CN108947139A - A kind of processing method of the high ammonia-nitrogen wastewater containing organic amine - Google Patents

A kind of processing method of the high ammonia-nitrogen wastewater containing organic amine Download PDF

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Publication number
CN108947139A
CN108947139A CN201810914361.5A CN201810914361A CN108947139A CN 108947139 A CN108947139 A CN 108947139A CN 201810914361 A CN201810914361 A CN 201810914361A CN 108947139 A CN108947139 A CN 108947139A
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China
Prior art keywords
ammonia
hydrogen peroxide
organic amine
nitrogen
concentration
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CN201810914361.5A
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英瑜
欧阳亮
冯子俊
翟河科
何兆健
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Jiujiang Tianci High & New Material Co Ltd
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Jiujiang Tianci High & New Material Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/38Organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/14NH3-N

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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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses a kind of processing method of high ammonia-nitrogen wastewater containing organic amine, includes the following steps: to sample Step 1: organic amine high ammonia-nitrogen wastewater will be contained, detect ammonia nitrogen concentration therein;It is added in processing kettle Step 2: organic amine high ammonia-nitrogen wastewater will be contained, is warming up to 60-65 DEG C, hydrogen peroxide is added, stirs evenly, keep the temperature 0.5-3 h;Step 3: sampling analysis ammonia nitrogen and hydrogen peroxide content, compared with ammonia nitrogen concentration in step 1, ammonia nitrogen concentration reduces by 95% or more, after ammonia nitrogen concentration is up to standard in the step, and the concentration of the hydrogen peroxide is less than 1wt%;Step 4: carrying out subsequent processing subsequently into biochemical system, the biochemical system includes the anaerobic system and aerobic system set gradually after being down to room temperature.Treatment process of the present invention is hydrogen peroxide using oxidant, environmentally protective, will not introduce other pollutions, operation operating cost is low, and processing method is simple, and the good waste water of final process reaches discharge standard, can direct emission.

