CN110981022A - Soil remediation high concentration organic wastewater treatment system - Google Patents

Soil remediation high concentration organic wastewater treatment system Download PDF

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Publication number
CN110981022A
CN110981022A CN201911349022.8A CN201911349022A CN110981022A CN 110981022 A CN110981022 A CN 110981022A CN 201911349022 A CN201911349022 A CN 201911349022A CN 110981022 A CN110981022 A CN 110981022A
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CN
China
Prior art keywords
sedimentation
oxidation pond
pond body
dosing pump
concentration organic
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Pending
Application number
CN201911349022.8A
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Chinese (zh)
Inventor
万国俊
曾春
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Guangzhou Huanchun Environmental Protection Technology Co Ltd
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Guangzhou Huanchun Environmental Protection Technology Co Ltd
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Priority to CN201911349022.8A priority Critical patent/CN110981022A/en
Publication of CN110981022A publication Critical patent/CN110981022A/en
Pending legal-status Critical Current

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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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention provides a soil remediation high-concentration organic wastewater treatment system which comprises an advanced oxidation pond, a sedimentation pond and a filter pond, wherein the advanced oxidation pond comprises an oxidation pond body, a stirring device and a catalyst packing layer are arranged in the oxidation pond body, a dosing pump is further arranged on the side of the oxidation pond body and communicated with the oxidation pond body, the sedimentation pond comprises a sedimentation pond body, a flow guide chamber and a sedimentation chamber are arranged in the sedimentation pond body, a supernatant inclined channel is arranged in the sedimentation chamber, a dosing pump is arranged on the side of the sedimentation chamber and communicated with the sedimentation pond body, the filter pond comprises a filter pond body, and a filter layer is arranged in the filter pond body. Compared with the prior art, the invention can treat the high-concentration organic wastewater for soil remediation and then discharge the high-concentration organic wastewater, has the characteristics of high treatment efficiency and low energy consumption, and avoids environmental pollution caused by direct discharge.

