CN105384210A - Micro-polluted source water disinfection by-product precursor treatment method - Google Patents
Micro-polluted source water disinfection by-product precursor treatment method Download PDFInfo
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- CN105384210A CN105384210A CN201510783410.2A CN201510783410A CN105384210A CN 105384210 A CN105384210 A CN 105384210A CN 201510783410 A CN201510783410 A CN 201510783410A CN 105384210 A CN105384210 A CN 105384210A
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- polluted source
- dbp
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- source water
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a micro-polluted source water disinfection by-product precursor treatment method, belonging to the technical field of environmental protection. The method is characterized by firstly mixing, drying and then grinding barks and a binder to obtain powder, then adding a sodium hydroxide solution and swamp wastewater to the powder and mixing the materials uniformly to obtain a thick mixture, then preparing the thick mixture into granules and then carrying out drying treatment, then putting the dried granules in a muffle furnace to be calcined for later use and finally putting a product into a micro-polluted source water disinfection by-product precursor, thus achieving treatment of the micro-polluted source water disinfection by-product precursor. Examples prove that the method is unique and novel, not only is simple and practicable to operate but also has the effects that the removal effects are obvious and the removal rate is more than or equal to 85%.
Description
Technical field
The invention discloses a kind of micro-polluted source water disinfection byproduct (DBP) precursor treatment process, belong to environmental protection technical field.
Background technology
Sterilization is requisite process procedure in water treatment procedure, is also the important barrier ensureing hygienic quality safety.But the disinfection byproduct (DBP) presomas such as the natural organic matter existed in water, can react with chlorine and generate chloro disinfection byproduct (DBP), become the important hidden danger that water quality is healthy and safe.Because the disinfection byproduct (DBP) such as haloform (THMs), halogen acetic acid (HAAs) exist potentially dangerous to HUMAN HEALTH, in effective control water sterilization process, disinfection byproduct (DBP) generates, and this is the major issue ensureing water quality safety, control water quality health risk.
Generally speaking, control disinfection byproduct (DBP) growing amount in water and mainly comprise following several method: disinfection byproduct (DBP) presoma is removed in strengthening before adding sterilizing agent, comprise that enhanced coagulation softens with precipitation, charcoal absorption, strengthening, membrane sepn, resin isolation, ion-exchange and method for oxidation (comprising chemical oxidation and bio-oxidation) etc.; Adopt some mode to suppress or block the approach generating disinfection byproduct (DBP); Adopt and substitute sterilizing agent or combined sterilizing technique; Some technique effectively removing DBPs is adopted to remove the disinfection byproduct (DBP) generated.Due to last link that sterilization is water treatment, disinfection byproduct (DBP) is just difficult to remove once generation, although therefore adopting some means to remove the disinfection byproduct (DBP) generated is feasible theoretically, the practical application often affected in its engineering because of process complexity and Technical Economy.For controlling the growing amount of disinfection byproduct (DBP), fundamentally still its presoma to be removed.
Process procedure the most general, crucial in this water treatment of enhanced coagulation, to the removal ability of disinfection byproduct (DBP) presoma, has best general applicability.In view of the foregoing, people form more consistent view gradually in recent years, and thinking that disinfection byproduct (DBP) presoma is removed in strengthening is the mode the most effective, feasible controlling disinfection byproduct (DBP) growing amount.Just due to this, enhanced flocculation is being recommended as the most feasible technology removed disinfection byproduct (DBP) presoma, control disinfection byproduct (DBP) generation by Environmental Protection Agency.But, tradition enhanced coagulation is to the control method of disinfection byproduct (DBP) presoma, mainly rest on flocculation agent kind and throwing amount, basicity and correlation water condition remove the impact of disinfection byproduct (DBP) presoma to enhanced coagulation, this metamorphosis that not only have ignored flocculation agent in coagulating process and the impact that disinfection byproduct (DBP) precursor form is removed thereof, do not consider yet disinfection byproduct (DBP) presoma self property and with the interaction relationship of flocculation agent different shape and reaction process.
