CN108585439A - A method of detaching metallic particles from cupric zinc organic sludge - Google Patents
A method of detaching metallic particles from cupric zinc organic sludge Download PDFInfo
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- CN108585439A CN108585439A CN201810202593.8A CN201810202593A CN108585439A CN 108585439 A CN108585439 A CN 108585439A CN 201810202593 A CN201810202593 A CN 201810202593A CN 108585439 A CN108585439 A CN 108585439A
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- 239000010802 sludge Substances 0.000 title claims abstract description 48
- 239000013528 metallic particle Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000011701 zinc Substances 0.000 title claims abstract description 20
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 20
- 238000000197 pyrolysis Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 31
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 24
- 201000002282 venous insufficiency Diseases 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000012265 solid product Substances 0.000 claims abstract description 14
- 229910052786 argon Inorganic materials 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000004064 recycling Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000005649 metathesis reaction Methods 0.000 claims abstract description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 17
- 239000010951 brass Substances 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 238000004821 distillation Methods 0.000 claims description 13
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 12
- 235000005074 zinc chloride Nutrition 0.000 claims description 6
- 239000011592 zinc chloride Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- -1 is stirred It mixes Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 238000010792 warming Methods 0.000 description 8
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000498 ball milling Methods 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B1/00—Retorts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Abstract
The present invention discloses a kind of method that metallic particles is detached in the zinc organic sludge from cupric, carries out according to the following steps：(1) cupric zinc organic sludge is placed in reactor, with the gas in argon gas metathesis reactor；(2) reactor is heated to 100 DEG C, keeps the temperature 15 20min, temperature is then risen to 160~200 DEG C, keep the temperature 10 15min；(3) after the completion of distilling, reactor is continued into heating and carries out dry distillation charring, controls 400~550 DEG C of pyrolysis temperature, heating rate 10~20 DEG C/min, 40~70min of constant temperature time；It is cooled to room temperature after the completion of destructive distillation in the case where completely cutting off air conditions；(4) it crushes：Destructive distillation solid product after cooling is crushed, is milled, powder is obtained；(5) it sorts：Powder is put into heavy-fluid, is stirred, is then allowed to stand, hypostasis is filtered recycling with filtration method.The present invention can detach metallic particles with sticky organic matter under the conditions of ensureing metallic particles being basically unchanged property of physico-chemical property, and simple for process, cost is relatively low, and metal recovery rate is high.
Description
Technical field
The present invention relates to a kind of organic sludge as resources methods, concretely relate to one kind from cupric zinc organic sludge
The method for detaching metallic particles.
Background technology
During brass-plated steel wire wet type drawing, steel wire is inevitably worn when across mold, under abrasion
This part coating come, which can enter with lubricating fluid in silt basin, to precipitate.Therefore, in addition to containing based on aliphatic acid in sludge
Lubricating fluid organic component outside, also contain a large amount of brass wire particles, as shown in Figure 1.Sludge copper content after natural sedimentation
20% or more, contain 11% or more zinc, far above current copper mine mining grade (<2%) and the mining grade of zinc ore (<1%),
Therefore the value of great recycling metal.However the brass wire grain graininess in sludge is evenly dispersed in viscous in micro/nano level
In thick lubricating fluid sludge, the adhesion strength of organic matter is stronger, and the two is also difficult to disperse in aqueous solution, therefore is consolidated with traditional
Liquid separating method is difficult to detach the two.Answer the requirement of environmental protection, cupric zinc organic sludge that cannot arbitrarily stack simultaneously, at present mostly
Number drawn steel wire manufacturing enterprise does not have the technology of oneself processing sludge, often other unit's environmental protection company is entrusted to be handled, from
And higher transportation cost and high processing cost are needed, and it is direct burning-that environmental protection company, which handles the general method of producer,
Waste residue again extract the mode of metal and carry out Treatment of Copper zinc organic sludge respectively by melting.Sludge is after high temperature incineration, Huang therein
Copper particle has been converted to CuO or Zn3(PO4)2, then melting carries copper or to carry zinc all relatively difficult, and cost is higher.
Invention content
Based on above-mentioned technical problem, the present invention proposes a kind of method that metallic particles is detached in the zinc organic sludge from cupric,
This method can detach metallic particles with sticky organic matter under the conditions of ensureing metallic particles being basically unchanged property of physico-chemical property.
