CN104784728A - Deodorant applicable to organic solid waste treatment and application of deodorant - Google Patents
Deodorant applicable to organic solid waste treatment and application of deodorant Download PDFInfo
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- CN104784728A CN104784728A CN201510165053.3A CN201510165053A CN104784728A CN 104784728 A CN104784728 A CN 104784728A CN 201510165053 A CN201510165053 A CN 201510165053A CN 104784728 A CN104784728 A CN 104784728A
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- 239000002781 deodorant agent Substances 0.000 title abstract 7
- 238000009270 solid waste treatment Methods 0.000 title abstract 2
- 239000007787 solid Substances 0.000 claims abstract description 49
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 36
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims abstract description 28
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000010902 straw Substances 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000440 bentonite Substances 0.000 claims abstract description 18
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 18
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 18
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 17
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 14
- 239000002910 solid waste Substances 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 23
- 229910000859 α-Fe Inorganic materials 0.000 claims description 14
- 239000002361 compost Substances 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 7
- 235000003222 Helianthus annuus Nutrition 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 240000006240 Linum usitatissimum Species 0.000 claims description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 3
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 244000020551 Helianthus annuus Species 0.000 claims 1
- 238000009264 composting Methods 0.000 abstract description 3
- 239000005416 organic matter Substances 0.000 abstract description 2
- 238000009278 biodrying Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 7
- 239000010794 food waste Substances 0.000 description 7
- 239000010865 sewage Substances 0.000 description 6
- 241000208818 Helianthus Species 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000010791 domestic waste Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 235000021190 leftovers Nutrition 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000019082 Osmanthus Nutrition 0.000 description 1
- 241000333181 Osmanthus Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000015505 Sorghum bicolor subsp. bicolor Nutrition 0.000 description 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010921 garden waste Substances 0.000 description 1
- -1 house refuse Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a deodorant applicable to organic solid waste treatment and an application of the deodorant. The deodorant comprises solid and liquid parts, wherein the solid part comprises components with the ratio of bentonite to kieselguhr to magnesia to an iron-based substance to porous plant straw being (0.5-2.5):(0.5-2.5):(0.5-2.5):(3-5):(5-10); the liquid part comprises a mixture of a 5% phosphoric acid solution, a 10% furfural solution and a 15% butyric acid solution with the ratio being (2-4):(1-2):(3-5). The solid part of the deodorant is mixed into organic solid waste, the mixing amount of the solid part ranges from 5% to 10%, the solid part and the organic solid waste are evenly stirred, then the liquid part of the deodorant is sprayed, the mixing amount of the liquid part ranges from 1% to 5%, composting or bio-drying treatment is performed after stirring, the odor concentration during biological treatment can be reduced by more than 90%, meanwhile, the total discharge amount of atmospheric PM2.5 class matters can be reduced, and the organic matter content and the calorific value of the organic solid waste are increased.
Description
Technical field
The present invention relates to solid waste recycling field, especially for the stench control technology relating to the organic solid waste composts such as house refuse, mud, changing food waste and the treatment technology such as biological dewatered.
Background technology
Along with the continuous expansion of city size, improving constantly of the growing and living standards of the people of urban population, the generation of domestic waste is increasing gradually.As far back as 1996, the municipal refuse amount of clearing of China just reached 100,000,000 tons, and every year with 8% ~ 10% speed increment.The volume of cargo in storage over the years of rubbish reaches more than 60 hundred million tons, and the whole nation has more than 200 city to be absorbed among the encirclement of rubbish, and rubbish is stored up the land area of occupying and reached more than 500,000,000 square metre.
Along with the develop rapidly of economy and going deep into of Development of China's Urbanization, the municipal sewage treatment amount of China is also increasing year by year.Municipal sewage sludge results from the stage of the biochemical treatment of city domestic sewage, mainly comes from the first of sewage treatment plants and secondary sedimentation tank, and the volume produced when being city domestic sewage process is maximum, the side-product that the most easily produces secondary pollution.The generation of mud is large, and processing 1000 tons of city domestic sewages, about to produce 1 ton of moisture content be the mud of 80%.In whole construction costs of sewage treatment plant, the part for Treatment of Sludge can reach 70%.Without after the mud entered environment that appropriate process is disposed, bring secondary pollution directly to water body and air, not only reduce the effective processing capacity of sewage disposal system, and serious threat is constituted to the activity of ecological environment and the mankind.
