CN104803571B - A kind of heavy metal polluted bed mud method of disposal based on particle diameter distribution - Google Patents
A kind of heavy metal polluted bed mud method of disposal based on particle diameter distribution Download PDFInfo
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- CN104803571B CN104803571B CN201510232860.2A CN201510232860A CN104803571B CN 104803571 B CN104803571 B CN 104803571B CN 201510232860 A CN201510232860 A CN 201510232860A CN 104803571 B CN104803571 B CN 104803571B
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of heavy metal polluted bed mud method of disposal based on particle diameter distribution, belongs to the improvement recovery technique field of polluted bed mud, comprises the following steps: (1) heavy metal polluted bed mud sieves, it is thus achieved that cobble, coarse sand, medium sand, fine sand and mud component；(2) according to the different requirements of heavy metal concentration in urban wastewater treatment firm sludge treatment standard, solid waste and dangerous waste disposal standard heavy metal content, leachate, decision condition is set；(3) the bed mud component to above-mentioned various particle diameters carries out content of beary metal detection analysis, carries out in order judging and disposing.The present invention is according to the regulation principle of " minimizing, innoxious, resource ", in conjunction with the Size Distribution of bed mud and social economy's level of project location and the treatment approach condition possessed, treatment in accordance with local conditions, by main disposal options modularity, stylize, it is easy to use for reference and operation, simple to operate, it is simple to implement, solve the current systematic situation of heavy metal polluted bed mud disposal options.
Description
Technical field
The present invention relates to the final disposal side of the natural water heavy metal polluted bed muds such as a kind of river, lake, mouth of the river beach
Method, belongs to the improvement recovery technique field of polluted bed mud.
Background technology
Bed mud typically refers to clay, silt, the organic and mixture of various mineral, through long-time physics, chemical and biological
It is deposited on water bottom is formed Deng effect and water body transmission.Bed mud can reflect the historical process that water body develops, for river,
The important component part of the natural water ecosystems such as lake, mouth of the river beach.
Sediment pollution can be divided into organic contamination and inorganic pollution, inorganic pollution can be divided into again the Eutrophication materials such as nitrogen, phosphorus pollute and
Heavy metal pollution.Organic substance and the nutrient substance such as nitrogen, phosphorus can be released again along with sluicing, change of water quality and climate change etc.
It is put in water body, causes water body organic contamination and eutrophication, finally affect the realization of function of water body.
Heavy metal in bed mud mostlys come from atmospheric falling dust, precipitation, soil erosion, rainwash, all kinds of sewage, solid rubbish
Rubbish and pesticide etc., have the features such as chronicity, cumulative bad, latency and irreversibility, can be by food chain thousands of Radix Achyranthis Bidentatae ground
Enrichment, is finally detrimental to health.Heavy metal polluted bed mud process dispose have become as current efforts at environmental protection important content it
One.
Pollution level according to polluted water body is different, in conjunction with the implementation condition of contaminated site, at the bottom of the most conventional heavy metal pollution
The process recovery technique of mud is broadly divided into in-situ treatment technology and dystopy treatment technology.
Due to different water body hydrologic condition differences over time and space, add the polluter causing Sediments heavy metal pollution
Emission behaviour is different, causes Heavy Metals in Waters polluted bed mud deposition rule and the greatest differences of particle diameter distribution, not same district
The Size Distribution of the same water body in territory and the different water body type bed muds of the same area also shows great diversity.
With reference to " cobble for building, rubble " (GB14685-2011) and " building sand " (GB14684-2011) standard, press
According to bed mud size, bed mud typically can be divided into cobble, sand and mud, wherein cobble refer to by weathering, potamic transport and
Rock particles that sorting, accumulation are formed, that particle diameter is more than 4.75mm；Sand refers to what nature generated, through man-made recovery and the grain of screening
Footpath is more than 0.075mm, less than the rock particles of 4.75mm, including fluvial sand, lake sand, mountain sand, desalted sea sand, but does not include soft
Matter, the rock particles of air slaking；Sand can be divided into again the coarse sand of 1.18mm～4.75mm, particle diameter 0.5mm～1.18mm according to size
Medium sand and the fine sand of 0.075mm～0.5mm；Mud refers to that particle diameter is less than the rock particles of 0.075mm, including fluvial sand, lake sand, mountain
Sand, desalted sea sand, but do not include soft, the rock particles of air slaking.