Description

A kind of processing method of the high ammonia-nitrogen wastewater containing organic amine
Technical field
It is a kind of using novel oxidized-raw the invention discloses a kind of processing method of high ammonia-nitrogen wastewater containing organic amine The method of change method processing high ammonia-nitrogen wastewater.
Background technique
Organic amine product is common chemical intermediate, in organic amine production process, especially Long carbon chain amide In the production processes such as class, fatty amines, alcamines, unavoidably has and generated containing organic amine high ammonia-nitrogen wastewater, such waste water ammonia Nitrogen content is higher, and up to 10000mg/L~100000mg/L, chemical property is stablized, and is difficult to using direct biological decomposition Mode is handled, and is difficult waste water.Such waste water will lead to water eutrophication etc. due to containing high ammonia nitrogen, direct emission Problem of environmental pollution, it is necessary to can be discharged by processing, for such industrial wastewater, technical staff carries out always processing mode Grope and probe into.
Such waste water is handled at present and is mainly the following processing method: method of chemical treatment, physical treatment process and biology Facture, specifically such as Fenton reagent method, electroosmose process, air stripping method, MAP (ammonium magnesium phosphate) chemical precipitation method, film divide From method etc..Domestic is more typically to be handled using biochemical treatment mode and Fenton reagent method, is all difficult to reach effective purpose.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, and provide a kind of high containing organic amine The processing method of ammonia nitrogen waste water.
A kind of processing method of the high ammonia-nitrogen wastewater containing organic amine, includes the following steps:
Step 1: the sampling of organic amine high ammonia-nitrogen wastewater will be contained, ammonia nitrogen concentration therein is detected;
It is added in processing kettle Step 2: organic amine high ammonia-nitrogen wastewater will be contained, is warming up to 60-65 DEG C, hydrogen peroxide is added, It stirs evenly, keeps the temperature 0.5-3h;
The mass ratio of ammonia-nitrogen content and hydrogen peroxide is 2:5 in the waste water;
Step 3: sampling analysis ammonia nitrogen and hydrogen peroxide content, compared with ammonia nitrogen concentration in step 1, ammonia nitrogen in the step Concentration reduces by 95% or more, after ammonia nitrogen concentration is up to standard, and the concentration of the hydrogen peroxide is less than 1wt%;
If the not up to index value, continues to add according to the 1% of the content for the hydrogen peroxide being added in step 2, keep the temperature It resamples after 0.5h and detects ammonia nitrogen concentration, until its is up to standard;If the concentration of hydrogen peroxide is more than or equal to 1wt% after up to standard, after Sample presentation detects after continuation of insurance temperature 0.5h, until its concentration is up to standard;
Step 4: carrying out subsequent processing subsequently into biochemical system, the biochemical system includes successively setting after being down to room temperature The anaerobic system and aerobic system set.
The anaerobic system is using activated sludge filling culture, and the water body part pH after water inlet is 8-9, and water temperature is 35-40 DEG C, the saturation degree of oxygen is not more than 1%, and residence time is 36-60 hours in anaerobic system.
In step 4, it is adjusted using pH value of the sulfuric acid to waste water.
The aerobic system is aerobic tank, and the aerobic tank is handled using aerobic microbiological, and pH is 6- in aerobic tank 8, it is handled using aerobic microbiological, is 18-30 hours in the residence time that aerobic tank summarizes.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is first pre-processed organic amine wastewater compared under temperate condition using hydrogen peroxide, reduces unhindered amina, will Unhindered amina is converted to amine oxide, enters back into biochemical system and is handled;Treatment process is hydrogen peroxide, green ring using oxidant It protects, other pollutions will not be introduced, operation operating cost is low, and processing method is simple, and the good waste water of final process reaches discharge mark Quasi- (being less than 30mg/L according to national standard), can direct emission.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
The method of the present invention is organically combined using method of chemical treatment and biological treatment, is realized novel oxidized-biochemical method, is passed through Amine oxidation characteristic can be reduced ammonia nitrogen value in the case where total nitrogen is constant under alkaline condition using hydrogen peroxide by early period, be improved Biodegradability, then waste water is thoroughly handled by biochemical treatment, reaching can discharge standard.The method is using hydrogen peroxide as oxidation Agent, oxidizing temperature is more mild, and using oxidation-biochemical method, operating cost is low, easy to operate.Its mid-early stage use with dioxygen Water is the novel oxidized method of oxidant, different from conventional Fenton reagent method.Fenton reagent method needs to utilize ferrous ion (Fe2+) and hydrogen peroxide in acid condition chain reaction catalysis generate hydroxyl radical free radical, provide compared with Strong oxdiative ability, need simultaneously Ferrous ion (Fe is provided2+) and hydrogen peroxide, and need to keep process object acidic environment, investment and operating cost are just significantly It improves.
