CN1186048A - Composite flocculent - Google Patents
Composite flocculent Download PDFInfo
- Publication number
- CN1186048A CN1186048A CN97116230A CN97116230A CN1186048A CN 1186048 A CN1186048 A CN 1186048A CN 97116230 A CN97116230 A CN 97116230A CN 97116230 A CN97116230 A CN 97116230A CN 1186048 A CN1186048 A CN 1186048A
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- CN
- China
- Prior art keywords
- milligram
- breakdown
- emulsion
- aluminium sesquioxide
- sulfurous gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A compound coagulant can be used to treat black paper-making liquid and waste water for cyclic use by supplying it twice and split-flow clarification. Said coagulant serves to both deemulsifyfor flocculation and reduce viscosity, as well as to extract lignin.
Description
The present invention is mainly used in black liquid and interrupts wastewater treatment.
The black liquor of papermaking at present and the pollution of interrupting waste water are China's difficult problems in the water technology for many years always, the serious water quality of polluting water resources.Paper industry can make waste water closed cycle qualified discharge not be reported at present.
Designed a kind of compound coagulant at above-mentioned situation the present invention, utilized the compound coagulant secondary to advance medicine, shunting purifies, and wastewater to reach standard is recycled.
The present invention is achieved in that a kind of compound coagulant effective ingredient has: aluminium sesquioxide, anti-breakdown of emulsion, titanium dioxide two magnesium, sulfurous gas.
Alkaline process: aluminium sesquioxide 35-40% milligram, anti-breakdown of emulsion 2-2.5% milligram;
Acid system: aluminium sesquioxide 33-34% milligram, anti-breakdown of emulsion 3-3.5% milligram,
0.01% milligram of magnesium dioxide, 0.04% milligram of sulfurous gas;
Lime method: aluminium sesquioxide 31-32% milligram, anti-breakdown of emulsion 4-4.5% milligram;
Method of reproduction: aluminium sesquioxide 29-30% milligram, anti-breakdown of emulsion 3-5.5 milligram;
Alkali technique pulp: aluminium sesquioxide 27-28% milligram, anti-breakdown of emulsion 6-6.5% milligram, 0.015% milligram of magnesium dioxide, 0.012% milligram of sulfurous gas;
Ammonia pulping: aluminium sesquioxide 25-26% milligram, anti-breakdown of emulsion 6.5-7% milligram.
Compound coagulant can breakdown of emulsion flocculation again can viscosity reduction, can extract xylogen, turn waste into wealth, waste water can recycle, and saves water resources.
The key technical indexes: basicity (B%) 〉=45, PH 〉=3.15-5, basicity 〉=3.5.
The method of system compound coagulant is that aluminium sesquioxide is dropped into reactor by every kind of proportion requirement with softening water dilution back, again anti-breakdown of emulsion is heated and drop into reactor after 40 ℃, more than two kinds of compositions reaction 4 hours, again magnesium dioxide and sulfurous gas are dropped into reactor by every kind of proportion requirement, react and go out compound coagulant after 8 hours.
Claims (1)
1, a kind of compound coagulant major ingredient has aluminium sesquioxide, anti-breakdown of emulsion, magnesium dioxide and sulfurous gas, it is characterized in that:
Alkaline process: aluminium sesquioxide 35-40% milligram, anti-breakdown of emulsion 2-2.5% milligram;
Acid system: aluminium sesquioxide 33-34% milligram, anti-breakdown of emulsion 3-3.5% milligram;
0.01% milligram of magnesium dioxide, 0.04% milligram of sulfurous gas.
Lime method: aluminium sesquioxide 31-32% milligram, anti-breakdown of emulsion 4-4.5% milligram;
Method of reproduction: aluminium sesquioxide 29-30% milligram, anti-breakdown of emulsion 3-5.5 milligram;
Alkali technique pulp: aluminium sesquioxide 27-28% milligram, anti-breakdown of emulsion 6-6.5% milligram, 0.015% milligram of magnesium dioxide, 0.012% milligram of sulfurous gas;
Ammonia pulping: aluminium sesquioxide 25-26% milligram, anti-breakdown of emulsion 6.5-7% milligram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97116230A CN1186048A (en) | 1997-09-04 | 1997-09-04 | Composite flocculent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97116230A CN1186048A (en) | 1997-09-04 | 1997-09-04 | Composite flocculent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1186048A true CN1186048A (en) | 1998-07-01 |
Family
ID=5173708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97116230A Pending CN1186048A (en) | 1997-09-04 | 1997-09-04 | Composite flocculent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1186048A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103525870A (en) * | 2013-10-23 | 2014-01-22 | 嘉兴学院 | Microbial flocculant as well as preparation method and application thereof |
-
1997
- 1997-09-04 CN CN97116230A patent/CN1186048A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103525870A (en) * | 2013-10-23 | 2014-01-22 | 嘉兴学院 | Microbial flocculant as well as preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |