CN102676216B - Decolorization-desulfurization-decarboxylation-deodorization technique of plastic oil - Google Patents
Decolorization-desulfurization-decarboxylation-deodorization technique of plastic oil Download PDFInfo
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Abstract
The invention belongs to the field of renewable energy sources, and particularly relates to a decolorization-desulfurization-decarboxylation-deodorization technique of plastic oil, which comprises the following steps: oxidizing plastic oil with hypochlorite at room temperature, extracting with a composite extraction solvent, adsorbing with wood meal to enhance odor, filtering, and adding a composite stabilizer. The product is light yellow, clear and transparent, and has an aromatic odor. The detection proves that the color number is at most 3, the sulfate content is at most 0.03%, and the acidity is at most 5mg.KOH/100mL. After the product is stored at room temperature for two months, various indexes are changed slightly. The plastic oil can be prepared into the high-quality product without catalytic hydrogenation; and thus, the technique has the advantages of low equipment investment, high production operation safety, environmental protection and the like, and the composite extraction solvent and the wood meal can be recycled after simple treatment.
Description
(1) technical field under:
The invention belongs to renewable energy resources field, particularly a kind of decolouring desulfurization decarboxylation of plastic oil de-tastes technique.
(2) background technology
Along with the development of petrochemical industry in modern age and the progress of macromolecule synthesising technology, plastics are widely used in packaging, finishing material and the daily necessities of various product, bring a lot of facilities to people's daily life, but also produce a large amount of waste or used plastics, formed so-called " white pollution " simultaneously." white pollution " caused great harm to ecotope and people healthy, has been the focus that world is extremely paid close attention to.According to statistics, the annual waste plastic garbage producing of China approximately has 1000～2,000 ten thousand tons.The simplest treatment process of plastic waste is landfill and burning, but these two kinds for the treatment of processs can cause the waste of resource and bring corresponding problem of environmental pollution.Plastics are family macromolecule long chain hydrocarbon, are translated into low carbon compound by the method for cracking, and realizing waste or used plastics oiling is the comparatively desirable recovery method of generally acknowledging.Both eliminated " white pollution ", made again waste or used plastics resource recovery, realized Social benefit and economic benefit " doulbe-sides' victory ".
Waste or used plastics is through cracking gained liquid object, and color is black, and peculiar smell is dense, and composition, except containing alkane, aromatic hydrocarbons, alpha-olefin, also has aldehyde, ketone, carboxylic acid, sulphur compound etc., and purposes and use value are little.In recent years, about the report of plastic oil processing aspect a lot: patent CN10084546A, with day hot plant deodorant such as arene cloves, peppermint, fennel, absinth, replace surperficial peculiar smell, long when some when the shelf lives, peculiar smell reverts again; Patent CN10997666A, is that host is decoloured and de-tasted with sulfuric acid and soda ash, oil product poor transparency, and peculiar smell remains; CN101602957A, with Tai-Ace S 150, the root of Dahurain angelica, Radix Glycyrrhizae, active white sand is processed plastic oil, and the decolouring of plastic oil is de-tasted and had certain effect, but very little to sulfide, carboxylic acid effect; Patent CN2011103438.3, adopts catalytic hydrogenation process, and the decolouring desulfurization decarboxylation that has solved plastic oil de-tastes, but complex process, facility investment is large.
(3) summary of the invention:
The object of the invention is the deficiency of the method aspect that overcomes above-mentioned existing processing plastic oil, and a kind of simple to operate, technique of investing color, peculiar smell, sulfide and the carboxylic acid of little, to improve product stability and effective elimination plastic oil is provided.
The technical solution used in the present invention is as follows:
A. hypochlorite oxidation: 100 parts of plastic oils (quality), add clorox or the Losantin of 1～3 part (quality), at room temperature, stirring reaction 1～2h.
B. compound extraction solvent extracting: adopt N, dinethylformamide and the compound extraction solvent of organic bases, organic bases can be: sodium alkoxide, quaternary ammonium hydroxide, thanomin, quadrol and monoethanolamine; N, N-dimethylformamide and the two mass ratio of organic bases are: 90～95: 5～10; The consumption of compound extraction solvent is 30～70% of oil quality; Extractum is through distilling to such an extent that extraction solvent can be recycled.
C. wood powder absorption flavouring: will raffinate oil and be warmed up to 50～60 DEG C, and add 1～1.5% wood powder of oil quality, whip attachment 30min; Wood powder can be multiple trees powder, preferably joss powder, elm powder, sandalwood powder, and wood powder particle diameter is advisable with 25～30 orders.
