CN105439231B - Method based on burning processing coal chemical industry saline sewage in stove - Google Patents
Method based on burning processing coal chemical industry saline sewage in stove Download PDFInfo
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- CN105439231B CN105439231B CN201510971171.3A CN201510971171A CN105439231B CN 105439231 B CN105439231 B CN 105439231B CN 201510971171 A CN201510971171 A CN 201510971171A CN 105439231 B CN105439231 B CN 105439231B
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- coal
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- sewage
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- 239000003245 coal Substances 0.000 title claims abstract description 65
- 239000010865 sewage Substances 0.000 title claims abstract description 59
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 49
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 49
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 title claims abstract description 12
- 239000013078 crystal Substances 0.000 claims abstract description 31
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 21
- -1 alkali metal salt Chemical class 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 159000000000 sodium salts Chemical class 0.000 claims description 22
- 239000011734 sodium Substances 0.000 claims description 14
- 239000000460 chlorine Substances 0.000 claims description 10
- 239000002956 ash Substances 0.000 claims description 9
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000010883 coal ash Substances 0.000 claims description 7
- 238000011109 contamination Methods 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 3
- 238000000205 computational method Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002817 coal dust Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 229910052728 basic metal Inorganic materials 0.000 abstract 1
- 150000003818 basic metals Chemical class 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 0.000 description 1
- 238000013517 stratification Methods 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- 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
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
A kind of method based on burning processing coal chemical industry saline sewage in stove, belongs to technical field of sewage.This method is to handle saline sewage by crystallizer first; form crystal; crystal is added in boiler and carries out mixing burning; and Slagging, high temperature chloride corrosion are considered; the mass fraction that former saline sewage is accounted for by alkali metal salt in crystal calculates maximum throughput in various concentrations saline sewage; each type organic in saline sewage crystal and a large amount of inorganic salts are effectively disposed in high-temp combustion environment, so as to solve the scale process problem of saline sewage.The present invention ensure boiler safety and economic operation and boiler thermal output decline it is acceptable in the case of, coal chemical industry sewage processing cost is greatly reduced, suitable for the processing of the coal chemical industry sewage of high basic metal content.
Description
Technical field
The present invention relates to a kind of method based on burning processing coal chemical industry saline sewage in stove, coal chemical industry sewage is evaporated dense
It is condensed to add in boiler after crystal and carries out mixing burnings, and consider Slagging, high temperature chloride corrosion, calculates the dirt of coal chemical industry saliferous
Water maximum throughput, to ensure the safety and economic operation of boiler, belong to technical field of sewage.
Background technology
Coal chemical industry needs to consume substantial amounts of water, contains all kinds of organic matters for being difficult to degrade up in typical coal chemical industry sewage
130 kinds, its main component includes COD (2000~4000mg/L), ammonia nitrogen (200~500mg/L), and total phenol mass concentration is 300
~1000mg/L, volatile phenol mass concentration are 50~300mg/L, while also containing cyanide, rhodanide, Ppolynuclear aromatic
The poisonous and harmful substance such as compound and heterocyclic compound.In addition, also containing all kinds of soluble inorganic salts (knot in coal chemical industry sewage
Brilliant salt), the mineral composition that concrete content is depended in coal, mainly based on the alkali metal salts such as sodium salt, though above-mentioned inorganic salts
Right yield is larger, but purity is not high, and commercial value is very low, and the research about collecting ash and slagging shows, the alkali metal such as sodium
Had a major impact in the presence of to boiler Slagging, and still reduce coal ash sintering temperature, accelerate coal ash sintering rate and increase
Sintering strength and the major reason for causing wall erosion.The scale for being mixed with the saline sewage of various organic matters is treated as influenceing
Coal Chemical Engineering Project construction and the major obstacle of performance driving economy.
The content of the invention
The present invention provides a kind of method based on burning processing coal chemical industry saline sewage in stove.Coal chemical industry sewage is evaporated dense
It is condensed to add in boiler after crystal and carries out mixing burning, what it can effectively dispose in crystal in high-temp combustion environment all kinds of has
Machine thing, coal ash and can solidify the inorganic salts in crystal based on alkali metal salt, so as to solve the scale of saline sewage
Change process problem.