And central innovative approach is novel oxidized method pretreated waste water in the present invention: directlying adopt hydrogen peroxide as oxidation Waste water is added in agent, rises to certain temperature, reaches biochemical treatment index after aoxidizing a period of time, walks into next step biochemical treatment Suddenly, it is as follows to innovate processing dominant mechanism by the present invention:
Other will not be introduced after processing need to handle problem, environmentally protective!It is continued with after pretreatment into biochemical system, it can Reach national emission standard.
The invention discloses a kind of processing methods of high ammonia-nitrogen wastewater containing organic amine, include the following steps:
Step 1: the sampling of organic amine high ammonia-nitrogen wastewater will be contained, ammonia nitrogen concentration therein is detected;
It is added in processing kettle Step 2: organic amine high ammonia-nitrogen wastewater will be contained, is warming up to 60-65 DEG C, hydrogen peroxide is added, It stirs evenly, keeps the temperature 0.5-3h;
The mass ratio of ammonia-nitrogen content and hydrogen peroxide is 2:5 in the waste water;
Step 3: sampling analysis ammonia nitrogen and hydrogen peroxide content, compared with ammonia nitrogen concentration in step 1, ammonia nitrogen in the step Concentration reduces by 95% or more, after ammonia nitrogen concentration is up to standard, and the concentration of the hydrogen peroxide is less than 1wt%;
If the not up to index value, continues to add according to the 1% of the content for the hydrogen peroxide being added in step 2, keep the temperature It resamples after 0.5h and detects ammonia nitrogen concentration, until its is up to standard;If the concentration of hydrogen peroxide is more than or equal to 1wt% after up to standard, after Sample presentation detects after continuation of insurance temperature 0.5h, until its concentration is up to standard;
Step 4: carrying out subsequent processing subsequently into biochemical system, the biochemical system includes successively setting after being down to room temperature The anaerobic system and aerobic system set.
The anaerobic system is using activated sludge filling culture, and the water body part pH after water inlet is 8-9, and water temperature is 35-40 DEG C, the saturation degree of oxygen is not more than 1%, and residence time is 36-60 hours in anaerobic system.The processing residence time adopts It is determined with time=dischargeable capacity/influent load, is 48h according to the design residence time.
In step 4, it is adjusted using pH value of the sulfuric acid to waste water.
The aerobic system is aerobic tank, and the aerobic tank is handled using aerobic microbiological, and pH is 6- in aerobic tank 8, it is handled using aerobic microbiological, is 18-30 hours in the residence time that aerobic tank summarizes.
In following embodiment, only to being related to elaborating at key index, each step is in the part of already explained mistake Repeat no more.
Embodiment 1
The processing method of one of the present embodiment high ammonia-nitrogen wastewater containing organic amine, steps are as follows:
Step 1: the sampling of organic amine high ammonia-nitrogen wastewater will be contained, ammonia nitrogen concentration therein is detected, measuring ammonia nitrogen is 20030mg/L, pH=11.5;
Second step will contain organic amine high ammonia-nitrogen wastewater 4000kg and be added in processing kettle, and be warming up to 65 DEG C, 50wt% is added Hydrogen peroxide 500kg, stirs evenly, and keeps the temperature 2h;
Step 3: sample detection ammonia nitrogen is 544mg/L, pH=9.6, hydrogen peroxide content 0.21wt%;
Step 4 is cooled to room temperature, handles one day using aerobic system two days later into anaerobic system;
Sewage after having handled is taken to be detected, ammonia nitrogen is down to 1.28mg/L, reaches discharge standard.
Embodiment 2
The processing method of one of the present embodiment high ammonia-nitrogen wastewater containing organic amine, steps are as follows:
Step 1: the sampling of organic amine high ammonia-nitrogen wastewater will be contained, ammonia nitrogen concentration therein is detected, measuring ammonia nitrogen is 30125mg/L, pH=12.1,
Second step will contain organic amine high ammonia-nitrogen wastewater 4000kg and be added in processing kettle, and be warming up to 60 DEG C, 50wt% is added Hydrogen peroxide 600kg, stirs evenly, and keeps the temperature 2h;
Step 3: sample detection ammonia nitrogen is 1231mg/L, pH=10.1, hydrogen peroxide content 0.30wt%;
Step 4 is cooled to room temperature, handles one day using aerobic system two days later into anaerobic system;
Sewage after having handled is taken to be detected, ammonia nitrogen is down to 3.1mg/L, reaches discharge standard.
Embodiment 3
The processing method of one of the present embodiment high ammonia-nitrogen wastewater containing organic amine, steps are as follows:
Step 1: the sampling of organic amine high ammonia-nitrogen wastewater will be contained, ammonia nitrogen concentration therein is detected, measuring ammonia nitrogen is 25450mg/L, pH=11.7,
Second step will contain organic amine high ammonia-nitrogen wastewater 4000kg and be added in processing kettle, and be warming up to 65 DEG C, 50wt% is added Hydrogen peroxide 500kg, stirs evenly, and keeps the temperature 2h;
Step 3: sample detection ammonia nitrogen is 762mg/L, pH=9.8, hydrogen peroxide content 0.30wt%;
Step 4 is cooled to room temperature, handles one day using aerobic system two days later into anaerobic system;
Sewage after having handled is taken to be detected, ammonia nitrogen is down to 1.67mg/L, reaches discharge standard.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (4)