The adopted technical solution is that：
A method of it detaching metallic particles from cupric zinc organic sludge, carries out according to the following steps：
(1) air-discharging：Cupric zinc organic sludge is placed in reactor, with the gas in argon gas metathesis reactor；
(2) it distills：Reactor is heated to 100 DEG C, keeps the temperature 15-20min, temperature is then risen to 160~200 DEG C, is protected
Warm 10-15min；
(3) dry distillation charring：After the completion of distillation, by reactor continue heating carry out dry distillation charring, control pyrolysis temperature 400~
550 DEG C, heating rate 10~20 DEG C/min, 40~70min of constant temperature time；It is cooled to after the completion of destructive distillation in the case where completely cutting off air conditions
Room temperature obtains destructive distillation solid product after cooling；
(4) it crushes：Destructive distillation solid product after cooling is crushed, is milled, powder is obtained；
(5) it sorts：The heavy-fluid that density is 1.3~1.5Kg/L is prepared with zinc chloride, the powder of step (4) is put into heavy-fluid
In, stirring makes powder granule fully disperse in heavy-fluid, then stops stirring, heavy-fluid is stood 5~8min, density is more than
The brass particle of heavy-fluid density, which will sink, becomes hypostasis, and the charing particle that density is less than heavy-fluid density then floats as float, uses
Hypostasis is filtered recycling by filtration method.
Preferably, in dry distillation charring step, while destructive distillation gas-phase product is recycled, is used for combustion heat supplying or power generation.
Preferably, in pulverising step, control mog is that 325 mesh screenings quality are more than 80%.
Preferably, in sorting step, control mixing time is 3~5min.
The method have the benefit that：
The present invention is using the technique of distillation-dry distillation charring-crushing-sorting to organic sticky dirt containing copper zinc metallic particles
Mud is handled, can be under the conditions of ensureing metallic particles being basically unchanged property of physico-chemical property, by metallic particles and sticky organic matter point
From operability is strong, simple for process, and cost is relatively low, and metal recovery rate is high.
The principle on which of the present invention approximately as：
Organic thick sludge containing metallic particles is steamed first in an inert atmosphere, under organic matter boiling temperature
It evaporates, recycles organic matter therein as much as possible and it is dry to carry out heating again to distillation system after rear sludge quality to be distilled no longer reduces
It evaporates, makes the organic component for failing to distill out that complicated chemical reaction occur, including pyrolytic reaction, polycondensation reaction etc. finally make dirt
Organic matter carbonizing molding in mud.It is just no longer sticky after organic matter carbonizing, it is easy and metal under certain mechanicals efforts
Sludge after molding is carried out grinding according to the disseminated grain size size of metal in sludge particle, metal is enable to reach single by grain separation
Body dissociates, and is finally separated metallic particles with the method for heavy-liquid concentration.Gravity treatment principle：Organic matter in sludge is through destructive distillation carbon
After chemical conversion type, density is about 1.2g/cm3, the density of ormolu particle is about 8.6g/cm3, the two density variation is apparent, very
It is easy to be isolated with the heavy-fluid of certain density.
Description of the drawings
Fig. 1 shows the microscope photograph of cupric zinc organic sludge；
Fig. 2 shows the microscope photographs after sludge dry distillation charring.
Specific implementation mode
The present invention proposes that a kind of method that metallic particles is detached in the zinc organic sludge from cupric, this method can ensure metal
Under the conditions of being basically unchanged property of particle physico-chemical property, metallic particles is detached with sticky organic matter.
To Mr. Yu's steel wire drawing enterprise production the organic sludge of particle containing brass for, recycle wherein brass particle the step of
And condition is as follows：
(1) air-discharging：Brass particle organic sludge will be contained to be placed in reactor, in inert gas argon gas metathesis reactor
Gas, metallic particles therein is aoxidized after being heated the purpose is to reduce sludge of logical inert gas.
(2) it distills：Reactor is heated to 100 DEG C, and keeps the temperature the regular hour, fraction at this temperature is mainly that water steams
Then temperature is risen to 160~200 DEG C by vapour, soaking time depending on water content in sludge is how many, which is profit used
The boiling point warm area of lubricating oil, for distillation time depending on content of organics in sludge, principle is that sludge distills Mass lost in 5min
Rate is less than 1%.
(3) dry distillation charring：After the completion of distillation, heats up to reactor and carry out dry distillation charring, and recycle destructive distillation gas-phase product, it can
For combustion heat supplying or power generation.400~550 DEG C of pyrolysis temperature, heating rate 10~20 DEG C/min, 40~70min of constant temperature time.
Pyrolysis temperature is too low or heating rate is too fast, and low molecular weight hydrocarbons release is incomplete；Pyrolysis temperature is excessively high or heating rate mistake
Slowly, sludge compression strength increases after charing, is unfavorable for crushing, while can also increase energy consumption.In isolation air item after the completion of destructive distillation
It is cooled to room temperature under part.
(4) it crushes：It can be analyzed according to the microscope photograph 2 after sludge dry distillation charring, metal in sludge grain graininess is equal
40 μm of ＜, therefore the sludge needs after charing are milled to -325 mesh (- 44 μm), that is, are less than 325 the polished standard screens, can just basically reach
Monomer dissociation.Destructive distillation solid product after cooling be crushed-be milled, mog is that -325 mesh are more than 80%, i.e. 325 mesh
The amount of screenings matter is more than 80%.
