CN106517392A - Recycling technology of molasses alcohol wastewater - Google Patents
Recycling technology of molasses alcohol wastewater Download PDFInfo
- Publication number
- CN106517392A CN106517392A CN201611077061.3A CN201611077061A CN106517392A CN 106517392 A CN106517392 A CN 106517392A CN 201611077061 A CN201611077061 A CN 201611077061A CN 106517392 A CN106517392 A CN 106517392A
- Authority
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- China
- Prior art keywords
- molasses
- waste liquid
- molasses alcohol
- spirit
- drying
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- 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
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
-
- 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
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/325—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention discloses a recycling technology of molasses alcohol wastewater. The recycling technology comprises the following steps: (I) concentration: concentrating the alcohol wastewater to 60-65-degree BX from 8-12-degree BX by the waste heat of an alcohol plant distillation column to obtain molasses alcohol concentrate waste liquid; (II) heating: heating the furnace body to over 600 DEG C by pulverized coal; (III) burning: when the furnace temperature in the furnace body exceeds 600 DEG C, spraying the molasses alcohol concentrate waste liquid into the hearth of the furnace body, after the molasses alcohol concentrate waste liquid is normally burnt, stopping adding the pulverized coal into the furnace body while only performing spray burning of the molasses alcohol concentrate waste liquid, and then, always controlling the furnace temperature at 700-1,000 DEG C; and (IV) drying: drying the wet filtered mud with water content of 70% by the high-temperature flue gas generated by the spray burning of the molasses alcohol concentrate waste liquid, wherein the wet filtered mud is a byproduct of cane sugar production. The heat energy utilization rate of the molasses alcohol concentrate waste liquid is higher; and moreover, the tail gas only contains water vapor and does not cause pollution, and the ash can be recycled relatively well to avoid secondary pollution.
Description
Technical field
The present invention relates to a kind of recycling technique of molasses alcohol waste water.
Background technology
Molasses alcohol waste water, refers to cane molasses as raw material, it is fermented after mash distill in alcohol topping still,
The waste liquid that Jing topping stills bottom is discharged after steaming alcohol.The mode of Alcohol Production is different, and the waste liquid amount and concentration of generation is also different,
Using normal pressure column distillation, produce 1 ton of alcohol and produce 13～15 tons of (average to press 14 tons) waste liquids, concentration is 8～12 ° of BX (brix),
One ton of alcohol being produced using differential distillation (or atmospheric tower adds reboiler) and produces 11～13 tons of waste liquids, concentration is 15.50～
16.80 ° of BX, will reduce 21% than the wastewater flow rate with air-distillation.
Molasses alcohol waste water, with high chroma, highly acid (pH3.5～4.5) feature, being that a kind of corrosivity is extremely strong gives up
Water, with very strong permeability.Storage pond overlong time, can permeate the ground water, polluted underground water source, cause the underground water can not
Utilize, especially in the area for lacking fresh water, serious consequence can be caused.Shown according to relevant information, a day squeezes 2500 tons
Sugar refinery of sugarcane, the daily alcohol effluent amount of pollutant discharged, equivalent to the daily sanitary sewage in the city of 350,000 populations
Amount of pollutant.How alcohol waste water processes the thing of always manufacturer's most headache, and some enterprises have to set up huge
Oxidation pond, waste liquid is firmly pinned, and prevents from overflowing, and maintenance cost is high.
At present, the usual way of process alcohol waste water is：
1st, cane planting is directly used in after diluting.
Can be used as Term Fertilization in cane planting.Alcohol waste water is as sugarcane Fertilizer application, first oxidation-treated, adjusts
Acid-base value is to PH=6 or so.Ditch during use deep 30 centimeters or so, per mu of usual sugarcane once sprays 5 tons of waste liquids, about quite
Apply 50 kilograms of urea, 100 kilograms of phosphate fertilizer, 80 kilograms of potash fertilizer；Sugarcane field suitably sprays alcohol waste water, can play water drenching drought resisting
Effect.This kind of processing method also has a kind of hidden danger, if that is, consumption and concentration are improper, not only sugarcane plant is dead, and waste liquid also flows
Enter rivers, aggravate the pollution to environment.
