CN110530757A - The method and device thereof of Ammonia valatilization amount in a kind of measurement Animal fecal pollution - Google Patents

The method and device thereof of Ammonia valatilization amount in a kind of measurement Animal fecal pollution Download PDF

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Publication number
CN110530757A
CN110530757A CN201910647916.9A CN201910647916A CN110530757A CN 110530757 A CN110530757 A CN 110530757A CN 201910647916 A CN201910647916 A CN 201910647916A CN 110530757 A CN110530757 A CN 110530757A
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ammonia
acid
solution
absorber acid
outlet
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孙小琴
禄瑶
石志芳
侯宇
赵辛
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Northwest A&F University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/58—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
    • G01N7/18—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by allowing the material to react
    • G01N7/20—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by allowing the material to react the reaction being fermentation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Hematology (AREA)
  • Biotechnology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

The present invention provides a kind of method and device thereof for measuring Ammonia valatilization amount in Animal fecal pollution, it is related to biological field, including being provided with H along the flat entrance absorber acid being sequentially connected, the drain chamber equipped with slurry of feces and urine, outlet absorber acid, flowmeter and vacuum pump, the entrance absorber acid and outlet absorber acid2SO4Solution is provided with the conduit with air communication on the entrance absorber acid, and conduit protrudes into the H of entrance absorber acid2SO4In solution, the conduit that drain chamber is connected with outlet absorber acid protrudes into the H of outlet absorber acid2SO4In solution.