Experimental studies have found that, in bed mud, the heavy metal contaminants primary attachment of more than 80% is less than the mud granule of 0.075mm at particle diameter
On, zones of different, different bed mud types, above-mentioned absorption particle size range is slightly different.
Therefore, making the process without distinguishing for the bed mud containing cobble and sand large percentage (mass ratio accounts for more than 20%) will greatly
The final disposal pressure such as workload is managed in increase dehydration volume reduction and stable curing etc., the follow-up landfill of increase that also can be bigger, to this end,
Being necessary to combine recycling and other treatment approach requirements, to cobble (particle diameter ＞ 4.75mm) with containing sand, (particle diameter is
0.075mm～4.75mm) heavy metal polluted bed mud of large percentage (mass ratio accounts for more than 20%) carries out screening process, after reduction
While continuous process workload, the bed mud component reaching relevant disposal standard is made to obtain reasonable resource utilization and final disposal.
Owing to lacking the final disposal standard of heavy metal polluted bed mud at present, it addition, the on-site social and economic condition of disparity items
Differing, the Disposal Conditions and the treatment approach that possess also are not quite similar, and different treatment approach is different to the requirement of sludge handling,
To this end, the treatment approach of heavy metal polluted bed mud selects to be particularly important.
Therefore, the present situation for heavy metal polluted bed mud method of disposal disappearance is needed badly, at existing urban wastewater treatment firm mud
The standards such as standard, solid waste and dangerous waste disposal of putting are to the difference of heavy metal concentration in content of beary metal in bed mud or leachate
Requirement, in conjunction with the Size Distribution of bed mud and social economy's level of project location and the treatment approach condition possessed, opens
Send out heavy metal polluted bed mud method of disposal based on particle diameter distribution.
Summary of the invention
The present invention is directed to the present situation of heavy metal polluted bed mud method of disposal disappearance, according to existing urban wastewater treatment firm sludge treatment mark
The different requirements of heavy metal concentration in standard heavy metal content, the leachates such as standard, solid waste and dangerous waste disposal, in conjunction with
The Size Distribution of bed mud and social economy's level of project location and the treatment approach condition possessed, arrange and reasonably sentence
Fixed condition and judgement order, final provide a kind of simple to operate, it is simple to implements, have stronger specific aim and motility based on grain
The heavy metal polluted bed mud method of disposal of footpath distribution.
The heavy metal polluted bed mud method of disposal based on particle diameter distribution of the present invention, comprises the following steps:
(1) heavy metal polluted bed mud sieves, it is thus achieved that the particle diameter cobble more than 4.75mm, particle diameter is 1.18mm～4.75mm
Coarse sand, particle diameter is the medium sand of 0.5mm～1.18mm, and particle diameter is the fine sand of 0.075mm～0.5mm, and particle diameter is 0.075mm
Following mud component；
(2) according to urban wastewater treatment firm sludge treatment standard, solid waste and dangerous waste disposal standard heavy metal content,
The different requirements of heavy metal concentration in leachate, classify to sludge treatment standard, solid waste and dangerous waste disposal standard,
Concurrently set following decision condition:
Condition 1: certain content of beary metal (mg/kg) is wanted less than GB15618-1995 " standard of soil environment quality " secondary standard
Ask；
Condition 2: certain content of beary metal (mg/kg) is less than Land_use change standard-required, and described Land_use change standard includes
CJ/T309-2009 " the agricultural shale of urban wastewater treatment firm sludge treatment ", CJ248-2007 are " at urban wastewater treatment firm mud
Put afforestation shale " and GB/T24600-2009 " urban wastewater treatment firm sludge treatment betterment of land shale "；
Condition 3: " urban wastewater treatment firm sludge treatment mixes certain content of beary metal (mg/kg) less than CJ/T249-2007