2nd, as other raw materials
One-level fodder yeast is produced using alcohol effluent, for preparing production feed；Give birth to by raw material of molasses alcohol waste liquid
Produce caramel colorant；Some active genes of alcohol effluent can increase strength of cement, the concentrate of addition 4 5% in mixed mud,
Cement consumption 10% or so can be reduced.
3rd, condensed combustion generates electricity
Condensed combustion process is exactly that alcohol effluent is concentrated to 60～70 ° of BX, and concentrate is sent to boiler atomizing combustion then
Burn, first for generating electricity, back pressure steam is used for distilled spirit and concentrating spent liquor to the steam produced after burning again.Ashes after burning due to
Height containing potassium can be used as potash fertilizer.There is certain economic benefit.Which save outsourcing coal and outer power purchase.So as to bring economic effect
Benefit.
The content of the invention
For above-mentioned technical problem, the present invention develops a kind of utilization rate height, low cost, free of contamination molasses alcohol waste water
Recycling technique.
The present invention provide technical scheme be：
A kind of recycling technique of molasses alcohol waste water, including：
Step one, concentration：Alcohol waste water is concentrated to into 60～65 ° of BX from 8～12 ° of BX using Alcohol Plant's destilling tower waste heat,
Obtain molasses-spirit concentrating spent liquor；
Step 2, intensification：Body of heater is heated to into more than 600 DEG C with coal dust；
Step 3, burning：Treat that the furnace temperature in body of heater reaches more than 600 DEG C, molasses-spirit is sprayed into the burner hearth of body of heater dense
Contracting waste liquid, after molasses-spirit concentrating spent liquor normal combustion stops coal dust being put into into body of heater, a torch firing molasses-spirit thickened waste
Liquid, controls furnace temperature afterwards all the time and is maintained at 700 DEG C～1000 DEG C；
Step 4, drying：It is 70% with the high-temperature flue gas drying water content produced by molasses-spirit concentrating spent liquor torch firing
Wet filter mud, the wet filter mud are the accessory substance produced by cane sugar manufacture.
Preferably, in the recycling technique of described molasses alcohol waste liquid, in the step 3, control stove afterwards all the time
Temperature is maintained at 800 DEG C.
Preferably, in the recycling technique of described molasses alcohol waste liquid, in the step 4, using high pressure positive blower and
High-temperature flue gas produced by molasses-spirit concentrating spent liquor torch firing are collected and are introduced in Drying by air-introduced machine, while to Drying
Wet filter mud is continuously added to inside, wet filter mud is dried into high-temperature flue gas the dry filter mud that water content is 40～45%.
Preferably, in the recycling technique of described molasses alcohol waste liquid, high-temperature flue gas are reached through wet filter mud and are dried
The afterbody of cylinder, temperature are down to 40～60 DEG C, and Jing two stage cyclones separate dedusting to remaining heat energy and one-level biology tail gas is removed again with dust
The process of dirt deodoriser, the aqueous vapor for becoming up to standard are arranged to air.
Preferably, in the recycling technique of described molasses alcohol waste liquid, in the step 4, molasses-spirit thickened waste
Lime-ash produced by liquid torch firing is recycled as organic fertilizer raw material.
Preferably, in the recycling technique of described molasses alcohol waste liquid, in the step 4, using the dry filter mud
Production fertilizer.
The recycling technique of molasses alcohol waste liquid of the present invention has the advantages that：
1st, the present invention difference maximum with condensed combustion generating is not need steam pipework, without pressure piping, safe and reliable
Safeguard few, the wet filter mud of heat energy directly contact is absorbed and used, and the heat utilization rate of molasses-spirit concentrating spent liquor is more efficient.
2nd, the present invention uses molasses-spirit concentrating spent liquor to replace coal as the energy, and energy-saving and emission-reduction, tail gas only have steam without dirt
Dye, lime-ash can preferably be reclaimed and do not cause secondary pollution.The caloric value of general mark coal is 5000-6000 kilocalories/kg, big by 5000
Card/kg is counted, and molasses-spirit concentrating spent liquor caloric value is 1700-1800 kilocalories/kg, based on 1700 kilocalories/kg, is calorific value of coal
Coal of ton concentrate of 34%, i.e., 1 equal to 0.34 ton.Molasses alcohol waste water is turned waste into wealth by the present invention, make it is a kind of reliable,
The safe and clean energy.