China's changing food waste generation is large, wide, mainly the mixture such as leftovers, leftover bits and pieces that produces in business process such as hotel, restaurant, enterprises and institutions dining room.At home, the organic waste generation of the eating and drinking establishment such as some dining rooms, hotel, restaurant is surprising.Beijing produces nearly more than 1600 tons of changing food waste every day, and according to " Chongqing changing food waste output investigation and analysis of physical and chemical property report " that University Of Chongqing has been responsible for, the output of Chongqing changing food waste every day in 2007 is about 1000 tons; By 2003, the changing food waste of Shanghai City generation every day also reached about 1100 tons.
Organic solid castoff certainly leads to odor pollution at biological treatment process.Odor pollution is a kind of form of atmospheric pollution, but due to its particularity, a lot of country it can be used as single-row public hazards to treat, and belongs to one of the typical public hazards in seven kinds, world today (atmospheric pollution, water pollution, soil pollution, sound pollution, vibration, land subsidence, stench).Foul gas directly acts on the olfactory sensation of people and damages to human body by breathing, along with people are to the raising day by day of environmental quality requirement, the ratio of the discontented mood that people cause various stench and complaint is also more and more higher, especially in some developed countries, to the complaint of stench exceeds that environmental pollution always complains more than 90%.In areas such as Japan and Hong Kong, odor pollution has become the main Environmental Problems that the public complains.In recent years, China's cities and towns odor pollution event frequently occurs, and stench complains ratio shared in whole environment tip-offs about environmental issues to occupy second, and odor pollution becomes a serious society and environmental problem day by day.Odor pollution control has caused the great attention of the Chinese government and environmental management department at different levels, and " Chinese national economy and social development 12 planning outline " clearly proposes " to strengthen odorant pollutant to administer ".
Summary of the invention
The present invention is to solve provide a kind of formula of the stench original position deodorizer be suitable in the organic solid waste biological treatment process such as house refuse, mud, changing food waste, use this deodorizer can solve the Deodor difficult problem perplexed in organic solid waste biological treatment process, reduce air PM2.5 class mass emissions total amount, increase the content of organic matter and the calorific value of organic solid waste, improve follow-up fertilizer efficiency and burn utilization rate.
Odor pollution source of generation original position for organic solid castoff biological treatment catches, adsorbs and degrades, and can obtain effect more better than the outer loss odor pollution gas of simple subsequent treatment.In-situ control thought controls to be applied in research in garbage compost nitrogen loss, improves quality of compost products; And considerably reduce the concentration of ammonia in odor pollution, decrease disposal of pollutants.But original position ozone Control mainly concentrates on the control of nitrogen element in composting process, according to olfact, other elements are as larger to the contribution of foul smell in the control of sulfur, and the Cl element contained in the deodorizer added is unfavorable for the utilizations such as follow-up burning and soil.Therefore, for the deodorizer of maladorous material in-situ control in development organic solid castoff biological treatment process, significant for the malodorous discharge controlling solidification disposal of waste facility.
The object of the invention is to be realized by following scheme:
Be applicable to a deodorizer for organic solid castoff process, described deodorizer comprises solid portion and liquid part, and described solid portion comprises: bentonite, kieselguhr, magnesia, ferrite based substances, porous straw, and the parts by weight of each solid constituent are:
Bentonite 0.5 ~ 2.5
Kieselguhr 0.5 ~ 2.5
Magnesia 0.5 ~ 2.5
Ferrite based substances 3 ~ 5
Porous straw 5 ~ 10;
Described liquid part comprises: 5% phosphoric acid solution, 10% furfuryl aldehyde solution and 15% butanoic acid solution, and the parts by weight of each liquid component are: 5% phosphoric acid solution 2 ~ 4
10% furfuryl aldehyde solution 1 ~ 2
15% butanoic acid solution 3 ~ 5.