Landfill shale " standard-required；
Condition 4: certain content of beary metal (mg/kg) and according to HJ/T299-2007 " solid waste Leaching leaching side
Method sulfonitric method " leach after the various heavy metal concentration of leachate (mg/L) less than CJ/T314-2009 " urban wastewater treatment
Factory's sludge treatment clinker production shale " standard；
Condition 5: after leaching according to HJ557-2010 " solid waste Leaching leaching method horizontal vibration method " in leachate certain
Heavy metal species concentration (mg/L) is less than GB18599-2001 " general industrial solid waste storage, disposal site Environmental capacity standard "
Requirement；
Condition 6: after leaching according to GB/T15555.12-1995 " solid waste determination of corrosion glass electrode method " in leachate
Certain heavy metal concentration (mg/L) is less than CJ/T290-2008 " urban wastewater treatment firm sludge treatment individually burns with shale "
Standard-required；
Condition 7: certain heavy metal concentration (mg/L) in leachate after leaching according to GB5058-2007 " hazardous waste judging standard "
It is below the requirement in GB5058-2007 " hazardous waste judging standard "；
Condition 8: administration project location possesses dangerous waste incineration or the disposal site of cement kiln synergic processing or condition；
Condition 9: certain heavy metal concentration (mg/L) in leachate after leaching according to GB5058-2007 " hazardous waste judging standard "
Requirement less than GB18598-2001 " hazard waste landfill pollution norms "；
(3) the bed mud component of various particle diameters in step (1) carries out content of beary metal detection analyze, in integrating step (2)
Condition carries out judging and disposing with method in the following order:
If each content of beary metal meets condition 1 requirement, then press GB14685-2011 " cobble for building, rubble " and
GB14684-2011 " building sand " standard is as building materials or soil direct utilization, and the most according to condition 2 judge；
If each content of beary metal meets condition 2 requirement, then by Land_use change (including agricultural, afforestation and the betterment of land)
Mode is disposed, and the most according to condition 3 judge；
If each content of beary metal meets condition 3 requirement, being then disposed by blended landfill mode, the most according to condition 4 sentence
Fixed；
If each content of beary metal meets condition 4 requirement, then produce by clinker and be disposed, otherwise according to HJ557-2010
Bed mud component is leached by " solid waste Leaching leaching method horizontal vibration method ", and in leachate, each heavy metal concentration is pressed
Condition 5 judges；
If each heavy metal concentration meets condition 5 requirement in leachate, be then disposed by Ordinary solid waste, otherwise according to
Bed mud component is leached by GB/T15555.12-1995 " solid waste determination of corrosion glass electrode method ", each in leachate
Heavy metal concentration according to condition 6 judges；
If each heavy metal concentration meets condition 6 requirement in leachate, be then disposed by individually burning, otherwise according to
Bed mud component is leached by GB5058-2007 " hazardous waste judging standard ", and in leachate, each heavy metal concentration according to condition 7 enters
Row judges；
If each heavy metal concentration meets condition 7 requirement in leachate, then bed mud component is carried out stable curing, until it meets
Being disposed according to Ordinary solid waste after condition 5, the most according to condition 8 judge, and all enter by hazardous waste before and after disposal
Line pipe is managed；
If meeting condition 8 requirement, then press GB18484-2001 " dangerous waste incineration Environmental capacity standard " or GB30485-2003
" cement kiln synergic processing solid waste pollution controls standard " is disposed；Otherwise according to GB5058-2007, " hazardous waste reflects
Other standard " bed mud component is leached, in leachate, each heavy metal concentration according to condition 9 judges；
If each heavy metal concentration meets condition 9 requirement in leachate, then carry out landfill stabilization by hazardous waste, otherwise to bed mud
Component carries out stable curing, until it is disposed according to Ordinary solid waste after meeting condition 9.
