CN106178865A - Industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method - Google Patents

Industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method Download PDF

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CN106178865A
CN106178865A CN201610823447.8A CN201610823447A CN106178865A CN 106178865 A CN106178865 A CN 106178865A CN 201610823447 A CN201610823447 A CN 201610823447A CN 106178865 A CN106178865 A CN 106178865A
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decontamination
heavy metal
oxidation
nitre
sulfur
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CN106178865B (en
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尹小林
张永柱
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Hunan Xiaoyinwuyi Environmental Energy Technology Development Co Ltd
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Hunan Xiaoyinwuyi Environmental Energy Technology Development Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/64—Heavy metals or compounds thereof, e.g. mercury
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/108—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/306—Alkali metal compounds of potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/408—Alkaline earth metal or magnesium compounds of barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/50—Inorganic acids
    • B01D2251/504—Nitric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/608—Sulfates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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Abstract

Industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method, comprise the following steps: (1) decontamination oxidant powder or the preparation of decontamination oxidizing agent solution；(2) decontamination oxidation.The present invention utilizes nontoxic, non-corrosiveness, free from chloride environment-friendly type composite oxidant raw materials technology, use semidry method or dry method spraying treatment flue gas, with sulfur, nitre, fluorine, chlorine and heavy metal contaminants in the strong oxidation purifying smoke under the conditions of neutrality to alkalescence, and unburnt Hydrocarbon in efficient oxidation removing flue gas, and recycling product of removing contamination is fertile as industrial chemicals or agriculture, process is simple, small investment, operation cost is relatively low, corrosion-free to Industrial Stoves apparatus for production line, there is preferable economy and environmental benefit.

Description

Industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method
Technical field
The present invention relates to field of environment protection, particularly relate to a kind of industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purifies and Resource utilization method.
Background technology
Currently, China is still the developing country with fossil energy coal as main energy sources, the content one of heavy metal Hg in coal As from 0.01～28mg/kg, in China's coal, the content of hydrargyrum is generally 0.01～0.5mg/kg, meansigma methods about 0.195mg/ Kg, these hydrargyrum more than 85% is with fume emission in air, and the most coal fire discharged hydrargyrum to air in the whole world exceedes 3000t, coal-fired The hydrargyrum of release has become the main source of China's mercury pollution, and according to incompletely statistics, only one, Guizhou province is discharged by fire coal every year Hydrargyrum just more than 600t.In industrial processes, burning of coal flue gas can produce plurality of heavy metal and fluorine, chlorine, sulfur, the dirt of nitre class Dye hazardous material, in order to reduce atmospheric pollution, it is necessary to process these gases, traditional processing method has flue gas desulfurization skill Art and gas denitrifying technology.
Traditional flue gas desulfurization technique includes wet method and dry method and Study of Desulfurization Technique, its Wet Flue Gas Desulfurization Technology Being made by alkaline solution or serosity (as stone powder is starched) realizes, desulfuration efficiency is more than 90%, but operating process length, link are many, investment Greatly, operating cost high, and a certain amount of production waste water can be produced during desulfurization, easily cause secondary pollution.Its dry method cigarette Desulfurization technology includes that reactor built-in absorbent sulfur dioxide absorption method and electron beam flue gas desulfurization process are (by flue gas high energy electricity Son bundle irradiates, and realizes desulfurization by radioreaction), dry desulfurization rate is the most relatively low and stability deviation.Flue gas desulfurization with seawater is only capable of For littoral area, objectively aggravation Ocean acidification and marine product heavy metal pollution, and then affect human health, as suffered from minamata disease.
The widely used selective-catalytic-reduction denitrified method of traditional denitration technology or SNCR denitration method, choosing When the catalytic-reduction denitrified reaction temperature of selecting property is 250～450 DEG C, denitration rate 70%～90%.But equipment investment is big, needs the pre-heat treatment Flue gas, expensive catalyst and service life are short, there is the problems such as NH_3 leakage, equipment is perishable.SNCR temperature Region is 870～1200 DEG C, and denitration rate is less than 50%, there is ammonia ease and the problem such as equipment is perishable.
The combined desulfurization and denitration integration skill grown up on the basis of traditional independent desulfurization technology and denitration technology Art include wet method and dry technique, wet method combined desulphurization denitration technology be mainly wet flue gas desulfurization and SCR or SNCR technology denitration is combined, and engineering is huge, and initial cost and operating cost are high, and easily form secondary pollution. Next to that dry method flue gas combined desulfurization and denitration integrated technique, take off including solid phase absorption/regeneration method, gas/solid catalysis desulfurization simultaneously Nitre technology, sorbent injection method and high energy electron active oxidation method.The research of dry method flue gas combined desulfurization and denitration series technique Though application achieves the most progressive, but because there is various defect, or application conditions is harsher, or processes complexity, or effect is steady Qualitative deviation, or invest bigger than normal, operating cost is high, or be still in experiment, still can not universality solution heavy metal in flue gas, Fluorine, chlorine, sulfur, nitre contaminant problems.To this end, substantial amounts of scientific worker is opened with regard to new-type wet method synchronized desulfuring and denitrifying mode The property sent out test, the method for new-type wet method synchronized desulfuring and denitrifying includes oxidizing process and wet type complexometry, is the most still in conceptual phase.