Description

The method and device thereof of Ammonia valatilization amount in a kind of measurement Animal fecal pollution
Technical field
The present invention relates to field of biotechnology, the method and its dress of Ammonia valatilization amount in specially a kind of measurement Animal fecal pollution It sets.
Background technique
Ammonia is one of main pernicious gas in one of nitrogenous compound and atmosphere, it can be to environment, humans and animals Generate a series of adverse effects.Measuring method conventional at present is carried out in cattle farm, but since ammonia physics and chemistry are special Property, and be typically all gravity-flow ventilation cowshed in cattle farm, this brings very big difficulty to the ammonia in measurement cowshed.And cowshed Interior measurement time and effort consuming is spent big.And gas chamber simulator can be used to measure the row of ammonia for the controllability of environmental factor Certain key factors are put and studied to the influence of ammonia emission.For milk cow production ammonia emission rule and discharge Amount estimation has important theoretical direction and practice significance.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides it is a kind of measurement Animal fecal pollution in Ammonia valatilization amount method and its Device solves the problems mentioned above in the background art.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: ammonia in a kind of measurement Animal fecal pollution The device of volatile quantity, the entrance absorber acid including being sequentially connected along airintake direction, go out the drain chamber equipped with slurry of feces and urine Mouth absorber acid, flowmeter and vacuum pump, the entrance absorber acid and outlet absorber acid are provided with H2SO4Solution, it is described enter The conduit with air communication is provided on mouth absorber acid, and conduit protrudes into the H of entrance absorber acid2SO4In solution, drain chamber The conduit being connected with outlet absorber acid protrudes into the H of outlet absorber acid2SO4In solution.
Preferably, the bottom of the drain chamber is provided with the water-bath for controlling its temperature.
Preferably, the regulating valve for adjusting air velocity is provided between the flowmeter and vacuum pump.
A kind of method of Ammonia valatilization amount in measurement Animal fecal pollution, the specific steps are as follows:
Step 1: suitable H is added in entrance absorber acid and outlet absorber acid2SO4Solution；
Step 2: it is separately added into the animal dung of doses in drain chamber, urinates and is uniformly mixed, is controlled by water-bath Its temperature；
Step 3: starting vacuum pump, by the parameter setting air velocity for adjusting valve regulation flowmeter；
Step 4: fermentation time continues 72h, fermentation start after 1h, 3h, 6h, 12h, for 24 hours, 36h, 48h, 60h, 72h It is replaced on node and collects the H in outlet absorber acid2SO4Solution；
Step 5: measurement H2SO4Ammonium ion amount in solution calculates the yield of different time points ammonia, for every A sampling time point ammonia emission rate (F, mgm-2h-1) being obtained by following formula: F=[TAN] V/At, in formula, TAN is Concentration (the mgL of total ammonia in sour absorbing liquid-1), V is sour absorbing liquid volume (L), and A is bottom area (the sample institute in fermentation flask The area accounted for) m-2, t is the duration (h) for absorbing ammonia.
Preferably, the H2SO4The dosage of solution is 100mL, concentration 0.05mol/L.
Preferably, animal dung, the mixed proportion of urine are 1.7:1 in the drain chamber.
Preferably, flowmeter is adjusted to 0.5L/min.
(3) beneficial effect
The present invention provides a kind of method and device thereof of Ammonia valatilization amount in measurement Animal fecal pollution.Have following beneficial to effect Fruit:
1, in the measurement Animal fecal pollution Ammonia valatilization amount method and device thereof, the environment in continuous mode succinctly facilitates, It is spent needed for measurement small.Determination of the environment temperature, measurement Ammonia valatilization value is accurate, and can study other factors to Ammonia valatilization Influence.
Detailed description of the invention
Fig. 1 is the device of the invention structural schematic diagram；
Fig. 2 is experimental data trend graph of the invention.
In figure: 1 entrance absorber acid, 2 drain chambers, 3 outlet absorber acids, 4 flowmeters, 5 vacuum pumps, 6 water-baths, 7 are adjusted Save valve, 8 conduits.
Specific embodiment
The present invention provides a kind of method and device thereof for measuring Ammonia valatilization amount in Animal fecal pollution, as shown in Figs. 1-2, including The entrance absorber acid 1 being sequentially connected along airintake direction, the drain chamber 2 equipped with slurry of feces and urine, outlet absorber acid 3, stream Meter 4 and vacuum pump 5.Each section device is connected using rubber catheter 8.