Further, described ferrite based substances is any one or multiple mixture in iron powder, ferrum oxide, iron ore, Waste iron slag.
Further, described porous straw is any one or multiple mixture in sunflower pole, corn stalk, kaoliang stalk, waste of flax.
Further, the parts by weight of each solid constituent are:
Bentonite 1
Kieselguhr 1
Magnesia 1
Ferrite based substances 3
Porous straw 10;
The parts by weight of each liquid component are: 5% phosphoric acid solution 3
10% furfuryl aldehyde solution 2
15% butanoic acid solution 5.
Further, the parts by weight of each solid constituent are:
Bentonite 2
Kieselguhr 2
Magnesia 2
Ferrite based substances 5
Porous straw 10;
The parts by weight of each liquid component are: 5% phosphoric acid solution 4
10% furfuryl aldehyde solution 2
15% butanoic acid solution 5.
For an application for the deodorizer of organic solid castoff process, the step of deodorizer application is:
1) mix in organic solid castoff by described deodorizer solid portion, its volume occupies 5% ~ 10% of machine solid waste stream by weight;
2) organic solid castoff that with the addition of deodorizer solid portion is uniformly mixed 5 ~ 15 minutes and obtains uniform mixture;
3) in above-mentioned uniform mixture, spray the liquid part of described deodorizer, its volume is 1 ~ 5% of mixture weight, continues stirring more than 10 minutes, completes the interpolation of deodorizer;
4) organic solid castoff completing deodorizer interpolation is carried out compost or biological dewatered process.
beneficial effect of the present invention is:
1) composite deodurizing: employ solid-state and liquid two kinds of materials as compound deodorizer; Solid and liquid synergism, by absorption, complexation, activation, cushion, the compound action such as to build, and accelerates the conversion of odorant and fixing further;
2) first add solid matter, not only make solid matter play absorption organic solid waste collecting, in transport the percolate that produces due to temporary process, and solid matter is also growth has been built in microorganism, air enters skeleton; Adding liquid material again, excites the activity of the inorganic components such as bentonite, kieselguhr, magnesia, has cushioned the pH value of material, also for growth of microorganism provides a large amount of trace element;
3) original position deodorization: the Sources controlling foul gas volatilization produced at stench, has saved follow-up Odor control link;
4) fertilizer efficiency and calorific value can also be improved in deodorization simultaneously, be beneficial to follow-up Land_use change or burning disposal.
5) reduce air PM2.5 total emission volumn: adopt this deodorization medicament, organic solid waste is in compost or biological dewatered process, and PM2.5 total emission volumn reduces more than 70%.
Detailed description of the invention
embodiment 1
A kind of deodorizer being applicable to organic solid castoff process, described deodorizer comprises solid portion and liquid part, described solid portion comprises: bentonite (powder body), kieselguhr (powder body), magnesia (powder body), ferrite based substances, porous straw (5 ~ 10cm), and the parts by weight of each solid constituent are:
Bentonite 0.5 ~ 2.5
Kieselguhr 0.5 ~ 2.5
Magnesia 0.5 ~ 2.5
Waste iron slag 3 ~ 5
Porous straw 5 ~ 10;
Described liquid part comprises: 5% phosphoric acid solution, 10% furfuryl aldehyde solution and 15% butanoic acid solution, be more than aqueous solution, and the parts by weight of each liquid component are: 5% phosphoric acid solution 2 ~ 4
10% furfuryl aldehyde solution 1 ~ 2
15% butanoic acid solution 3 ~ 5.
Described ferrite based substances can be any one or multiple mixture in iron powder, ferrum oxide, iron ore, Waste iron slag.Described porous straw can be any one or multiple mixture in sunflower pole, corn stalk, kaoliang stalk, waste of flax.Because the short texture of sunflower pole, quality are soft, so sunflower pole is first-selected.