In the order described above and method, can find out and meet the sediment approach of local requirement.
The present invention according to the regulation principle of " minimizing, innoxious, resource ", fully combine bed mud Size Distribution and
Social economy's level of project location and the treatment approach condition possessed, treatment in accordance with local conditions, by main disposal options modularity,
Stylize, it is simple to use for reference and operate, simple to operate, it is simple to implement, solve current heavy metal polluted bed mud disposal options system
The situation of property, has stronger specific aim and motility.
Accompanying drawing explanation
Fig. 1 be heavy metal Hg in each standard in content of beary metal or leachate the condition of heavy metal concentration require schematic diagram.
Fig. 2 be heavy metal Cd in each standard in content of beary metal or leachate the condition of heavy metal concentration require schematic diagram.
Detailed description of the invention
The heavy metal polluted bed mud method of disposal based on particle diameter distribution of the present invention, according to conventional sorting technique, will be with bed mud
The close relevant disposal standard of town sewage plant mud, solid waste and hazardous waste of matter is divided into Land_use change, landfill, building materials profit
With, burn and other totally five class:
(1) Land_use change class standard:
Mainly include " standard of soil environment quality " (GB15618-1995), " the agricultural shale of urban wastewater treatment firm sludge treatment "
(CJ/T309-2009), " urban wastewater treatment firm sludge treatment afforestation shale " (CJ248-2007) and " cities and towns dirt
Water treatment plant's sludge treatment betterment of land shale " (GB/T24600-2009)；
(2) landfill class standard:
Mainly include " urban wastewater treatment firm sludge treatment blended landfill shale " (CJ/T249-2007), " general industry solid
Waste storage, disposal site Environmental capacity standard " (GB18599-2001) and " hazard waste landfill pollution norms "
(GB18598-2001)；
(3) building materials utilize class standard:
Mainly include " cobble for building, rubble " (GB14685-2011), " building sand " (GB14684-2011) standard,
" urban wastewater treatment firm sludge treatment clinker production shale " (CJ/T314-2009), " cement kiln synergic processing solid
Waste pollution controls standard " (GB30485-2003)；
(4) class standard is burned
Mainly include " urban wastewater treatment firm sludge treatment individually burns with shale " (CJ/T290-2008), " hazardous waste burns
Burn Environmental capacity standard " (GB18484-2001)；
(5) other relevant criterion
Mainly include " hazardous waste judging standard " (GB5058-2007), " solid waste Leaching leaching method sulphuric acid nitre
Acid system " (HJ/T299-2007), " solid waste determination of corrosion glass electrode method " (GB/T15555.12-1995) and " Gu
Body refuse Leaching leaching method horizontal vibration method " (HJ557-2010).
The heavy metal polluted bed mud method of disposal based on particle diameter distribution of the present invention, comprises the following steps:
(1) heavy metal polluted bed mud sieves, it is thus achieved that the particle diameter cobble more than 4.75mm, particle diameter is 1.18mm～4.75mm
Coarse sand, particle diameter is the medium sand of 0.5mm～1.18mm, and particle diameter is the fine sand of 0.075mm～0.5mm, and particle diameter is 0.075mm
Following mud component；
(2) according to standard heavy metal such as existing urban wastewater treatment firm sludge treatment standard, solid waste and dangerous waste disposals
The different requirements of heavy metal concentration in content, leachate, carry out Rational Classification to above-mentioned standard, concurrently set decision condition as follows:
Condition 1: certain content of beary metal (mg/kg) is wanted less than GB15618-1995 " standard of soil environment quality " secondary standard
Ask；
Condition 2: certain content of beary metal (mg/kg) (includes that CJ/T309-2009 is " at town sewage less than Land_use change standard
The reason factory agricultural shale of sludge treatment ", CJ248-2007 " urban wastewater treatment firm sludge treatment afforestation shale " and
GB/T24600-2009 " urban wastewater treatment firm sludge treatment betterment of land shale " standard) requirement；
Condition 3: " urban wastewater treatment firm sludge treatment mixes certain content of beary metal (mg/kg) less than CJ/T249-2007
