Nitrate Selections

Rich Choices

Multiple items for selection such as KNO3, NaNO3, and Ca(NO3)2 to meet various industrial needs of global customers.

Latest Industry News & Innovation

Keeping you updated on market trends, green chemical processing, and molten salt applications.

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Storing the sun: Molten Salt Energy Storage

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Molten Salt Power Plant Solutions
08/03/2024

Molten Salt Power Generations

A concentrated solar power plant converts solar energy to electricity. It is based on advanced nitrate compounds that store thermal energy for grid stability.

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Molten Salt Energy efficiency updates
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Molten Salt Energy Developments

Molten salt energy storage has emerged as a promising solution for enhancing the efficiency of modern thermal power plants and zero-emission grids.

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Global Compliance & Quality Control

Ensuring our chemical products meet standard import parameters in every market.

Rigorous Testing & Certifications

Exporting chemical materials worldwide requires strict adherence to international safety and quality standards. Our Calcium Nitrate Granular undergoes third-party verification by global testing bodies like SGS and Intertek to confirm chemical compositions and heavy metal limits. We are fully compliant with EU REACH standards, ensuring chemical safety and environmental responsibility across all operations.

Our modern quality control lab, situated at our Shanxi factory, monitors every batch from raw carbonate neutralisation to final packing. Through atomic absorption spectroscopy (AAS) and particle size analyzer systems, we guarantee that the material shipped matches the exact certificate of analysis (COA) requested by our international clients.

Laboratory testing of Calcium Nitrate Granular

Frequently Asked Questions (FAQ)

Technical answers to common inquiries from chemical engineers and global buyers.

What is the chemical formulation of Vojin's Calcium Nitrate Granular?
Our agricultural-grade Calcium Nitrate is formulated as a double salt ($5Ca(NO_3)_2 \cdot NH_4NO_3 \cdot 10H_2O$) to improve structural stability and prevent caking. For specific industrial applications, we can supply pure calcium nitrate decahydrate or anhydrous forms depending on custom requirements.
How does your factory ensure the granular product does not cake during sea transport?
We employ a multi-step solution: first, our fluid-bed spray granulation creates highly dense, spherical granules with low internal moisture; second, we apply a food-grade hydrophobic coating; and third, we use moisture-proof, heavy-duty woven bags with internal PE linings to shield the cargo during ocean transit.
What is the lead time for bulk container loads?
With an annual capacity of 600,000 tons, our standard shipping turnaround for standard orders (FCL) is 7-14 days from contract approval to port delivery (Tianjin or Qingdao ports).
Is your Calcium Nitrate compliant with European REACH standards?
Yes, Shanxi Vojin New Materials has registered its nitrate range with REACH, enabling smooth customs clearance and compliant distribution across all European Union member states.
Can you customize the particle size for specific industrial applications?
Yes, we can customize particle sizes between 1-3mm and 2-4mm, as well as customize solubility rates to meet the requirements of specific industrial processes, such as concrete manufacturing or wastewater treatment.
How is Calcium Nitrate utilized in Concentrated Solar Power (CSP) systems?
In CSP plants, a molten mixture of sodium nitrate, potassium nitrate, and calcium nitrate is used as a thermal energy storage medium. Adding calcium nitrate lowers the mixture's melting point and broadens the operating thermal window, enhancing system efficiency.

Global Partners & Affiliations

Building long-term supply partnerships through reliable product quality and transparent logistics.