CN108975480A - Saline-alkaline pond quick lime drops pH and regulates and controls method - Google Patents
Saline-alkaline pond quick lime drops pH and regulates and controls method Download PDFInfo
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- CN108975480A CN108975480A CN201810724721.5A CN201810724721A CN108975480A CN 108975480 A CN108975480 A CN 108975480A CN 201810724721 A CN201810724721 A CN 201810724721A CN 108975480 A CN108975480 A CN 108975480A
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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Abstract
The present invention relates to a kind of saline-alkaline pond quick lime drop pH to regulate and control method, comprising: the salinity and pH value of measurement saline-alkaline pond water body determine quick lime amount of application, quick lime of splashing, saline-alkaline pond is vacant safely, detects the pH value of saline-alkaline pond.The present invention uses reasonable method of administration, reduces the pH value of water body, and pH is maintained, hereinafter, to reduce saline and alkaline water quality because of the excessively high influence to aquaculture organism existence, growth of pH value, to improve the cultivation success rate of saline-alkaline pond 9.0 in the breeding process.
Description
Technical field
The invention belongs to saline-alkaline pond high alkalinity water quality improvements to regulate and control method field, in particular to a kind of raw stone of saline-alkaline pond
Ash drop pH regulates and controls method.
Background technique
There are saline-alkali water abundant, including surface layer saline-alkali water in China.Saline and alkaline water quality have high pH, high carbon acid saline and alkaline,
The features such as macroion coefficient and more water quality type.Improvement regulation, the height of saline and alkaline water quality are carried out due to lacking suitable technological means
PH has become the main limiting factor for restricting saline-alkaline pond aquaculture.
PH is an important water quality indicator, is that the comprehensive of pond life activity, water body physics and chemical property embodies, mistake
The high or too low healthy growth that can all threaten pond culture biology.The high pH of saline-alkaline pond water body, which is formed mainly, chemistry and life
It is influenced of both object.Chemical aspect refers mainly to Na in saline and alkaline water quality+、K+、Ca2+、Mg2+、Cl-、SO4 2-、HCO3 -、CO3 2-Deng master
Ion is wanted to form, wherein Na+、K+Equal highly basic cation and HCO3 -、CO3 2-The mass percent of weak acid anion is higher, water body
PH is higher;Biological aspect is primarily referred to as the algae in water body, and algae utilizes the CO in water body2Photosynthesis is carried out, water body is caused
CO2And HCO3 -Concentration largely reduces, CO3 2-Mass percent increases, and to can use anion exchange mechanism straight for some algae
Meet the HCO absorbed in water body3 -, or pass through carbonic anhydrase for HCO3 -It is converted into CO2And release OH-, to make water pH value
Rise.It is directed to the regulation method of the high pH of saline and alkaline water quality at present, only the bright rising sun of opinion (Xie Mingxu, Zhao Shigen etc..Varieties in saline-alkali areas cultivation water
The harm of body high ph-values and regulation measure.Science is breeded fish, 2016 (06)) harm with regard to varieties in saline-alkali areas breeding water body high ph-values and tune
Control measure has carried out correlative study, proposes and changes the modes such as water, control algae, acid adding lixiviating and biological regulation, present water resource day
It is beneficial nervous, change that water is subject to conditions, and acid adding lixiviating is as described herein, it is at high cost, and it is easy rebound, it controls algae and biological regulation is main
It is that can not regulate and control for high pH caused by biological factor to high pH caused by chemical factor;(Xia Jinshu, the Zhou Qinghua such as Xia Jinshu.
Seawater aquaculturing pond high ph-values water quality control technique.Hebei fishery, 2012 (11)) use probiotics to seawater aquaculturing pond
High ph-values water quality regulated and controled, again for high pH caused by biological factor, high pH caused by chemical factor can not be adjusted
Control.It is even more whole disabling quick lime for high pH water quality in daily pond culture.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of saline-alkaline pond quick lime drop pH to regulate and control method, from saline-alkali water
Matter feature, administration time, amount of application, safety is vacant etc. starts with, and specifies the key of science application quick lime drop pH, eliminates
High pH water quality cannot use the mistaken ideas of quick lime.
A kind of saline-alkaline pond quick lime drop pH of the invention regulates and controls method, comprising:
(1) (pH value is higher than 9.0 and needs to carry out quick lime regulation, quick lime the salinity and pH value for measuring saline-alkaline pond water body
Amount of application and the salinity of saline and alkaline water quality have correlation);
(2) when the salinity of water body in step (1) 5 hereinafter, saline-alkaline pond per acre quick lime amount of application be 200- (salinity-
1) × 10, when the salinity of water body in step (1) is 5 or more, saline-alkaline pond per acre quick lime amount of application be 200+ (5- salinity) ×
10, wherein quick lime amount of application unit is Kg, and salinity unit is mg/L;
(3) retain 10~40cm of the saline-alkaline pond depth of water, according to quick lime amount of application in step (2) by quick lime in salt alkali pool
It uniformly splashes in the pool;
(4) splashing after quick lime, to carry out safety vacant to saline-alkaline pond before seedling is put;
(5) pH value that saline-alkaline pond is detected before seedling is put.
The mesohaline measuring method of the step (1) is hydrometer method or electrode method.
The hydrometer method are as follows: the relationship of specific gravity and salinity reference following equation,
When saline-alkaline pond temperature is lower than 17.5 DEG C, salinity (mg/L)=(specific gravity -1) × 1305-0.2 × (17.5- temperature);
When saline-alkaline pond temperature is higher than 17.5 DEG C, salinity (mg/L)=(specific gravity -1) × 1305+0.3 × (temperature -17.5).
Salinity is more than 25 saline and alkaline water quality in the step (2), and general pH is not above 9.0.
The depth of water is more than 40cm in the step (3), needs to increase in right amount quick lime amount of application, and the every increase 10cm of the depth of water is applied
Dosage increases by 5%;The depth of water is no more than 100cm.
The pH value of saline-alkaline pond after quick lime of splashing in the step (3) is not up to 11, and the quick lime amount of application splashed exists
Increase by 10% on the basis of quick lime amount of application in step (2).Under normal circumstances, 11 be can achieve using rear pH, but because of reality
In operation, quick lime is because air deliquesces meeting partial failure, so that pH11 is not achieved, therefore increase by 10% ensures to reach regulation effect
Fruit.
The safety vacant time is no less than 30 days in the step (4), if saline-alkaline pond pH value is higher than 8.8, is extended vacant
Time.
The pH value of saline-alkaline pond can just put seedling lower than 8.8 in the step (5), otherwise will affect seed survival rate.
The present invention be from saline and alkaline water quality characteristics, administration time, amount of application, safety is vacant etc. starts with, science application life
Lime can reduce saline-alkaline pond because of high pH caused by chemical factor and biological factor, and maintain in the breeding process pH 9.0 with
Under.There is document to prove, when cultivation water pH is in short term more than 9.0, prawn, fry survival rate can be decreased significantly, and pH surpasses for a long time
9.0 are crossed, prawn can not survive, and the tissues such as gill of cultured fishes will receive corrosion, cause disease, and high pH meeting and carbonate bases
The collaboration of the water quality factors such as degree, ammonia nitrogen generates superposition occurrence situation.
The high pH being shaped to by water chemistry group not only can be effectively reduced in the present invention, but also to the high pH that biological factor is formed
There is obvious slowly-releasing regulation and control to act on, it is only necessary to apply before cultivation, not need to apply again in breeding process, also forbid to apply, this hair
The bright stabilization for helping to maintain saline-alkaline pond water body pH.
The present invention is only useful in front of saline-alkaline pond seed is put in a suitable place to breed and uses, and has aquaculture organism in saline-alkaline pond and forbids to make
With.
It since saline and alkaline water quality type is more, can be had a certain difference in application of the present invention, step (3) ensures the present invention
Using effect, step (5) ensured that safety is put in seed pond in a suitable place to breed.
Present invention is generally directed to the saline and alkaline water quality that pH value is higher than 9.0, if saline-alkaline pond water quality pH is between 8.8-9.0,
The method can also be used, quick lime amount of application is the 80% of suggestion amount.
The present invention is deliquesced since quick lime is easy water suction, fresh quick lime is used as far as possible, if being wanted with outmoded quick lime
Increase amount of application, as one sees fit to ensure regulating effect.
The prior art is shown in Table 1 compared with of the invention:
Table 1
Beneficial effect
The present invention reduces the pH value of water body using reasonable method of administration using the chemical characteristic of quick lime, and is cultivating
PH is maintained, hereinafter, to reduce saline and alkaline water quality because of the excessively high influence to aquaculture organism existence, growth of pH value, to mention 9.0 in the process
The cultivation success rate in high salinity pond, the mistaken ideas of quick lime cannot be used by eliminating high pH saline-alkaline pond.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
(1) salinity for measuring saline-alkaline pond water body is 1.5.
(2) quick lime amount of application=200- (1.5-1) × 10=195 kilograms.
(3) pond keeps that 195 kilograms of quick limes uniformly being splashed in 20~40cm of water level, and detection pH value is 11.2, is not necessarily to
It adds again.
(4) it splashes pond vacant 60 days safely after quick lime.
(5) pH value for detecting saline-alkaline pond before seedling again is put, pH value 8.5 can put seedling.
Embodiment 2
(1) salinity of saline-alkaline pond water body is measured;Specific gravity 1.0025 is measured with specific gravity, 24.8 DEG C of temperature, according to formula
Salinity=1305 × (1.0025-1)+0.3 × (24.8-17.5)=3.2625+2.19=5.45.
(2) quick lime amount of application=200+ (5- salinity) × 10=200-4.5=195.5 kilograms.
(3) pond water level is averaged 80cm, exceeds 40cm, therefore increases by 20% amount of application, i.e. 195.5 × 1.2=234.6 is public
Jin, uniformly splashes in saline-alkaline pond.
(4) splashing after quick lime, saline-alkaline pond carries out safety vacant 30 days to before putting seedling.
(5) pH value that saline-alkaline pond is detected before seedling is put, pH value 8.45 is lower than 8.8, can put seedling.
Claims (6)
1. a kind of saline-alkaline pond quick lime drop pH regulates and controls method, comprising:
(1) salinity and pH value of saline-alkaline pond water body are measured, the pH value of saline-alkaline pond water is higher than 9 and is regulated and controled;
(2) when the salinity of water body in step (1) 5 hereinafter, saline-alkaline pond per acre quick lime amount of application be 200- (salinity -1) ×
10, when the salinity of water body in step (1) is 5 or more, quick lime amount of application is 200+ (5- salinity) × 10 to saline-alkaline pond per acre,
Middle quick lime amount of application unit is Kg, and salinity unit is mg/L;
(3) retain 10~40cm of the saline-alkaline pond depth of water, according to quick lime amount of application in step (2) by quick lime in saline-alkaline pond
It splashes;
(4) splashing after quick lime, to carry out safety vacant to saline-alkaline pond before seedling is put;
(5) pH value that saline-alkaline pond is detected before seedling is put.
2. regulation method according to claim 1, which is characterized in that the mesohaline measuring method of the step (1) be than
Weight method or electrode method.
3. regulation method according to claim 1, which is characterized in that the depth of water is more than 40cm in the step (3), needs to fit
Amount increases quick lime amount of application, the every increase 10cm of the depth of water, and amount of application increases by 5%;The depth of water is no more than 100cm.
4. regulation method according to claim 1, which is characterized in that salt alkali pool after quick lime of splashing in the step (3)
The pH value on the pool is not up to 11, and the quick lime amount of application splashed increases by 10% on the basis of quick lime amount of application in step (2).
5. regulation method according to claim 1, which is characterized in that the safety vacant time is many in the step (4)
In 30 days.
6. regulation method according to claim 1, which is characterized in that the pH value of saline-alkaline pond is lower than in the step (5)
8.8 can just put seedling.
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CN106171093A (en) * | 2016-07-11 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of ardealite and the method in desulfurated plaster improved coordination salt-soda soil |
CN107792929A (en) * | 2017-11-30 | 2018-03-13 | 宁夏润宝禾农业科技有限公司 | A kind of salt reduction alkali method |
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2018
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Patent Citations (4)
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CA2758320A1 (en) * | 2009-04-10 | 2010-10-14 | Sylvan Source, Inc. | Method and system for reduction of scaling in purification of aqueous solutions |
CN106187484A (en) * | 2016-07-11 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of desulfurated plaster improveing Wheat Growing Soils and production technology thereof |
CN106171093A (en) * | 2016-07-11 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of ardealite and the method in desulfurated plaster improved coordination salt-soda soil |
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