CN110197011A - A kind of survey calculation method of liquid detergent Life cycle water footprints - Google Patents
A kind of survey calculation method of liquid detergent Life cycle water footprints Download PDFInfo
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- CN110197011A CN110197011A CN201910388985.2A CN201910388985A CN110197011A CN 110197011 A CN110197011 A CN 110197011A CN 201910388985 A CN201910388985 A CN 201910388985A CN 110197011 A CN110197011 A CN 110197011A
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- 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
- G01N33/18—Water
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention discloses a kind of survey calculation methods of liquid detergent Life cycle water footprints, it is divided into measurement, unit of account liquid detergent indigo plant water footprints, unit of account liquid detergent ash water footprints, unit of account liquid detergent takes water, unit of account liquid detergent waste water yield, the several steps of unit of account liquid detergent COD (COD) yield, finally provide liquid detergent Life cycle water footprints, by blue water footprints, grey water footprints and water footprints grading index composition, wherein water footprints grading index takes water by unit liquid detergent, unit liquid detergent waste water yield and unit liquid detergent COD three indicator combinations of yield.Liquid detergent water footprints grade is divided into three-level, takes water, unit liquid detergent waste water yield and unit liquid detergent COD yield these three indexs by unit liquid detergent respectively and determines that level-one is best, three-level is poor.
Description
Technical field
The present invention relates to a kind of survey calculation methods of liquid detergent Life cycle water footprints.
Background technique
Water footprints (Water Footprint) concept is that Dutch water resource expert Hoekstra is studied in virtual water theory
On the basis of propose, describing influence of the mankind's activity to water resource system.Specific to product industry water footprints, refer to product
The required gross amount of water resources in industrial processes.Water footprints are a multidimensional indexes, are advised jointly on the geographical and time
The all constituents of total water footprints, including blue water footprints, clear water footprint and grey water footprints are determined.Wherein, blue water footprints refer to
Blue water resource (surface water and groundwater) consumption in product supply chain;Clear water footprint refers to clear water resource, and (storage is in the soil
Rainwater, such as soil moisture) consumption;Grey water footprints are then related with contaminant capacity, may be defined as according to existing ambient water quality mark
The fresh water amount consumed needed for quasi- assimilation pollutant burden.
The research for product industry water footprints or water footprints is to be based on virtual water theory mostly at present, i.e., related green
The volume capacity adduction of water footprints, blue water footprints and grey water footprints, and it is expressed as a single numerical value.
However, being clear water resources consumption and pollution due to understanding and using the key of water footprints or product industry water footprints
Environment influence, therefore water footprints should reflect the influence of different production areas, production time to water resource.How to evaluate, opens
Hair and marketing saving product of water, become research, exploitation, production, marketing and consumption activity and have to solve the problems, such as.
Liquid detergent has in terms of resource consumption and energy consumption and has great advantage relative to washing powder.But at present for washing
The survey calculation method of clothing liquid water footprints is carried out primarily directed to link is manufactured.
Summary of the invention
The technical problems to be solved by the invention are just to provide a kind of survey calculation of liquid detergent Life cycle water footprints
Method.
Above-mentioned technical problem is solved, the technical solution adopted in the present invention is as follows:
A kind of survey calculation method of liquid detergent Life cycle water footprints, it is characterized in that the following steps are included:
S1. it measures
Implement three-level metering: factory level, workshop level and device level, it is at different levels to pacify respectively on water intaking, multiplexing water, drainage pipeline
Mounted in line measuring instrument, on-line metering is realized;
Described unit liquid detergent COD (COD) yield, Wastewater Pollutant generate index and refer to end-o f-pipe -control
Index before should be added up after the monitoring in each workshop or device respectively;
Test condition: normal production status;
Sample the frequency: per half a month sampling is primary, at least acquires three groups or more samples every time;
All indexs are averaged by the measured data of sampling number;
S2. unit of account liquid detergent indigo plant water footprints, calculation formula are as follows:
WFBW=FW × f;
In formula: WFBWFor unit liquid detergent indigo plant water footprints (m3/t);
FW is that unit liquid detergent takes water (m3/t);
F is conversion factor, value range 0-1.5;
S3. unit of account liquid detergent ash water footprints, calculation formula are as follows:
WFGW=GW × (k ÷ S);
In formula: WFGWFor unit liquid detergent ash water footprints (m3/t);
GW is unit liquid detergent waste water yield (m3/t);
K is discharge of wastewater concentration;
S is that environmental requirement allows concentration of emission;