D. filter: use plate-and-frame filter press press filtration, filtrate is faint yellow, limpid transparent, taste fragrance; Filter residue, through washing, can be recycled after oven dry.
E. add one package stabilizer: one package stabilizer is Quicifal and diethyl hydroxylamine, the two mass ratio is 1: 9, and consumption is oil quality 0.1 ‰.
Adopt technical solution of the present invention, between each step, act synergistically, splendid to plastic oil treatment effect.Products obtained therefrom limpid transparent, have an aromatic odour, look number≤3, sulfide content≤0.03%, be less than≤5mg.KOH/100mL of acidity, the indices of depositing two months products under room temperature changes very little.Widen its purposes, improved its use value.
The present invention's advantage is compared to the prior art: 1. adopt hypochlorite, can at room temperature, by oxidations such as the pigment in plastic oil, aldehyde, ketone, sulfide, play the effect that decolouring de-tastes; 2. N, dinethylformamide are insoluble to alkane, but the aldehyde in oil product, ketone, carboxylic acid, sulfide, colloid are had to extremely strong solubility property, in N, dinethylformamide, add a certain amount of organic bases, not only can improve the extracting performance to non-hydrocarbons in oil product, and point interval velocity is fast; 3. joss powder, sandalwood powder, elm powder, not only have extremely strong adsorption to the peculiar smell in oil product, and discharge in addition the function of aromatic odour; 4. the one package stabilizer of Quicifal and diethyl hydroxylamine composition, the little stability that can greatly improve plastic oil of consumption; 5. compound extraction solvent and wood powder can be recycled after simple process; 6. without shortening equipment, invest little.
(4) embodiment:
With specific embodiment, technical scheme of the present invention is described below, but protection of the present invention is not limited to this.
Embodiment 1:
Get 100Kg plastic oil, add 1Kg clorox, stir 1h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 30KgN, dinethylformamide and monoethanolamine (mass ratio of the two is 95: 5), stir 30min, static, sedimentation; To raffinate oil and be warmed up to 50 DEG C, add joss powder 1kg, stir 1h, use plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 3; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 5mg.KOH/100mL.Deposit and within two months, again detect that look number is 3.5, sulphur content is 0.035%, acidity is 7mg.KOH/100mL.
Embodiment 2:
Get 100Kg plastic oil, add 2Kg clorox, stirring reaction 2h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 30KgN, dinethylformamide and monoethanolamine (mass ratio of the two is 95: 5), stir 30min, static, sedimentation; The temperature rise to 55 DEG C of raffinating oil, adds 1Kg joss powder, stirs 1h, uses plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2.5; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 5mg.KOH/100mL.Deposit and within two months, again detect that look number is 3, sulphur content is 0.035%, acidity is 7mg.KOH/100mL.
Embodiment 3:
Get 100Kg plastic oil, add 3Kg clorox, stirring reaction 2h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 50KgN, dinethylformamide and monoethanolamine (mass ratio of the two is 90: 10), stir 30min, static, sedimentation; The temperature rise to 55 DEG C of raffinating oil, adds 1Kg joss powder, stirs 1h; Use plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 4mg.KOH/100mL.Deposit and within two months, again detect that look number is 2.5, sulphur content is 0.035%, acidity is 5mg.KOH/100mL.
Embodiment 4:
Get 100Kg plastic oil, add 1Kg Losantin, stir 1h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 30KgN, dinethylformamide and monoethanolamine (mass ratio of the two is 95: 5), stir 30min, static, sedimentation; To raffinate oil and be warmed up to 50 DEG C, add sandalwood powder 1Kg, stir 1h, use plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2.5; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 5mg.KOH/100mL.Deposit and within two months, again detect that look number is 3, sulphur content is 0.035%, acidity is 7mg.KOH/100mL.
Embodiment 5:
Get 100Kg plastic oil, add the Losantin of 1.5Kg, stir 1h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 50KgN, dinethylformamide and quadrol (mass ratio of the two is 93: 7), stir 30min, static, sedimentation; To raffinate oil and be warmed up to 50 DEG C, add sandalwood powder 1Kg, stir 1h, use plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2.5; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 4mg.KOH/100mL.Deposit and within two months, again detect that look number is 3, sulphur content is 0.035%, acidity is 6mg.KOH/100mL.