The preparation of solid portion: after bentonite, kieselguhr, magnesia are blended in about 60 degree oven dry, be crushed to particle diameter 0.5mm ~ 1mm(dispersion effect and adsorption effect is all better), again ferrite based substances is crushed to 0.5 ~ 1mm, again porous straw is crushed to 5 ~ 10mm(this kind of straw length and can reaches optimum efficiency, straw is too short to be required high to crushing operation, straw oversize being unfavorable for is uniformly dispersed, and deodorizing effect does not reach the best), then by three kinds of ground product mixing and stirring.
The step of deodorizer application is:
1) mix in organic solid castoff by described deodorizer solid portion, its volume occupies 5% ~ 10% of machine solid waste stream by weight;
2) organic solid castoff that with the addition of deodorizer solid portion is uniformly mixed 5 ~ 15 minutes and obtains uniform mixture, send in blender and stir great efforts, effect can significantly improve;
3) in above-mentioned uniform mixture, spray the liquid part of described deodorizer, its volume is 1 ~ 5% of mixture weight, continues stirring more than 10 minutes, completes the interpolation of deodorizer;
4) organic solid castoff completing deodorizer interpolation is carried out compost or biological dewatered process, the odor concentration in biological treatment process can be reduced by more than 90%.
Bentonite, kieselguhr and the effect to porous straw class are the foul smell of percolate and the volatilization produced in absorption biological treatment process; The effect of magnesia and phosphoric acid generates guanite crystal with the ammonia in material, and the effect of ferrite based substances is that the sulfur in material is combined, and forms iron sulfide, suppresses the volatilization of sulfur compounds; The effect of furfural and butanoic acid is the activity regulating the pH buffering range of material and excite bentonite, kieselguhr, magnesia.During three class material compound uses, not only adsorbable, complexation odor causing substance, and excite the activity of the inorganic components such as bentonite, kieselguhr, magnesia, also for growth of microorganism provides a large amount of trace element, build the skeleton of growth of microorganism, accelerated the conversion of odorant further and fix.
embodiment 2
At the enterprising one-step optimization in the basis of embodiment 1.
Be 60% domestic waste (being equivalent to described solid waste) by moisture content, through rotary screen (Tianjin hundred profit, 10t/h), vibrating screen classifier (the industrial mining machinery plant in the western gulf of directorial area, flat osmanthus, model: 1200*2400; ) and magnetic separator (Dongyang Tian Li magnetoelectricity company limited, model: CTB-712) remove inorganic foreign material after (obtaining organic solid), by bentonite: kieselguhr: magnesia: iron powder: after sunflower pole (about 5cm) configures according to the part by weight of 1:1:1:3:10, add in domestic waste with the ratio that weight proportion is 5%, mix homogeneously in batch mixer, mixes 10 minutes.Then, by 5% phosphoric acid: 10% furfural: 15% butanoic acid solution becomes mixed solution according to the proportions of 3:2:5, and the ratio with 1% sprays in batch mixer, remixes 10 minutes.Again the house refuse that with the addition of the deodorizer of liquid and solid is carried out putting into homemade composting device and carry out compost treatment, (triangle odor bag method is adopted to measure at the odor concentration that measures respectively for the 3rd day, the 5th day, the 10th day, the 15th day and the 21st day of compost, emission standard for odor pollutants, GB 14554-93), the odor concentration of discharge reduces by more than 90%.
embodiment 3
The basis of embodiment 1 is optimized.
Be after adding certain adjuvant (as rice husk, mushroom residue, garden waste etc.) in 80% domestic sludge by moisture content, by bentonite: kieselguhr: magnesia: Waste iron slag: after broomcorn straw configures according to the part by weight of 2:2:2:5:10, add in mud with the ratio that weight proportion is 5%, mix homogeneously in batch mixer, mixes 15 minutes.Then, by 5% phosphoric acid: 10% furfural: 15% butanoic acid becomes mixed solution according to the proportions of 4:2:5, the ratio with 5% sprays in batch mixer, remixes 10 minutes.Again the mud that with the addition of the deodorizer of liquid and solid is carried out putting into biological dewatered workshop and carry out biological dewatered process, measuring odor concentration respectively the biological dewatered the 3rd day, the 5th day, the 10th day, the 15th day and the 21st day (adopts triangle odor bag method to measure, emission standard for odor pollutants, GB 14554-93), odor concentration in environment reduces by more than 90%, adds 5.8% through biological dewatered sludge calorific value.
