SU827414A1 - Method of waste water purification from nitrites - Google Patents

Method of waste water purification from nitrites Download PDF

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Publication number
SU827414A1
SU827414A1 SU762324529A SU2324529A SU827414A1 SU 827414 A1 SU827414 A1 SU 827414A1 SU 762324529 A SU762324529 A SU 762324529A SU 2324529 A SU2324529 A SU 2324529A SU 827414 A1 SU827414 A1 SU 827414A1
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SU
USSR - Soviet Union
Prior art keywords
nitrites
waste water
water purification
urea
treatment
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SU762324529A
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Russian (ru)
Inventor
Сергей Александрович Тупоногов
Леонид Филиппович Шестаков
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Предприятие П/Я М-5618
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Priority to SU762324529A priority Critical patent/SU827414A1/en
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Publication of SU827414A1 publication Critical patent/SU827414A1/en

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  • Treatment Of Water By Oxidation Or Reduction (AREA)

Description

({н  этих реагентов начинаетс  вылс.кчшс азота и двуокиси углерода.({n of these reagents start from nitrogen and carbon dioxide.

11 |) и мер. Очнстке от ннтрнтои iinjiscpi-ают отработанный те.хно.югнческнй раствор, содержащий 5 г/л ннтр1гга натри . Ilpoueci очистки осущести.т ют нспосредствеино i; гехно/1О1ической ванне. В f)acTB();:i ввод т 1,1 .т серной кнс,1()ты с }-де, несом 1.8 г/с.г и иемед.ченно за ней 1,8 К1 мочевнны . Д.т  создани  yc.ioiiiiii рар,номе)иог1 распределени  и взапмодоГ1ст1И1  комионеигов растиор Hepe.vieiHHiiaioT сжаты.и |;()чдухом .11 |) and measures. First of all from the iinjiscpi is a spent technical solution containing 5 g / l sodium hydroxide solution. Ilpoueci cleaning is carried out by means of i; Gehno / 1O1 bath. In f) acTB () ;: i, 1.1. Tons of sulfuric acid are introduced, 1 () you are with} -de, carried 1.8 g / s.g and imed. Often 1.8 K1 is urea. D.t create yc.ioiiiiii rar, nome) iog1 distribution and vzapmodogo1st1I1 komioneigov rastor Hepe.vieiHHiaiaioT szhatiy.i |; () duhukh.

Ироцеес очистки иротекаст с бурным (ыде,чением газа и длитс  3 мил. (Содержание нитрита в |е.но,то1ическом растиоре н.ос.пе очистки 0,3 MI/.I.Irocees irotekast cleaning with stormy (gas, gas, and lasts for 3 mil. (The content of nitrite in | e.no, the same solution nos.pe cleaning 0.3 MI / .I.

В таб.тлце иредста1),|еиа эффекгнниосг), очистки сточных вод от нитритов и.чвестным способом и обработкой воды ын1 ералы1ои кислотой и мочев1н(ой.In the table of the distillery (1), | eia effluent), wastewater treatment of nitrites using the well-known method and water treatment with an acid and urea (oops.

Г1з тао,111ы видно, что ири очистке ст(;члой воды обработкой ce)ioii кислотой и мочеиииои clxMieiii. очистки or 111гг)итов увеличиваетс  в 280 раз, а ироизводиельиост|, снособа в Tpir раза. Кроме этого в этом способе иск,-110частс  образование токсичных окислов азота и обесиечиваетс  безопасна  очлстка сточны.х вод с высоким содержанием нитритои, такнл как отработанные ,т(иические растворы нитрита натри . нрн(ен емт)1е д,1  насеивании Mcra.i/iosФ о р м у .I а и ;; о б р е т С н и лIt can be seen that the cleaning of the st (with water by treatment of ce) ioii with acid and urine and clxMieiii. or 111g) itov increases by a factor of 280 and Tpir times the removal method. In addition, in this method, a claim, -110of the formation of toxic nitrogen oxides, and safe disposal of effluent waters with a high content of nitrite, as well as spent, tons (chemical solutions of sodium nitrite nrn (enemt) 1e d, 1 sowing Mcra.i / iosF o rm y .I a i ;; o b e c S n and l