Landfill shale " standard-required；
Condition 4: certain content of beary metal (mg/kg) and according to HJ/T299-2007 " solid waste Leaching leaching side
Method sulfonitric method " leach after the various heavy metal concentration of leachate (mg/L) less than CJ/T314-2009 " urban wastewater treatment
Factory's sludge treatment clinker production shale " standard；
Condition 5: after leaching according to HJ557-2010 " solid waste Leaching leaching method horizontal vibration method " in leachate certain
Heavy metal species concentration (mg/L) is less than GB18599-2001 " general industrial solid waste storage, disposal site Environmental capacity standard "
Requirement；
Condition 6: after leaching according to GB/T15555.12-1995 " solid waste determination of corrosion glass electrode method " in leachate
Certain heavy metal concentration (mg/L) is less than CJ/T290-2008 " urban wastewater treatment firm sludge treatment individually burns with shale "
Standard-required；
Condition 7: certain heavy metal concentration (mg/L) in leachate after leaching according to GB5058-2007 " hazardous waste judging standard "
It is below the requirement in GB5058-2007 " hazardous waste judging standard "；
Condition 8: administration project location possesses dangerous waste incineration or the disposal site of cement kiln synergic processing or condition；
Condition 9: certain heavy metal concentration (mg/L) in leachate after leaching according to GB5058-2007 " hazardous waste judging standard "
Requirement less than GB18598-2001 " hazard waste landfill pollution norms ".
(3) the bed mud component to above-mentioned various particle diameters carries out content of beary metal detection analysis, sentences with method in the following order
Determine and dispose:
If each content of beary metal meets condition 1 requirement, then by " cobble for building, rubble " (GB14685-2011), " building
With sand " the direct building materials of (GB14684-2011) standard utilize or carry out direct utilization with reference to soil, if can not meet,
The most according to condition 2 judge；
If each content of beary metal meets condition 2 requirement, then (include that agricultural, afforestation and soil change by Land-Use
Good) it is disposed, if can not meet, the most according to condition 3 judge；
If each content of beary metal meets condition 3 requirement, then it is disposed by blended landfill mode, if can not meet, then presses
Condition 4 judges；
If each content of beary metal meets condition 4 requirement, then produce by clinker and be disposed, if can not meet, then press
Bed mud component is leached, in leachate according to HJ557-2010 " solid waste Leaching leaching method horizontal vibration method "
Each heavy metal concentration according to condition 5 judges；
If each heavy metal concentration meets condition 5 requirement in leachate, then it is disposed by Ordinary solid waste, if can not expire
Foot, then leach bed mud component according to GB/T15555.12-1995 " solid waste determination of corrosion glass electrode method ",
In leachate, each heavy metal concentration according to condition 6 judges；
If each heavy metal concentration meets condition 6 requirement in leachate, then it is disposed by individually burning, if can not meet,
Leaching bed mud component according to GB5058-2007 " hazardous waste judging standard ", in leachate, each heavy metal concentration presses bar
Part 7 judges；
If each heavy metal concentration meets condition 7 requirement in leachate, then bed mud component is carried out stable curing, until it meets
Being disposed according to Ordinary solid waste after condition 5, if can not meet, the most according to condition 8 judge, and before and after disposal all
It is managed by hazardous waste；
If meeting condition 8 requirement, then press GB18484-2001 " dangerous waste incineration Environmental capacity standard " or GB30485-2003
" cement kiln synergic processing solid waste pollution controls standard " is disposed；If can not meet, according to GB5058-2007 " danger
Danger refuse judging standard " bed mud component is leached, in leachate, each heavy metal concentration according to condition 9 judges；
If each heavy metal concentration meets condition 9 requirement in leachate, then carry out landfill stabilization by hazardous waste, if can not expire
Foot, carries out stable curing to bed mud component, until it is disposed according to Ordinary solid waste after meeting condition 9.