S4. unit of account liquid detergent takes water, and the unit liquid detergent takes water and refers to one ton of liquid detergent of every production
Consumed fresh water amount;The fresh water refers to the water obtained from various water sources, refers to the source water for supplying enterprise water use
Amount;The various water sources include the production for being derived from surface water, underground water, urban water supply engineering and the steam bought from market
Product are calculated as follows:
In formula: V is the water withdrawal of one ton of liquid detergent of every production, and unit is cubic meter (m per ton3/t);
ViFor the liquid detergent production water withdrawal in one-year age, unit is cubic meter (m3);
Mc is output of fluid of doing washing in one-year age, and unit is ton (t);
S5. unit of account liquid detergent waste water yield, the unit liquid detergent waste water yield refer to that every one ton of production is washed
The wastewater flow rate that clothing liquid generates, is calculated as follows:
In formula: VjTo produce the wastewater flow rate that liquid detergent per ton generates, unit is cubic meter (m per ton3/t);
VgFor the enterprise wastewater yield in one-year age, unit is cubic meter (m3);
McFor enterprise's liquid detergent yield in one-year age, unit is ton (t);
S6. unit of account liquid detergent COD (COD) yield
Unit liquid detergent COD yield refers to that the amount of COD in the waste water of liquid detergent production process generation, the amount exist
Workshop discharge outlet or waste water processing station inlet are measured, and are calculated as follows:
In formula: Qc is the COD yield for producing liquid detergent per ton, and unit is gram (g/t) per ton;
CiFor in one-year age, each production link COD generates concentration and surveys weighted value, unit is milligrams per liter (mg/
L);
VwFor in one-year age, enterprise produces waste water yield, unit is cubic meter (m3);
Q is enterprise's liquid detergent total output in one-year age, and unit is ton (t).
S7. liquid detergent Life cycle water footprints are calculated
Liquid detergent Life cycle water footprints are made of blue water footprints, grey water footprints and water footprints grading index, wherein water
Footprint grading index takes water, unit liquid detergent waste water yield and unit liquid detergent chemical oxygen demand volume production by unit liquid detergent
Three indicator combinations of raw amount.
Liquid detergent water footprints index ranking score three-level.
When liquid detergent water footprints grade is level-one, unit liquid detergent takes water/(m3/ t)≤1.0, unit liquid detergent is useless
Water yield/(m3/ t)≤0.4, unit liquid detergent COD yield/(g/t)≤350 these three indexs meet simultaneously
It is required that.
When liquid detergent water footprints grade is second level, unit liquid detergent takes water/(m3/ t)≤1.3, unit liquid detergent is useless
Water yield/(m3/ t)≤0.4, unit liquid detergent COD yield/(g/t)≤480 these three indexs meet simultaneously
It is required that.
When liquid detergent water footprints grade is three-level, unit liquid detergent takes water/(m3/ t)≤1.5, unit liquid detergent is useless
Water yield/(m3/ t)≤0.6, unit liquid detergent COD yield/(g/t)≤600 these three indexs meet simultaneously
It is required that.
The utility model has the advantages that the present invention sets liquid detergent by establishing enterprise's liquid detergent water production process water footprints index system
Life cycle water footprints three-level grading index, and the layout of the measuring instrument at scene is provided, it realizes on-line checking, then counts
Analytical calculation can finally determine the water footprints grade of product.
Detailed description of the invention
Fig. 1 is on-line metering instrument arrangement figure;
Fig. 2 water footprints grading index system figure;
Fig. 3 is survey calculation display system figure.
Appended drawing reference in figure:
1- water metering instrument;2- drainage metering instrument, 3- output multiplexing water flowmeter, 4- input multiplexing water gauge
Table.
Specific embodiment
The survey calculation embodiment of the method for liquid detergent Life cycle water footprints of the invention, comprising the following steps: S1. is surveyed
Amount
Implement three-level metering: factory level, workshop level and device level, it is at different levels to pacify respectively on water intaking, multiplexing water, drainage pipeline
Mounted in line measuring instrument, referring to Fig. 1, water metering instrument 1, drainage metering instrument 2, output multiplexing water gauge 3 and input multiplexing
Water flowmeter 4 realizes on-line metering;
Described unit liquid detergent COD (COD) yield, Wastewater Pollutant generate index and refer to end-o f-pipe -control
Index before should be added up after the monitoring in each workshop or device respectively;
Test condition: normal production status;
Sample the frequency: per half a month sampling is primary, at least acquires three groups or more samples every time;
All indexs are averaged by the measured data of sampling number;
S2. unit of account liquid detergent indigo plant water footprints, calculation formula are as follows:
WFBW=FW × f;
In formula: WFBWFor unit liquid detergent indigo plant water footprints (m3/t);
FW is that unit liquid detergent takes water (m3/t);
F is conversion factor, value range 1-1.5;
S3. unit of account liquid detergent ash water footprints, calculation formula are as follows:
WFGW=GW × (k ÷ S);
In formula: WFGWFor unit liquid detergent ash water footprints (m3/t);
GW is unit liquid detergent waste water yield (m3/t);
K is discharge of wastewater concentration;
S is that environmental requirement allows concentration of emission.
