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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Technology for Producing CNG/LNG from High-Concentration Methane in Coal Mine Gas

To maximize the utilization of coal-bed methane resources, and in response to the challenges posed by the high oxygen and nitrogen content in low-concentration methane streams as well as associated safety concerns, Dakote has, after years of intensive R&D, successfully developed a safe and efficient process for the separation and concentration of methane from such streams. The company has been granted several invention patents for this technology, which now stands at an internationally leading level.

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Natural Gas Mercury Removal Technology

Both domestic and international natural gas contain trace amounts of mercury, predominantly in its elemental form. Mercury can corrode equipment, pipelines, and instrumentation, poison precious-metal catalysts, and pose health risks to operating personnel; therefore, it must be efficiently removed.

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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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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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