A kind of flake which integrates filter dust removal and catalytic denitrification and its manufacturing method

Abstract

The invention discloses a flake which integrates filtering dust removal and catalytic denitrification and a manufacturing method thereof. The sheet material includes a smoke-filtering substrate, and a catalyst for denitrification is attached to the smoke-filtering substrate. The steps of the manufacturing method are as follows: first, polyphenylene sulfide (PPS) fibers and polytetrafluoroethylene (PTFE) fibers are mixed to obtain substrates; secondly, part of the substrates are made into viscous filter materials; thirdly, the viscous The filter material and elements containing Mn, Ce, Zr, Ti, Fe, Cu, etc. are prepared into nano-scale catalyst powder; the fourth step, the prepared powder is emulsion with elements such as manganese-based oxide; the fifth step, the base The flakes were dipped into the manganese-based oxide emulsion to prepare flakes. The flakes of the present invention are placed in the bag filter to filter the soot in the industrial flue gas and at the same time carry out catalytic denitration treatment on the industrial flue gas. Moreover, the problem of occupying land is avoided, the investment is less, and it is beneficial to the popularization and application of the bag filter. .

Description

technical field [0001] The invention relates to a product for denitrification and dedusting of industrial flue gas and a manufacturing method thereof, in particular to a chip integrating filtering dust removal and catalytic denitrification and a manufacturing method thereof. Background technique [0002] Nitrogen oxides (NOx) and fine particulate matter are the main pollutants in the atmosphere. NOx is the main cause of acid rain, photochemical smog and greenhouse effect, while fine particulate matter below PM10 is poisonous and harmful to human body. Nitrogen oxide and fine dust particles are also important precursors of smog. Cement plant is an important emission source of nitrogen oxides and dust, and its flue gas pollution has been paid more and more attention. The current nitrogen oxide treatment technologies mainly include low nitrogen combustion, SNCR, SCR and so on. Among them, the mature and efficient denitrification technology is mainly (selective catalytic reduc...

AI Technical Summary

Problems solved by technology

[0004] With the improvement of national air governance requirements, existing standards and technologies can no longer adapt to new environmental protection policies

If the SCR is built separately, existing enterprises will face problems such as occupying land, affecting production and operation, and investing

And with the emission control of other flue gas pollutant factors, the problem of land occupation of environmental protection facilities will become more prominent

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