CN117623477A - Water quality improver and preparation method thereof - Google Patents
Water quality improver and preparation method thereof Download PDFInfo
- Publication number
- CN117623477A CN117623477A CN202410030681.XA CN202410030681A CN117623477A CN 117623477 A CN117623477 A CN 117623477A CN 202410030681 A CN202410030681 A CN 202410030681A CN 117623477 A CN117623477 A CN 117623477A
- Authority
- CN
- China
- Prior art keywords
- acid
- water quality
- quality improver
- water
- sodium citrate
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 238000002360 preparation method Methods 0.000 title abstract description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 45
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 36
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001509 sodium citrate Substances 0.000 claims abstract description 13
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims abstract description 12
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims abstract description 12
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 12
- 235000011090 malic acid Nutrition 0.000 claims abstract description 11
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims abstract description 10
- 235000014655 lactic acid Nutrition 0.000 claims abstract description 10
- 239000001630 malic acid Substances 0.000 claims abstract description 10
- 239000004310 lactic acid Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 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 claims abstract description 7
- 239000011734 sodium Substances 0.000 claims abstract description 7
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 7
- 239000012747 synergistic agent Substances 0.000 claims abstract description 6
- 229920000805 Polyaspartic acid Polymers 0.000 claims description 14
- 108010064470 polyaspartate Proteins 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 239000007853 buffer solution Substances 0.000 claims description 11
- XPFJYKARVSSRHE-UHFFFAOYSA-K trisodium;2-hydroxypropane-1,2,3-tricarboxylate;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound [Na+].[Na+].[Na+].OC(=O)CC(O)(C(O)=O)CC(O)=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O XPFJYKARVSSRHE-UHFFFAOYSA-K 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 claims description 6
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 claims description 6
- 229940095100 fulvic acid Drugs 0.000 claims description 6
- 239000002509 fulvic acid Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 235000015424 sodium Nutrition 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 7
- 241000252073 Anguilliformes Species 0.000 description 7
- 239000004021 humic acid Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- 229940099690 malic acid Drugs 0.000 description 7
- -1 hydrogen ions Chemical class 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 230000006870 function Effects 0.000 description 5
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- 239000001301 oxygen Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
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- 230000008569 process Effects 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- LXAHHHIGZXPRKQ-UHFFFAOYSA-N 5-fluoro-2-methylpyridine Chemical compound CC1=CC=C(F)C=N1 LXAHHHIGZXPRKQ-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229940061720 alpha hydroxy acid Drugs 0.000 description 2
- 150000001280 alpha hydroxy acids Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 235000003704 aspartic acid Nutrition 0.000 description 2
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
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- 239000003795 chemical substances by application Substances 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
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- 229940079593 drug Drugs 0.000 description 2
- 208000010824 fish disease Diseases 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 208000031888 Mycoses Diseases 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 230000002411 adverse Effects 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
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- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 230000007797 corrosion Effects 0.000 description 1
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- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- 235000013372 meat Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000008558 metabolic pathway by substance Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
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- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 125000004151 quinonyl group Chemical group 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- 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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of water quality improvement, and provides a water quality improver and a preparation method thereof. The water quality improver comprises the following raw materials in percentage by weight: 5-30% of citric acid, 5-30% of sodium citrate, 1-15% of EDTA-2 sodium, 0.5-10% of malic acid, 1-15% of lactic acid, 3-20% of acetic acid, 1-20% of amino trimethylene phosphonic Acid (ATMP) and 1-15% of synergistic agent. The water quality improver provided by the invention can be directly diluted and sprayed into the culture water body, and has the advantages of convenience in use, good stability, long storage time of products, promotion of healthy growth of fish and maintenance of ecological balance of the water body.
Description
Technical Field
The invention relates to the technical field of water quality improvement, in particular to a water quality improver and a preparation method thereof.
