一种利用废铬渣降低废橡塑热解油中硫和氯含量的方法
By improving the dechlorination and staged catalytic pyrolysis device, utilizing the catalytic and adsorption characteristics of waste chromium slag, and combining it with an integrated in-situ and ex-situ catalytic pyrolysis system, the problem of removing sulfur and chlorine elements from waste rubber and plastic pyrolysis oil has been solved, improving the quality and yield of pyrolysis oil and realizing the recycling of waste chromium slag.
CN119505943BActive Publication Date: 2026-07-17QINGDAO UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- QINGDAO UNIV OF TECH
- Filing Date
- 2024-11-18
- Publication Date
- 2026-07-17
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Figure CN119505943B_ABST
Abstract
本发明公开了一种利用废铬渣降低废橡塑热解油中硫和氯含量的方法，涉及固废产物综合利用技术领域。其所采用的系统包括脱氯装置、氯化氢吸附装置、分级催化热解装置及废渣分离装置，其中，在实验开始前先将废铬渣粉末输送至氯化氢吸附装置的氯化氢吸附管道中，在开始实验时，将废铬渣和废橡塑依次经过脱氯装置、分级催化热解装置及废渣分离装置来降低废橡塑热解油中的硫和氯，本发明利用废铬渣作为催化剂用于硫元素和氯元素的脱除，借助于所采用的系统，在原位催化热解和异位催化热解过程中实现了废铬渣的循环利用。本发明方法不仅有助于解决环境污染问题，还二次利用了废铬渣。
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