Description

Soil remediation high concentration organic wastewater treatment system
Technical Field
The invention belongs to the field of wastewater treatment equipment, and particularly relates to a high-concentration organic wastewater treatment system for soil remediation.
Background
With the development of industrialization and urbanization, the problems of air pollution, water pollution and soil pollution are increasingly severe, the pollution brings great harm to people, and how to solve the problem of soil pollution is always a concern for governments and private responsible enterprises in all countries.
The land remediation method aiming at industrial pollution is multiple, the method for remedying the soil by using more soil is an ectopic leaching method, and the method comprises the following steps: firstly, carrying out whole-area non-selection overall excavation on a land to be cleaned, then carrying out sampling inspection according to the relevant requirements of the technical guide of site environment monitoring, if a cleaning target value is reached, delivering for subsequent use, otherwise, carrying out local deepening excavation according to a monitoring result; then the excavated soil to be treated is sealed and transported to a temporary storage yard; the method comprises the steps of firstly carrying out manual sorting (random discharge and random selection) according to the particle size in a temporary storage yard, conveying the rock blocks with the particle size larger than 80mm to a washing yard, transferring the remaining soil to a treatment area part, washing the rock blocks on the washing yard through a washing device, washing the washing water in the washing device by adopting high-pressure water added with a proper amount of eluent, draining the water of the rock blocks, discharging the washed water, evenly spreading a soil pond into a soil layer with the thickness of 1.5m in the treatment area part, arranging eluent nozzles at the top of the soil layer, uniformly covering the whole soil layer with the added amount of eluent, washing organic matters into circulating liquid, synchronously decomposing the added medicament, gradually reducing the concentration of the organic matters in the soil along with the increase of the circulating times so as to gradually achieve the aim of treatment, and then carrying out sampling inspection according to the related requirements of the guide of the field environment monitoring technology, finally, the soil and the stones are transported to a soil accommodating field for backfilling, wherein the washing sewage generated by washing the stones through the washing field and the washing sewage generated by treating the stones are directly discharged, and the directly discharged sewage often contains high-concentration organic matters and can cause environmental pollution.
Some of the prior art also carry out purification treatment through a simple mode, but the treatment mode efficiency is lower, the energy consumption is higher, different processes and equipment need to be used aiming at different organic matter components, and the development requirements of the modern market cannot be met. In view of this, the invention provides a soil remediation high concentration organic wastewater treatment system.
Disclosure of Invention
In order to solve the problems, the invention provides a soil remediation high-concentration organic wastewater treatment system, which can treat soil remediation high-concentration organic wastewater and then discharge the treated soil remediation high-concentration organic wastewater, has the characteristics of high treatment efficiency and low energy consumption, and avoids environmental pollution caused by direct discharge.
The invention is realized by the following technical scheme:
a soil remediation high-concentration organic wastewater treatment system comprises an advanced oxidation pond, a sedimentation pond and a filtration pond, wherein the advanced oxidation pond, the sedimentation pond and the filtration pond are communicated through a pipeline, the advanced oxidation pond comprises an oxidation pond body, the oxidation pond body is provided with a liquid inlet and a liquid outlet, the oxidation pond body is internally provided with a stirring device and a catalyst packing layer, the side of the oxidation pond body is also provided with a first dosing pump and a second dosing pump which are communicated with the oxidation pond body, the sedimentation pond comprises a sedimentation pond body, the sedimentation pond body is provided with a liquid inlet and a liquid outlet, the sedimentation pond body is internally provided with a flow guide chamber and a sedimentation chamber, the sedimentation chamber is internally provided with a supernatant inclined channel, the side of the sedimentation chamber is provided with a third dosing pump and a fourth dosing pump which are communicated with the sedimentation pond body, the filtering tank comprises a filtering tank body, the filtering tank body is provided with a supernatant inlet and a filtrate outlet, and a filtering layer is arranged in the filtering tank body.
As a preferable technical solution, the pipeline is further provided with a pump.
As a preferred technical scheme, a plurality of oxidation stirring chambers are further arranged on the oxidation pond body, stirring devices are arranged on the oxidation stirring chambers, and the oxidation stirring chambers are communicated with the oxidation pond body.
As a preferred technical scheme, still be provided with a plurality of sediment teeter chambers on the sedimentation tank body, be provided with agitating unit on the sediment teeter chamber, sediment teeter chamber intercommunication the sedimentation tank body.
As a preferred technical scheme, the filter layer comprises a quartz sand filter layer, a manganese sand filter layer, an anthracite filter layer and an active carbon filter layer which are sequentially arranged from top to bottom.
As a preferred technical scheme, the bottom of the oxidation pond body and the bottom of the sedimentation pond body are both provided with sewage outlets.
Has the advantages that:
according to the invention, high-concentration organic wastewater for soil remediation is introduced into the advanced oxidation pond, the advanced oxidation pond is used for regulating the pH value, then organic matters are oxidized and decomposed, the decomposed inorganic and inorganic wastewater passes through the sedimentation pond and is precipitated by the sedimentation pond, the precipitated supernatant passes through the filter, suspended solids in the supernatant are filtered, the discharge standard is reached, and the environment pollution caused by direct discharge is avoided.
Drawings
FIG. 1 is a schematic diagram of a soil remediation high concentration organic wastewater treatment system;
FIG. 2 is a schematic structural view of the higher oxidation pond shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the sedimentation tank of FIG. 1;
fig. 4 is a schematic structural view of the filtration tank in fig. 1.
The attached drawings are as follows:
1. an advanced oxidation pond; 2. a sedimentation tank; 3. a filtration tank; 4. a pipeline; 5. a pump; 6. a sewage draining outlet; 11. an oxidation pond body; 12. a liquid inlet; 13. a liquid outlet; 14. a stirring device; 15. a catalyst packing layer; 16. a first dosing pump; 17. a second dosing pump; 18. an oxidizing and stirring chamber; 21. a sedimentation tank body; 22. a liquid inlet; 23. a liquid outlet; 24. a flow guide chamber; 25. a settling chamber; 26. a supernatant inclined channel; 27. a third dosing pump; 28. a fourth dosing pump; 29. a precipitation stirring chamber; 31. a filter tank body; 32. a supernatant inlet; 33. a filtrate outlet; 34. a quartz sand filter layer; 35. a manganese sand filter layer; 36. an anthracite filter layer; 37. an active carbon filter layer.
