CN104743687A - Phosphorus-free water treatment agent - Google Patents
Phosphorus-free water treatment agent Download PDFInfo
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- CN104743687A CN104743687A CN201510100693.6A CN201510100693A CN104743687A CN 104743687 A CN104743687 A CN 104743687A CN 201510100693 A CN201510100693 A CN 201510100693A CN 104743687 A CN104743687 A CN 104743687A
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- maleic anhydride
- water treatment
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- phosphorus
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Abstract
The invention relates to a phosphorus-free water treatment agent. The phosphorus-free water treatment agent comprises the following components in percentage by weight: 30-50% of polyepoxysuccinic acid, 10-15% of alkyl epoxy carboxylate, 15-25% of maleic anhydride grafted copolymer, 1-5% of zinc salt, and 5-10% of bactericide. The maleic anhydride grafted copolymer is used as a dispersing agent of the phosphorus-free water treatment agent provided by the invention; the maleic anhydride grafted copolymer is diverse in selectivity and can comprise a maleic anhydride grafted natural polymeric compound obtained through grafting reaction of a maleic anhydride grating reaction compound, a natural polymeric compound and maleic anhydride, a copolymer obtained through copolymerization of the maleic anhydride grafted natural polymeric compound and an acrylic monomer, and a maleic acid-acrylic acid copolymer. The above components also have the effect of assisting to inhibit scale simultaneously; the scale inhibiting effect can be improved synergetically; and the practicability of the water treatment agent, even with low concentration, can be ensured.
Description
Technical field
The invention belongs to sewage treatment area, especially a kind of without phosphorus water treatment agent.
Background technology
At present, the agent of industrial circulating cooling water sewerage disposing is mainly phosphorus system product, the whole nation is every year for the nearly 100kt of phosphorus of anti-incrustation corrosion inhibitor production, but these phosphorus compounds finally can as waste discharge in natural water, larger pollution is caused to environment, simultaneously, also day by day exhausted as a kind of Nonrenewable resources at China's phosphorus ore, reserves only can be maintained to 2050-2060, one of 20 mineral reserve kinds that can not meet national economic development demand after Ministry of Land and Resources lists phosphorus ore in 2010 years, therefore, the without phosphorus water treatment agent of applied environment close friend, become the only way of China's water technology development.
In circulating water system, mainly there is fouling, corrosion and harms of microbe three aspect problem.Prevent scaling and corrosion most convenient and effective means adds corrosion inhibiting and descaling agent in recirculated water.China's industrial circulating cooling water treatment formulations chemical progressively develops into the compound based on phosphorus line formulation by initial phosphorus system, molybdenum system, silicon system and chromium system etc., its host is the corrosion inhibiting and descaling agent that phosphonate group (-P03H2) is directly connected with carbon atom, is often referred to as organic phospho acid.They mainly comprise 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP), Amino Trimethylene Phosphonic Acid (ATMP), ethylene diamine tetra methylene phosphonic acid (EDTMP), diethylene triamine pentamethylene phosphonic (DETPMP), 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid (HPAA) etc.
Conventional organic phospho acid can not suppress the problem of calcium phosphate scale and zinc dirt and solution iron oxide precipitation effectively, and itself easily forms calcium phosphate scale, greatly reduces the heat transfer efficiency of system.In addition, because of the element that phosphorus is again bacterium algae propagation, the water treatment of phosphorus system and phosphorus content high, be discharged into after in environment, the eutrophication of water body can be caused, form the harm such as " red tide ", cause serious water pollution, thus need with low-phosphorous and or without phosphorus, biodegradable environmentally friendly water conditioner replace.China has required the discharge≤0.5mg of phosphorus several (DBl2/356-2008), several in total phosphorus≤1.5mg, and conventional organic phosphine formula is generally several at 4-10mg at the content of total phosphorus in circulating water, and therefore the application of conventional organic phosphine will be restricted.
CNl02139968A discloses one " efficient low-phosphorus corrosion and scale inhibitor and its preparation method and application ", by 2-phosphonic acid butane-1,2,4-tricarboxylic acid (PBTCA), polyamino polyether base methylenephosphonic acid (PAPEMP), 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid (HPAA), thiazole, Zinc Chloride Anhydrous, vinylformic acid-2-methyl-acryamidopropanesulfonic acid (AA/AMPS) multipolymer composition, adding concentration is that 20-80mg is several, be applicable to chlorion and be less than several circulating water quality of 1000mg, environmental protection, low-phosphorous.Polyamino polyether base methylenephosphonic acid (PAPEMP) in this invention, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid (HPAA) are all conventional organic phospho acid, phosphorus content is relatively low, 2-hydroxyethylidene diphosphonic acid guanidine-acetic acid (HPAA) phosphorus content is greater than 27%, the phosphorated material adopted in this invention compound prescription is too much, and not readily biodegradable, reality is not low-phosphorous, and dosage is large, also not environmentally.
Therefore, a kind of readily biodegradable need be developed, be conducive to environment protection, the really low-phosphorous composite water treatment medicament with excellent anticorrosion-antiscaling effect being suitable for various water quality, different multiplying.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, the without phosphorus water treatment agent that a kind of performance scale-inhibiting properties is good, sterilization effect is good is provided.
The technical scheme that the present invention realizes object is as follows:
A kind of without phosphorus water treatment agent, is characterized in that: composition and weight percent as follows:
And, the graft copolymer of described maleic anhydride comprises: the copolyreaction that the graft reaction compound natural high moleculer eompound of maleic anhydride and the graft reaction of maleic anhydride obtain maleic anhydride graft natural high moleculer eompound, maleic anhydride graft natural high moleculer eompound and acrylic monomer obtains multipolymer, maleic acid-acrylic acid copolymer.