Oxidizing process includes chloric acid oxidizing process, chlorine oxidation process, yellow phosphorus oxidizing process, acidifying peroxide passivation, and oxidizing process is real It is all to use wet scrubbing system in matter, a set of equipment removes the sulfur dioxide in flue gas and nitrogen oxides simultaneously.Technique Use oxidative absorption tower and alkali formula absorption tower two-stage process, it is intended to while scrubbing CO_2 and nitrogen oxides, removing has Poison minor metallic element such as arsenic, bismuth, cadmium, chromium, lead, hydrargyrum etc..Chloric acid oxidizing process therein, chlorine oxidation process, acidifying dioxygen Water law, all must use hydrochloric acid or sulfuric acid solution activation for strengthening oxidation effectiveness, i.e. must the most just can have Preferably oxidation effectiveness, and strong acid and chlorine are strong to the corrosivity of the equipment of production, chloric acid oxidizing process, chlorine oxidation process technique mistake Journey also produces poisonous gas chlorine, and the oxidation effectiveness stability deviation under acid condition in technique, is the most still difficult to steady Fixed simultaneous removing sulfur nitre and heavy metal.Yellow phosphorus oxidizing process therein is for raw material, NO to be oxidized to NO with yellow phosphorus2, reusable liquid Alkaline absorbent serosity absorb reacting generating salt and nitrate, the clearance of sulfur dioxide and nitrogen oxides is reached 95% Above, but yellow phosphorus has inflammability, unstability and toxicity, still lacks reliable pretreatment solving method.
Wet type complexometry typically uses ferrum or cobalt to make catalyst.It is allowed to be combined into the chelating agent of energy complexation NO in aqueous solution Complex.Complex and the SO being dissolved in solution2、SO3Reaction.Wet type Absorption via Chemical Complexation technique can with simultaneous SO_2 and NO removal, but Stabilization of industry is poor, and chelating agent regeneration difficulty, utilization rate are low, and operating cost is high, it is difficult to effectively solve the fluorine chlorine in flue gas and weight Rnetal contamination problem.
Today, select the nontoxic material of environment-friendly and green, synchronize to solve desulphurization denitration defluorinate dechlorination removing weight in flue gas Metal pollutant, and implement recycling, have become as various countries and control research and development focus and the difficult problem of smoke pollution.Currently, greatly Most desulfurization and denitrification integral process only rest on conceptual phase, although there being a small amount of Demonstration Application engineering, but due to poisonous, The application of Corrosive process raw material, operating cost is higher in addition, constrains its large-scale promotion application.Develop state of applicable China Feelings, nontoxic corrosion-free, small investment, operating cost are low, efficiency is high, the flue gas desulfurization and denitrification defluorinate dechlorination of side-product recycling Removing heavy metal contaminants and application technology as the second resource have become the task of top priority solving air environmental pollution.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the deficiencies in the prior art, it is provided that an a kind of industrial furnace smoke huge sum of money Belonging to and fluorine chlorine sulfur nitre purifies and resource utilization method, the method is simple, small investment, operation cost are relatively low, raw to Industrial Stoves Produce line equipment corrosion-free.
The present invention solves its technical problem and employed technical scheme comprise that, a kind of industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre Purify and resource utilization method, with SODIUM PERCARBONATE and ferrate combined oxidation remove the heavy metal in industrial furnace smoke and Nitrogen oxides, sulfur dioxide and fluorine, cl contaminant, be allowed to be converted into Agricultural Fertilizer and industrial chemicals, specifically includes following steps:
(1) decontamination oxidant powder or the preparation of decontamination oxidizing agent solution: based on the mass concentration of active ingredient, with SODIUM PERCARBONATE It is SODIUM PERCARBONATE 10～90 with the mass ratio of ferrate and activator: ferrate 10～90: activator 0.01～5(is preferred SODIUM PERCARBONATE 15～75: ferrate 15～75: activating agent 0.1～2.0) ratio dispensing, mix homogeneously is made powder, to be obtained final product Solid decontamination oxidant powder, or make the aqueous solution that effective concentration is 0.5%～15% in a known manner, obtain decontamination oxygen Agent solution.
Described ferrate is Na2Fe04, potassium ferrate, ferric acid magnesium, calcium ferrate, barium ferrate, ferric acid zinc etc. In at least one.
Described activator is the water soluble compound of known ferrum, manganese, copper, nickel, cobalt, preferably such as Complexing Iron, iron sulfate, chlorine Change at least one in ferrum, manganese nitrate, manganese chloride, copper sulfate, copper chloride, Nickel dichloride., nickel nitrate, cobaltous chloride, cobalt nitrate etc..
(2) decontamination oxidation: decontamination oxidant powder or the atomization of decontamination oxidizing agent solution of step (1) gained are sprayed into industry In the flue of kiln, and/or atomization sprays in the decontamination oxidator being arranged on flue, with the flue gas of Industrial Stoves Pipeline and/or decontamination oxidator, as the device of decontamination oxidation reaction, remove the heavy metal in flue gas, fluorine, chlorine, sulfur, nitre, dioxy Change the pollutant such as sulfur, oxynitride, and aoxidize unburnt Hydrocarbon in removing flue gas.
Described decontamination oxidant powder or the consumption of solution, according to (the objectively smoke pollution of flue gas pollutant changes of contents Thing changes with raw materials and fuel change and the change of kiln operating mode) and on-line checking pollutant emission requirement up to standard, adjust in real time The consumption of whole decontamination oxidant is so that discharge flue gas reaches emission request.The consumption of decontamination oxidant is the most, the pollution in flue gas The content of thing is the lowest.
The decontamination oxidant with strong oxidation is atomized and sprays in flue or in decontamination oxidator by the present invention, with The superpower Oxidation of the soil release agent that SODIUM PERCARBONATE and ferrate are combined, the sulfur dioxide in the flue gas that Industrial Stoves are produced It is oxidized to sulfur trioxide, is then converted to sulphuric acid or the sulfate such as sodium sulfate, iron sulfate and desulfurization, by the nitric oxide in flue gas (accounting for the 90% of NOx total amount) is oxidized to nitrogen dioxide, is then converted to nitric acid or the nitrate such as sodium nitrate, ferric nitrate and denitration, will The oxidation of fluorine, chlorine compound is converted into the salt such as sodium fluoride, sodium chloride and removes fluorine, chlorine, is ion by the heavy metal oxidation in flue gas State (being that mercury ion, arsenic are oxidized to arsenate as raw materials and fuel is brought into a small amount of mercury oxidation of generation) generates inorganic salt (such as sulfur Acid hydrargyrum, Mercury pernitrate., arsenic sulfate, nitric acid arsenic, natrium arsenicum) and remove heavy metal in flue gas pollutant, and efficient oxidation removes flue gas In unburnt Hydrocarbon.
The present invention can also increase step (3) recycling: the removing heavy metal that will process through step (2), fluorine, chlorine, The pollutant gained such as sulfur, nitre, sulfur dioxide, oxynitride with sulfate, nitrate, villiaumite, villaumite as main component Mixture, by known chemical separating method, optionally isolates heavy metallic salt therein, villiaumite, villaumite, sulfate, nitric acid Salt, the nitrate of gained as agricultural fertilizer or as industrial chemicals, the supply of the heavy metallic salt of gained, villiaumite, villaumite metallurgical or Chemical industry, sulfate is fertile or building materials for agriculture, it is achieved recycling, or isolate after heavy metal therein as cement and coagulation Soil is fertile with early strength agent raw material or agriculture, or (utilizes the silicon of Cement Concrete directly as cement and concrete admixture being replaced with property raw material Hydrochlorate and aluminate gelling mineral curing heavy metal).
Further, in step (1), in decontamination oxidant powder or decontamination oxidizing agent solution, adjuvant can be added nontoxic Oxidant (such as carbamide peroxide, peracetic acid etc.) and the absorbent that can react with acidic materials (such as ammonia, carbamide, Caustic soda, water Glass, sodium metaaluminate etc.).
Further, in the decontamination oxidant of step (1) or the preparation of decontamination oxidizing agent solution, described SODIUM PERCARBONATE, high ferro Hydrochlorate can be selected for commercially available prod or is prepared in situ by known method.
Further, the decontamination oxidation in step (2), unistage type can be taked to concentrate decontamination oxidation, segmentation or classification decontamination oxygen Change.
Further, when taking segmentation or classification decontamination oxidation in step (2), latter end or final stage add can be anti-with acidic materials At least one in the absorbent answered such as ammonia, carbamide, Caustic soda, waterglass, sodium metaaluminate etc..Can produce by known chemical process Stable ammonium nitrate and/or ammonium sulfate.
Further, when taking segmentation or classification decontamination oxidation in step (2), latter end or final stage can be by known chemical processes Prepare the mixed acid of sulphuric acid and nitric acid.
Beneficial effects of the present invention:
(1) strong oxidizer SODIUM PERCARBONATE (being commonly used to civilian washing decontamination and oxygen processed in the world) and the height of environmental type are selected Ferrite (reduction afterproduct be ferric iron or hydrated ferric oxide .) is raw materials technology, auxiliary is equipped with nontoxic activator as compound Oxidant, oxidability is better than SODIUM PERCARBONATE and the ferrate of activation, can effectively remove the heavy metal in flue gas, fluorine, chlorine, Sulfur, nitre pollutant, and unburnt Hydrocarbon in flue gas can be removed by efficient oxidation, but nontoxic to people, to equipment without Corrosion, non-secondary pollution produce are raw, discharge without slag and effluent, beneficially production safety and environmental protection.
(2) flue gas decontamination oxidation product is easy to recycling, fertile as industrial chemicals and/or agriculture, flue gas harmful pollution Thing purified treatment and utilization are thorough, beneficially recycling economy development.
(3) technique is simple and is easy to Automated condtrol adjustment, small investment, and processing cost is relatively low, better economy, profit In popularization, provide a kind of effective technical scheme for effectively solving the high-efficient purification of large, medium and small all types of industries kiln gas.
The present invention utilizes nontoxic, non-corrosiveness, free from chloride environment-friendly type composite oxidant raw materials technology, uses semidry method or dry Method spraying treatment flue gas, with sulfur, nitre, fluorine, chlorine and heavy metal in the strong oxidation purifying smoke under the conditions of neutrality to alkalescence Pollutant, and efficient oxidation removes unburnt Hydrocarbon in flue gas, and recycling product of removing contamination is former as chemical industry Material or agriculture are fertile, and process is simple, small investment, and operation cost is relatively low, corrosion-free to Industrial Stoves apparatus for production line, have preferably Economy and environmental benefit.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
Certain Rhizoma Begoniae Willsonii factory, using fire coal is fuel, is directly discharged in air by flue stack, cigarette after this factory's flue gas removing dust device dedusting Gas has pungent abnormal smells from the patient.Gas cleaning in test aoxidizes space with existing flue stack for decontamination, installs Xi'an during test The TR-9300 flue gas on-line monitoring analyser of cumulative Instrument Ltd..During non-decontamination oxidation, composition in on-line checking flue gas, NOxContent is 976mg/Nm3、SO2Content is 1287mg/Nm3, CO content be 0.43mg/Nm3, smoke sampling detection mercury content It is 30.21 μ g/Nm3, fluorinated volume be 26.9mg/Nm3, chlorinty be 45.37mg/Nm3, hydrocarbons content be CHx 2134mg/Nm3.Test selects commercially available SODIUM PERCARBONATE and potassium ferrate as oxidant, selects commercially available manganese sulfate, copper sulfate As activator, carry out industrial furnace smoke heavy metal as follows and fluorine chlorine sulfur nitre purifies and the examination of resource utilization method Test:
(1) prepared by decontamination oxidant: based on active ingredient, is carbon in mass ratio by SODIUM PERCARBONATE and potassium ferrate and activator Acid sodium 69: potassium ferrate 30.7: activator 0.3(wherein manganese sulfate 0.2, copper sulfate 0.1) ratio dispensing, make effective ingredient Mass concentration is the decontamination oxidizing agent solution of 5.6%；
(2) decontamination oxidation: the decontamination oxidizing agent solution of step (1) gained is atomized the cigarette after spraying into the outlet of Industrial Stoves dust-precipitator In feed channel, directly using flue chimney as the device of decontamination oxidation reaction, heavy metal in removing flue gas, fluorine, chlorine, The pollutant such as sulfur, nitre, sulfur dioxide, oxynitride, and aoxidize unburnt Hydrocarbon in removing flue gas.Adjust decontamination Oxidizing agent solution straying quatity, on-line checking harmful substances from flue gases content so that it is stable content controls at NOx＜ 100mg/Nm3、 SO2＜ 100mg/Nm3, CO content≤0.02 mg/Nm3.Smoke sampling detection mercury content is 1.77 μ g/Nm3, fluorinated volume be 1.9mg/Nm3, chlorinty be 1.8mg/Nm3、CHxContent is 113mg/Nm3, flue gas abnormal flavour disappears.
The decontamination oxidant of strong oxidation is atomized in the flue after spraying into dust-precipitator outlet by this test, to cross carbon Acid sodium and ferrate are combined the superpower Oxidation of soil release agent, can be sulfur trioxide by the oxidizing sulfur dioxide in flue gas, then It is converted into the sulfate such as sodium sulfate, iron sulfate and desulfurization；Nitric oxide in flue gas (can be accounted for NOxThe 90% of total amount) oxidation For nitrogen dioxide, it is then converted to the nitrate such as sodium nitrate, ferric nitrate and denitration；Fluorine, chlorine compound oxidation can be converted into fluorination The salt such as sodium, sodium chloride and de-fluorine and chlorine removal；Heavy metal oxidation can be converted into inorganic compound (such as Mercury bisulfate., Mercury pernitrate. etc.) and Heavy metal contaminants in removing flue gas, and unburnt Hydrocarbon in flue gas can be removed by efficient oxidation.
(3) recycling: the removing heavy metal that will process through step (2), fluorine, chlorine, sulfur, nitre, sulfur dioxide, nitrogen oxidation The mixture with sulfate, nitrate, villiaumite, villaumite as main component of the pollutant gained such as compound, is fed directly to certain commodity Concrete station is combined early with using existing concrete as the inorganic salt alternative materials in concrete complex accelerator, feedback effects Strong agent is suitable, does not reveals any abnormalities；The concrete block using this alternative materials to make concrete early strength agent carries out toxicity and leaches examination Testing, Leaching of Heavy Metals amount, without obvious change, illustrates that cement concrete can effectively solidify heavy metal ion therein.
Embodiment 2
Certain mountain area smeltery, is directly discharged in air by flue stack after this factory's flue gas removing dust device dedusting, and flue gas has pungent Abnormal smells from the patient.Gas cleaning in test, from arranging a decontamination oxidator between existing flue and chimney, installs Xi'an during test The TR-9300 flue gas on-line monitoring analyser of cumulative Instrument Ltd..During non-decontamination oxidation, on-line checking exhaust gas components, cigarette NO in gasxContent is 1478mg/Nm3、SO2Content is 3586mg/Nm3, CO content be 0.29mg/Nm3, smoke sampling detection is mercurous Amount is 38.44 μ g/Nm3, fluorinated volume be 57.3mg/Nm3, chlorinty be 44.37mg/Nm3, hydrocarbons content be CHx837mg/Nm3.Test selects commercially available SODIUM PERCARBONATE and potassium ferrate as oxidant, selects commercially available nickel sulfate, sulphuric acid Cobalt selects Caustic soda as activator, adjuvant, carries out industrial furnace smoke heavy metal as follows and fluorine chlorine sulfur nitre purifies and money Source Application way test:
(1) preparation of decontamination oxidizing agent solution: based on active ingredient, by SODIUM PERCARBONATE and potassium ferrate and activator in mass ratio For SODIUM PERCARBONATE 32: potassium ferrate 67.89: activator 0.11(wherein cobaltous sulfate 0.01, nickel sulfate 0.1) ratio dispensing, auxiliary Material is allocated into by the 35% of SODIUM PERCARBONATE and potassium ferrate gross mass, and each component adds water mix homogeneously, makes effective composition quality concentration It it is the decontamination oxidizing agent solution of 3.3%；
(2) decontamination oxidation: be atomized by the decontamination oxidizing agent solution of step (1) gained and spray in decontamination oxidator, in removing flue gas Heavy metal, fluorine, chlorine, sulfur, nitre, sulfur dioxide, the pollutant such as oxynitride, and aoxidize in removing flue gas unburnt hydrocarbon Compound.Adjust decontamination oxidizing agent solution straying quatity, on-line checking harmful substances from flue gases content, make each harmful substance contents steady Determine to control at NOx＜ 180mg/Nm3、SO2＜ 180mg/Nm3, CO content ＜ 0.02 mg/Nm3.Smoke sampling detects, its mercury content It is 2.83 μ g/Nm3, fluorinated volume be 2.6mg/Nm3, chlorinty be 2.2mg/Nm3、CHxFor 17mg/Nm3.Flue gas abnormal flavour disappears.
The decontamination oxidant of strong oxidation is atomized in the decontamination oxidizing tower after spraying into dust-precipitator outlet by this test, with mistake Sodium carbonate and ferrate are combined the superpower Oxidation of soil release agent, can be sulfur trioxide by the oxidizing sulfur dioxide in flue gas, It is then converted to the sulfate such as sodium sulfate, iron sulfate and desulfurization；Nitric oxide in flue gas (can be accounted for NOxThe 90% of total amount) oxygen Turn to nitrogen dioxide, be then converted to the nitrate such as sodium nitrate, ferric nitrate and denitration；Fluorine, chlorine compound oxidation can be converted into fluorine Change the salt such as sodium, sodium chloride and take off fluorine and chlorine removal；Can be that (raw materials and fuel brings generation into ionic state by the heavy metal oxidation in flue gas Mercury vapour is oxidized to mercury ion) generate inorganic compound (such as Mercury bisulfate., Mercury pernitrate. etc.) and remove heavy metal in flue gas pollutant, And unburnt Hydrocarbon in flue gas can be removed by efficient oxidation.
(3) recycling: the pollutant institutes such as heavy metal, fluorine, chlorine, sulfur, nitre, sulfur dioxide, oxynitride will be removed The mixture with sulfate, nitrate, villiaumite, villaumite as main component obtained, by known chemical separating method, isolates it In heavy metallic salt (Mercury bisulfate., mercuric chloride, natrium arsenicum), villiaumite (ferric flouride), villaumite (sodium chloride), sulfate (sodium sulfate, sulfur Acid ferrum), nitrate (sodium nitrate), the sodium nitrate of gained waters grass as agricultural fertilizer, the heavy metallic salt of gained, villiaumite, villaumite, sulfur Hydrochlorate, arsenate are used as industrial chemicals, it is achieved recycling.
Embodiment 3
Certain factory's heating boiler gas cleaning, this factory's heating boiler flue gas is directly discharged into by flue stack after water washing dedust device dedusting In air, containing a large amount of water vapour whitening colors in flue gas.Gas cleaning in test arranges one between existing flue and chimney Individual decontamination oxidator, installs the TR-9300 flue gas on-line monitoring analyser of Xi'an cumulative Instrument Ltd. during test.Non-decontamination During oxidation, oxious component content in on-line checking flue gas, NO in flue gasxContent is 1236mg/Nm3、SO2Content is 886mg/ Nm3, CO content be 0.19 mg/Nm3, smoke sampling detection mercury content is 20.73 μ g/Nm3, fluorinated volume be 12.1mg/Nm3, contain Chlorine dose is 16.4mg/Nm3, hydrocarbons content be CHx217mg/Nm3.Commercially available SODIUM PERCARBONATE and potassium ferrate are selected in test As oxidant, select commercially available nickel sulfate, copper sulfate as activator, carry out industrial furnace smoke heavy metal as follows Purify with fluorine chlorine sulfur nitre and resource utilization method test.
(1) prepared by decontamination oxidant: based on active ingredient, by SODIUM PERCARBONATE and potassium ferrate and activator is in mass ratio SODIUM PERCARBONATE 84: potassium ferrate 15.3: activator 0.7(wherein copper sulfate 0.5, nickel sulfate 0.2) ratio dispensing, mixing is all Even, make the fineness decontamination oxidant powder less than 120 mesh.
(2) decontamination oxidation: the decontamination oxidant powder compressed air of step (1) gained is atomized and sprays into decontamination oxidator In, remove the pollutant such as the heavy metal in flue gas, fluorine, chlorine, sulfur, nitre, sulfur dioxide, oxynitride, and aoxidize removing flue gas In unburnt Hydrocarbon.Adjusting decontamination oxidant straying quatity, on-line checking harmful substances from flue gases content, by flue gas Harmful substance contents stability contorting is at NOxContent ＜ 150mg/Nm3、SO2Content ＜ 150mg/Nm3, CO content ＜ 0.02 mg/ Nm3.Smoke sampling detection mercury content is 1.7 μ g/Nm3, fluorinated volume be 1.1mg/Nm3, chlorinty be 1.3mg/Nm3、CHxContent is 24mg/Nm3。
The decontamination oxidant of strong oxidation is atomized in the decontamination oxidator after spraying into dust-precipitator outlet by this test, with mistake Sodium carbonate and ferrate are combined the superpower Oxidation after soil release agent and water vapor acting, can be by the sulfur dioxide oxygen in flue gas Turn to sulfur trioxide, be converted into the sulfate such as sodium sulfate, iron sulfate and desulfurization；Nitric oxide in flue gas (can be accounted for NOxAlways The 90% of amount) it is oxidized to nitrogen dioxide, it is converted into the nitrate such as sodium nitrate, ferric nitrate and denitration；Can be by fluorine, chlorine compound oxidation It is converted into the compound such as sodium fluoride, sodium chloride and takes off fluorine and chlorine removal；Can be ionic state (raw materials and fuel by the heavy metal oxidation in flue gas The mercury vapour bringing generation into is oxidized to mercury ion) generate inorganic compound (such as Mercury bisulfate., Mercury pernitrate. etc.) and remove in flue gas Heavy metal contaminants, and unburnt Hydrocarbon in flue gas can be removed by efficient oxidation.
(3) recycling: the removing heavy metal that will process through step (2), fluorine, chlorine, sulfur, nitre, sulfur dioxide, nitrogen oxidation The mixture with sulfate, nitrate, villiaumite, villaumite as main component of the pollutant gained such as compound, is divided by known chemical industry From method, isolate heavy metallic salt therein (Mercury bisulfate., mercuric chloride, natrium arsenicum), villiaumite (ferric flouride), villaumite (sodium chloride), Sulfate (sodium sulfate), nitrate (sodium nitrate), the sodium nitrate of gained waters grass as agricultural fertilizer, the heavy metallic salt of gained, fluorine Salt, villaumite, sulfate, arsenate are used as industrial chemicals, it is achieved recycling.
Embodiment 4
Certain factory's heating boiler gas cleaning, is directly discharged into air by flue stack after this factory's heating boiler flue gas removing dust device dedusting In.Gas cleaning in test is from arranging one, two two-stage decontamination oxidators between existing flue and chimney, flue gas is through the first order The rear entrance second level.The TR-9300 flue gas on-line monitoring analyser of Xi'an cumulative Instrument Ltd. is installed during test.Non-decontamination During oxidation, the content of on-line checking harmful substances from flue gases, NOxContent is 1203mg/Nm3、SO2Content is 843mg/Nm3、CO Content is 0.17 mg/Nm3, smoke sampling detection mercury content is 17.73 μ g/Nm3, fluorinated volume be 17.1mg/Nm3, chlorinty be 21.4mg/Nm3, hydrocarbons content be CHx239mg/Nm3.Test selects commercially available SODIUM PERCARBONATE and Na2Fe04 as oxygen Agent, selects commercially available nickel sulfate, copper sulfate to select Caustic soda as activator, adjuvant, carry out Industrial Stoves cigarette as follows Gas heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method test.
(1) prepared by decontamination oxidizing agent solution: based on active ingredient, and first order decontamination oxidator mainly removes heavy metal and fluorine Chlorine, decontamination oxidant used is SODIUM PERCARBONATE 84.8 by the mass ratio of SODIUM PERCARBONATE and potassium ferrate and activator: Na2Fe04 15: activator 0.2(wherein copper sulfate 0.1, nickel sulfate 0.1) ratio dispensing, each component adds water mix homogeneously, makes effectively one-tenth Point mass concentration is the decontamination oxidizing agent solution (A agent) of 7%.The removing denitration of second level decontamination oxidator main oxidation and hydrocarbonization Compound, decontamination oxidant used is SODIUM PERCARBONATE 15 by the mass ratio of SODIUM PERCARBONATE and potassium ferrate and activator: potassium ferrate 84.8: activator 0.2(wherein copper sulfate 0.1, nickel sulfate 0.1) ratio dispensing, adjuvant Caustic soda presses SODIUM PERCARBONATE and ferric acid The 40% of potassium gross mass is allocated into, and each component adds water mix homogeneously, makes the decontamination oxidant that effective composition quality concentration is 2.2% molten Liquid (B agent).
(2) decontamination oxidation: classification decontamination aoxidizes.By A agent atomization spray in one-level decontamination oxidator, removing flue gas in Heavy metal, fluorine, chlorine are main flue gas pollutant.B agent atomization spray in two grades of decontamination oxidators, removing flue gas in titanium dioxide Sulfur, oxynitride, Hydrocarbon are main pollutant.Adjust decontamination oxidizing agent solution A in I and II decontamination oxidator Agent, B agent straying quatity, the content of noxious pollutant in on-line checking flue gas so that it is stable content controls at NOx＜ 100mg/Nm3、 SO2＜ 100mg/Nm3, CO content ＜ 0.01 mg/Nm3.Smoke sampling detection mercury content is 1.5 μ g/Nm3, fluorinated volume be 0.0mg/Nm3, chlorinty be 0.0mg/Nm3、CHxContent is 16mg/Nm3。
(3) recycling: the mixing based on fluorine, chlorine and heavy metallic salt that the first order decontamination oxidator of collection is removed Compound dries, and tests with enamel frit makeing directly as the supply of flux alternative materials is metallurgical, and feedback is fluxed respond well.The will collected The mixture based on sodium sulfate, sodium nitrate of two grades of decontamination oxidators removing dries, as concrete admixture sodium sulfate, The alternative materials of sodium nitrate, supply makes concrete admixture, feed back with the performance of its concrete admixture made with use sulfur The additive performance that acid sodium, sodium nitrate are made is suitable.
Embodiment 5
Certain mountain area smeltery gas cleaning, is directly discharged in air by flue stack after this factory's flue gas removing dust device dedusting.Test In gas cleaning from arranging one-level decontamination oxidator and two grades of decontamination oxidative absorption devices, flue gas between existing flue and chimney Second level decontamination oxidative absorption device is entered after first order decontamination oxidator.Xi'an cumulative Instrument Ltd. is installed during test TR-9300 flue gas on-line monitoring analyser.During non-decontamination oxidation, the content of noxious pollutant, NO in on-line checking flue gasxContent For 1475mg/Nm3、SO2Content is 3478mg/Nm3, CO content be 0.29 mg/Nm3, smoke sampling detection mercury content is 31.73 μg/Nm3, fluorinated volume be 47.1mg/Nm3, chlorinty be 31.4mg/Nm3, Hydrocarbon CHxContent is 1464mg/Nm3。
Test selects commercially available SODIUM PERCARBONATE and potassium ferrate as oxidant, selects commercially available nickel sulfate, copper sulfate as work Agent, adjuvant is selected commercially available ammonia and carbamide peroxide, is carried out industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre as follows Purify and resource utilization method test.
