CN105129937A - Composite coagulant and method for refined oil storage oil-containing sewage treatment - Google Patents
Composite coagulant and method for refined oil storage oil-containing sewage treatment Download PDFInfo
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- CN105129937A CN105129937A CN201510500832.4A CN201510500832A CN105129937A CN 105129937 A CN105129937 A CN 105129937A CN 201510500832 A CN201510500832 A CN 201510500832A CN 105129937 A CN105129937 A CN 105129937A
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Abstract
The present invention discloses a composite coagulant for refined oil storage oil-containing sewage treatment. The composite coagulant comprises an agent A and an agent B, wherein the agent A is prepared from the following raw materials by weight: 10-40% of Ca(OH)2, 20-50% of sodium carbonate, 15-50% of diatomaceous earth, and 2-20% of powder active carbon, and the agent A is prepared from the following raw materials by weight: 10-30% of magnesium sulfate, 30-60% of ferrous sulfate, and 30-60% of polyferric sulfate. The present invention further discloses a method for refined oil storage oil-containing sewage treatment, wherein the method comprises: 1, deoiling refined oil storage oil-containing sewage, and 2, adding the agent A to the deoiled refined oil storage oil-containing sewage, stirring, adding the agent B after uniformly stirring, and carrying out a precipitation reaction. According to the present invention, the water-soluble organic matters incapable of being removed by the conventional coagulants can be effectively removed, and the oil storage sewage treatment requirements with different pollutant concentrations can be met.
Description
Technical field
The invention belongs to sewage treatment area, particularly relate to a kind of compound coagulant for product oil storage field oily water treatment and method.
Background technology
Product oil storage field oily(waste)water is mainly derived from reservoir area early-stage rainwater, ground flushing water, oil tank cut water, tank-cleaning operation draining, loading and unloading operation draining etc.Product oil storage field oily(waste)water water quality singularity is to also have the vapour such as methyl tertiary butyl ether (MTBE) water-soluble in a large number except petroleum-type, diesel-dope, and current product oil storage field many employings oil trap-coagulation air-float-filtration process process oily(waste)water, in this cover technical process, coagulate gas floating process can to remove dispersed oil in sewage by adding conventional coagulant polymeric aluminium chloride (PAC) and polyacrylamide (PAM) etc. in conjunction with air-floating apparatus, oil in water emulsion isocolloid material, for vapour such as water-soluble methyl tertiary butyl ethers (MTBE), diesel-dope does not have removal effect, cause dirty Organic substance in water (COD) severe overweight.
Biochemical process is one of effective means removing organic cod in sewage, but due to oil depot oily(waste)water intermittently discharged, the features such as water quality, water yield fluctuation change is large, Biodegradability of Wastewater difference, most enterprises biochemical treatment unit can not steady running.
As can be seen here, prior art awaits further improving.
Summary of the invention
The present invention is the weak point avoiding above-mentioned prior art to exist, and provides a kind of compound coagulant for product oil storage field oily water treatment and the method that effectively can remove organic cod in sewage.
The technical solution adopted in the present invention is:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
210 ~ 40%, sodium carbonate 20 ~ 50%, diatomite 15 ~ 50%, Powdered Activated Carbon 2 ~ 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10 ~ 30%, ferrous sulfate 30 ~ 60%, bodied ferric sulfate 30 ~ 60%.
Preferably, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220 ~ 30%, sodium carbonate 30 ~ 45%, diatomite 25 ~ 45%, Powdered Activated Carbon 5 ~ 15%.
Preferably, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 15 ~ 25%, ferrous sulfate 45 ~ 60%, bodied ferric sulfate 45 ~ 60%.
The invention also discloses a kind of method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: oil removal treatment is carried out to product oil storage field oily(waste)water;
Step 2: stir in sewage after medicament A is added product oil storage field oil removing, add medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
210 ~ 40%, sodium carbonate 20 ~ 50%, diatomite 15 ~ 50%, Powdered Activated Carbon 2 ~ 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10 ~ 30%, ferrous sulfate 30 ~ 60%, bodied ferric sulfate 30 ~ 60%.
