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

A desulfurization project under construction in Heze, Shandong Province

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Detailed Introduction

　　Project Content

　　Turnkey Contract for a Coke Oven Gas Desulfurization Unit

　　Scale

　　60,000 Nm³/h Coking Gas Wet Desulfurization Unit

　　Technical Indicators

　　Feed gas flow rate: 60,000 Nm³/h;

　　Feed gas composition: 55% H2, 6% CO, 26% CH4, 4% N2, 2% CO2, and trace amounts of O2, hydrocarbons, benzene, naphthalene, tar, and other substances; hydrogen sulfide content: 8,000 mg/Nm³.

　　Hydrogen sulfide content in purified coal gas: ≤100 mg/Nm³

　　The by-product sulfur meets the national standards for industrial sulfur.

　　Technical Features

　　1. A new desulfurization process employing the next-generation DKT-6 active catalyst for wet oxidation;

　　2. The unit employs a streamlined, short-process technology and features a unique integrated desulfurization and regeneration system, offering simple operation, stable performance, flexible process configuration, and broad applicability.

　　3. A closed-loop process is employed, featuring ambient-temperature, low-pressure absorption for desulfurization and spray-induced, self-priming atmospheric oxidation for regeneration. This process achieves by-product sulfur without the need for thermal regeneration and utilizes continuous sulfur melting to recover sulfur as a by-product.

　　Low operating costs and low overall energy consumption;

　　4. This process is designed to be used in conjunction with a specially formulated composite DKT-600 active catalyst, which not only effectively removes hydrogen sulfide but also demonstrates excellent removal performance for organic sulfur compounds and cyanides.

　　5. The desulfurization liquid boasts a high sulfur capacity—more than twice that of comparable desulfurizing agents—and effectively suppresses undesirable side reactions, thereby reducing capital expenditures for treating desulfurization by-products and substantially lowering operating costs.

　　6. This process, along with the desulfurization tower and regeneration tank, features a uniquely designed equipment structure. When used in conjunction with the specially formulated DKT-6 composite active catalyst, which boasts self-cleaning capabilities, it effectively addresses the clogging issues common in conventional processes while ensuring stable system pressure differentials. For stability.

　　7. In collaboration with Denmark’s Topsoe (Topsoe, S), high-concentration industrial sulfuric acid can be produced concurrently with the removal of sulfides.

Keyword： A desulfurization project under construction in Heze, Shandong Province

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

A desulfurization project under construction in Heze, Shandong Province

A decarbonization unit for synthetic ammonia at a British chemical plant

DKT Energy Technology

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

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