RU1799362C - Method for purification sewage against suspended substances - Google Patents
Method for purification sewage against suspended substancesInfo
- Publication number
- RU1799362C RU1799362C SU904881830A SU4881830A RU1799362C RU 1799362 C RU1799362 C RU 1799362C SU 904881830 A SU904881830 A SU 904881830A SU 4881830 A SU4881830 A SU 4881830A RU 1799362 C RU1799362 C RU 1799362C
- Authority
- RU
- Russia
- Prior art keywords
- sludge
- treatment
- purification
- degree
- suspended substances
- Prior art date
Links
- 238000000746 purification Methods 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 title claims description 7
- 239000010865 sewage Substances 0.000 title description 2
- 239000000126 substance Substances 0.000 title 1
- 239000010802 sludge Substances 0.000 claims abstract description 14
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 239000012267 brine Substances 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000010840 domestic wastewater Substances 0.000 abstract description 2
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Использование: на станци х биологической очистки бытовых и промышленных сточных вод при очистке от активного ила. Сущность изобретени : при очистке используют в качестве ут желител шламовый отход производства рассола поваренной соли в количестве 0,2-0,6 г/л, что позвол ет повысить степень очистки на 2-2,1%, уплотнить осадок и снизить себестоимость доочистки сточных вод от взвешенных веществ . 1 табл.Usage: at biological treatment plants for domestic and industrial wastewater during the treatment of activated sludge. The essence of the invention: when cleaning, slurry waste from the production of salt brine in the amount of 0.2-0.6 g / l is used as a cleaner, which allows to increase the degree of purification by 2-2.1%, to compact the sludge and to reduce the cost of post-treatment of wastewater water from suspended solids. 1 tab.
Description
Изобретение относитс к технологии очистки сточных вод, в частности к доочиет- ке сточных вод от взвешенных веществ, и может быть использовано на станци х биологической очистки бытовых и промышленных сточных вод при очистке от активного ила..The invention relates to a technology for wastewater treatment, in particular to the after-treatment of wastewater from suspended solids, and can be used in biological treatment plants for domestic and industrial wastewater for treatment of activated sludge.
Целью изобретени вл етс повышение степени очистки сточной воды от взве- шенных веществ за счет улучшени седиментационных свойств активного ила и повышение степени уплотнени осадка при одновременном снижении стоимости очистки .The aim of the invention is to increase the degree of purification of wastewater from suspended solids by improving the sedimentation properties of activated sludge and increasing the degree of compaction of sludge while reducing the cost of treatment.
Шламовый отход производства рассола поваренной соли содержит следующие компоненты , мас.%:Sludge waste from the production of salt brine contains the following components, wt.%:
Карбонат кальци 79-82Calcium Carbonate 79-82
Гидроксид магни 7-8Magnesium Hydroxide 7-8
НатрийсодержащиеSodium
соединени 2-3compounds 2-3
МеханическиеMechanical
примесиОстальноеimpurities
Шламовый отход образуетс при очистке рассола поваренной соли, используемого в производстве хлора и, не найд применени , сбрасываетс в шламо- накопители. .Sludge waste is generated when the brine used in the production of chlorine is cleaned and, if not found, is discharged into the sludge collectors. .
Как видно из компонентного состава, приведенного выше, шламовый отход, используемый как ут желитель взвеси, в основном содержит соли кальци в присутствии магний и натри.йсодержащих соединений,As can be seen from the composition given above, the slurry waste used as a suspension slurry mainly contains calcium salts in the presence of magnesium and sodium compounds.
В известном способе карбонат кальци используетс совместно с сернокислым алюминием, как коагул нтом.In the known method, calcium carbonate is used in conjunction with aluminum sulfate as a coagulant.
Применение карбоната кальци в виде тонкодисперсного порошка в количестве от 1-2-18 до 240 мг/л возможно только дл очистки маломутных минерализованных вод, так как эти воды представл ют собой слабоагрегзтизнр устойчивую систему. Поэтому дозировка карбоната кальци в количестве 12-18 до 240 мг/л создает услови дл коагул ции растворенных примесей.The use of calcium carbonate in the form of a fine powder in an amount of 1-2-18 to 240 mg / l is possible only for the purification of low-salinity mineralized waters, since these waters are a weakly aggregating stable system. Therefore, a dosage of calcium carbonate in an amount of 12-18 to 240 mg / L creates the conditions for coagulation of dissolved impurities.