(5) it sorts：The method sorting brass particle of heavy-liquid concentration can be used in mixed powder after metallic monomer dissociation.Use chlorine
Change zinc and prepare the heavy-fluid that density is 1.3~1.5, the powder of step (4) is put into heavy-fluid, 3min is stirred, powder granule is made to exist
Fully disperse in heavy-fluid, then stop stirring, heavy-fluid is stood into 5~8min, the brass particle that density is more than heavy-fluid density will
Sinking becomes hypostasis, and the charing particle that density is less than heavy-fluid then floats as float, is then filtered hypostasis with filtration method
Recycling.It is detected through XRD, the hypostasis particle of recycling is still ormolu, and redox reaction does not occur substantially.
The present invention is further explained in the light of specific embodiments：
Embodiment 1
20g sludge sample 1 (aqueous 15.6%, brass 34.1%) is taken, is put into distillation reactor, reactor is discharged with argon gas
In air, reactor is then warming up to 100 DEG C, and constant temperature 20min, the moisture in sludge is discharged.By distillation reactor temperature
Degree rises to 160 DEG C, and constant temperature 10min collects out fraction 3.7ml.Then reactor is warming up to 400 DEG C with the rate of 10 DEG C/min
Destructive distillation, constant temperature 45min, then cooled to room temperature under protection of argon gas are carried out, solid product quality is 9.4g after carbonization.It will do
It evaporates solid product to be put into planetary ball mill, with the rotating speed ball milling 2min of 180r/min, powder, which is then placed in density, is
In the zinc chloride heavy-fluid of 1.3Kg/L, 3min is stirred, 5min is then allowed to stand, float is outwelled, filter out the hypostasis in heavy-fluid, and
Drying is weighed, and hypostasis 6.9g is obtained, and copper zinc mass fraction is 95.3% in hypostasis after testing, and thus can calculate the brass rate of recovery is
96.4%.
Embodiment 2
20g sludge sample 2 (aqueous 12.5%, brass 37.7%) is taken, is put into distillation reactor, reactor is discharged with argon gas
In air, reactor is then warming up to 100 DEG C, and constant temperature 15min, the moisture in sludge is discharged.By distillation reactor temperature
Degree rises to 170 DEG C, and constant temperature 15min collects out fraction 4.1ml.Then reactor is warming up to 450 DEG C with the rate of 12 DEG C/min
Destructive distillation, constant temperature 70min, then cooled to room temperature under protection of argon gas are carried out, solid product quality is 10.3g after carbonization.It will
Destructive distillation solid product is put into planetary ball mill, and with the rotating speed ball milling 2.5min of 180r/min, powder is then placed in density
In the zinc chloride heavy-fluid of 1.4Kg/L, to stir 3min, being then allowed to stand 6min, float is outwelled, filter out the hypostasis in heavy-fluid,
And drying is weighed, and hypostasis 7.7g is obtained.Copper zinc mass fraction is 96.1% in hypostasis after testing, thus can calculate the brass rate of recovery
It is 98.1%.
Embodiment 3
20g sludge sample 2 (aqueous 12.5%, brass 37.7%) is taken, is put into distillation reactor, reactor is discharged with argon gas
In air, reactor is then warming up to 100 DEG C, and constant temperature 15min, the moisture in sludge is discharged.By distillation reactor temperature
Degree rises to 180 DEG C, and constant temperature 15min collects out fraction 4.5ml.Then reactor is warming up to 500 DEG C with the rate of 15 DEG C/min
Destructive distillation, constant temperature 60min, then cooled to room temperature under protection of argon gas are carried out, solid product quality is 9.2g after carbonization.It will do
It evaporates solid product to be put into planetary ball mill, with the rotating speed ball milling 2min of 240r/min, powder, which is then placed in density, is
In the zinc chloride heavy-fluid of 1.5Kg/L, 3min is stirred, 8min is then allowed to stand, float is outwelled, filter out the hypostasis in heavy-fluid, and
Drying is weighed, and hypostasis 7.5g is obtained.Copper zinc mass fraction is 97.8% in hypostasis after testing, and thus can calculate the brass rate of recovery is
97.3%.