Summary of the invention
The technical problem that the present invention mainly solves: poor for the removal ability of current traditional method to micro polluted source disinfection byproduct (DBP) presoma, the i.e. turnout of enable control by product, but fundamentally still cannot take out presoma, cause complex operation, cost is higher, remove halfway problem, provide a kind of micro-polluted source water disinfection byproduct (DBP) precursor treatment process, first the method is pulverized after getting bark and binding agent mixing oven dry, obtain powder, add sodium hydroxide solution and marsh waste water afterwards in the powder, mix to obtain viscous mixture, subsequently dope to be made after particle drying treatment again, next particle after drying is put into retort furnace to calcine, for subsequent use, finally dropped in micro-polluted source water disinfection byproduct (DBP) precursor, can process micro-polluted source water disinfection byproduct (DBP) precursor.Not only operation is simple in the present invention, and removal effect is remarkable, makes clearance reach more than 85%.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
(1) get the fresh bark that do not dry out of 200 ~ 350g and 150 ~ 180g binding agent, put into baking oven drying treatment 15 ~ 20h at 60 ~ 80 DEG C, after its complete drying, be placed in micronizer mill, pulverize 5 ~ 10min, cross 100 ~ 150 mesh sieves afterwards, obtain mixed powder;
(2) by mixed powder obtained above, add the sodium hydroxide solution that 100 ~ 200mL mass concentration is 10 ~ 15%, after mixing and stirring, leave standstill 15min, add the sewage in the waste water of 15 ~ 20mL marsh after anaerobically fermenting afterwards more wherein, mixing kneading evenly, obtains viscous mixture;
(3) by above-mentioned obtain viscous mixture take out make the granular particle that diameter is 2.8 ~ 3.2 centimetres, again put into baking oven drying treatment 5 ~ 10min at 55 ~ 70 DEG C afterwards;
(4) dried granular particle is put into retort furnace, set temperature is 800 ~ 900 DEG C, after calcining 2 ~ 3h, takes out, naturally cools to room temperature, obtain micro polluted source sorbent material, and bottling afterwards saves backup.
Application method of the present invention is: get the micro polluted source sorbent material 25 ~ 30g obtained by the present invention, puts into 3 ~ 5L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.After 20 ~ 45min, detect micro-polluted source water disinfection byproduct (DBP) precursor and obtain remarkable reduction, clearance reaches more than 85%.
The invention has the beneficial effects as follows:
(1) operation is simple, utilizes sorbent material to carry out Adsorption micro-polluted source water disinfection byproduct (DBP) precursor, without any environmental pollution;
(2) not only reduce running cost, and removal effect is remarkable, makes clearance reach more than 85%.
Embodiment
First get the fresh bark that do not dry out of 200 ~ 350g and 150 ~ 180g binding agent, put into baking oven drying treatment 15 ~ 20h at 60 ~ 80 DEG C, after its complete drying, be placed in micronizer mill, pulverize 5 ~ 10min, cross 100 ~ 150 mesh sieves afterwards, obtain mixed powder; Then by mixed powder obtained above, the sodium hydroxide solution that 100 ~ 200mL mass concentration is 10 ~ 15% is added, after mixing and stirring, leave standstill 15min, add the sewage in the waste water of 15 ~ 20mL marsh after anaerobically fermenting afterwards more wherein, mixing kneading evenly, obtains viscous mixture; Afterwards by above-mentioned obtain viscous mixture take out make the granular particle that diameter is 2.8 ~ 3.2 centimetres, again put into baking oven drying treatment 5 ~ 10min at 55 ~ 70 DEG C afterwards; Next dried granular particle is put into retort furnace, set temperature is 800 ~ 900 DEG C, after calcining 2 ~ 3h, takes out, naturally cools to room temperature, obtain micro polluted source sorbent material, and bottling afterwards saves backup; Finally by micro polluted source sorbent material obtained above 25 ~ 30g, put into 3 ~ 5L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.
Example 1
First get the fresh bark that do not dry out of 200g and 150g binding agent, put into baking oven drying treatment 15h at 60 DEG C, after its complete drying, be placed in micronizer mill, pulverize 5min, cross 100 mesh sieves afterwards, obtain mixed powder; Then by mixed powder obtained above, the sodium hydroxide solution that 100mL mass concentration is 10% is added, after mixing and stirring, leave standstill 15min, add the sewage in the waste water of 15mL marsh after anaerobically fermenting afterwards more wherein, mixing kneading evenly, obtains viscous mixture; Afterwards by above-mentioned obtain viscous mixture take out make the granular particle that diameter is 2.8 centimetres, again put into baking oven drying treatment 5min at 55 DEG C afterwards; Next dried granular particle is put into retort furnace, set temperature is 800 DEG C, after calcining 2h, takes out, naturally cools to room temperature, obtain micro polluted source sorbent material, and bottling afterwards saves backup; Finally by micro polluted source sorbent material 25g obtained above, put into 3L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.
This example operation is simple, during use, gets the micro polluted source sorbent material 25g obtained by the present invention, puts into 3L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.After 20min, detect micro-polluted source water disinfection byproduct (DBP) precursor and obtain remarkable reduction, clearance reaches 85%.
Example 2
First get the fresh bark that do not dry out of 280g and 165g binding agent, put into baking oven drying treatment 18h at 70 DEG C, after its complete drying, be placed in micronizer mill, pulverize 8min, cross 130 mesh sieves afterwards, obtain mixed powder; Then by mixed powder obtained above, the sodium hydroxide solution that 150mL mass concentration is 13% is added, after mixing and stirring, leave standstill 15min, add the sewage in the waste water of 18mL marsh after anaerobically fermenting afterwards more wherein, mixing kneading evenly, obtains viscous mixture; Afterwards by above-mentioned obtain viscous mixture take out make the granular particle that diameter is 3.1 centimetres, again put into baking oven drying treatment 8min at 65 DEG C afterwards; Next dried granular particle is put into retort furnace, set temperature is 850 DEG C, after calcining 2.5h, takes out, naturally cools to room temperature, obtain micro polluted source sorbent material, and bottling afterwards saves backup; Finally by micro polluted source sorbent material 28g obtained above, put into 4L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.
