DKT Energy Technology

DKT Energy Technology

National High-Tech Enterprise; Sichuan Provincial Enterprise Technology Center; Class B Qualification For Chemical Engineering Design; Class A Qualification For Environmental Pollution Prevention And Control; Pressure Pipeline GC1 Design Qualification

Product Introduction

Technical Introduction

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CO₂ Separation and Recycling Technology in the CCS-EOR Process

Dakote Company has long been committed to the research and development, engineering design, and application of technologies related to peaking carbon emissions and achieving carbon neutrality. Specifically, it has developed tailored recovery and utilization technologies for carbon dioxide and methane—both greenhouse gases—with methane having a global warming potential 25 times that of carbon dioxide—in various industrial gas streams.

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Ethylene or Ethylene Feedstock (Light Hydrocarbons) and Hydrogen Recovery Technology for Refineries

Refinery dry gas is generated during the secondary processing of crude oil and primarily consists of hydrogen, methane, ethylene, ethane, propylene, propane, and other components; however, it is often simply flared as fuel gas, resulting in significant resource waste.

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Pressure Swing Adsorption Technology for Purifying Carbon Monoxide

Carbon monoxide is commonly used as a feedstock for water-gas shift hydrogen production, as a raw material for chemical synthesis, and as a reducing agent. Its primary sources include semi-water gas, water gas, regenerated off-gas from copper-based ammonia synthesis scrubbing, blast-furnace gas, basic-oxygen furnace gas, calcium-carbide furnace gas, carbon-black furnace gas, and tail gas from yellow-phosphorus production. When carbon monoxide is employed as a feedstock for chemical synthesis—such as the production of ethylene glycol—it must be purified to the concentration required by the specific synthesis process.

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Methane Purification Technologies for Landfill Gas, Biogas, and Other Sources

Landfill gas, biogas, and other biomass gases refer to methane-containing mixtures produced through the anaerobic digestion of various organic materials—such as municipal solid waste, crop residues, agricultural by-products, manure, and food waste—by bacterial activity. These gases are classified as renewable natural gas (RNG).

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Technology for Removing C₂ and Higher Hydrocarbons from Natural Gas

In addition to its high methane content (typically ≥90%), natural gas also contains higher hydrocarbons such as ethane and propane, as well as impurities like carbon dioxide and hydrogen sulfide. Our company employs a patented pressure swing adsorption process to remove the C₂+ hydrocarbon components from natural gas, reducing non-methane impurities to below 100 ppm. The purified natural gas can then be directly used as a feedstock for chemical synthesis.

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Carbon capture and utilization technologies for lime kiln gas, flue gas, fermentation gas, and other sources

With the steady advancement of policies related to China’s goals of peaking carbon emissions by 2030 and achieving carbon neutrality by 2060, the demand for carbon capture, utilization, and storage (CCUS) technologies targeting various CO₂-containing gas streams in the industrial sector has increased markedly.

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Sichuan DKT Energy Technology Co., Ltd.( A subsidiary of Hydrexia (China))

Sichuan DKT Energy Technology Co., Ltd.

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( A subsidiary of Hydrexia (China))

(A subsidiary of Hydrexia (China))

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