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AboutZhejiang Engineering Design Co., Ltd. (abbreviated as ZEDC in English) was established in 1958, originally known as the Design Department of Quzhou Chemical Plant.
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BlogZhejiang Engineering Design Co., Ltd. (abbreviated as ZEDC in English) was established in 1958, originally known as the Design Department of Quzhou Chemical Plant.
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ResearchThe “ZEDC Chemical Engineering Design Innovation Base” of Zhejiang University is a industry–university–research collaboration institution established through a donation from Zhejiang Engineering Design Co., Ltd. to the Zhejiang University Education Foundation.
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Seizing the forefront of energy-saving, emission-reduction, and low-carbon technologies—high-temperature incineration technology for decomposing fluorine- and chlorine-containing organic waste gases and liquids has been granted proprietary‑technology licensing.
Release time:
2015-12-14
Recently, the China Petroleum and Chemical Engineering Survey and Design Association announced that the “High-Temperature Incineration Technology for Decomposing Fluorine- and Chlorine-Containing Organic Waste Gases and Liquids,” jointly developed by the Zhejiang Engineering Institute and Juhua Group’s Fluorine Company, has been recognized by leading experts in China’s survey and design sector as a nationally designated proprietary design technology for 2015.
At present, the treatment of fluorine- and chlorine‑containing organic waste gases and liquids generated by chemical plants remains a highly challenging issue. Building on the assimilation and adaptation of imported equipment, the project team has achieved breakthroughs in key technologies and applications—such as complete decomposition of waste gases and liquids, enhancement of the maximum processing capacity per furnace, mitigation of abrupt temperature differentials within the incinerator, and improvement of recovered acid concentration—thereby realizing domestication of the relevant equipment technology. To broaden the scope of application, the team has developed novel apparatus capable of simultaneously treating both gaseous and liquid wastes; through neutralization in absorption and scrubbing towers, these systems achieve nearly complete degradation of the effluents. Furthermore, in response to newly formed compounds arising from pyrolysis, the team has implemented innovative processes that elevate the concentration of the recovered acid to meet commercial-grade specifications.
According to reports, this technology maintains a high-temperature environment by utilizing gas combustion, enabling fluorinated and chlorinated organic waste gases and liquids to be thermally cracked into new, treatable substances. These are then neutralized in absorption and scrubbing towers, resulting in harmless emissions and enhancing carbon‑reduction outcomes. Taking the treatment of HFC‑23 as an example, a 1,200‑ton‑per‑year incineration system can reduce annual CO₂ emissions by 17.76 million tonnes, delivering substantial greenhouse‑gas mitigation benefits.
In August 2014, to accelerate the promotion and application of low-carbon technologies and to help achieve China’s greenhouse gas reduction targets for 2020, the National Development and Reform Commission compiled the “Catalogue of Key Low-Carbon Technologies for National Promotion.” Among the 34 low-carbon technologies included in the catalogue, high-temperature incineration and decomposition technology was classified under “non‑CO₂ emission‑reduction technologies related to process operations.”
At present, this technology has been validated through practical application by manufacturing enterprises. It enhances the processing capacity of equipment, reduces energy consumption, minimizes environmental pollution, and improves safety, thereby delivering significant social and economic benefits to the project.
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[2024-08-07]