High Reactive Calcined Lime Powder
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High Reactive Calcined Lime Powder

Available Calcium Oxide (CaO): ≥ 85%
Activity (4N HCl · 10min): ≥ 400ml
Fineness Specifications: 200 mesh - 325 mesh optional
Specific Surface Area: ≥ 25 m²/g
Moisture Content: ≤ 1.0%
Under-Burning And Over-Burning Rate: ≤ 5%
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Product Introduction

Product Description

 

Our High Reactive Calcined Lime Powder is a high-activity calcined lime product prepared by precise temperature-controlled calcination and rapid cooling process. Its activity index is far better than ordinary calcined lime, with fast reaction speed and reaction upon contact. Our High Reactive Calcined Lime Powder has developed internal pore structure and large specific surface area. It can react instantly when contacting acidic gases and liquids, and is especially suitable for process scenarios with short residence time and requiring fast response.

 

Different from ordinary calcined lime, we maximize the reaction activity of lime by optimizing calcination temperature curve and cooling process, ensuring High Reactive Calcined Lime Powder has extremely high initial reaction rate and sustained reaction capacity. When used in dry desulfurization, it can be directly injected into flue to complete gas-solid reaction in milliseconds with high desulfurization efficiency; when used in pipeline water neutralization, it instantly neutralizes acidic substances without long-distance reaction tank. With extreme reaction activity, our High Reactive Calcined Lime Powder can effectively improve treatment efficiency and reduce equipment footprint.

 

Specifications

 

Item

Technical Index

Available Calcium Oxide (CaO)

≥ 85%

Activity (4N HCl · 10min)

≥ 400ml

Fineness Specifications

200 mesh - 325 mesh optional

Specific Surface Area

≥ 25 m²/g

Moisture Content

≤ 1.0%

Under-Burning And Over-Burning Rate

≤ 5%

 

Application Fields

 

● Dry / semi-dry flue gas desulfurization: Direct flue injection, fast reaction, desulfurization efficiency ≥95%, small equipment footprint.

● Pipeline online neutralization: Instant neutralization of acidic wastewater in pipeline static mixer, with short residence time and high treatment efficiency.

● Sintering flue gas purification: Quickly absorb SO₂ and acidic gases in sintering flue gas, adapting to large air volume flue gas scenarios.

● Rapid emergency treatment: Respond to sudden acidic gas or wastewater discharge, quickly dispose and reduce environmental risks.

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Factory Strength

 

We have advanced energy-saving calcining kilns and rapid cooling systems, supported by ultra-fine grinding and classification equipment, with sufficient annual production capacity of High Reactive Calcined Lime Powder, which can stably guarantee continuous supply for large environmental protection projects and iron and steel enterprises. The production process adopts automatic calcination control to precisely control kiln temperature, calcination time and cooling rate, ensuring stable high activity of products; meanwhile, we have a professional activity testing laboratory to test reaction activity batch by batch, guaranteeing each batch of products reaches high activity standard.

 

Application Services

 

We have a professional environmental engineering technical team to provide process adaptation services of High Reactive Calcined Lime Powder for customers. According to customers' flue gas parameters, treatment water volume and pipeline size, we can design the optimal dosing method, injection position and dosage; we can also cooperate with customers to conduct on-site commissioning and optimize reaction parameters, ensuring fast reaction while avoiding agent waste. Help customers give full play to the high activity advantage of products, improve treatment efficiency and reduce operating costs.

 

FAQ

 

Q1: What level is 400ml activity?

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A1: It belongs to extremely high activity grade. Ordinary calcined lime usually has activity of 280-320ml, and the reaction speed of this product is increased by more than 30%.

Q2: Will high activity make it easier to lose efficacy?

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A2: The shelf life is 6 months under sealed and dry storage; it does lose activity easily after opening due to moisture absorption, so it is recommended to seal and use as soon as possible.

Q3: What mesh is suitable for dry desulfurization?

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A3: 325 mesh is recommended, with high fineness, good injection effect and more sufficient reaction; 200 mesh can also be used with higher cost performance.

Q4: Can it be prepared into lime milk?

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A4: Yes, with fast digestion speed and high lime milk activity, it is also suitable for wet fast reaction scenarios.

 

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