Detailed Description
For further disclosure and explanation of the technical scheme of the invention, a soil remediation high-concentration organic wastewater treatment system is clearly and completely explained in the following with reference to the attached drawings.
It should be noted that the terms "upper", "inner", "middle", "left", "right" and "one" used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship between them are not essential to the technical contents, but are also regarded as the scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a high concentration organic wastewater treatment system for soil remediation, which includes an advanced oxidation pond 1, a sedimentation pond 2 and a filtration pond 3, wherein the advanced oxidation pond 1, the sedimentation pond 2 and the filtration pond 3 are communicated through a pipeline 4, the advanced oxidation pond 1 is used for PH adjustment of wastewater and oxidation decomposition of organic matters into inorganic salts, the sedimentation pond 2 is used for sedimentation of inorganic salts, and the filtration pond 3 can filter supernatant of the sedimentation pond 2 to remove suspended solids, so that the discharge of wastewater reaches a standard.
Further, the advanced oxidation pond 1 comprises an oxidation pond body 11, a liquid inlet 12 and a liquid outlet 13 are arranged on the oxidation pond body 11, a stirring device 14 and a catalyst packing layer 15 are arranged in the oxidation pond body 11, a first dosing pump 16 and a second dosing pump 17 are further arranged on the side of the oxidation pond body 11, the first dosing pump 16 and the second dosing pump 17 are both communicated with the oxidation pond body 11, it should be noted that in the process, sulfuric acid and ferrous sulfate are added to the first dosing pump 16, sodium sulfate and hydrogen peroxide are added to the second dosing pump 17, after wastewater is added into the liquid inlet 12, the pH of the water is adjusted in advance to 2-4, then ferrous sulfate and hydrogen peroxide are added through the first dosing pump 16 and the second dosing pump 17, the ORP value is controlled to be 250-300mv, and the dosage of the ferrous sulfate and the hydrogen peroxide is adjusted according to COD, COD (chemical oxygen demand) is 2: 1; the reaction time is controlled to be 2-4 hours when the molar ratio of hydrogen peroxide to ferrous iron is 10: 1.
Hydrogen peroxide (H)2O2) The mixed solution with ferrous ions has strong oxidizing property, can oxidize a plurality of known organic compounds such as carboxylic acid, alcohol and ester into inorganic state, and has very remarkable oxidizing effect. Chemical reaction:
Fe2++H2O2→Fe3++(OH)-+OH·①
as can be seen from the above formula, 1mol of H2O2 and 1mol of Fe2+After the reaction, 1mol of Fe is generated3+Simultaneously with the formation of 1mol of OH-plus 1mol of hydroxyl radicals. It is the presence of hydroxyl radicals that gives the reagent a strong oxidizing power. The oxidation potential of OH radicals in solution at pH 4 was calculated to be as high as 2.73V. In nature, the oxidizing power is inferior to that of fluorine gas in solution. Thus, persistent organic compounds, particularly aromatic compounds and some heterocyclic compounds, which are difficult to oxidize with conventional reagents, are all degraded by non-selective oxidation in the presence of the reagent.
Further, the sedimentation tank 2 comprises a sedimentation tank body 21, the sedimentation tank body 21 is provided with a liquid inlet 22 and a liquid outlet 23, a flow guide chamber 24 and a settling chamber 25 are arranged in the settling tank body 21, a supernatant inclined channel 26 is arranged in the settling chamber 25, a third dosing pump 27 and a fourth dosing pump 28 are arranged on the side of the settling chamber 25, the third dosing pump 27 and the fourth dosing pump 28 are communicated with the settling pond body 21, it should be noted that flocculating agents PAM and PAC are added into the third dosing pump 27 and the fourth dosing pump 28, after the strongly oxidized wastewater enters the settling pond 2 from the liquid inlet 22, the flocculating agents and the coagulant aids can promote the inorganic salt suspended in the water to settle, the liquid in the sedimentation tank 2 is guided to the sedimentation chamber 25 through the guide chamber 24, after the inorganic salt is precipitated in the sedimentation chamber 25, the supernatant liquid flows into the filter tank 3 through the supernatant liquid inclined passage 26 climbing to the liquid outlet 23 above the sedimentation tank 2.
Further, the filtering tank 3 comprises a filtering tank body 31, the filtering tank body 31 is provided with a supernatant inlet 32 and a filtrate outlet 33, a filtering layer is arranged in the filtering tank body 31, and the filtering layer can remove suspended solids remaining in the wastewater to reach the discharge standard.
Specifically, the pipeline 4 is also provided with a pump 5, and the pump 5 can accelerate the liquid flow of the advanced oxidation tank 1, the sedimentation tank 2 and the filter tank 3.
Specifically, still be provided with a plurality of oxidation teeter chambers 18 on the oxidation pond body 11, be provided with agitating unit 14 on the oxidation teeter chamber 18, oxidation teeter chamber 18 intercommunication oxidation pond body 11, oxidation teeter chamber 18 can accelerate the reaction of ferrous sulfate and hydrogen peroxide solution and waste water.
Specifically, still be provided with a plurality of sediment agitator chambers 29 on the sedimentation tank body 21, be provided with agitating unit 14 on the sediment agitator chamber 29, sediment agitator chamber 29 intercommunication sedimentation tank body 21, it needs to explain, sediment agitator chamber 29 is regularly started, makes flocculating agent PAM and coagulant aid PAC and waste water mix, and then stop starting after mixing, makes it the sediment of stewing.
Specifically, the filter layer includes quartz sand filter layer 34, manganese sand filter layer 35, anthracite filter layer 36 and active carbon filter layer 37 that from top to bottom set gradually, and the multilayer filters can guarantee that the suspended solid filters completely to reach emission standard.
Specifically, the bottom of oxidation pond body 11 and sedimentation tank body 21 all is provided with drain 6, and drain 6 adopts electric valve, can open regularly and discharge solid-state waste residue.
According to the invention, high-concentration organic wastewater for soil remediation is introduced into the advanced oxidation pond 1, the advanced oxidation pond 1 is utilized to adjust the pH value, then organic matters are oxidized and decomposed, the decomposed inorganic and inorganic wastewater passes through the sedimentation pond 2 and is precipitated by the sedimentation pond 2, the precipitated supernatant passes through the filter to filter suspended solids in the wastewater, so that the discharge standard is reached, and the environmental pollution caused by direct discharge is avoided.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are included if they do not depart from the spirit and scope of the present invention, and they are within the scope of the claims and the equivalent technology of the present invention.