3rd, molasses-spirit concentrating spent liquor day burning disposal amount up to more than 100 tons (equivalent to 400 tons of waste water is not concentrated), day
Wet filter mud (70% moisture) is dried up to more than 500 tons, lime-ash recycles day up to 12 tons or so.
4th, the lime-ash of molasses-spirit concentrating spent liquor residues of combustion, rich in nutriments such as calcium, potassium, and no hygroscopicity, water
It is point low, mix by a certain percentage to knock down in fermentation tank after recovery with the raw material of fertilizer and ferments, can as a kind of water transfer point with
The raw material of nutrient is used.
Description of the drawings
Fig. 1 is the flow chart of one embodiment of the recycling technique of molasses alcohol waste liquid of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figure 1, the present invention provides a kind of recycling technique of molasses alcohol waste water, including：
Step one, concentration：Alcohol waste water is concentrated to into 60～65 ° of BX from 8～12 ° of BX using Alcohol Plant's destilling tower waste heat,
Obtain molasses-spirit concentrating spent liquor.
Step 2, intensification：Body of heater (hot-blast stove) is heated to into more than 600 DEG C with coal dust.
Step 3, burning：Treat that the furnace temperature in body of heater reaches more than 600 DEG C, molasses-spirit is sprayed into the burner hearth of body of heater dense
Contracting waste liquid, after molasses-spirit concentrating spent liquor normal combustion stops coal dust being put into into body of heater, a torch firing molasses-spirit thickened waste
Liquid, controls furnace temperature afterwards all the time and is maintained at 700 DEG C～1000 DEG C.Specifically, can be sprayed into burner hearth by high pressure sprays fog equipment
Penetrate molasses-spirit concentrating spent liquor.
Step 4, drying：It is 70% with the high-temperature flue gas drying water content produced by molasses-spirit concentrating spent liquor torch firing
Wet filter mud, the wet filter mud are the accessory substance produced by cane sugar manufacture.The biological energy source of organic matter, Jing in molasses-spirit concentrating spent liquor
After crossing burning, it is transformed into heat energy, by air blast and the double action of air inducing, makes high-temperature flue gas act on organic fertilizer raw material " wet filter
Mud ", makees drying pretreatment to wet filter mud.
Above-mentioned wet filter mud is the accessory products that sugar clarification process is produced, and it is one of large byproduct of cane sugar manufacture,
Containing sugarcane fibre, sucrose, the condensation colloid with cerosin, protein, calcium phosphate etc., rich in the battalion required for production estimation
Foster element, is a kind of organic resource of high-quality.
In a preferred embodiment, in the recycling technique of described molasses alcohol waste liquid, in the step 3, it
All the time furnace temperature is controlled afterwards is maintained at 800 DEG C.
In a preferred embodiment, in the recycling technique of described molasses alcohol waste liquid, in the step 4, profit
The high-temperature flue gas produced by molasses-spirit concentrating spent liquor torch firing are collected and are introduced in Drying with high pressure positive blower and air-introduced machine,
Wet filter mud is continuously added to into Drying simultaneously, wet filter mud is dried into high-temperature flue gas the dry filter mud that water content is 40～45%.
Specifically, the high-temperature flue gas Jing high pressure positive blowers and air-introduced machine double action that alcohol concentrating spent liquor torch firing is produced is forced to receive
Collect into four rotating drying rotating cylinders (long 26 meters, 1.8 meters of diameter), while wet filter mud is continuously added to into Drying (about
70% moisture), during heat energy and flue dust are oven-dried cylinder, rotating wet filter mud absorbs mixing, and wet filter mud absorbs mixing and falls major part
After heat and dust, moisture is reduced to 40-45% by 70%.Dry filter mud is then sent through compost workshop (generally to be had for producing fertilizer
Machine fertilizer optimal initial ingredient water is divided into 50～60% moisture), the compost fermentation cycle can be shortened, supplementary product consumption (water transfer point) is reduced.