S4. unit of account liquid detergent takes water, and the unit liquid detergent takes water and refers to one ton of liquid detergent of every production
Consumed fresh water amount;Fresh water refers to the water obtained from various water sources, is the source water water for supplying enterprise water use;It is various
Water source includes the product for being derived from surface water, underground water, urban water supply engineering and the steam bought from market, is calculated as follows:
In formula: V is the water withdrawal of one ton of liquid detergent of every production, and unit is cubic meter (m per ton3/t);
ViFor the liquid detergent production water withdrawal in one-year age, unit is cubic meter (m3);
Mc is output of fluid of doing washing in one-year age, and unit is ton (t);
S5. unit of account liquid detergent waste water yield, the unit liquid detergent waste water yield refer to that every one ton of production is washed
The wastewater flow rate that clothing liquid generates, is calculated as follows:
In formula: VjTo produce the wastewater flow rate that liquid detergent per ton generates, unit is cubic meter (m per ton3/t);
VgFor the enterprise wastewater yield in one-year age, unit is cubic meter (m3);
McFor enterprise's liquid detergent yield in one-year age, unit is ton (t);
S6. unit of account liquid detergent COD (COD) yield
Unit liquid detergent COD yield refers to that the amount of COD in the waste water of liquid detergent production process generation, the amount exist
Workshop discharge outlet or waste water processing station inlet are measured, and are calculated as follows:
In formula: Qc is the COD yield for producing liquid detergent per ton, and unit is gram (g/t) per ton;
CiFor in one-year age, each production link COD generates concentration and surveys weighted value, unit is milligrams per liter (mg/
L);
VwFor in one-year age, enterprise produces waste water yield, unit is cubic meter (m3);
Q is enterprise's liquid detergent total output in one-year age, and unit is ton (t).
S7. enterprise's liquid detergent Life cycle water footprints are calculated
Liquid detergent Life cycle water footprints are made of blue water footprints, grey water footprints and water footprints grading index, wherein water
Footprint grading index takes water, unit liquid detergent waste water yield and unit liquid detergent chemical oxygen demand volume production by unit liquid detergent
Three indicator combinations of raw amount.
Liquid detergent water footprints index ranking score three-level.
When liquid detergent water footprints grade is level-one, unit liquid detergent takes water/(m3/ t)≤1.0, unit liquid detergent is useless
Water yield/(m3/ t)≤0.4, unit liquid detergent COD yield/(g/t)≤350 these three indexs meet simultaneously
It is required that.
When liquid detergent water footprints grade is second level, unit liquid detergent takes water/(m3/ t)≤1.3, unit liquid detergent is useless
Water yield/(m3/ t)≤0.4, unit liquid detergent COD yield/(g/t)≤480 these three indexs meet simultaneously
It is required that.
When liquid detergent water footprints grade is three-level, unit liquid detergent takes water/(m3/ t)≤1.5, unit liquid detergent is useless
Water yield/(m3/ t)≤0.6, unit liquid detergent COD yield/(g/t)≤600 these three indexs meet simultaneously
It is required that.
Survey calculation display system of the invention is as shown in Figure 3.
Unit liquid detergent indigo plant water footprints pass through the data of on-line metering instrument measurement, and the yield of the product produced, lead to
Computation analysis module is crossed, the calculation method provided according to the present invention calculates as a result, being stored in database.
Unit liquid detergent ash water footprints pass through the data of on-line metering instrument measurement, and the yield of the product produced, lead to
Computation analysis module is crossed, the calculation method provided according to the present invention calculates as a result, being stored in database.
Unit liquid detergent wastewater flow rate passes through the data of on-line metering instrument measurement, and the yield of the product produced, passes through
Computation analysis module, the calculation method provided according to the present invention calculate as a result, being stored in database.
Unit liquid detergent COD (COD) yield, Wastewater Pollutant generation index refer to before end-o f-pipe -control
Index should be added up after the monitoring in each workshop or device respectively.All indexs press the measured data of sampling number into
Row is average, and specific requirement see the table below 1.
Table 1
By computation analysis module, the calculation method provided according to the present invention is calculated as a result, being stored in database.
Laundry liquid product water footprints grade is divided into three-level: level-one is international most advanced level;Second level is domestically leading level;Three
Grade is advanced international level.
Laundry liquid product water footprints technical requirement such as table 2.