Preferably, in described step 2, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220 ~ 30%, sodium carbonate 30 ~ 45%, diatomite 25 ~ 45%, Powdered Activated Carbon 5 ~ 15%.
Preferably, in described step 2, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 15 ~ 25%, ferrous sulfate 45 ~ 60%, bodied ferric sulfate 45 ~ 60%.
Owing to have employed technique scheme, the beneficial effect acquired by the present invention is:
1, the coagulating agent in the present invention can remove the water-soluble organism that traditional coagulating agent cannot be removed.
2, the coagulating agent in the present invention can solve product oil storage field oily(waste)water COD process problem not up to standard.
3, the coagulating agent in the present invention is wide to the water quality scope of application, can meet the oil depot sewage disposal demand of different Pollutant levels.
4, the method safety for the treatment of product oil storage field sewage in the present invention, efficient, Absorbable organic halogens operation, and reusable, and reagent cost is low.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiments.
Embodiment 1:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
210%, sodium carbonate 20%, diatomite 50%, Powdered Activated Carbon 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 30%, bodied ferric sulfate 30%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2561mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
210%, sodium carbonate 20%, diatomite 50%, Powdered Activated Carbon 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 30%, bodied ferric sulfate 30%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 87.5%.
Embodiment 2:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
230%, sodium carbonate 30%, diatomite 25%, Powdered Activated Carbon 15%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 25%, ferrous sulfate 45%, bodied ferric sulfate 30%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
230%, sodium carbonate 30%, diatomite 25%, Powdered Activated Carbon 15%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 25%, ferrous sulfate 45%, bodied ferric sulfate 30%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 91.3%.
Embodiment 3:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220%, sodium carbonate 50%, diatomite 15%, Powdered Activated Carbon 15%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 15%, ferrous sulfate 40%, bodied ferric sulfate 45%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220%, sodium carbonate 50%, diatomite 15%, Powdered Activated Carbon 15%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 15%, ferrous sulfate 40%, bodied ferric sulfate 45%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 93.6%.
Embodiment 4:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
240%, sodium carbonate 20%, diatomite 38%, Powdered Activated Carbon 2%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 30%, ferrous sulfate 40%, bodied ferric sulfate 30%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
240%, sodium carbonate 20%, diatomite 38%, Powdered Activated Carbon 2%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 30%, ferrous sulfate 40%, bodied ferric sulfate 30%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 88.4%.
Embodiment 5:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
225%, sodium carbonate 45%, diatomite 25%, Powdered Activated Carbon 5%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 60%, bodied ferric sulfate 30%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
225%, sodium carbonate 45%, diatomite 25%, Powdered Activated Carbon 5%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 60%, bodied ferric sulfate 30%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 89.7%.
Embodiment 6:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220%, sodium carbonate 20%, diatomite 45%, Powdered Activated Carbon 15%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 30%, bodied ferric sulfate 60%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220%, sodium carbonate 20%, diatomite 45%, Powdered Activated Carbon 15%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 30%, bodied ferric sulfate 60%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 88.9%.
Embodiment 7:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220%, sodium carbonate 40%, diatomite 30%, Powdered Activated Carbon 10%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 16%, ferrous sulfate 42%, bodied ferric sulfate 42%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220%, sodium carbonate 40%, diatomite 30%, Powdered Activated Carbon 10%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 16%, ferrous sulfate 42%, bodied ferric sulfate 42%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 92.1%.
Embodiment 8:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
225%, sodium carbonate 40%, diatomite 25%, Powdered Activated Carbon 10%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 20%, ferrous sulfate 35%, bodied ferric sulfate 45%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
225%, sodium carbonate 40%, diatomite 25%, Powdered Activated Carbon 10%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 20%, ferrous sulfate 35%, bodied ferric sulfate 45%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 94.2%.
