99% PSA Oxygen Generator For Gold Mining

Name: China Custom 99% PSA Oxygen Generator For Gold Mining Suppliers Factory - High Purity - NEWTEK INDUSTRY
Brand: NEWTEK
SKU: 264461776

In the complex process of gold mining, the purity and supply stability of oxygen directly affect the gold extraction efficiency and smelting quality. Traditional oxygen production technologies (such as liquid oxygen storage tanks or cryogenic methods) have problems such as high transportation costs, high storage risks, and high carbon emissions. With the breakthrough of pressure swing adsorption (PSA) technology, 99% PSA oxygen generators have gradually become the preferred equipment for modern gold mining with their core advantages such as on-site oxygen production, intelligent control, and high efficiency and energy saving.

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Description

Technical Parameters

99% The core advantages of PSA oxygen generator

Ultra-high purity, precise control
Using pressure swing adsorption (PSA) technology, oxygen is directly separated from the air, and the purity is stable at more than 99%, meeting the strict requirements of gold oxidation, cyanide gold extraction and other processes for oxygen. Built-in intelligent sensors monitor purity in real time, automatically evacuate unqualified gases, and ensure process safety.

High efficiency and energy saving, cost reduction and efficiency improvement
Compared with traditional liquid oxygen tanks or cryogenic methods, energy consumption is reduced by 80%, no frequent procurement and transportation are required, and the overall cost is saved by 30%. Modular design supports 24-hour continuous operation and is suitable for remote environments in mining areas.

Safe and reliable, suitable for complex scenarios
Fully enclosed oil-free compression system eliminates explosion risks; explosion-proof design meets mine safety standards.Corrosion-resistant materials cope with high humidity and dust environments and extend equipment life.

Flexible customization, covering full process needs
Provide 5-1000Nm³/h multiple specifications, support diversified scenarios such as oxygen-enriched combustion, ozone sterilization, and wastewater treatment. It can be integrated into the mine automation system to achieve remote monitoring and intelligent control.

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Why choose 99% PSA oxygen generator for gold mining?

1. Improve gold leaching efficiency:
In the cyanide gold extraction process, the 99% PSA oxygen generator stably supplies high-purity oxygen, accelerates gold oxidation and dissolution, and improves the efficiency by more than 30% compared with traditional aeration, shortens the gold extraction cycle, and improves the recovery rate.

2. Energy saving and cost reduction:
Using PSA pressure swing adsorption technology, only 0.35-0.8MPa compressed air is required, and the energy consumption is 40%-60% lower than the deep cooling method. On-site oxygen production eliminates the cost of liquid oxygen transportation and storage, and reduces supply chain risks.

3. Adapt to harsh environments:
PLC intelligent control, fully automatic operation, real-time monitoring of oxygen purity and pressure, and ensure 24-hour continuous operation. The compact skid-mounted structure is earthquake-resistant, the molecular sieve is pressure-resistant, and the service life is up to 10 years.

4. Green compliance:
High-concentration oxygen reduces cyanide consumption by 14%, reduces the difficulty of tailings treatment, and meets ESG standards. PSA technology has no chemical by-products and no waste gas emissions.

5. Convenient customization: Modular design, flexible and adjustable oxygen production from 1 to 240Nm³/h, suitable for mines of all sizes. Installation and commissioning can be completed within 48 hours, shortening the project startup cycle.

Working principle of high purity oxygen pressure swing absorption generator

Oxygen production process basis:

The high-purity oxygen pressure swing absorption generator adopts the pressure swing adsorption (PSA) process, and uses the strong adsorption capacity of synthetic zeolite molecular sieves for nitrogen to separate and produce oxygen from compressed air.

Dual bed collaborative operation:

The generator is equipped with two zeolite beds, one of which filters air under pressure to produce oxygen, and the other desorbs under reduced pressure, discharges the adsorbed nitrogen to achieve regeneration, and works alternately to ensure continuous oxygen production.

Purity improvement mechanism:

The initially separated oxygen is mixed with argon. With the help of carbon molecular sieve (CMS)-based adsorbents to remove impurities such as argon, the oxygen purity can be increased to 99%. The maximum purity of the system can reach 99.3%, and it often runs at 99.1% design point to optimize output.