Table 2
Judge product water footprints grade according to table 2 by computation analysis module, be stored in database.
Field data display module calculates data by calling in database, show blue water, the buck of product water footprints
And the case where each grading index and water footprints grade.In addition, other software systems call live number by data-interface
According to data in display module or database, the further application of data is carried out.
Claims (8)
1. a kind of survey calculation method of liquid detergent Life cycle water footprints, it is characterized in that the following steps are included:
S1. it measures;
S2. unit of account liquid detergent indigo plant water footprints;
S3. unit of account liquid detergent ash water footprints;
S4. unit of account liquid detergent takes water;
S5. unit of account liquid detergent waste water yield;
S6. unit of account liquid detergent COD yield;
S7. liquid detergent Life cycle water footprints are calculated.
2. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S1
In measurement, implement three-level metering: factory level, workshop level and device level, it is at different levels to pacify respectively on water intaking, multiplexing water, drainage pipeline
Mounted in line measuring instrument, on-line metering is realized.
3. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S2
The calculation formula of middle unit of account liquid detergent indigo plant water footprints is as follows:
WFBW=FW × f;
In formula: WFBWFor unit liquid detergent indigo plant water footprints (m3/t);
FW is that unit liquid detergent takes water (m3/t);
F is conversion factor, value range 0-1.5.
4. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S3
The calculation formula of middle unit of account liquid detergent ash water footprints is as follows:
WFGW=GW × (k ÷ S);
In formula: WFGWFor unit liquid detergent ash water footprints (m3/t);
GW is unit liquid detergent waste water yield (m3/t);
K is discharge of wastewater concentration;
S is that environmental requirement allows concentration of emission.
5. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S4
In, the unit liquid detergent takes water and refers to fresh water amount consumed by one ton of liquid detergent of every production;The fresh water refers to
The water obtained from various water sources, refers to the water source water for supplying enterprise water use;The various water sources include be derived from surface water,
The product of underground water, urban water supply engineering and the steam bought from market, is calculated as follows:
In formula: V is the water withdrawal of one ton of liquid detergent of every production, and unit is cubic meter (m per ton3/t);
ViFor the liquid detergent production water withdrawal in one-year age, unit is cubic meter (m3);
Mc is output of fluid of doing washing in one-year age, and unit is ton (t).
6. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S5
In, the unit liquid detergent waste water yield refers to the wastewater flow rate that one ton of liquid detergent of every production generates, it is calculated as follows:
In formula: VjTo produce the wastewater flow rate that liquid detergent per ton generates, unit is cubic meter (m per ton3/t);
VgFor the enterprise wastewater yield in one-year age, unit is cubic meter (m3);
McFor enterprise's liquid detergent yield in one-year age, unit is ton (t).
7. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S6
Middle unit of account liquid detergent COD yield refers to the amount of COD in the waste water of liquid detergent production process generation, and the amount is in life
It produces workshop discharge outlet or waste water processing station inlet is measured, be calculated as follows:
In formula: Qc is the COD yield for producing liquid detergent per ton, and unit is gram (g/t) per ton;
CiFor in one-year age, each production link COD generates concentration and surveys weighted value, unit is milligrams per liter (mg/L);
VwFor in one-year age, enterprise produces waste water yield, unit is cubic meter (m3);
Q is enterprise's liquid detergent total output in one-year age, and unit is ton (t).
8. the survey calculation method of liquid detergent Life cycle water footprints according to claim 1, it is characterized in that: step S7
Middle calculating liquid detergent Life cycle water footprints, liquid detergent Life cycle water footprints are by blue water footprints, grey water footprints and water foot
Mark grading index composition, wherein water footprints grading index by unit liquid detergent take water, unit liquid detergent waste water yield and
Unit liquid detergent COD three indicator combinations of yield;Liquid detergent water footprints index ranking score three-level:
When liquid detergent water footprints grade is level-one, unit liquid detergent takes water/(m3/ t)≤1.0, unit liquid detergent waste water generates
Amount/(m3/ t)≤0.4, unit liquid detergent COD yield/(g/t)≤350 these three indexs are met the requirements simultaneously;
When liquid detergent water footprints grade is second level, unit liquid detergent takes water/(m3/ t)≤1.3, unit liquid detergent waste water generates
Amount/(m3/ t)≤0.4, unit liquid detergent COD yield/(g/t)≤480 these three indexs are met the requirements simultaneously;
When liquid detergent water footprints grade is three-level, unit liquid detergent takes water/(m3/ t)≤1.5, unit liquid detergent waste water generates
Amount/(m3/ t)≤0.6, unit liquid detergent COD yield/(g/t)≤600 these three indexs are met the requirements simultaneously.
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