Claims (6)
1. one kind is applicable to the deodorizer of organic solid castoff process, it is characterized in that, described deodorizer comprises solid portion and liquid part, and described solid portion comprises: bentonite, kieselguhr, magnesia, ferrite based substances, porous straw, and the parts by weight of each solid constituent are:
Bentonite 0.5 ~ 2.5
Kieselguhr 0.5 ~ 2.5
Magnesia 0.5 ~ 2.5
Ferrite based substances 3 ~ 5
Porous straw 5 ~ 10;
Described liquid part comprises: 5% phosphoric acid solution, 10% furfuryl aldehyde solution and 15% butanoic acid solution, and the parts by weight of each liquid component are: 5% phosphoric acid solution 2 ~ 4
10% furfuryl aldehyde solution 1 ~ 2
15% butanoic acid solution 3 ~ 5.
2. deodorizer according to claim 1, is characterized in that: described ferrite based substances is any one or multiple mixture in iron powder, ferrum oxide, iron ore, Waste iron slag.
3. deodorizer according to claim 1, is characterized in that: described porous straw is any one or multiple mixture in sunflower pole, corn stalk, kaoliang stalk, waste of flax.
4. deodorizer according to claim 1, is characterized in that: the parts by weight of each solid constituent are:
Bentonite 1
Kieselguhr 1
Magnesia 1
Ferrite based substances 3
Porous straw 10;
The parts by weight of each liquid component are: 5% phosphoric acid solution 3
10% furfuryl aldehyde solution 2
15% butanoic acid solution 5.
5. deodorizer according to claim 1, is characterized in that: the parts by weight of each solid constituent are:
Bentonite 2
Kieselguhr 2
Magnesia 2
Ferrite based substances 5
Porous straw 10;
The parts by weight of each liquid component are: 5% phosphoric acid solution 4
10% furfuryl aldehyde solution 2
15% butanoic acid solution 5.
6., based on an application for the deodorizer described in claim 1 ~ 5, it is characterized in that,
The step of deodorizer application is:
1) mix in organic solid castoff by described deodorizer solid portion, its volume occupies 5% ~ 10% of machine solid waste stream by weight;
2) organic solid castoff that with the addition of deodorizer solid portion is uniformly mixed 5 ~ 15 minutes and obtains uniform mixture;
3) in above-mentioned uniform mixture, spray the liquid part of described deodorizer, its volume is 1 ~ 5% of mixture weight, continues stirring more than 10 minutes, completes the interpolation of deodorizer;
4) organic solid castoff completing deodorizer interpolation is carried out compost or biological dewatered process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510165053.3A CN104784728B (en) | 2015-04-09 | 2015-04-09 | A kind of deodorant handled suitable for organic solid castoff and its application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510165053.3A CN104784728B (en) | 2015-04-09 | 2015-04-09 | A kind of deodorant handled suitable for organic solid castoff and its application |
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| CN104784728B CN104784728B (en) | 2017-09-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384516A (en) * | 2015-11-12 | 2016-03-09 | 北京建筑材料科学研究总院有限公司 | Composite inductive agent for composting and deodorizing kitchen waste and application method thereof |
| CN109529526A (en) * | 2018-12-28 | 2019-03-29 | 南京金湖环保科技有限公司 | A kind of microorganism composite type deodorization agent and preparation method thereof |
| CN113908680A (en) * | 2021-09-01 | 2022-01-11 | 郑州轻工业大学 | Deodorant for organic solid waste aerobic fermentation treatment and preparation method thereof |
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| CN105384516B (en) * | 2015-11-12 | 2019-02-12 | 北京建筑材料科学研究总院有限公司 | A kind of co-induction agent and its application method for kitchen waste compost deodorization |
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| CN113908680A (en) * | 2021-09-01 | 2022-01-11 | 郑州轻工业大学 | Deodorant for organic solid waste aerobic fermentation treatment and preparation method thereof |
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| CN104784728B (en) | 2017-09-05 |
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