(1) preparation of decontamination oxidizing agent solution: based on active ingredient, decontamination oxidant used by first order decontamination oxidator is pressed The mass ratio of SODIUM PERCARBONATE and Na2Fe04 and activator is SODIUM PERCARBONATE 19: Na2Fe04 80.5: activator 0.5(wherein sulfur Acid copper 0.4, nickel sulfate 0.1) ratio dispensing, each component adds water, mix homogeneously, and making effective composition quality concentration is 3.5% Decontamination oxidizing agent solution (A agent).Decontamination oxidant used by second level decontamination oxidative absorption device by SODIUM PERCARBONATE and Na2Fe04 and The mass ratio of activator is SODIUM PERCARBONATE 89: Na2Fe04 10.8: activator 0.2(wherein copper sulfate 0.1, nickel sulfate 0.1) Ratio dispensing, adjuvant carbamide peroxide, ammonia allocated into by SODIUM PERCARBONATE and the 5% of potassium ferrate gross mass and 100% respectively, each component Add water mixing, makes the decontamination oxidizing agent solution (B agent) that effective composition quality concentration is 12%.
(2) decontamination oxidation: classification decontamination aoxidizes.A agent atomization is sprayed in one-level decontamination oxidator, in oxidation removal flue gas Based on heavy metal, fluorine, the flue gas pollutant of chlorine, and by part sulfur dioxide, oxynitride, oxidizing hydrocarbon. B agent atomization is sprayed into two grades of decontamination oxidative absorption devices, and the sulfur dioxide in removing flue gas, oxynitride etc. pollute further Thing, and the sulfur nitre in flue gas is converted into ammonium sulphate, nitric acid ammonia etc..Adjust decontamination oxidant in I and II decontamination oxidator molten Liquid A agent, B agent straying quatity, pollutant load in on-line checking flue gas, make the pollutant load stability contorting in flue gas at NOxContain Amount ＜ 100mg/Nm3、SO2Content ＜ 100mg/Nm3, CO content ＜ 0.01mg/Nm3.Smoke sampling detection mercury content is 1.5 μ g/ Nm3, fluorinated volume be 0.0mg/Nm3, chlorinty be 0.0mg/Nm3、CHxContent is 2mg/Nm3。
(3) recycling: the mixing based on fluorine, chlorine and heavy metallic salt that the first order decontamination oxidator of collection is removed Compound, produces heavy metal liquid hydrargyrum, villiaumite and sodium fluoride, sodium chloride industrial chemicals by known chemical separating method.By collect The mixture based on ammonium sulphate, nitric acid ammonia of second level decontamination oxidative absorption device decontamination gained is removed by known chemical industry method Grass is watered as chemical fertilizer after hydrargyrum therein, lead, arsenic element.
Embodiment 6
Certain mountain area Lead And Zinc Smelter gas cleaning, is directly discharged in air by flue stack after this factory's flue gas removing dust device dedusting. Gas cleaning in test is from arranging four-part form decontamination oxidator between existing flue and chimney, and latter end (the 4th section) circulation is made Acid.The TR-9300 flue gas on-line monitoring analyser of Xi'an cumulative Instrument Ltd. is installed during test.During non-decontamination oxidation, The content of pollutant, NO in line detection flue gasxContent is 1026mg/Nm3、SO2Content ＞ 4500mg/Nm3, CO content be 0.29 mg/Nm3, smoke sampling detection mercury content is 31.73 μ g/Nm3, fluorinated volume be 47.1mg/Nm3, chlorinty be 31.4mg/Nm3。 Test select commercially available SODIUM PERCARBONATE and Na2Fe04 as oxidant, select commercially available nickel sulfate, copper sulfate as activator, Carry out industrial furnace smoke heavy metal as follows and fluorine chlorine sulfur nitre purifies and resource utilization method test.
(1) prepared by decontamination oxidizing agent solution: based on active ingredient, by SODIUM PERCARBONATE and Na2Fe04 and the quality of activator Than be SODIUM PERCARBONATE 16: Na2Fe04 83.8: activator 0.2(wherein copper sulfate 0.1, nickel sulfate 0.1) ratio dispensing, each group Part adds water mix homogeneously, makes the decontamination oxidizing agent solution that effective composition quality concentration is 5.5%；
(2) decontamination oxidation: segmentation decontamination aoxidizes, sprays into the one of decontamination oxidator, two, three sections by the atomization of decontamination oxidizing agent solution In, in oxidation removal flue gas based on heavy metal, fluorine, the flue gas pollutant of chlorine, be allowed to be converted into fluoride salt, chlorate is main Compound, and sulfur dioxide, oxynitride are oxidized to sulfur trioxide, nitrogen dioxide.Adjust decontamination oxidator one, two, The straying quatity of decontamination oxidizing agent solution in three sections, the content of pollutant in on-line checking flue gas, make the content of pollutant in flue gas Stability contorting is at NOxContent ＜ 100mg/Nm3、SO2Content ＜ 100mg/Nm3, CO content ＜ 0.01mg/Nm3.Smoke sampling detects Mercury content is 1.5 μ g/Nm3, fluorinated volume be 0.0mg/Nm3, chlorinty be 0.0mg/Nm3、CHxContent is 2mg/Nm3.Latter end is pressed The oxidized sulfur of known acid-making process cyclic absorption, nitre, the mixed acid mass concentration to sulphuric acid and nitric acid reaches more than 20%.