Х090ВX090V
СWITH
Приме р. В дев ть партий цилиндров заливают по 1 л сточной воды с содержанием 1600 мг/л взвешенных веществ, Перва парти цилиндров вл етс контрольной, в которой анализируют осаждение взвешенных веществ без ут желител . В семь других партий цилиндров ввод т ут желитель - шламовый отход в количестве 0,10; 0,20; 0,40; 0,45; 0,48; 0,60; 1,0 г/л. В дев тую партию ввод т ут желитель- карбонат кальци по способу прототипу. После введени ут желител смесь отстаивают в течение 2-х часов и определ ют показатели очищенной воды. Результаты по анализам партий, состо щих из 3-х параллельных опытов, представлены в таблице.Example p. One liter of wastewater containing 1600 mg / l of suspended solids is poured into nine batches of cylinders. The first batch of cylinders is a control, in which sedimentation of suspended solids without a slurry is analyzed. Into seven other batches of cylinders, a solvent is introduced - slime waste in an amount of 0.10; 0.20; 0.40; 0.45; 0.48; 0.60; 1.0 g / l Into the ninth batch, calcium yellow carbonate is introduced according to the method of the prototype. After the addition of gel, the mixture was left to stand for 2 hours and the purified water was determined. The results of the analysis of batches consisting of 3 parallel experiments are presented in the table.
Как свидетельствуют результаты анализов , оптимальной дозой ут желител -; шла- МОЕЮГО отхода вл етс 0.20-0,60 г/л, что составл ет 12,5-37,5% от массы ила по сухому веществу, Степень очистки сточной воды при этом повысилась до 97,5% и концентраци уплотненного осадка до 13,290 г/л по сравнению с прототипом. Степень доочистки стока при введении ут желител составила 38-47% по сравнению с контрольным опытом без ут желител . Увеличение дозы ут желител свыше 0,6 г/лAccording to the results of the analyzes, the optimal dose of the gel is; sewage is 0.20-0.60 g / l, which is 12.5-37.5% by weight of sludge on a dry matter basis. The degree of wastewater treatment increased to 97.5% and the concentration of compacted sludge to 13.290 g / l compared with the prototype. The degree of post-treatment of the effluent with the introduction of iron was 38-47% in comparison with the control experiment without solvent. An increase in the dose of the gel over 0.6 g / l
00
55
00
55
(парти 7) не приводит к улучшению показателей очистки и нецелесообразно в св зи с возрастанием доли неорганических компонентов в осадке.(batch 7) does not lead to an improvement in the cleaning performance and is not practical due to an increase in the proportion of inorganic components in the precipitate.
Таким образом, поставленна цель достигаетс при введении в сточную воду шламового отхода производства рассола в количестве 0,20-0,60 г/л.Thus, the goal is achieved by introducing into the waste water sludge waste from the production of brine in an amount of 0.20-0.60 g / l.
Использование предложенного способа по сравнению с известным имеет следующие преимущества: повышение степени очистки сточной воды, уплотнение осадка, снижение себестоимости процесса очистки за счет использовани шламового отхода производства рассола поваренной соли.Using the proposed method in comparison with the known one has the following advantages: increasing the degree of wastewater treatment, compacting sludge, reducing the cost of the cleaning process through the use of slurry waste from the production of salt brine.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904881830A RU1799362C (en) | 1990-11-11 | 1990-11-11 | Method for purification sewage against suspended substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904881830A RU1799362C (en) | 1990-11-11 | 1990-11-11 | Method for purification sewage against suspended substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU1799362C true RU1799362C (en) | 1993-02-28 |
Family
ID=21544863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU904881830A RU1799362C (en) | 1990-11-11 | 1990-11-11 | Method for purification sewage against suspended substances |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU1799362C (en) |
-
1990
- 1990-11-11 RU SU904881830A patent/RU1799362C/en active
Non-Patent Citations (1)
| Title |
|---|
| 1. За вка JP № 61-50038, кл. С 02 F3/12, 1986. 2. Бабенков Е.Д. Очистка воды коагул нтами. М.: Наука, 1977, с. 261. * |
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