Embodiment 6:
Get 100Kg plastic oil, add 3Kg clorox, stirring reaction 2h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 50KgN, dinethylformamide and quadrol (mass ratio of the two is 92: 8), stir 30min, static, sedimentation; The temperature rise to 55 DEG C of raffinating oil, adds 1Kg joss powder, stirs 1h, uses plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 4.5mg.KOH/100mL.Deposit and within two months, again detect that look number is 2.5, sulphur content is 0.035%, acidity is 5mg.KOH/100mL.
Embodiment 7:
Get 100Kg plastic oil, add 3Kg clorox, stirring reaction 2h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 70KgN, dinethylformamide and quadrol (mass ratio of the two is 93: 7), stir 30min, static, sedimentation; The temperature rise to 55 DEG C of raffinating oil, adds 1.3kg elm powder, stirs 1h, uses plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2; Detecting sulphur content by GB/T380 is 0.025%; Detecting acidity by GB/T258 is 3mg.KOH/100mL.Deposit and within two months, again detect that look number is 2.5, sulphur content is 0.03%, acidity is 4mg.KOH/100mL.
Embodiment 8:
Get 100Kg plastic oil, add 3Kg Losantin, stirring reaction 2h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 50KgN, dinethylformamide and monoethanolamine (mass ratio of the two is 95: 5), stir 30min, static, sedimentation; The temperature rise to 60 DEG C of raffinating oil, adds 1.5kg elm powder, stirs 1h, uses plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2.5; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 4mg.KOH/100mL.Deposit and within two months, again detect that look number is 3, sulphur content is 0.033%, acidity is 6mg.KOH/100mL.
Embodiment 9:
Get 100Kg plastic oil, add 3Kg Losantin, stirring reaction 2h, static, sedimentation; Divide sub-cloud sediment, add the compound extraction solvent of 60KgN, dinethylformamide and monoethanolamine (mass ratio of the two is 95: 5), stir 30min, static, sedimentation; The temperature rise to 60 DEG C of raffinating oil, adds 1.2Kg sandalwood powder, stirs 1h, uses plate-and-frame filter press press filtration; Filtrate adds 0.01Kg Quicifal and diethyl hydroxylamine one package stabilizer (mass ratio of the two is 1: 9), stirs, and obtains light yellow, limpid transparent, the oily product that has aromatic odour.Detecting look number by GB/T6540 is 2; Detecting sulphur content by GB/T380 is 0.03%; Detecting acidity by GB/T258 is 4mg.KOH/100mL.Deposit and within two months, again detect that look number is 2.5, sulphur content is 0.035%, acidity is 6mg.KOH/100mL.
Claims (2)
1. the decolouring desulfurization decarboxylation of plastic oil de-tastes a method, it is characterized in that, comprises the following steps: the oxidation of a, hypochlorite: under room temperature, add 1～3% clorox or Losantin of oil quality to carry out oxidizing reaction 1～2 hour to it; B, compound extraction solvent extracting: compound extraction solvent is N, dinethylformamide and organic bases, consumption is oil quality 30～70%, and the two mass ratio of N, dinethylformamide and organic bases is 90～95: 5～10, and organic bases is thanomin or quadrol; C, wood powder absorption flavouring; D, filtration; E, add one package stabilizer: one package stabilizer is Quicifal and diethyl hydroxylamine, and the two mass ratio is 1: 9, consumption is oil quality 0.1 ‰.
2. a kind of decolouring desulfurization decarboxylation of plastic oil de-tastes method according to claim 1, it is characterized in that: will raffinate oil and be warmed up to 50～60 DEG C, and adsorb flavouring with wood powder, consumption is oil quality 1～1.5%, and wood powder is selected joss powder, sandalwood powder or elm powder.
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| CN103031145A (en) * | 2012-12-10 | 2013-04-10 | 占小玲 | Oil decolorizing, deodorizing, refining and stabilizing method |
| CN108018066B (en) * | 2016-10-28 | 2021-04-06 | 中国石油化工股份有限公司 | Deep desulfurization method for sulfur-containing raw material |
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| CN101255349A (en) * | 2007-02-26 | 2008-09-03 | 徐伦武 | Highly effective production technique of waste oil regenerative fuel oil |
| CN101445763A (en) * | 2007-11-26 | 2009-06-03 | 赵登利 | Method for producing diesel oil from waste engine oil |
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| CN101255349A (en) * | 2007-02-26 | 2008-09-03 | 徐伦武 | Highly effective production technique of waste oil regenerative fuel oil |
| CN101445763A (en) * | 2007-11-26 | 2009-06-03 | 赵登利 | Method for producing diesel oil from waste engine oil |
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