Technical scheme is as follows：
A kind of method based on burning processing coal chemical industry saline sewage in stove, it is characterised in that:
1) saline sewage is handled by crystallizer, forms solid state crystallization thing, crystal addition burner hearth is carried out mixing burning；
2) coal chemical industry saline sewage maximum throughput is calculated：
Q=Msalt/w ①
In formula:
Msalt=min (Csmsalt, 0.003mcoalCcl, 0.0148Aarmcoal) ②
Wherein, Q is coal chemical industry saline sewage maximum throughput；MsaltTo consider contamination, chlorine corrosion and experimental data
What is obtained mixes the limit content for burning alkali metal salt in saline sewage crystal；Cs=(N1/N2+0.5N3/N4),N1For Na2Na in O
The mass fraction of element, N2Represent the Na element mass fractions in sodium salt, N in saline sewage crystal3For K2The matter of K element in O
Measure fraction, N4Represent the mass fraction of K element in sylvite in saline sewage crystal；msaltOnly to consider that Slagging risk obtains
To mix burning with Na2O+0.5K2O is alkali metal salt maximum level in the saline sewage crystal of composition；CCl=1/Ncl, wherein NCl
Represent the ratio of Cl elements and alkali metal salt in saline sewage；mcoalRepresent steam coal consumption；AarRepresent pit ash content；w
Represent alkali metal salt mass fraction in coal chemical industry saline sewage.
When only consider Slagging risk obtain mix burning with Na2O+0.5K2O is alkali in the saline sewage crystal of composition
The maximum level of gold salt is calculated with following formula：
Sodium salt equivalent S=Na in ash2O+0.5K2O (%)；The computational methods of sodium salt limit fixed value in coal：
R=(A-BVdaf)(Na2O+CK2O) ＜ Rlimt ④
Coal ash sodium salt limiting value is Slimit=Rlimit/(A-BVdaf) (%)；mcoalFor steam coal consumption；R is sodium salt in coal
Limit fixed value；RlimitFor the limiting value of sodium salt limit fixed value in coal；
Constant A, B are to weigh coal to influence sodium salt fixed pole limit value the model parameter of size；C is to weigh K2O is to sodium salt
The equivalent constant that fixed pole limit value influences；VdafFor dry ash free basis volatile matter content；Na2O and K2O represents both oxidations respectively
Thing mass fraction shared in coal ash.
In above-mentioned technical proposal, the mode that crystal addition burner hearth is mixed to burning is：To CFBB, by crystal
It is added in Limestone silo, enters burner hearth with lime stone；To pulverized-coal fired boiler, crystal is added in coal pulverizer, entered with coal dust
Enter burner hearth.
The present invention has advantages below and high-lighting effect：1. the present invention is under conditions of safe operation of the boiler is ensured by coal
Chemical engineering sewage evaporative crystallization is carried out mixing burning to add in boiler after crystal, and crystal is effectively disposed in high-temp combustion environment
Each type organic and a large amount of inorganic salts, it is practical so as to solve the scale process problem of saline sewage；2. the present invention
Boiler operation performance is had little influence on, cost essentially consists in evaporation and crystal process, greatly reduces coal chemical industry sewage and is processed into
This, good economy performance；3. this method considers the Slagging risk of Boiler Mixed Burning initiation, chlorine corrosion risk and experimental data obtain
To the final computational methods of boiler processing alkali metal salt amount, there is good theoretical foundation；Coal chemical industry sewage generation is burnt 4. mixing
Crystal is easy to maintenance of equipment in the future and replacing almost without transforming boiler, and operating cost is low.
Brief description of the drawings
Fig. 1 is provided by the invention using high saliferous softened water as the structure diagram of the Natural Circulation injection boiler to feed water.
1-crystallizer；2-feeding device；3-premixing device；4-boiler.
Embodiment
Principle, concrete structure and the preferred forms of the present invention are further illustrated below in conjunction with the accompanying drawings.
Coal chemical industry sewage is concentrated by evaporation and carries out mixing burning to add in boiler after crystal, it is characterised in that by crystallizer
The solid state crystallization thing that 1 processing is formed is added in premixing device 3 by feeding device 2, to CFBB, premixing device
3 can be Limestone silo, and now, crystal carries out mixing burning with lime stone into boiler 4；To pulverized-coal fired boiler, premixing device can be mill
Coal machine, now, crystal carry out mixing burning with coal dust into boiler 4.Premixing device 3 can be arbitrary equipment in boiler feeding device,
It is not limited to the equipment of suggestion.