And, described sterilant comprises at least two kinds of mixtures in polyquaternium, SPC-640B, SPC-1102.
And, the consisting of of described sterilant, weight percent:
Polyquaternium 1-5
SPC-640B 1-5
SPC-1102 1-3；
Described weight percent is the weight percent accounting for total amount.
Advantage of the present invention and positively effect as follows:
1, the main Scale inhibitors of a kind of without phosphorus water treatment agent provided by the invention is poly-epoxy succinic acid, effectively can hinder calcium carbonate scale, simultaneously auxiliary with alkyl oxidation carboxylate salt, for hindering phosphoric acid salt dirt, the two complements each other and can stop most of incrustation scale in recirculated water, prove by experiment, effect is fairly obvious.
2, a kind of without phosphorus water treatment agent provided by the invention adopts the graft copolymer of maleic anhydride as dispersion agent, its selection is various, the graft reaction of the graft reaction compound natural high moleculer eompound and maleic anhydride that can comprise maleic anhydride obtains maleic anhydride graft natural high moleculer eompound, the copolyreaction of maleic anhydride graft natural high moleculer eompound and acrylic monomer obtains multipolymer, maleic acid-acrylic acid copolymer, mentioned component also has the effect of auxiliary scale inhibition simultaneously, increase scale inhibition effect can be worked in coordination with, even if ensure that water treatment agent is in lower concentration practicality.
3, the combined bactericide of the sterilant employing of a kind of without phosphorus water treatment agent provided by the invention, three kinds of components have different sterilization effects, effectively prevent miscellaneous bacteria in recirculated water from growing, and postpone the utility time of recirculated water, reduce miscellaneous bacteria kind and quantity in discharge water body, ensure water treatment efficiency.
Embodiment
Below in conjunction with embodiment, following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
A kind of without phosphorus water treatment agent, composition and weight percent as follows:
In order to absolutely prove the excellent properties of product of the present invention, spy provides two kinds of comparatively excellent recipe ingredients, but is not limited to following two kinds of recipe ingredients, provides the performance utilizing these two kinds of Product checking products of the present invention simultaneously.
Embodiment 1
A kind of without phosphorus water treatment agent, composition and weight percent as follows:
The graft copolymer of described maleic anhydride is the graft reaction compound natural high moleculer eompound of maleic anhydride.
By above-mentioned substance proportionally requirement, stir in water.The various performances of proved embodiment product are as shown in table 1 by experiment.
Embodiment 2
A kind of without phosphorus water treatment agent, composition and weight percent as follows:
By above-mentioned substance proportionally requirement, stir in water.The various performances of proved embodiment product are as shown in table 1 by experiment.
Adopt the water treatment agent of embodiment 1 and embodiment 2 to carry out following experiment, result is as follows:
The conventional dynamic experiment of table 1
Claims (4)
1. a without phosphorus water treatment agent, is characterized in that: composition and weight percent as follows:
2. without phosphorus water treatment agent according to claim 1, is characterized in that: the graft copolymer of described maleic anhydride comprises: the copolyreaction that the graft reaction compound natural high moleculer eompound of maleic anhydride and the graft reaction of maleic anhydride obtain maleic anhydride graft natural high moleculer eompound, maleic anhydride graft natural high moleculer eompound and acrylic monomer obtains multipolymer, maleic acid-acrylic acid copolymer.
3. without phosphorus water treatment agent according to claim 1, is characterized in that: described sterilant comprises at least two kinds of mixtures in polyquaternium, SPC-640B, SPC-1102.
4. without phosphorus water treatment agent according to claim 3, is characterized in that: consisting of of described sterilant, weight percent:
Polyquaternium 1-5
SPC-640B 1-5
SPC-1102 1-3；
Described weight percent is the weight percent accounting for total amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100693.6A CN104743687A (en) | 2015-03-09 | 2015-03-09 | Phosphorus-free water treatment agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100693.6A CN104743687A (en) | 2015-03-09 | 2015-03-09 | Phosphorus-free water treatment agent |
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| Publication Number | Publication Date |
|---|---|
| CN104743687A true CN104743687A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510100693.6A Pending CN104743687A (en) | 2015-03-09 | 2015-03-09 | Phosphorus-free water treatment agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000680A (en) * | 2015-07-30 | 2015-10-28 | 陈朝民 | Novel compound water treatment agent |
| CN105036268A (en) * | 2015-07-30 | 2015-11-11 | 陈朝民 | Multifunctional water treatment agent |
| CN105668813A (en) * | 2016-01-25 | 2016-06-15 | 苏州他山石环保科技有限公司 | Efficient environment-friendly scale inhibitor and preparation method thereof |
-
2015
- 2015-03-09 CN CN201510100693.6A patent/CN104743687A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000680A (en) * | 2015-07-30 | 2015-10-28 | 陈朝民 | Novel compound water treatment agent |
| CN105036268A (en) * | 2015-07-30 | 2015-11-11 | 陈朝民 | Multifunctional water treatment agent |
| CN105668813A (en) * | 2016-01-25 | 2016-06-15 | 苏州他山石环保科技有限公司 | Efficient environment-friendly scale inhibitor and preparation method thereof |
| CN105668813B (en) * | 2016-01-25 | 2019-04-26 | 苏州他山石环保科技有限公司 | A kind of antisludging agent and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |
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| WD01 | Invention patent application deemed withdrawn after publication |