CN104528999A - Resource utilization method for chromium ions in chromium industrial sewage - Google Patents
Resource utilization method for chromium ions in chromium industrial sewage Download PDFInfo
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- CN104528999A CN104528999A CN201410815896.9A CN201410815896A CN104528999A CN 104528999 A CN104528999 A CN 104528999A CN 201410815896 A CN201410815896 A CN 201410815896A CN 104528999 A CN104528999 A CN 104528999A
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Abstract
The invention discloses a resource utilization method for chromium ions in chromium industrial sewage. The method comprises the steps of filtrating the sewage containing the chromium ions so as to obtain a filtrate, then, adsorbing the chromium ions in the filtrate through ion exchange resin, eluting the ion exchange resin so as to obtain a chromium ion concentrate, mixing the chromium ion concentrate with industrial and agricultural by-products, carrying out microbial fermentation, drying and granulating, thereby obtaining an organic chromium feed additive. According to the method, the problem of water pollution and the difficult problem of supplementing trace elements of animal bodies are simultaneously solved, and the method has good ecological, economic and social benefits.
Description
Technical field
The invention belongs to sewage treatment area, be specifically related to the method for chromium ion in a kind of recycling chromium industrial sewage.
Background technology
Water pollutions becomes the environmental problem of a serious harm human health, in recent years, containing the industrial sewage of heavy metal and city domestic sewage increasing, select the method for rationally purifying waste water to be very important.
Ion-exchange-resin process is a kind of important method processing containing metal element sewage, the amino contained in resin, light base isoreactivity group, huge legendary turtle conjunction, permutoid reaction can be carried out with metal ion, thus removal metal ions in sewage, can also be used for the metal of trace in concentrated and recovery solution, common ion exchange resin has Zeo-karb, anionite-exchange resin, chelate resin and humic acid resin etc. simultaneously.Ion-exchange-resin process equipment is simple, and operation is easy to control, and processing condition are ripe, flow process is short, and resin can regenerate, and obtains extensive application at present in sewage disposal.
But the metallic element of a lot of treated recovery is not utilized again, and this causes the waste of metals resources to a certain extent.
Although the content of metal trace element in humans and animals body is few, with the existence of humans and animals and health closely bound up, vital effect is play to life.Their excess intake, deficiency, imbalance or shortage all can cause the physiological abnormal or generation disease of humans and animals body to some extent.It should be noted that these trace elements must directly or indirectly be supplied by soil under normal circumstances, but most of humans and animals does not often obtain enough trace elements by diet.According to scientific research, up to the present, be identified the essential metal trace element relevant with health and lives and have iron, copper, zinc, cobalt, manganese, chromium, nickel, molybdenum, vanadium, tin, strontium, rubidium etc.This often plants the physiological function that metal trace element has it special.Although they are minimum at people's in-vivo content, they are very necessary to some the conclusive metabolism maintained in human body.Once lack these required trace elements, human body just there will be disease, even threat to life.Relatively it is clear that the disease of about 30% is directly caused by trace element deficiency or imbalance.As scarce chromium can cause mouth, eye, anus or external genital redness, papule, eczema.And for example iron is one of main component forming oxyphorase, and iron deficiency can cause hypoferric anemia.Once report was had abroad: in body, iron content, chromium, chromium total amount reduce, and all can weaken immunologic mechanism (resist the disease strength), reduce resistance against diseases, encourage bacteriological infection, and metainfective mortality ratio are also higher.Trace element disease-resistant, give protection against cancer, to promote longevity etc. in all also play very important effect.
The method that tradition supplements metallic element adds metal inorganic salt in food, but the assimilated efficiency of humans and animals body to metal inorganic salt is lower, be unfavorable for that metallic element is utilized by body, and a lot of metal inorganic salt pair body toxic side effect, long-term taking easily produces adverse consequences.The metallic element of inorganic states can be changed into the metallic element of organic by microorganism, metallic element is combined with macromole such as protein, form the form that body easily absorbs and utilizes, and the metallic element of organic belongs to biologically active substance, does not have toxic side effect to human body.
In sum, a kind of recycling by metallic element in sewage of exploitation is made into fodder additives, solves water pollution problems and a supplementary animal body trace element difficult problem simultaneously, has good ecological benefits, economic benefit and social benefit.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, the method of chromium ion in a kind of recycling chromium industrial sewage is provided, sewage water filtration containing chromium ion is obtained filtrate by the present invention, then filtrate is adsorbed chromium ion by ion exchange resin, elution ionic exchange resin obtains chromium ion concentrated solution, chromium ion concentrated solution is mixed with industrial or agricultural by product, obtains organic chromium feed addictive through fermentable, drying and granulation.