Background
With the rapid development of aquaculture in China, the culture density is continuously increased, the quality and the substrate of some culture water bodies are seriously aged, and indexes such as ammonia nitrogen, nitrite, dissolved oxygen and the like in the water bodies are not easy to control, so that the normal growth of fishes is hindered. And the continuous deterioration of the water quality environment causes frequent fish diseases, and aquaculture farmers prevent and treat the fish diseases by adding a large amount of medicines, however, the method of adding a large amount of medicines accelerates the deterioration of the water quality, and the method has negative effects on the meat quality of the fish, so that vicious circle is formed.
In view of the situation, many products for improving the water quality are also appeared on the market, but almost all products are products in other fields, and are not special for improving the water quality of the culture water body, namely, the products are mainly put into practice, and according to the basic function of the products in the original field, the effects of the products are found through practice in aquaculture, and then the action mechanism is explored.
Therefore, developing a special water quality improver for aquaculture is a technical problem to be solved in the technical field of water quality improvement at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the water quality improver and the preparation method thereof, and the water quality improver provided by the invention can improve the water quality and the substrate of the culture water body, has excellent performance, can promote the healthy growth of fishes, and can maintain the ecological balance of the water body.
The first aim of the invention is to provide a water quality improver which comprises the following raw materials in percentage by weight: : 5-30% of citric acid, 5-30% of sodium citrate, 1-15% of EDTA-2 sodium, 0.5-10% of malic acid, 1-15% of lactic acid, 3-20% of acetic acid, 1-20% of amino trimethylene phosphonic Acid (ATMP) and 1-15% of synergistic agent.
Preferably, the synergistic agent is at least one of fulvic acid or polyaspartic acid.
The second object of the present invention is to provide a method for preparing the water quality improver, comprising the following steps:
(1) Adding water into a container, regulating the temperature to 40-80 ℃, then adding citric acid and sodium citrate into the container, and fully stirring until the citric acid is completely dissolved to obtain a citric acid-sodium citrate buffer solution;
(2) Adding EDTA-2 sodium, malic acid, lactic acid, acetic acid and ATMP into the citric acid-sodium citrate buffer solution in the step (1), and fully stirring until all the raw materials are completely dissolved;
(3) Adding the synergist, stirring for 20-50min until the synergist is completely dissolved, and obtaining the water quality improver.
The main component of the water quality improver is citric acid which is a multi-element organic acid, has strong acidity, ionizes into hydrogen ions and citrate ions in water, has excellent complexing performance, can complex various heavy metal ions, and can neutralize the hydroxide ions in water by the ionized hydrogen ions to change ammonia nitrogen into harmless ammonium ions. Sodium citrate, also called sodium citrate, trisodium citrate, has good water solubility for Ca in water 2+ 、Mg 2+ The plasma metal ion has the characteristics of excellent chelating ability, biodegradability, strong dispersing ability, strong redeposition resistance and the like, can rapidly precipitate metal ions, improves the performance of a surfactant, is an excellent chelating agent, has good pH adjusting and buffering performances in aquaculture, and forms a buffer solution with citric acid to adjust the pH value of a water body, and sodium citrate can also be used as a complexing agent to reduce the toxicity of heavy metal ions in water. The sodium citrate also has antibacterial, bacteriostatic and anti-inflammatory effects, and can be used for treating infectious diseases of aquatic animals, such as bacterial diseases and fungal diseases. Meanwhile, the sodium citrate can promote the growth and immunity of aquatic animals and improve the tolerance and adaptability of the aquatic animals. The buffer solution system composed of citric acid-sodium citrate can absorb hydrogen sulfide and sulfur dioxide well, so that harmful substances in water are reduced, and the effect of purifying water quality is achieved. In addition to the above effects, citric acid has a certain antibacterial effect, and is also an important substance in the process of converting fat, protein and sugar into carbon dioxide in biology, and these chemical reactions are core reactions in the process of substance metabolism and can provide energy for higher organisms. The addition of a certain amount of citric acid in the feed not only can inhibit bacteria and prolong the storage period, but also can promote the growth of animals,improving product quality, disease resistance and survival rate, increasing feed conversion rate, and shortening feeding period. The citrate can also provide a carbon source for microorganisms in water, and carbon dioxide generated after the decomposition of the citric acid can be absorbed and utilized by the microorganisms, aquatic weeds and algae in the water, so that secondary pollution is avoided, and adverse effects on the environment are avoided. Therefore, the invention preferably uses the citric acid-sodium citrate buffer solution system as the main component of the water quality improver.