Claims (6)

1. The utility model provides a soil remediation high concentration organic waste water processing system which characterized in that: comprises an advanced oxidation pond, a sedimentation tank and a filter tank, wherein the advanced oxidation pond, the sedimentation tank and the filter tank are communicated through a pipeline, the advanced oxidation pond comprises an oxidation pond body, the oxidation pond body is provided with an inlet and a liquid outlet, the oxidation pond body is internally provided with a stirring device and a catalyst packing layer, the side of the oxidation pond body is also provided with a first dosing pump and a second dosing pump, the first dosing pump and the second dosing pump are both communicated with the oxidation pond body, the sedimentation tank comprises a sedimentation tank body, the sedimentation tank body is provided with a liquid inlet and a liquid outlet, the sedimentation tank body is internally provided with a flow guide chamber and a sedimentation chamber, the sedimentation chamber is internally provided with a supernatant inclined channel, the side of the sedimentation chamber is provided with a third dosing pump and a fourth dosing pump, and the third dosing pump and the fourth dosing pump are communicated with the sedimentation tank body, the filtering tank comprises a filtering tank body, the filtering tank body is provided with a supernatant inlet and a filtrate outlet, and a filtering layer is arranged in the filtering tank body.
2. The soil remediation high concentration organic wastewater treatment system of claim 1, wherein: the pipeline is also provided with a pump.
3. The soil remediation high concentration organic wastewater treatment system of claim 1, wherein: the oxidation pond is characterized in that a plurality of oxidation stirring chambers are further arranged on the oxidation pond body, stirring devices are arranged on the oxidation stirring chambers, and the oxidation stirring chambers are communicated with the oxidation pond body.
4. The soil remediation high concentration organic wastewater treatment system of claim 1, wherein: still be provided with a plurality of sediment teeter chambers on the sedimentation tank body, be provided with agitating unit on the sediment teeter chamber, sediment teeter chamber intercommunication the sedimentation tank body.
5. The soil remediation high concentration organic wastewater treatment system of claim 1, wherein: the filter layer includes from top to bottom set gradually the quartz sand filter layer, manganese sand filter layer, anthracite filter layer and active carbon filter layer.
6. The soil remediation high concentration organic wastewater treatment system of claim 1, wherein: and the bottom of the oxidation pond body and the bottom of the sedimentation pond body are both provided with sewage outlets.
CN201911349022.8A 2019-12-24 2019-12-24 Soil remediation high concentration organic wastewater treatment system Pending CN110981022A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104071914A (en) * 2013-03-30 2014-10-01 宝山钢铁股份有限公司 Stainless steel leveling waste liquid recycling treatment method and system device thereof
CN105217885A (en) * 2015-09-22 2016-01-06 张家港市格锐环境工程有限公司 A kind for the treatment of system of dyeing and printing auxiliary factory effluent and treatment process
CN106881319A (en) * 2017-01-19 2017-06-23 大连利丰包装有限公司 The plastic box purging system and its method of work of a kind of sewage zero-discharge
CN209098372U (en) * 2018-09-29 2019-07-12 南京万德斯环保科技股份有限公司 One type Fenton reactor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104071914A (en) * 2013-03-30 2014-10-01 宝山钢铁股份有限公司 Stainless steel leveling waste liquid recycling treatment method and system device thereof
CN105217885A (en) * 2015-09-22 2016-01-06 张家港市格锐环境工程有限公司 A kind for the treatment of system of dyeing and printing auxiliary factory effluent and treatment process
CN106881319A (en) * 2017-01-19 2017-06-23 大连利丰包装有限公司 The plastic box purging system and its method of work of a kind of sewage zero-discharge
CN209098372U (en) * 2018-09-29 2019-07-12 南京万德斯环保科技股份有限公司 One type Fenton reactor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
吉林省通化钢铁厂中心试验室编写组: "《钢铁厂化验工常用试验手册》", 30 September 1977, 吉林人民出版社 *
陈冠荣 等: "《化工百科全书 第6卷 功能性色素—合成气化学》", 31 August 1994, 化学工业出版社 *
黄伯云 等: "《中国战略性新兴产业—新材料 环境工程材料》", 30 November 2018, 中国铁道出版社 *

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