1. a kind of processing method of high ammonia-nitrogen wastewater containing organic amine, which comprises the steps of:
Step 1: the sampling of organic amine high ammonia-nitrogen wastewater will be contained, ammonia nitrogen concentration therein is detected;
It is added in processing kettle Step 2: organic amine high ammonia-nitrogen wastewater will be contained, is warming up to 60-65 DEG C, hydrogen peroxide, stirring is added Uniformly, 0.5-3 h is kept the temperature;
The mass ratio of ammonia-nitrogen content and hydrogen peroxide is 2:5 in the waste water;
Step 3: sampling analysis ammonia nitrogen and hydrogen peroxide content, compared with ammonia nitrogen concentration in step 1, ammonia nitrogen concentration in the step 95% or more, after ammonia nitrogen concentration is up to standard is reduced, the concentration of the hydrogen peroxide is less than 1wt%;
If the not up to index value, continues to add according to the 1% of the content for the hydrogen peroxide being added in step 2, after keeping the temperature 0.5 h It resamples and detects ammonia nitrogen concentration, until its is up to standard;If the concentration of hydrogen peroxide is more than or equal to 1wt% after up to standard, continue to keep the temperature Sample presentation detects after 0.5 h, until its concentration is up to standard;
Step 4: carrying out subsequent processing subsequently into biochemical system, the biochemical system includes setting gradually after being down to room temperature Anaerobic system and aerobic system.
2. a kind of processing method of high ammonia-nitrogen wastewater containing organic amine according to claim 1, it is characterised in that: described to detest For oxygen system using activated sludge filling culture, the water body part pH after water inlet is 8-9, and water temperature is 35-40 DEG C, the saturation of oxygen Degree is not more than 1%, and residence time is 36-60 hours in anaerobic system.
3. a kind of processing method of high ammonia-nitrogen wastewater containing organic amine according to claim 2, it is characterised in that: in step In four, it is adjusted using pH value of the sulfuric acid to waste water.
4. one kind process for treating high ammonia nitrogen waste water containing organic amine according to claim 1, it is characterised in that: described aerobic System is aerobic tank, and the aerobic tank is handled using aerobic microbiological, and pH is 6-8 in aerobic tank, using aerobic microbiological It is handled, is 18-30 hours in the residence time that aerobic tank summarizes.
CN201810914361.5A 2018-08-13 2018-08-13 A kind of processing method of the high ammonia-nitrogen wastewater containing organic amine Pending CN108947139A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110835154A (en) * 2019-12-16 2020-02-25 天合光能股份有限公司 Ammonia water and hydrogen peroxide wastewater treatment device and method
CN110902963A (en) * 2019-12-10 2020-03-24 九江天赐高新材料有限公司 Treatment method of alkali-soluble polymer-containing wastewater
CN111875782A (en) * 2020-06-17 2020-11-03 中国林科院林产化工研究所南京科技开发有限公司 Method for preparing Mannich base curing agent by recycling amine epoxy curing agent production wastewater
CN114291920A (en) * 2021-11-26 2022-04-08 岭澳核电有限公司 Method for treating hydrazine-containing waste liquid of nuclear power station

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CN104773787A (en) * 2015-03-24 2015-07-15 大连理工齐旺达化工科技有限公司 Method for reducing chemical oxygen demand of zeolite molecular sieve production wastewater

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110902963A (en) * 2019-12-10 2020-03-24 九江天赐高新材料有限公司 Treatment method of alkali-soluble polymer-containing wastewater
CN110835154A (en) * 2019-12-16 2020-02-25 天合光能股份有限公司 Ammonia water and hydrogen peroxide wastewater treatment device and method
CN111875782A (en) * 2020-06-17 2020-11-03 中国林科院林产化工研究所南京科技开发有限公司 Method for preparing Mannich base curing agent by recycling amine epoxy curing agent production wastewater
CN111875782B (en) * 2020-06-17 2023-12-26 中国林科院林产化工研究所南京科技开发有限公司 Method for preparing Mannich base curing agent by recycling amine epoxy curing agent production wastewater
CN114291920A (en) * 2021-11-26 2022-04-08 岭澳核电有限公司 Method for treating hydrazine-containing waste liquid of nuclear power station

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Application publication date: 20181207