The EDTA disodium is added to strengthen the complexation performance of the product, and the EDTA-disodium is a complexing agent which can be complexed with a plurality of metal ions to form a stable soluble complex, thereby further strengthening the detoxification function of the product.
Malic acid (Malicacid), known as 2-hydroxysuccinic acid, is a white or fluorescent powdery, granular or crystalline solid, has strong hygroscopicity, and has high solubility in solvents such as water and ethanol. The four-carbon dicarboxylic acid is an important four-carbon dicarboxylic acid which is widely existed in cells of plants, animals and microorganisms, has the characteristics of safety, innocuity, harmlessness, edibility and the like, has 2 carboxyl groups and 1 hydroxyl group in molecules, is an industrial raw material with high reactivity, can be complexed with various metal ions, and can be used as a scale remover in industry. In addition, the malic acid also has a pH adjusting function, and can play a role in maintaining or changing the pH value of the water body. The invention also utilizes the excellent complexing performance to complex heavy metal ions in the culture water body, thereby playing a role in detoxification and providing carbon source.
Lactic acid is a carboxylic acid, the molecular formula of which is C3H6O3, contains hydroxyl groups, belongs to alpha-hydroxy acid (AHA), and is one of three organic acids in the world. In aqueous solution, the carboxyl group releases a proton to generate lactate ion CH 3 CH (OH) COO, thereby adjusting the pH value of the water body and having certain complexation effect. Lactic acid also has strong bactericidal effect, and the bactericidal capacity is several times that of citric acid, tartaric acid and succinic acid.
Acetic acid is a weak acid and is rapidly soluble in water. Acetic acid has a variety of uses, for example: releasing H in aqueous solution + Adjusting the pH value of the water body; combines with amino in water to form acetamido, and removes ammonia odorEtc. Acetic acid can regulate the microbial community structure in water, improve the water quality environment and enhance the oxygen dissolving capacity of water, thereby improving the culture benefit of aquaculture organisms. The acetic acid promotes the propagation of plankton by regulating the pH value in the water body, inhibiting harmful microorganisms and other modes, thereby improving the culture benefit. It also has certain inhibiting effect on certain bacteria and strains. In addition, the acetic acid has the advantages of degradability, high treatment efficiency, low cost and easy obtainment, and is an ideal water environment treating agent.
ATMP is known as amino trimethylene phosphonic acid, is easy to dissolve in water, has low toxicity or no toxicity, has stable C-P bond in the molecule, thus having good chemical stability and thermal stability, is not easy to be damaged by acid and alkali, and is not easy to hydrolyze. ATMP has good chelation and solubilization, low limit inhibition and lattice distortion, its monomer structure has 3 phosphonic acid groups, and can be dissociated into 6 positive ions and 6 negative ions in water, and can be matched with Ca in water 2+ 、Mg 2+ And other heavy metal ions form a multi-ring chelate, and the macromolecular chelate is dispersed in water in a loose form, has good synergistic effect with polyphosphate, polycarboxylate and nitrite, can effectively prevent the formation of scale, and can also remove the toxicity of the heavy metal ions.
Fulvic acid is humic acid with the minimum molecular weight, can be dissolved in aqueous solution of acid or alkali, can be also dissolved in partial organic solvent, and has very wide adaptability. Humic acid contains benzene ring, condensed ring and heterocycle (such as pyrrole, furan, indole, etc.), each aromatic ring is connected by bridge bond, and each aromatic ring has various functional groups such as carboxyl, phenolic hydroxyl, methoxy, quinone, etc. Humic acid has such a complex molecular structure and thus exhibits various physicochemical properties. For example: humic acid has larger molecular weight and can be associated into larger particles in a certain medium, so that the humic acid has colloid characteristics and adsorption capacity; the humic acid molecule has a plurality of carboxyl groups and phenolic hydroxyl groups, is weak acid, and has stronger ion exchange capacity, chelating capacity and buffering capacity: the phenolic and quinone structures on humic acid molecules may be involved in the electron transfer system of biological redox. These physicochemical properties may also affect the function of biological macromolecules, thus exhibiting physiological and pharmacological activities. Therefore, the invention adopts the fulvic acid as the synergist, not only can improve the detoxification capability of the water quality improver, but also can directly act on aquatic animals, strengthen the immunity of the aquatic animals and promote the metabolic capability of the aquatic animals on toxic and harmful substances.