The present invention realizes in the following way:
1, the method for chromium ion in recycling chromium industrial sewage, comprises the following steps:
(1) by the sewage water filtration containing chromium ion, filtrate is obtained;
(2) filtrate is passed through ion exchange resin, applied sample amount and ion exchange resin weight ratio are 6 ~ 10:1, and loading flow velocity is 1.0-2.0 BV/h;
(3) carry out wash-out by NaCl solution to ion exchange resin after absorption completely, obtain chromium ion concentrated solution, elutriant and sewage weight ratio are 1:15 ~ 20, and elution flow rate is 0.5-1.0 BV/h;
(4) chromium ion concentrated solution, industrial or agricultural by product and microbiobacterial agent are mixed by weight 1:1000 ~ 2000:10 ~ 20, at room temperature ferment 25-30 days, within every 12 hours, stirs once;
(5) after fermentation ends, tunning is dried;
(6) dried tunning is granulated, obtain organic chromium feed addictive.
Preferably, described ion exchange resin is any one in D751 chelating ion exchange resin, D401 chelating ion exchange resin, IRC-718 chelating ion exchange resin.
Preferably, described eluate concentration is the NaCl solution of 6-10%.
Preferably, described industrial or agricultural by product comprises more than one in vinasse, rice bran, wheat bran, Semen Maydis powder, dregs of beans, cassava starch dregs, beer residue, pomace, Chinese herb residues, Pericarppium arachidis hypogaeae, wooden chaff, tree bark powder, coconut palm chaff, changing food waste, Boiler Ash.
Preferably, described microbiobacterial agent comprises yeast, milk-acid bacteria, subtilis, Bacillus licheniformis.
Advantage of the present invention and positively effect:
1, the present invention solves water pollution problems and a supplementary animal body trace element difficult problem simultaneously, has good ecological benefits, economic benefit and social benefit.
2, the metallic element in sewage is recycled by the present invention, has saved resource, has avoided the wasting of resources.
3, metallic element is changed into organic from inorganic states by microorganism by the present invention, is beneficial to absorption and the utilization of animal.
4, organic chromium feed addictive of the present invention significantly can strengthen the immunizing power of animal, improves the seed output and quality of animal.
5, raw material sources of the present invention are extensive, with low cost, easy and simple to handle, energy consumption is low, are applicable to scale operation.
Embodiment
Below by embodiment, the invention will be further described, be easier to be understood, but protection scope of the present invention is not limited to these embodiments to make advantages and features of the invention.
embodiment 1
1, the method for chromium ion in recycling chromium industrial sewage, is characterized in that, comprise the following steps:
(1) by the sewage water filtration containing chromium ion, filtrate is obtained;
(2) pass through filtrate for D751 chelating ion exchange resin, applied sample amount and ion exchange resin weight ratio are 6:1, and loading flow velocity is 1.0 BV/h;
(3) absorption completely rear concentration be 6% NaCl solution wash-out is carried out to ion exchange resin, obtain chromium ion concentrated solution, NaCl solution and sewage weight ratio are 1:15, and elution flow rate is 0.5 BV/h;
(4) chromium ion concentrated solution, industrial or agricultural by product and microbiobacterial agent are mixed by weight 1:1000:10, at room temperature ferment 25 days, within every 12 hours, stir once;
(5) after fermentation ends, tunning is dried;
(6) dried tunning is granulated, obtain organic chromium feed addictive.
Wherein said industrial or agricultural by product comprises vinasse, rice bran, wheat bran, Semen Maydis powder, dregs of beans, cassava starch dregs, beer residue, pomace, Chinese herb residues, Pericarppium arachidis hypogaeae, wooden chaff, tree bark powder, coconut palm chaff, changing food waste, Boiler Ash; Described microbiobacterial agent comprises yeast, milk-acid bacteria, subtilis, Bacillus licheniformis.
embodiment 2
1, the method for chromium ion in recycling chromium industrial sewage, is characterized in that, comprise the following steps:
(1) by the sewage water filtration containing chromium ion, filtrate is obtained;
(2) pass through filtrate for D401 chelating ion exchange resin, applied sample amount and ion exchange resin weight ratio are 10:1, and loading flow velocity is 2.0 BV/h;
(3) absorption completely rear concentration be 10% NaCl solution wash-out is carried out to ion exchange resin, obtain chromium ion concentrated solution, NaCl solution and sewage weight ratio are 1:20, and elution flow rate is 1.0 BV/h;
(4) chromium ion concentrated solution, industrial or agricultural by product and microbiobacterial agent are mixed by weight 1:2000:20, at room temperature ferment 30 days, within every 12 hours, stir once;
(5) after fermentation ends, tunning is dried;
(6) dried tunning is granulated, obtain organic chromium feed addictive.