Embodiment 4
20g sludge sample 2 (aqueous 12.5%, brass 37.7%) is taken, is put into distillation reactor, reactor is discharged with argon gas
In air, reactor is then warming up to 100 DEG C, and constant temperature 15min, the moisture in sludge is discharged.By distillation reactor temperature
Degree rises to 200 DEG C, and constant temperature 15min collects out fraction 4.6ml.Then reactor is warming up to 550 DEG C with the rate of 12 DEG C/min
Destructive distillation, constant temperature 45min, then cooled to room temperature under protection of argon gas are carried out, solid product quality is 8.7g after carbonization.It will do
It evaporates solid product to be put into planetary ball mill, with the rotating speed ball milling 2min of 180r/min, then it is 1.5 that powder, which is placed in density,
In zinc chloride heavy-fluid, 3min is stirred, 8min is then allowed to stand, float is outwelled, then filters out the hypostasis in heavy-fluid, and dry title
Weight, obtains hypostasis 7.5g.Copper zinc mass fraction is 98.6% in hypostasis after testing, and thus can calculate the brass rate of recovery is
98.1%.
Claims (4)
1. a kind of method for detaching metallic particles in zinc organic sludge from cupric, it is characterised in that carry out according to the following steps：
(1) air-discharging：Cupric zinc organic sludge is placed in reactor, with the gas in argon gas metathesis reactor；
(2) it distills：Reactor is heated to 100 DEG C, keeps the temperature 15-20min, temperature is then risen to 160~200 DEG C, keeps the temperature 10-
15min；
(3) dry distillation charring：After the completion of distillation, reactor is continued into heating and carries out dry distillation charring, controls pyrolysis temperature 400~550
DEG C, heating rate 10~20 DEG C/min, 40~70min of constant temperature time；After the completion of destructive distillation room is cooled in the case where completely cutting off air conditions
Temperature obtains destructive distillation solid product after cooling；
(4) it crushes：Destructive distillation solid product after cooling is crushed, is milled, powder is obtained；
(5) it sorts：The heavy-fluid that density is 1.3~1.5Kg/L is prepared with zinc chloride, the powder of step (4) is put into heavy-fluid, is stirred
It mixes, powder granule is made fully to disperse in heavy-fluid, then stop stirring, heavy-fluid is stood into 5~8min, it is close that density is more than heavy-fluid
The brass particle of degree, which will sink, becomes hypostasis, and the charing particle that density is less than heavy-fluid density then floats as float, uses filtration method
Hypostasis is filtered recycling.
2. the method for detaching metallic particles in a kind of zinc organic sludge from cupric according to claim 1, it is characterised in that：
In dry distillation charring step, while destructive distillation gas-phase product is recycled, is used for combustion heat supplying or power generation.
3. the method for detaching metallic particles in a kind of zinc organic sludge from cupric according to claim 1, it is characterised in that：
In pulverising step, control mog is that 325 mesh screenings quality are more than 80%.
4. the method for detaching metallic particles in a kind of zinc organic sludge from cupric according to claim 1, it is characterised in that：
In sorting step, control mixing time is 3~5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202593.8A CN108585439B (en) | 2018-03-13 | 2018-03-13 | A method of separating metallic particles from cupric zinc organic sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202593.8A CN108585439B (en) | 2018-03-13 | 2018-03-13 | A method of separating metallic particles from cupric zinc organic sludge |
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| Publication Number | Publication Date |
|---|---|
| CN108585439A true CN108585439A (en) | 2018-09-28 |
| CN108585439B CN108585439B (en) | 2019-07-19 |
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| CN201810202593.8A Expired - Fee Related CN108585439B (en) | 2018-03-13 | 2018-03-13 | A method of separating metallic particles from cupric zinc organic sludge |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239298A (en) * | 2000-03-02 | 2001-09-04 | Hisao Otake | Sludge treating method, and method and apparatus for treating organic waste water using the method |
| JP2004008957A (en) * | 2002-06-07 | 2004-01-15 | Ebara Corp | Phosphorus and nitrogen recovery method and apparatus therefor |
| CN104773935A (en) * | 2015-04-27 | 2015-07-15 | 岩固（上海）环保科技有限公司 | Treatment process for dry distillation carbonization of sludge |
| CN106564916A (en) * | 2016-11-14 | 2017-04-19 | 荆门市格林美新材料有限公司 | Preparation method for preparing high-quality chromium slag filler and recovering sodium carbonate by using chromium slag |
-
2018
- 2018-03-13 CN CN201810202593.8A patent/CN108585439B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239298A (en) * | 2000-03-02 | 2001-09-04 | Hisao Otake | Sludge treating method, and method and apparatus for treating organic waste water using the method |
| JP2004008957A (en) * | 2002-06-07 | 2004-01-15 | Ebara Corp | Phosphorus and nitrogen recovery method and apparatus therefor |
| CN104773935A (en) * | 2015-04-27 | 2015-07-15 | 岩固（上海）环保科技有限公司 | Treatment process for dry distillation carbonization of sludge |
| CN106564916A (en) * | 2016-11-14 | 2017-04-19 | 荆门市格林美新材料有限公司 | Preparation method for preparing high-quality chromium slag filler and recovering sodium carbonate by using chromium slag |
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| Publication number | Publication date |
|---|---|
| CN108585439B (en) | 2019-07-19 |
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