Polyaspartic acid is an amino acid polymer, has stable chemical property, is non-irritating to skin, is easy to dissolve in water, and the-COON on the macromolecular side chain of the polyaspartic acid is easily ionized into-COO-in aqueous solution, so that the polyaspartic acid has strong chemical activity. As the components of the water treatment agent, the polyaspartic acid has the main functions of scale inhibition and/or dispersion and corrosion inhibition, can chelate multivalent metal ions such as calcium, magnesium, copper, iron, manganese, zinc, cadmium, lead, mercury and the like, and can play a good role in detoxification in aquaculture. The polyaspartic acid macromolecules contain rich polar groups such as-COOH, -NF3 CO-and the like, so that the polyaspartic acid macromolecules have excellent hydrophilicity, have extremely strong dispersing capability on fine particles in aqueous solution, and can further prevent harmful substances from being aggregated. In addition, polyaspartic acid has a protein-like structure, so that the polyaspartic acid has good biodegradability, and is generally degraded into small molecules of aspartic acid by microorganisms, and the aspartic acid is a biological nutrient substance and can be directly absorbed by organisms. The polyaspartic acid is phosphorus-free, nontoxic and free from causing any pollution to the environment, is a multifunctional environment-friendly biopolymer material, and adopts polyaspartic acid as a synergist in view of the advantages.
Compared with the prior art, the invention has the following beneficial effects:
1. the preparation method of the water quality improver has the characteristics of simple process, easy operation, high production efficiency and low cost;
2. the water quality improver provided by the invention can be directly sprinkled in a culture pond after being diluted by a culture water body, and has the advantages of convenience in use, good stability, long product storage time, promotion of healthy growth of fish, maintenance of ecological balance of the water body and the like.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the invention, are within the scope of the invention.
The test methods or test methods described in the following examples are all conventional methods unless otherwise specified; the starting materials and auxiliaries, unless otherwise specified, are obtained commercially from conventional sources or are prepared in conventional manner.
Example 1
A preparation method of a water quality improver comprises the following steps:
(1) Adding 685g of water into a three-mouth bottle, heating and stirring to 60 ℃, adding 80g of citric acid and 50g of sodium citrate, and fully stirring until the two raw materials are completely dissolved to obtain a citric acid-sodium citrate buffer solution;
(2) Adding 10g of EDTA-2 sodium, 25g of malic acid, 30g of lactic acid, 50g of acetic acid and 50g of ATMP into the citric acid-sodium citrate buffer solution in the step (1), and fully stirring until all the raw materials are completely dissolved;
(3) Adding 20g of synergistic agent fulvic acid, and stirring for 30min until the synergistic agent fulvic acid is completely dissolved, thus obtaining the water quality improver.
Example 2
A preparation method of a water quality improver comprises the following steps:
(1) 670g of water is added into a three-mouth bottle, heated and stirred to 60 ℃, 50g of citric acid and 60g of sodium citrate are added, and the mixture is fully stirred until the two raw materials are completely dissolved, so as to obtain a citric acid-sodium citrate buffer solution;
(2) Adding 5g of EDTA-2 sodium, 15g of malic acid, 20g of lactic acid, 70g of acetic acid and 80g of ATMP into the citric acid-sodium citrate buffer solution in the step (1), and fully stirring until all the raw materials are completely dissolved;
(3) Adding 30g of the synergist polyaspartic acid, and stirring for 30min until the synergist polyaspartic acid is completely dissolved, thus obtaining the water quality improver.