Intelligent control process:

The entire oxygen production process is intelligently controlled by automatic valves and Siemens pre-programmed PLC. Product loss is related to purity. The lower the purity, the less loss.

Key Applications in Gold Mining

✅ Cyanidation Enhancement:High-purity oxygen accelerates gold dissolution, increasing recovery rates by 5–15% .
✅ Bio-Oxidation Support: Boost efficiency in refractory ore processing through optimized microbial activity.
✅ Smelting Optimization: Improve combustion efficiency in furnaces, reducing fuel costs and emissions .
✅ Wastewater Treatment:Oxygenate leaching residues to neutralize contaminants and recover residual metals .

No.	Models	Capacity (Nm3/hr)	Purity	Power consumption of 1Nm3 oxygen produced (kw/h)	Number of bottles flled in 12 hours(pcs)	Operator needed
1	NTK99-5P	5	95%+-1%	3.54	10	2
2	NTK99-10P	10	95%+-1%	2.52	20	2
3	NTK99-15P	15	95%+-1%	2.31	30	2
4	NTK99-20P	20	95%+-1%	2.13	40	2
5	NTK99-25P	25	95%+-1%	2.01	50	2
6	NTK99-30P	30	95%+-1%	2.09	60	2
7	NTK99-40P	40	95%+-1%	1.81	80	2
8	NTK99-50P	50	95%+-1%	1.94	100	2
9	NTK99-60P	60	95%+-1%	1.62	120	2
10	NTK99-80P	80	95%+-1%	1.92	160	2
11	NTK99-100P	100	95%+-1%	1.83	200	2

Customer Cases of PSA Oxygen Generators

A Gold Mine in South Africa

A Gold Mine in South Africa

Gold mining in South Africa is highly competitive, and improving mining efficiency and recovery rate is the key. A large gold mine introduced a 99% purity, 50Nm³/h PSA oxygen generator. In the cyanide leaching process, the operation required 48 hours due to oxygen supply restrictions. After the introduction of the oxygen generator, the oxygen supply was improved, the cyanide leaching cycle was shortened to 36 hours, a reduction of 25%, and the gold recovery rate increased by 12%, with a significant increase in economic benefits.

Shandong Gold Smelter in China

Shandong Gold Smelter actively responded to the energy conservation and emission reduction policy, and deployed two 80Nm³/h PSA oxygen generation systems after technical research. The system operates stably and meets production needs. It saves about 3 million yuan in liquid oxygen procurement costs and reduces carbon emissions by 800 tons each year, achieving cost reduction, efficiency improvement and sustainable development.

FAQ

1.What are the uses of oxygen in mining? 
Smelting process: High-purity oxygen is blown into steelmaking to oxidize impurities, reduce carbon and increase temperature, thereby improving smelting efficiency. Cutting and welding: Mixed with acetylene to form an oxyacetylene flame with a temperature exceeding 3000°C, which is used for mining equipment maintenance and ore processing. Blasting operation: Liquid oxygen is impregnated into wood chips to make liquid oxygen explosives, which are used for open-pit mine blasting. Safety guarantee: When closing a mine or rescuing, oxygen respirators are used for breathing, and the operating temperature does not exceed 60°C.

2.What gases are used in gold mining?
Argon: Mixed with oxygen during refining to control emulsion overflow and stabilize smelting.
Oxygen: Oxidation treatment of gold ore, such as cyanide gold extraction; liquid oxygen is used to prepare blasting materials.
Inert gas: Nitrogen, carbon dioxide, etc. isolate oxygen during high-temperature smelting or storage to prevent metal oxidation and dust explosions.

3.How effective is this 99% PSA oxygen generator in improving gold recovery? 
Many gold mine application cases show that after the introduction of the 99% PSA oxygen generator, the gold element reacts more fully with cyanide in the cyanide leaching process, and the gold recovery rate can generally be increased by 10%-12%, effectively improving the economic benefits of gold mining.

4. How stable and difficult is the equipment? Will it frequently affect production? 
The oxygen generator adopts mature pressure swing adsorption technology, equipped with an automated control system and high-quality components, and has high operating stability. Daily maintenance only requires regular inspection of key components such as molecular sieves and filters. We will provide comprehensive after-sales support to ensure stable operation of the equipment and minimize the impact on production.

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