The conduit 8 with air communication is wherein provided on entrance absorber acid 1, and conduit 8 protrudes into entrance absorber acid 1 H2SO4In solution, the conduit 8 on entrance absorber acid 1 is that included glass tube and its bottle cap are integrated shape, can be integrally inserted into In bottle.Entrance absorber acid 1 is used to remove the ammonia in outside air, by 1 filtered air of entrance absorber acid by leading Pipe 8 enters in drain chamber 2.
The bottom of drain chamber 2 is provided with the water-bath 6 for controlling its temperature.Water-bath 6 simulates the temperature in actual environment Degree, the conduit 8 that drain chamber 2 is connected with outlet absorber acid 3 protrude into the H of outlet absorber acid 32SO4In solution.Excrement in drain chamber 2 The ammonia that urine mixture generates enters the H of outlet absorber acid 3 by conduit 8 after mixing with air2SO4In solution.
Outlet absorber acid 3 is to the ammonia that generates in the fecaluria during absorption test in drain chamber 2.
By H in outlet absorber acid 32SO4Air after solution reaction passes sequentially through flowmeter 4, regulating valve 7, vacuum Pump.Regulating valve 7 is for adjusting air velocity.
Vial of the drain chamber 2 using the 2L volume after repacking for fermentation, basal diameter 11cm.
A kind of method of Ammonia valatilization amount in measurement Animal fecal pollution, the specific steps are as follows:
The H of the 0.05mol/L of 100mL is added in entrance absorber acid 1 and outlet absorber acid 3 first2SO4Solution enters Mouth absorber acid 1 and outlet absorber acid 3 use 250mL drexel bottle.Then 50g excrement and 30g urine are separately added into drain chamber 2 And be uniformly mixed, ratio reaches 1.7:1 or so.Its temperature is controlled by water-bath 6.Then start vacuum pump 5, pass through regulating valve 7 adjust the parameter setting air velocity of flowmeter 4.Air velocity is 0.5L/min in conventional environment.Flowmeter is adjusted to The flow velocity of 0.5L/min.Fermentation time continues 72h, fermentation start after 1h, 3h, 6h, 12h, for 24 hours, 36h, 48h, 60h, 72h It is replaced on node and collects the H in outlet absorber acid 32SO4Solution.Finally measure H2SO4Ammonium ion amount in solution is counted The yield for calculating different time points ammonia, for each sampling time point ammonia emission rate (F, mgm-2h-1) by following public affairs Formula obtains: F=[TAN] V/At, and in formula, TAN is the concentration (mgL of total ammonia in sour absorbing liquid-1), V is sour absorbing liquid volume (L), A is bottom area (area shared by sample) m in fermentation flask-2, t is the duration (h) for absorbing ammonia.
The present invention will be further described below with reference to examples:
Embodiment one:
It is added the 0.05mol/L's of 100mL in the entrance absorber acid 1 and outlet absorber acid 3 that capacity is 250mL H2SO4Solution, is separately added into 50g excrement in drain chamber 2 and 30g is urinated and is uniformly mixed.Water-bath 6 is by the fecaluria temperature in drain chamber 2 Degree is adjusted to 20 DEG C, and flowmeter is adjusted to the flow velocity of 0.5L/min.Fermentation time continues 72h, fermentation start after 1h, 3h, 6h, 12h, for 24 hours, replaced on the node of 36h, 48h, 60h, 72h and collect outlet absorber acid 3 in H2SO4Solution.By real twice Test, first time measuring 1h, 3h, 6h, 12h, for 24 hours, every square metre of ammonia discharged per hour on 36h, 48h, 60h, 72h node Tolerance is 33.3,69.7,104.3,119.1,136.1,167.3,187.2,164.5,127.6 (mg).Second of measuring 1h, 3h, 6h, 12h, for 24 hours, on 36h, 48h, 60h, 72h node every square metre of ammonia amount discharged per hour be 13.6,39.1, 47.6、79.4、87.9、130.4、158.8、102.1、85.1(mg)。
Embodiment two:
It is added the 0.05mol/L's of 100mL in the entrance absorber acid 1 and outlet absorber acid 3 that capacity is 250mL H2SO4Solution, is separately added into 50g excrement in drain chamber 2 and 30g is urinated and is uniformly mixed.Water-bath 6 is by the fecaluria temperature in drain chamber 2 Degree is adjusted to 30 DEG C, and flowmeter is adjusted to the flow velocity of 0.5L/min.Fermentation time continues 72h, fermentation start after 1h, 3h, 6h, 12h, for 24 hours, replaced on the node of 36h, 48h, 60h, 72h and collect outlet absorber acid 3 in H2SO4Solution.By real twice Test, first time measuring 1h, 3h, 6h, 12h, for 24 hours, every square metre of ammonia discharged per hour on 36h, 48h, 60h, 72h node Tolerance is 96.7,159.6,206.4,310.7,297.6,252.8,213.3,181.7,105.3 (mg).Second of measuring 1h, 3h, 6h, 12h, for 24 hours, on 36h, 48h, 60h, 72h node every square metre of ammonia amount discharged per hour be 87.2,107.4, 132.7、231.7、192.2、181.7、155.3、144.8、86.9(mg)。