1. The influence of the water quality improver of the embodiment 1 on the water quality of the water body is detected.
Experiments are carried out in a certain fish culture pond in Guangzhou Taishan, and the total number of the fish culture ponds is 3, and each fish culture pond has an area of 2000m 2 The cultured eel has average weight of 0.4+ -0.02 Kg per m 2 And (5) putting 10 tails. The first cultivation pond is a test group 1, the water quality improver prepared in the example 1 is added according to the dosage of 0.2Kg per mu, the second cultivation pond is a test group 2, the water quality improver prepared in the example 1 is added according to the dosage of 0.3Kg per mu, and the third cultivation pond is a blank control group, and the water quality improver is not added. The water quality improver prepared in the example 1 is added every 2 days, other feeding methods are the same as the conventional method, the test period is 6 days, and ammonia nitrogen, nitrous acid, dissolved oxygen and transparency in the aquaculture water are respectively measured after the test period is over, and the results are shown in the following table 1:
TABLE 1
| Project | Ammonia nitrogen (mg/L) | Nitrous acid (mg/L) | Dissolved oxygen (mg/L) | Transparency (cm) |
| Control group | 0.9 | 0.4 | 4.0 | 20 |
| Test group 1 | 0.3 | 0.2 | 5.6 | 30 |
| Test group 2 | 0.2 | 0.1 | 5.8 | 35 |
As can be seen from Table 1, the water quality improver provided by the invention can effectively reduce the contents of ammonia nitrogen and nitrous acid in the aquaculture water body, and can also increase the dissolved oxygen in the water body and improve the transparency.
2. The effect of the water quality improver of example 1 on the heavy metal content in fish growth and fish quality was examined.
The method comprises the steps of performing a test in a fish culture pond in Taishan city in Guangzhou, selecting 40 healthy eels with basically consistent weight, randomly dividing the eels into 2 groups (a control group and a test group), feeding the eels with the daily feed amount of about 2% -3% of the weight of each group, feeding the eels with the daily feed amount of about 10 am and 6 pm for each time, the test time being 50 days, feeding the test group with 0.25Kg of water quality improver of example 1 per mu, feeding the eels once every 10 days, sampling and weighing the eels after the test is finished, and measuring the heavy metal content in the eels.
The detection results of the influence of the water quality improver on the growth of the fish are shown in Table 2:
TABLE 2
| Measurement index | Test group | Control group |
| Initial average weight (kg) | 0.2±0.02 | 0.2±0.02 |
| Final average weight (kg) | 0.4±0.03 | 0.35±0.03 |
| Weight gain Rate (%) | 100％ | 75％ |
| Daily gain (g) | 4 | 3 |
| Feed coefficient | 1.38±0.03 | 1.47±0.03 |
The detection results of the influence of the water quality improver on the heavy metal content in the fish quality are shown in Table 3:
table 3 units: mg/Kg
| Measurement index | As | Hg | Cd | Pb |
| Test group | 12.5 | 0.075 | 0.438 | 20.3 |
| Control group | 16.3 | 0.154 | 0.684 | 29.7 |
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (3)
1. The water quality improver is characterized by comprising the following raw materials in percentage by weight: 5-30% of citric acid, 5-30% of sodium citrate, 1-15% of EDTA-2 sodium, 0.5-10% of malic acid, 1-15% of lactic acid, 3-20% of acetic acid, 1-20% of amino trimethylene phosphonic acid and 1-15% of synergistic agent.
2. The water quality improver according to claim 1, wherein the synergist is at least one of fulvic acid or polyaspartic acid.
3. The method for preparing a water quality improver according to claim 1, comprising the steps of:
(1) Adding water into a container, regulating the temperature to 40-80 ℃, then adding citric acid and sodium citrate into the container, and fully stirring until the citric acid is completely dissolved to obtain a citric acid-sodium citrate buffer solution;
(2) Adding EDTA-2 sodium, malic acid, lactic acid, acetic acid and amino trimethylene phosphonic acid into the citric acid-sodium citrate buffer solution in the step (1), and fully stirring until the materials are completely dissolved;
(3) Adding the synergist, stirring for 20-50min until the synergist is completely dissolved, and obtaining the water quality improver.
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