Process of utilizing modified activated carbon to remove dioxin

• Main Authors: XIONG PEIFENG, CAI FUYAO, CHEN GUOPING
• Format: Patent
• Language: Chinese; English
• Published: 20.07.2016
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses a process of utilizing modified activated carbon to remove dioxin. Impurities in exhaust gas which can easily decrease the activity of the modified activated carbon are removed by processes, such as deacidification, drying and dedusting, moreover, dioxin in the exhaust gas is adsorbed by the modified activated carbon, finally, solid particles in the treated exhaust gas are removed by dedusting once more, and thereby the process ensures that the emitted treated gas cannot pollute the environment. The steps of the process disclosed by the invention are simple, the operability is high, dioxin-containing exhaust gas can be conveniently industrially treated, the dioxin removal rate reaches more than 95 percent, dioxin concentration is less than 0.1 ngTEQ/Nm3, and the effect of removing solid particles in exhaust gas is good as well. 本发明公开了种改性活性炭脱除二噁英的工艺，通过脱酸、干燥、除尘等工艺去除废气中容易降低改性活性炭活性的杂质，并通过经改性处理后的活性炭吸附废气中的二噁英，最后通过再次除尘去除经处理后废气中的固体颗粒物，保证经处理后排放的气体不会对环境造成污染。本发明工艺步骤简单，可操作性强，便于工业化的处理含二噁英的废气，二噁英的脱除