In a preferred embodiment, in the recycling technique of described molasses alcohol waste liquid, high-temperature flue gas are through wet
Filter mud reaches the afterbody of Drying, and temperature is down to 40～60 DEG C, and Jing two stage cyclones separate dedusting and one to remaining heat energy again with dust
The biological tails dedusting deodoriser of level is processed, and the aqueous vapor for becoming up to standard is arranged to air.
In a preferred embodiment, in the recycling technique of described molasses alcohol waste liquid, in the step 4, sugar
Lime-ash (as potassium ash) produced by mulse essence concentrating spent liquor torch firing is recycled as organic fertilizer raw material.Burn the lime-ash (potassium for producing
Ash) in potassium content it is high, be all recycled as organic fertilizer raw material.
In a preferred embodiment, in the recycling technique of described molasses alcohol waste liquid, in the step 4, profit
Fertilizer is produced with the dry filter mud.
Embodiment one
A kind of recycling technique of molasses alcohol waste water, including：
Step one, concentration：Alcohol waste water is concentrated to into 60～65 ° of BX from 8～12 ° of BX using Alcohol Plant's destilling tower waste heat,
Obtain molasses-spirit concentrating spent liquor；
Step 2, intensification：Body of heater (hot-blast stove) is heated to into more than 600 DEG C with coal dust；
Step 3, burning：Treat that the furnace temperature in body of heater reaches more than 600 DEG C, molasses-spirit is sprayed into the burner hearth of body of heater dense
Contracting waste liquid, after molasses-spirit concentrating spent liquor normal combustion stops coal dust being put into into body of heater, a torch firing molasses-spirit thickened waste
Liquid, controls furnace temperature afterwards all the time and is maintained at 800 DEG C；
Step 4, drying：Using high pressure positive blower and air-introduced machine by the high temperature cigarette produced by molasses-spirit concentrating spent liquor torch firing
Gas is collected and is introduced in Drying, while wet filter mud is continuously added to into Drying, wet filter mud is dried into and is contained by high-temperature flue gas
The water yield is 40～45% dry filter mud；High-temperature flue gas reach the afterbody of Drying through wet filter mud, and temperature is down to 40～60 DEG C, residual
Jing two stage cyclones separate dedusting to waste heat energy and one-level biology tails dedusting deodoriser is processed again with dust, become aqueous vapor row up to standard
To air；Lime-ash produced by molasses-spirit concentrating spent liquor torch firing is recycled as organic fertilizer raw material；Produced using the dry filter mud
Fertilizer.
The recycling technique of molasses alcohol waste liquid of the present invention has advantages below：
1st, the present invention difference maximum with condensed combustion generating is not need steam pipework, without pressure piping, safe and reliable
Safeguard few, the wet filter mud of heat energy directly contact is absorbed and used, and the heat utilization rate of molasses-spirit concentrating spent liquor is more efficient.
2nd, the present invention uses molasses-spirit concentrating spent liquor to replace coal as the energy, and energy-saving and emission-reduction, tail gas only have steam without dirt
Dye, lime-ash can preferably be reclaimed and do not cause secondary pollution.The caloric value of general mark coal is 5000-6000 kilocalories/kg, big by 5000
Card/kg is counted, and molasses-spirit concentrating spent liquor caloric value is 1700-1800 kilocalories/kg, based on 1700 kilocalories/kg, is calorific value of coal
Coal of ton concentrate of 34%, i.e., 1 equal to 0.34 ton.Molasses alcohol waste water is turned waste into wealth by the present invention, make it is a kind of reliable,
The safe and clean energy.
3rd, molasses-spirit concentrating spent liquor day burning disposal amount up to more than 100 tons (equivalent to 400 tons of waste water is not concentrated), day
Wet filter mud (70% moisture) is dried up to more than 500 tons, lime-ash recycles day up to 12 tons or so.
4th, the lime-ash of molasses-spirit concentrating spent liquor residues of combustion, rich in nutriments such as calcium, potassium, and no hygroscopicity, water
It is point low, mix by a certain percentage to knock down in fermentation tank after recovery with the raw material of fertilizer and ferments, can as a kind of water transfer point with
The raw material of nutrient is used.