Embodiment 9:
For a compound coagulant for product oil storage field oily water treatment, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
215%, sodium carbonate 40%, diatomite 25%, Powdered Activated Carbon 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 45%, bodied ferric sulfate 45%.
For a method for product oil storage field oily water treatment, the method comprises the steps:
Step 1: carrying out sample thief 500ML, the COD after testing in sample after oil removal treatment to product oil storage field oily(waste)water is 2248mg/L;
Step 2: get 2.5g medicament A, being added by medicament A in above-mentioned sample and to stir, add 1g medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
215%, sodium carbonate 40%, diatomite 25%, Powdered Activated Carbon 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10%, ferrous sulfate 45%, bodied ferric sulfate 45%.
After 3 hours, sample is detected, find that the clearance of COD in sample is 90.1%.
Specific embodiment described herein is only to spiritual example explanation of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1. for a compound coagulant for product oil storage field oily water treatment, it is characterized in that, comprise medicament A and medicament B, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
210 ~ 40%, sodium carbonate 20 ~ 50%, diatomite 15 ~ 50%, Powdered Activated Carbon 2 ~ 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10 ~ 30%, ferrous sulfate 30 ~ 60%, bodied ferric sulfate 30 ~ 60%.
2. a kind of compound coagulant for product oil storage field oily water treatment according to claim 1, it is characterized in that, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220 ~ 30%, sodium carbonate 30 ~ 45%, diatomite 25 ~ 45%, Powdered Activated Carbon 5 ~ 15%.
3. a kind of compound coagulant for product oil storage field oily water treatment according to claim 1 and 2, it is characterized in that, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 15 ~ 25%, ferrous sulfate 45 ~ 60%, bodied ferric sulfate 45 ~ 60%.
4. for a method for product oil storage field oily water treatment, it is characterized in that, the method comprises the steps:
Step 1: oil removal treatment is carried out to product oil storage field oily(waste)water;
Step 2: stir in sewage after medicament A is added product oil storage field oil removing, add medicament B after stirring, and carry out precipitin reaction, wherein, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
210 ~ 40%, sodium carbonate 20 ~ 50%, diatomite 15 ~ 50%, Powdered Activated Carbon 2 ~ 20%, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 10 ~ 30%, ferrous sulfate 30 ~ 60%, bodied ferric sulfate 30 ~ 60%.
5. a kind of method for product oil storage field oily water treatment according to claim 4, is characterized in that, in described step 2, medicament A is formulated according to following weight percent by following raw material: Ca (OH)
220 ~ 30%, sodium carbonate 30 ~ 45%, diatomite 25 ~ 45%, Powdered Activated Carbon 5 ~ 15%.
6. a kind of method for product oil storage field oily water treatment according to claim 4 or 5, it is characterized in that, in described step 2, medicament B is formulated according to following weight percent by following raw material: magnesium sulfate 15 ~ 25%, ferrous sulfate 45 ~ 60%, bodied ferric sulfate 45 ~ 60%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045108A (en) * | 2016-06-30 | 2016-10-26 | 云南森海清洋科技有限公司 | Beneficiation wastewater treatment agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050008A (en) * | 2007-04-04 | 2007-10-10 | 新疆时代石油工程有限公司 | Method for treating water cut out from oil field |
| CN101327976A (en) * | 2008-07-15 | 2008-12-24 | 南通立源水处理技术有限公司 | Efficient water treatment flocculant |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
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2015
- 2015-08-14 CN CN201510500832.4A patent/CN105129937B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050008A (en) * | 2007-04-04 | 2007-10-10 | 新疆时代石油工程有限公司 | Method for treating water cut out from oil field |
| CN101327976A (en) * | 2008-07-15 | 2008-12-24 | 南通立源水处理技术有限公司 | Efficient water treatment flocculant |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045108A (en) * | 2016-06-30 | 2016-10-26 | 云南森海清洋科技有限公司 | Beneficiation wastewater treatment agent |
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