Embodiment three:
It is added the 0.05mol/L's of 100mL in the entrance absorber acid 1 and outlet absorber acid 3 that capacity is 250mL H2SO4Solution, is separately added into 50g excrement in drain chamber 2 and 30g is urinated and is uniformly mixed.Water-bath 6 is by the fecaluria temperature in drain chamber 2 Degree is adjusted to 40 DEG C, and flowmeter is adjusted to the flow velocity of 0.5L/min.Fermentation time continues 72h, fermentation start after 1h, 3h, 6h, 12h, for 24 hours, replaced on the node of 36h, 48h, 60h, 72h and collect outlet absorber acid 3 in H2SO4Solution.By real twice Test, first time measuring 1h, 3h, 6h, 12h, for 24 hours, every square metre of ammonia discharged per hour on 36h, 48h, 60h, 72h node Tolerance is 216.8,248.1,324.4,337.1,379.2,305.5,165.9,81.6,84.2 (mg).Second of measuring 1h, 3h, 6h, 12h, for 24 hours, on 36h, 48h, 60h, 72h node every square metre of ammonia amount discharged per hour be 170,238.6, 297.1、321.3、323.9、247.5、184.3、134.3、52.6(mg)。
The following are experimental data tables of the invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. the device of Ammonia valatilization amount in a kind of measurement Animal fecal pollution, it is characterised in that: including being sequentially connected along airintake direction Entrance absorber acid, the drain chamber equipped with slurry of feces and urine, outlet absorber acid, flowmeter and vacuum pump, the entrance acid Absorber and outlet absorber acid are provided with H2SO4Solution is provided with the conduit with air communication on the entrance absorber acid, And conduit protrudes into the H of entrance absorber acid2SO4In solution, the conduit that drain chamber is connected with outlet absorber acid protrudes into outlet acid and inhales Receive the H of device2SO4In solution.
2. the device of Ammonia valatilization amount in a kind of measurement Animal fecal pollution according to claim 1, it is characterised in that: the row The bottom for putting room is provided with water-bath for controlling its temperature.
3. the device of Ammonia valatilization amount in a kind of measurement Animal fecal pollution according to claim 1, it is characterised in that: the stream The regulating valve for adjusting air velocity is provided between meter and vacuum pump.
4. a kind of method of Ammonia valatilization amount in measurement Animal fecal pollution, the specific steps are as follows:
(1) suitable H is added in entrance absorber acid and outlet absorber acid2SO4Solution；
(2) it is separately added into the animal dung of doses in drain chamber, urinates and is uniformly mixed, its temperature is controlled by water-bath；
(3) start vacuum pump, by the parameter setting air velocity for adjusting valve regulation flowmeter；
(4) fermentation time continues 72h, and fermentation is replaced on the node of several times after starting and collected in outlet absorber acid H2SO4Solution；
(5) H is measured2SO4Ammonium ion amount in solution calculates the yield of different time points ammonia, when for each sampling Between put ammonia emission rate (F, mgm-2h-1) being obtained by following formula: F=[TAN] V/At, in formula, TAN is sour absorbing liquid In total ammonia concentration (mgL-1), V is sour absorbing liquid volume (L), and A is the bottom area (area shared by sample) in fermentation flask m-2, t is the duration (h) for absorbing ammonia.
5. the method for Ammonia valatilization amount in a kind of measurement Animal fecal pollution according to claim 4, it is characterised in that: described H2SO4The dosage of solution is 100mL, concentration 0.05mol/L.
6. the method for Ammonia valatilization amount in a kind of measurement Animal fecal pollution according to claim 4, it is characterised in that: the row Put animal dung in room, the mixed proportion of urine is 1.7:1.
7. the method for Ammonia valatilization amount in a kind of measurement Animal fecal pollution according to claim 4, it is characterised in that: the stream Meter is adjusted to 0.5L/min.
CN201910647916.9A 2019-07-18 2019-07-18 The method and device thereof of Ammonia valatilization amount in a kind of measurement Animal fecal pollution Pending CN110530757A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070158A (en) * 2010-10-29 2011-05-25 华南农业大学 Method and system for recycling compost volatile ammonia
CN203758787U (en) * 2014-03-26 2014-08-06 新疆农业科学院土壤肥料与农业节水研究所 Ammonia volatilization absorbing device for living plants

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070158A (en) * 2010-10-29 2011-05-25 华南农业大学 Method and system for recycling compost volatile ammonia
CN203758787U (en) * 2014-03-26 2014-08-06 新疆农业科学院土壤肥料与农业节水研究所 Ammonia volatilization absorbing device for living plants

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