1.()6 очистки с1очиьг вод or ннгригов , вк,1К)ча1О1ннн об|)абогку кис.и;т(, о; .I п ч ;| io 1Н II ii с   1ем, чти. с nc. ис1чЛ1опеки  выде,чени  т(JKcичll,l. га.юв, новын1е 1и  стенеии очнсгкн н ироизноднте.чьносги, об)аб() ве. мннсра.п.нсл KHC/IOTOII с иое.чедуюиц VI иемед.ченны.м введением мочевнны .1. () 6 purification of water with orbits, vk, 1K) 11O1nnn about |) abogku kis.i; t (, o; .In h; | io1H II ii with 1, honor with nc. Is1HL1opeki vyde, cheni t (JKcichll, l. ha. Juv, nov1e 1 and stenii otchsngn n iznodiznten.chnosgi, ob) ab () vei mnrasrap.nsl KHC / IOTOII with ioi.cheduyitsi VI and the number of uchennym. introduction urea.

2.Способ но н. 1, оГ .1 II ч а () mii н с и гем, что ми11е)а.1ьиу1о кне.иугу и ,ин в1Н)д г р, количестве, превышающем стехиометрическое cooiнои1еиие на 10 loiii.2. Method n. 1, OH .1 II h () mii ns and heme, which is mi1e1.1iu1o kne.iugu and, inb1H) dgr, the amount exceeding the stoichiometric cooler ileiiiiee 10 loiii.

Источники инфор.маиии, и)ии т1,1е во внимание ири )г i-cst,Sources informaiiiii, and) and t1,1e into account iri) g i-cst,

1. Патент ФРГ № 1935273. кл. С 0.2 5/02, 1975 (ирототии).1. Patent of Germany No. 1935273. class. C 0.2 5/02, 1975 (irototia).

Claims (2)

Ф о р м у л а и а о б р е т е и и яFORMULA AND ABOUT AND I 1. Способ очистки сточных вод от нитритов. включающий обработку кислотой, от л и ч a io in и йс я тем. что. с целью псклю чення выделения токсичных газов, повыше1. The method of wastewater treatment from nitrites. including treatment with acid, from l and h a io in and js that. what. in order to increase the emission of toxic gases, higher 20 иия степени очистки и производительности обработку ведут минеральной кислотой последующим немедленным введением мочевины.20 stages of purification and productivity, the treatment is carried out with mineral acid followed by the immediate introduction of urea. 2. Способ но и. 1. отличающийся2. The method but also. 1. different 25 тем, что минеральную кислоту и мочевину вводят в количестве, превышающем стехиометрическое соотношение на 10 15%.25 in that the mineral acid and urea are introduced in an amount exceeding the stoichiometric ratio by 10 15%.
SU762324529A 1976-02-16 1976-02-16 Method of waste water purification from nitrites SU827414A1 (en)

Priority Applications (1)

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SU762324529A SU827414A1 (en) 1976-02-16 1976-02-16 Method of waste water purification from nitrites

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Application Number Priority Date Filing Date Title
SU762324529A SU827414A1 (en) 1976-02-16 1976-02-16 Method of waste water purification from nitrites

Publications (1)

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SU827414A1 true SU827414A1 (en) 1981-05-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556491A (en) * 1983-09-29 1985-12-03 Air Products And Chemicals, Inc. Avoidance of rising sludge in biological wastewater treatment clarifiers
FR2630727A1 (en) * 1988-05-02 1989-11-03 Wieland Edelmetalle METHOD AND DEVICE FOR THE TREATMENT OF WASTEWATER WITH NITRITES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556491A (en) * 1983-09-29 1985-12-03 Air Products And Chemicals, Inc. Avoidance of rising sludge in biological wastewater treatment clarifiers
FR2630727A1 (en) * 1988-05-02 1989-11-03 Wieland Edelmetalle METHOD AND DEVICE FOR THE TREATMENT OF WASTEWATER WITH NITRITES
AT396920B (en) * 1988-05-02 1993-12-27 Wieland Edelmetalle DEVICE FOR TREATING NITRITE WASTE

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