Although embodiment of the present invention is disclosed as above, which is not restricted to listed by specification and embodiment
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (6)
1. the recycling technique of a kind of molasses alcohol waste water, it is characterised in that include：
Step one, concentration：Alcohol waste water is concentrated to into 60～65 ° of BX from 8～12 ° of BX using Alcohol Plant's destilling tower waste heat, obtains sugared
Mulse essence concentrating spent liquor；
Step 2, intensification：Body of heater is heated to into more than 600 DEG C with coal dust；
Step 3, burning：Treat that the furnace temperature in body of heater reaches more than 600 DEG C, molasses-spirit thickened waste is sprayed into the burner hearth of body of heater
Liquid, after molasses-spirit concentrating spent liquor normal combustion stops coal dust being put into into body of heater, a torch firing molasses-spirit concentrating spent liquor, it
All the time furnace temperature is controlled afterwards is maintained at 700 DEG C～1000 DEG C；
Step 4, drying：With the wet filter that the high-temperature flue gas drying water content produced by molasses-spirit concentrating spent liquor torch firing is 70%
Mud, the wet filter mud are the accessory substance produced by cane sugar manufacture.
2. the recycling technique of molasses alcohol waste liquid as claimed in claim 1, it is characterised in that in the step 3, afterwards
All the time control furnace temperature and be maintained at 800 DEG C.
3. the recycling technique of molasses alcohol waste liquid as claimed in claim 1 or 2, it is characterised in that in the step 4, profit
The high-temperature flue gas produced by molasses-spirit concentrating spent liquor torch firing are collected and are introduced in Drying with high pressure positive blower and air-introduced machine,
Wet filter mud is continuously added to into Drying simultaneously, wet filter mud is dried into high-temperature flue gas the dry filter mud that water content is 40～45%.
4. the recycling technique of molasses alcohol waste liquid as claimed in claim 3, it is characterised in that high-temperature flue gas are through wet filter mud
The afterbody of Drying is reached, temperature is down to 40～60 DEG C, Jing two stage cyclones separate dedusting and one-level life to remaining heat energy again with dust
The process of thing tails dedusting deodoriser, the aqueous vapor for becoming up to standard are arranged to air.
5. the recycling technique of molasses alcohol waste liquid as claimed in claim 3, it is characterised in that in the step 4, molasses
Lime-ash produced by alcohol concentrating spent liquor torch firing is recycled as organic fertilizer raw material.
6. the recycling technique of molasses alcohol waste liquid as claimed in claim 3, it is characterised in that in the step 4, utilizes
The dry filter mud produces fertilizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611077061.3A CN106517392B (en) | 2016-11-30 | 2016-11-30 | The recycling technique of molasses alcohol waste water |
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| CN201611077061.3A CN106517392B (en) | 2016-11-30 | 2016-11-30 | The recycling technique of molasses alcohol waste water |
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| CN106517392B CN106517392B (en) | 2019-07-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602565A (en) * | 2009-07-15 | 2009-12-16 | 史海峰 | Process for treating dehydrated sludge in sewage treatment plant |
| CN102537982A (en) * | 2011-12-30 | 2012-07-04 | 广西武鸣县皎龙酒精能源有限公司 | Method for treating molasses alcohol waste water |
| CN105627331A (en) * | 2016-01-14 | 2016-06-01 | 霍奇志 | Muddy substance drying and incineration method and system |
-
2016
- 2016-11-30 CN CN201611077061.3A patent/CN106517392B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602565A (en) * | 2009-07-15 | 2009-12-16 | 史海峰 | Process for treating dehydrated sludge in sewage treatment plant |
| CN102537982A (en) * | 2011-12-30 | 2012-07-04 | 广西武鸣县皎龙酒精能源有限公司 | Method for treating molasses alcohol waste water |
| CN105627331A (en) * | 2016-01-14 | 2016-06-01 | 霍奇志 | Muddy substance drying and incineration method and system |
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| CN106517392B (en) | 2019-07-23 |
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Address after: 532703 200m west of 005 Township Road, natong Town, Long'an County, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Jinsui Ecological Technology Group Co.,Ltd. Address before: 532703 1752 km of Nanbai class II Highway, natong Town, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI JINSUI ECOLOGY TECHNOLOGY Co.,Ltd. |