Coal chemical industry saline sewage maximum throughput is by being calculated.Coal chemical industry saline sewage treating capacity is mainly by alkali metal
Content restricts, and analyzes alkali metal occurrence form in saline sewage, is 3. 4. calculated with Na with formula by formula2O+0.5K2O is composition
Alkali metal salt limit content m in saline sewage crystalsalt, consider contamination, chlorine corrosion and experimental data and obtain boiler and contain
Alkali metal salt limit content M in salt sewage crystalsalt, the mass fraction meter of former saline sewage is accounted for by alkali metal salt in crystal
Calculation obtains the saline sewage maximum throughput of various concentrations, and calculating process is as follows：
Coal chemical industry saline sewage maximum throughput：
Q=Msalt/w ①
In formula:
Msalt=min (Csmsalt, 0.003mcoalCcl, 0.0148Aarmcoal) ②
Wherein, Q is coal chemical industry saline sewage maximum throughput；MsaltTo consider contamination, chlorine corrosion and experimental data
What is obtained mixes the limit content for burning alkali metal salt in saline sewage crystal；Cs=(N1/N2+0.5N3/N4),N1For Na2Na in O
The mass fraction of element, N2Represent the Na element mass fractions in sodium salt, N in saline sewage crystal3For K2The matter of K element in O
Measure fraction, N4Represent the mass fraction of K element in sylvite in saline sewage crystal；msaltOnly to consider that Slagging risk obtains
To mix burning with Na2O+0.5K2O is alkali metal salt maximum level in the saline sewage crystal of composition；CCl=1/Ncl, wherein NCl
Represent the ratio of Cl elements and alkali metal salt in saline sewage；mcoalRepresent steam coal consumption；AarRepresent pit ash content；w
Represent alkali metal salt mass fraction in coal chemical industry saline sewage.
Sodium salt equivalent S=Na in ash2O+0.5K2O (%)；The computational methods of sodium salt limit fixed value in coal：
R=(A-BVdaf)(Na2O+CK2O) ＜ Rlimt ④
Coal ash sodium salt limiting value is Slimit=Rlimit/(A-BVdaf) (%)；mcoalFor steam coal consumption；R is sodium salt in coal
Limit fixed value；RlimitFor the limiting value of sodium salt limit fixed value in coal, when R is higher than RlimitWhen, it is believed that sodium salt exceedes most in coal
Big crystallized ability, the coal ash will have dust stratification contamination problems in boiler operatiopn.
Constant A, B are to weigh coal to influence sodium salt fixed pole limit value the model parameter of size；C is to weigh K2O is to sodium salt
The equivalent constant that fixed pole limit value influences；VdafFor dry ash free basis volatile matter content；Na2O and K2O represents both oxidations respectively
Thing mass fraction shared in coal ash.
The present invention has advantages below and high-lighting effect：1. the present invention is under conditions of safe operation of the boiler is ensured by coal
Chemical engineering sewage is concentrated by evaporation to be carried out mixing burning to add in boiler after crystal, and crystal is effectively disposed in high-temp combustion environment
Each type organic and a large amount of inorganic salts, it is practical so as to solve the scale process problem of saline sewage；2. the present invention
Boiler operation performance is had little influence on, cost essentially consists in evaporation and crystal process, greatly reduces coal chemical industry sewage and is processed into
This, good economy performance；3. this method considers the Slagging risk of Boiler Mixed Burning initiation, chlorine corrosion risk and experimental data obtain
To the final computational methods of boiler processing alkali metal salt amount, there is good theoretical foundation；Coal chemical industry sewage generation is burnt 4. mixing
Crystal is easy to maintenance of equipment in the future and replacing almost without transforming boiler, and operating cost is low.
The invention provides a kind of method based on burning processing coal chemical industry saline sewage in stove, there is practical, warp
Ji property is good, has the characteristics of good theoretical foundation, operating cost is low.Suitable for the rule of the coal chemical industry sewage of high basic metal content
Modelling processing.