(3) recycling: be main by fluorine, chlorine and the heavy metallic salt of one to three section of removing in the decontamination oxidator of collection Mixture produces heavy metal liquid hydrargyrum, villiaumite and villaumite industrial chemicals by known chemical separating method.Latter end collect sulphuric acid and The mixed acid of nitric acid, its mass concentration is 31.7%, as industrial chemicals.

Claims (10)

1. industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method, it is characterised in that include following step Rapid:
(1) decontamination oxidant powder or the preparation of decontamination oxidizing agent solution: based on the mass concentration of active ingredient, with SODIUM PERCARBONATE It it is SODIUM PERCARBONATE 10～90 with the mass ratio of ferrate and activator: ferrate 10～90: the ratio of activator 0.01～5 Dispensing, mix homogeneously makes powder, obtains solid decontamination oxidant powder, or to make effective concentration be 0.5%～15% Aqueous solution, obtains decontamination oxidizing agent solution；
Described ferrate be in Na2Fe04, potassium ferrate, ferric acid magnesium, calcium ferrate, barium ferrate, ferric acid zinc extremely Few one；
Described activator is the water soluble compound of ferrum, manganese, copper, nickel, cobalt；
(2) decontamination oxidation: decontamination oxidant powder or the atomization of decontamination oxidizing agent solution of step (1) gained are sprayed into Industrial Stoves Flue in, and/or atomization spray in the decontamination oxidator being arranged on flue, with the flue of Industrial Stoves And/or decontamination oxidator is as the device of decontamination oxidation reaction, the heavy metal in removing flue gas, fluorine, chlorine, sulfur, nitre, titanium dioxide Sulfur, oxynitride pollutant, and aoxidize unburnt Hydrocarbon in removing flue gas.
Industrial furnace smoke heavy metal the most according to claim 1 and fluorine chlorine sulfur nitre purify and resource utilization method, its Being characterised by, in step (1), SODIUM PERCARBONATE, ferrate, the mass ratio of activator are SODIUM PERCARBONATE 15～75: ferrate 15～75: activating agent 0.1～2.0.
Industrial furnace smoke heavy metal the most according to claim 1 and 2 and fluorine chlorine sulfur nitre purify and resource utilization method, It is characterized in that, in step (1), described activator is Complexing Iron, iron sulfate, iron chloride, manganese nitrate, manganese chloride, copper sulfate, chlorine Change at least one in copper, Nickel dichloride., nickel nitrate, cobaltous chloride, cobalt nitrate.
Industrial furnace smoke heavy metal the most according to claim 1 and 2 and fluorine chlorine sulfur nitre purify and resource utilization method, It is characterized in that, the present invention increases step (3) recycling: the removing heavy metal that will process through step (2), fluorine, chlorine, sulfur, Nitre, sulfur dioxide, the mixture with sulfate, nitrate, villiaumite, villaumite as main component of oxynitride gained, by changing Work separation method, isolates heavy metallic salt therein, villiaumite, villaumite, sulfate, nitrate, and the nitrate of gained is as agricultural With fertilizer or as industrial chemicals, the heavy metallic salt of gained, villiaumite, villaumite supply metallurgical or chemical industry, and sulfate is fertile for agriculture or builds Material, it is achieved recycling, or isolate after heavy metal therein fertile as cement and concrete early strength agent raw material or agriculture, or Directly as cement and concrete admixture being replaced with property raw material.
Industrial furnace smoke heavy metal the most according to claim 1 and 2 and fluorine chlorine sulfur nitre purify and resource utilization method, It is characterized in that, in step (1), in decontamination oxidant powder or decontamination oxidizing agent solution, add the oxidant that adjuvant is nontoxic And the absorbent that can react with acidic materials.
Industrial furnace smoke heavy metal the most according to claim 5 and fluorine chlorine sulfur nitre purify and resource utilization method, its Be characterised by, described nontoxic oxidant be carbamide peroxide or and peracetic acid；The described absorption can reacted with acidic materials Agent be ammonia, carbamide, Caustic soda, waterglass or and sodium metaaluminate.
Industrial furnace smoke heavy metal the most according to claim 1 and 2 and fluorine chlorine sulfur nitre purify and resource utilization method, It is characterized in that, the decontamination oxidation in step (2), take unistage type to concentrate decontamination oxidation, segmentation or classification decontamination oxidation.
Industrial furnace smoke heavy metal the most according to claim 1 and 2 and fluorine chlorine sulfur nitre purify and resource utilization method, It is characterized in that, when taking segmentation or classification decontamination oxidation in step (2), latter end or final stage add can react with acidic materials Absorbent.
Industrial furnace smoke heavy metal the most according to claim 8 and fluorine chlorine sulfur nitre purify and resource utilization method, its Being characterised by, the described absorbent that can react with acidic materials is at least in ammonia, carbamide, Caustic soda, waterglass, sodium metaaluminate Kind.
Industrial furnace smoke heavy metal the most according to claim 1 and 2 and fluorine chlorine sulfur nitre purify and recycling side Method, it is characterised in that when taking segmentation or classification decontamination oxidation in step (2), latter end or final stage prepare the mixed of sulphuric acid and nitric acid Close acid.
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