In the order described above and method, can find out and meet the sediment approach of local requirement.
Fig. 1 give heavy metal Hg in each standard in heavy metal concentration or leachate the condition of heavy metal concentration require schematic diagram.
Fig. 2 give heavy metal Cd in each standard in heavy metal concentration or leachate the condition of heavy metal concentration require schematic diagram.
The invention have the characteristics that:
1., according to the regulation principle of " minimizing, innoxious, resource ", fully combine Size Distribution and the project of bed mud
On-site social economy level and the treatment approach condition possessed, solve current heavy metal polluted bed mud disposal options system
The situation of property.
2. can fully combine local specified conditions to choose, there is stronger specific aim.
3. can arbitrarily surmount on the premise of meeting respective combination implementation condition, independent assortment, there is stronger motility.
Claims (1)
1. a heavy metal polluted bed mud method of disposal based on particle diameter distribution, is characterized in that, comprise the following steps:
(1) heavy metal polluted bed mud sieves, it is thus achieved that the particle diameter cobble more than 4.75mm, particle diameter is 1.18mm～4.75mm
Coarse sand, particle diameter is the medium sand of 0.5mm～1.18mm, and particle diameter is the fine sand of 0.075mm～0.5mm, and particle diameter is 0.075mm
Following mud component；
(2) according to urban wastewater treatment firm sludge treatment standard, solid waste and dangerous waste disposal standard heavy metal content,
The different requirements of heavy metal concentration in leachate, classify to sludge treatment standard, solid waste and dangerous waste disposal standard,
Concurrently set following decision condition:
Condition 1: certain content of beary metal is less than GB15618-1995 " standard of soil environment quality " secondary standard requirement；
Condition 2: certain content of beary metal is less than Land_use change standard-required, and described Land_use change standard includes CJ/T309-2009
" urban wastewater treatment firm sludge treatment afforestation is used for " the agricultural shale of urban wastewater treatment firm sludge treatment ", CJ248-2007
Shale " and GB/T24600-2009 " urban wastewater treatment firm sludge treatment betterment of land shale "；
Condition 3: certain content of beary metal is less than CJ/T249-2007 " urban wastewater treatment firm sludge treatment blended landfill shale "
Standard-required；
Condition 4: certain content of beary metal and according to HJ/T299-2007 " solid waste Leaching leaching method sulphuric acid nitre
Acid system " leach after the various heavy metal concentration of leachate " urban wastewater treatment firm sludge treatment cement is ripe less than CJ/T314-2009
Material production shale " standard；
Condition 5: after leaching according to HJ557-2010 " solid waste Leaching leaching method horizontal vibration method " in leachate certain
Heavy metal species concentration is less than GB18599-2001 " general industrial solid waste storage, disposal site Environmental capacity standard " requirement；
Condition 6: after leaching according to GB/T15555.12-1995 " solid waste determination of corrosion glass electrode method " in leachate
Certain heavy metal concentration is less than CJ/T290-2008 " urban wastewater treatment firm sludge treatment individually burns with shale " standard-required；
Condition 7: after leaching according to GB5058-2007 " hazardous waste judging standard ", in leachate, certain heavy metal concentration is below
Requirement in GB5058-2007 " hazardous waste judging standard "；
Condition 8: administration project location possesses dangerous waste incineration or the disposal site of cement kiln synergic processing or condition；
Condition 9: after leaching according to GB5058-2007 " hazardous waste judging standard ", in leachate, certain heavy metal concentration is less than
The requirement of GB18598-2001 " hazard waste landfill pollution norms "；
(3) the bed mud component of various particle diameters in step (1) carries out content of beary metal detection analyze, in integrating step (2)
Condition carries out judging and disposing with method in the following order:
If each content of beary metal meets condition 1 requirement, then press GB14685-2011 " cobble for building, rubble " and