This example operation is simple, during use, gets the micro polluted source sorbent material 28g obtained by the present invention, puts into 4L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.After 35min, detect micro-polluted source water disinfection byproduct (DBP) precursor and obtain remarkable reduction, clearance reaches 88%.
Example 3
First get the fresh bark that do not dry out of 350g and 180g binding agent, put into baking oven drying treatment 20h at 80 DEG C, after its complete drying, be placed in micronizer mill, pulverize 10min, cross 150 mesh sieves afterwards, obtain mixed powder; Then by mixed powder obtained above, the sodium hydroxide solution that 200mL mass concentration is 15% is added, after mixing and stirring, leave standstill 15min, add the sewage in the waste water of 20mL marsh after anaerobically fermenting afterwards more wherein, mixing kneading evenly, obtains viscous mixture; Afterwards by above-mentioned obtain viscous mixture take out make the granular particle that diameter is 3.2 centimetres, again put into baking oven drying treatment 10min at 70 DEG C afterwards; Next dried granular particle is put into retort furnace, set temperature is 900 DEG C, after calcining 3h, takes out, naturally cools to room temperature, obtain micro polluted source sorbent material, and bottling afterwards saves backup; Finally by micro polluted source sorbent material 30g obtained above, put into 5L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.
This example operation is simple, during use, gets the micro polluted source sorbent material 30g obtained by the present invention, puts into 5L micro-polluted source water disinfection byproduct (DBP) precursor, mixing and stirring.After 45min, detect micro-polluted source water disinfection byproduct (DBP) precursor and obtain remarkable reduction, clearance reaches 90%.
Claims (1)
1. a micro-polluted source water disinfection byproduct (DBP) precursor treatment process, is characterized in that concrete operation step is:
(1) get the fresh bark that do not dry out of 200 ~ 350g and 150 ~ 180g binding agent, put into baking oven drying treatment 15 ~ 20h at 60 ~ 80 DEG C, after its complete drying, be placed in micronizer mill, pulverize 5 ~ 10min, cross 100 ~ 150 mesh sieves afterwards, obtain mixed powder;
(2) by mixed powder obtained above, add the sodium hydroxide solution that 100 ~ 200mL mass concentration is 10 ~ 15%, after mixing and stirring, leave standstill 15min, add the sewage in the waste water of 15 ~ 20mL marsh after anaerobically fermenting afterwards more wherein, mixing kneading evenly, obtains viscous mixture;
(3) by above-mentioned obtain viscous mixture take out make the granular particle that diameter is 2.8 ~ 3.2 centimetres, again put into baking oven drying treatment 5 ~ 10min at 55 ~ 70 DEG C afterwards;
(4) dried granular particle is put into retort furnace, set temperature is 800 ~ 900 DEG C, after calcining 2 ~ 3h, takes out, naturally cools to room temperature, obtain micro polluted source sorbent material, and bottling afterwards saves backup;
(5) by micro polluted source sorbent material obtained above 25 ~ 30g, 3 ~ 5L micro-polluted source water disinfection byproduct (DBP) precursor is put into, mixing and stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783410.2A CN105384210A (en) | 2015-11-14 | 2015-11-14 | Micro-polluted source water disinfection by-product precursor treatment method |
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| CN201510783410.2A CN105384210A (en) | 2015-11-14 | 2015-11-14 | Micro-polluted source water disinfection by-product precursor treatment method |
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| CN105384210A true CN105384210A (en) | 2016-03-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63500019A (en) * | 1985-06-07 | 1988-01-07 | ゼイロン，ステン | contact device |
| CN101239305A (en) * | 2008-03-06 | 2008-08-13 | 上海交通大学 | Method for preparing modified plant fibrous sale price biological adsorption agent |
| CN104148027A (en) * | 2014-07-18 | 2014-11-19 | 常州大学 | Preparation method for adsorbing material for removing cadmium from slightly-polluted water body |
| CN104475046A (en) * | 2014-12-26 | 2015-04-01 | 西昌学院 | Method for preparing adsorbent from waste crop straws as well as use method and regeneration method of adsorbent |
-
2015
- 2015-11-14 CN CN201510783410.2A patent/CN105384210A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63500019A (en) * | 1985-06-07 | 1988-01-07 | ゼイロン，ステン | contact device |
| CN101239305A (en) * | 2008-03-06 | 2008-08-13 | 上海交通大学 | Method for preparing modified plant fibrous sale price biological adsorption agent |
| CN104148027A (en) * | 2014-07-18 | 2014-11-19 | 常州大学 | Preparation method for adsorbing material for removing cadmium from slightly-polluted water body |
| CN104475046A (en) * | 2014-12-26 | 2015-04-01 | 西昌学院 | Method for preparing adsorbent from waste crop straws as well as use method and regeneration method of adsorbent |
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Application publication date: 20160309 |
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