Claims (3)
1. the method based on burning processing coal chemical industry saline sewage in stove, it is characterised in that:
1) saline sewage is handled by crystallizer (1), forms solid state crystallization thing, crystal addition burner hearth is carried out mixing burning；
2) coal chemical industry saline sewage maximum throughput is calculated：
Q=Msalt/w ①
In formula:
Msalt=min (Csmsalt,0.003mcoalCcl,0.0148Aarmcoal) ②
Wherein, Q is coal chemical industry saline sewage maximum throughput；MsaltConsider contamination, chlorine corrosion and experimental data to obtain
Mix the limit content for burning alkali metal salt in saline sewage crystal；Cs=(N1/N2+0.5N3/N4),N1For Na2Na elements in O
Mass fraction, N2Represent the Na element mass fractions in sodium salt, N in saline sewage crystal3For K2The quality of K element point in O
Number, N4Represent the mass fraction of K element in sylvite in saline sewage crystal；msaltOnly consider that Slagging risk obtains
Burning is mixed with Na2O+0.5K2O is alkali metal salt maximum level in the saline sewage crystal of composition；CCl=1/Ncl, wherein NClRepresent
The ratio of Cl elements and alkali metal salt in saline sewage；mcoalRepresent steam coal consumption；AarRepresent pit ash content；W is represented
Alkali metal salt mass fraction in coal chemical industry saline sewage.
2. according to the method based on burning processing coal chemical industry saline sewage in stove described in claim 1, it is characterised in that：
Sodium salt equivalent S=Na in ash2O+0.5K2O (%)；The computational methods of sodium salt limit fixed value in coal：
R=(A-BVdaf)(Na2O+CK2O) ＜ Rlimt ④
Coal ash sodium salt limiting value is Slimit=Rlimit/(A-BVdaf) (%)；mcoalFor steam coal consumption；R is the sodium salt limit in coal
Fixed value；RlimitFor the limiting value of sodium salt limit fixed value in coal；
Constant A, B are to weigh coal to influence sodium salt fixed pole limit value the model parameter of size；C is to weigh K2O is to sodium salt fixed pole
The equivalent constant that limit value influences；VdafFor dry ash free basis volatile matter content；Na2O and K2O represents both oxides in coal respectively
Shared mass fraction in ash.
3. according to the method based on burning processing coal chemical industry saline sewage in stove described in claim 1, it is characterised in that：Will knot
Brilliant thing, which adds burner hearth, to be mixed the mode of burning and is：To CFBB, crystal is added in Limestone silo, entered with lime stone
Enter burner hearth；To pulverized-coal fired boiler, crystal is added in coal pulverizer, enters burner hearth with coal dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971171.3A CN105439231B (en) | 2015-12-22 | 2015-12-22 | Method based on burning processing coal chemical industry saline sewage in stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971171.3A CN105439231B (en) | 2015-12-22 | 2015-12-22 | Method based on burning processing coal chemical industry saline sewage in stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105439231A CN105439231A (en) | 2016-03-30 |
| CN105439231B true CN105439231B (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN105948150A (en) * | 2016-04-26 | 2016-09-21 | 天津理工大学 | Process and system for recycling high-chloride high-concentration non-degradable organic wastewater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585620A (en) * | 2009-06-26 | 2009-11-25 | 河北建新化工股份有限公司 | Method for comprehensively treating high salt content organic industrial wastewater |
| CN204185249U (en) * | 2014-11-10 | 2015-03-04 | 上海力脉环保设备有限公司 | A kind for the treatment of unit of abraum salt |
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| US20130019785A1 (en) * | 2011-06-16 | 2013-01-24 | Surendra Saxena | Carbon Sequestration in Municipal Solid Waste to Energy Plants |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585620A (en) * | 2009-06-26 | 2009-11-25 | 河北建新化工股份有限公司 | Method for comprehensively treating high salt content organic industrial wastewater |
| CN204185249U (en) * | 2014-11-10 | 2015-03-04 | 上海力脉环保设备有限公司 | A kind for the treatment of unit of abraum salt |
Non-Patent Citations (1)
| Title |
|---|
| 循环流化床锅炉掺烧气化渣和煤泥的可行性研究;晁岳建等;《化肥工业》;20150630;第42卷(第3期);全文 * |
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