GB14684-2011 " building sand " standard is as building materials or soil direct utilization, and the most according to condition 2 judge；
If each content of beary metal meets condition 2 requirement, being then disposed by Land-Use, the most according to condition 3 sentence
Fixed；
If each content of beary metal meets condition 3 requirement, being then disposed by blended landfill mode, the most according to condition 4 sentence
Fixed；
If each content of beary metal meets condition 4 requirement, then produce by clinker and be disposed, otherwise according to HJ557-2010
Bed mud component is leached by " solid waste Leaching leaching method horizontal vibration method ", and in leachate, each heavy metal concentration is pressed
Condition 5 judges；
If each heavy metal concentration meets condition 5 requirement in leachate, be then disposed by Ordinary solid waste, otherwise according to
Bed mud component is leached by GB/T15555.12-1995 " solid waste determination of corrosion glass electrode method ", each in leachate
Heavy metal concentration according to condition 6 judges；
If each heavy metal concentration meets condition 6 requirement in leachate, be then disposed by individually burning, otherwise according to
Bed mud component is leached by GB5058-2007 " hazardous waste judging standard ", and in leachate, each heavy metal concentration according to condition 7 enters
Row judges；
If each heavy metal concentration meets condition 7 requirement in leachate, then bed mud component is carried out stable curing, until it meets
Being disposed according to Ordinary solid waste after condition 5, the most according to condition 8 judge, and all enter by hazardous waste before and after disposal
Line pipe is managed；
If meeting condition 8 requirement, then press GB18484-2001 " dangerous waste incineration Environmental capacity standard " or GB30485-2003
" cement kiln synergic processing solid waste pollution controls standard " is disposed；Otherwise according to GB5058-2007, " hazardous waste reflects
Other standard " bed mud component is leached, in leachate, each heavy metal concentration according to condition 9 judges；
If each heavy metal concentration meets condition 9 requirement in leachate, then carry out landfill stabilization by hazardous waste, otherwise to bed mud
Component carries out stable curing, until it is disposed according to Ordinary solid waste after meeting condition 9.
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| CN115594372A (en) * | 2019-12-11 | 2023-01-13 | 湖南省建筑设计院集团股份有限公司（Cn） | Method for judging utilization way of heavy metal polluted bottom mud |
| CN114804551A (en) * | 2022-03-25 | 2022-07-29 | 中瑞(苏州)资源环境科技有限公司 | One-stop method for sludge disposal and resource utilization for ecological restoration |
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| CN1389502A (en) * | 2002-07-24 | 2003-01-08 | 山东美林亚生物科技有限公司 | Heavy metal chelant composite containing chitosan derivative |
| JP4557566B2 (en) * | 2003-02-26 | 2010-10-06 | 株式会社大本組 | Disposal methods for contaminated water, contaminated mud, and other contaminants |
| CN103843488B (en) * | 2013-09-09 | 2015-10-07 | 轻工业环境保护研究所 | Build the method for topsoil in stony desertification earth's surface with heavy metal polluted bed mud |
| CN103496833B (en) * | 2013-10-22 | 2014-11-19 | 山东省环境保护科学研究设计院 | Bottom sediment heavy metal pollution modularized ex situ treatment method |
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2015
- 2015-05-08 CN CN201510232860.2A patent/CN104803571B/en active Active
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| CN104803571A (en) | 2015-07-29 |
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Application publication date: 20150729 Assignee: ENVIRONMENTAL ENGINEERING CO., LTD., SHANDONG ACADEMY OF ENVIRONMENTAL SCIENCE Assignor: Shandong Academy of Environmental Science Contract record no.: 2017370000054 Denomination of invention: Method for treating bottom mud polluted by heavy metals based on particle size distribution Granted publication date: 20160824 License type: Exclusive License Record date: 20170831 |
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Address after: 250013 Lishan Road, Lixia District, Ji'nan, Shandong, 50 Patentee after: Shandong Environmental Protection Scientific Research Design Institute Co., Ltd. Address before: 250013 Lishan Road, Lixia District, Ji'nan, Shandong, 50 Patentee before: Shandong Academy of Environmental Science |