Wherein said industrial or agricultural by product comprises vinasse, rice bran, wheat bran, Semen Maydis powder, dregs of beans, Pericarppium arachidis hypogaeae, wooden chaff, tree bark powder, coconut palm chaff, changing food waste, Boiler Ash; Described microbiobacterial agent comprises yeast, milk-acid bacteria, subtilis, Bacillus licheniformis.
embodiment 3
1, the method for chromium ion in recycling chromium industrial sewage, is characterized in that, comprise the following steps:
(1) by the sewage water filtration containing chromium ion, filtrate is obtained;
(2) pass through filtrate for IRC-718 chelating ion exchange resin, applied sample amount and ion exchange resin weight ratio are 8:1, and loading flow velocity is 1.5 BV/h;
(3) absorption completely rear concentration be 8% NaCl solution wash-out is carried out to ion exchange resin, obtain chromium ion concentrated solution, NaCl solution and sewage weight ratio are 1:18, and elution flow rate is 0.8BV/h;
(4) chromium ion concentrated solution, industrial or agricultural by product and microbiobacterial agent are mixed by weight 1:1500:15, at room temperature ferment 28 days, within every 12 hours, stir once;
(5) after fermentation ends, tunning is dried;
(6) dried tunning is granulated, obtain organic chromium feed addictive.
Wherein said industrial or agricultural by product comprises vinasse, rice bran, wheat bran, Semen Maydis powder, dregs of beans, cassava starch dregs, beer residue, pomace, Chinese herb residues, Pericarppium arachidis hypogaeae; Described microbiobacterial agent comprises yeast, milk-acid bacteria, subtilis, Bacillus licheniformis.
Claims (5)
1. the method for chromium ion in recycling chromium industrial sewage, is characterized in that, comprise the following steps:
(1) by the sewage water filtration containing chromium ion, filtrate is obtained;
(2) filtrate is passed through ion exchange resin, applied sample amount and ion exchange resin weight ratio are 6 ~ 10:1, and loading flow velocity is 1.0-2.0 BV/h;
(3) carry out wash-out with elutriant to ion exchange resin after absorption completely, obtain chromium ion concentrated solution, elutriant and sewage weight ratio are 1:15 ~ 20, and elution flow rate is 0.5-1.0 BV/h;
(4) chromium ion concentrated solution, industrial or agricultural by product and microbiobacterial agent are mixed by weight 1:1000 ~ 2000:10 ~ 20, at room temperature ferment 25-30 days, within every 12 hours, stirs once;
(5) after fermentation ends, tunning is dried;
(6) dried tunning is granulated, obtain organic chromium feed addictive.
2. the method for chromium ion in recycling chromium industrial sewage according to claim 1, is characterized in that: described ion exchange resin is any one in D751 chelating ion exchange resin, D401 chelating ion exchange resin, IRC-718 chelating ion exchange resin.
3. the method for chromium ion in recycling chromium industrial sewage according to claim 1, is characterized in that: described eluate concentration is the NaCl solution of 6-10%.
4. the method for chromium ion in recycling chromium industrial sewage according to claim 1, is characterized in that: described industrial or agricultural by product comprise in vinasse, rice bran, wheat bran, Semen Maydis powder, dregs of beans, cassava starch dregs, beer residue, pomace, Chinese herb residues, Pericarppium arachidis hypogaeae, wooden chaff, tree bark powder, coconut palm chaff, changing food waste, Boiler Ash more than one.
5. the method for chromium ion in recycling chromium industrial sewage according to claim 1, is characterized in that: described microbiobacterial agent comprises yeast, milk-acid bacteria, subtilis, Bacillus licheniformis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410815896.9A CN104528999A (en) | 2014-12-25 | 2014-12-25 | Resource utilization method for chromium ions in chromium industrial sewage |
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| CN201410815896.9A CN104528999A (en) | 2014-12-25 | 2014-12-25 | Resource utilization method for chromium ions in chromium industrial sewage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534559A (en) * | 2019-01-28 | 2019-03-29 | 成都工业学院 | A kind of chromate waste water processing unit and its method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504103A (en) * | 2002-11-29 | 2004-06-16 | 上海九川科技发展有限公司 | Fodder with bioactivity |
| CN101525189A (en) * | 2009-04-02 | 2009-09-09 | 葫芦岛辉宏有色金属有限公司 | Method for treating wastewater containing ammonia, vanadium, chrome and sodium sulfate |
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- 2014-12-25 CN CN201410815896.9A patent/CN104528999A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504103A (en) * | 2002-11-29 | 2004-06-16 | 上海九川科技发展有限公司 | Fodder with bioactivity |
| CN101525189A (en) * | 2009-04-02 | 2009-09-09 | 葫芦岛辉宏有色金属有限公司 | Method for treating wastewater containing ammonia, vanadium, chrome and sodium sulfate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534559A (en) * | 2019-01-28 | 2019-03-29 | 成都工业学院 | A kind of chromate waste water processing unit and its method |
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Application publication date: 20150422 |