introduction of desulfurization process appropriate …integrated evaluation platform for...
TRANSCRIPT
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Introduction of DesulfurizationProcess Appropriate for China
KOGAKUIN UNIVERSITYMasayoshi Sadakata
June 30, 2007
International symposium on Global Innovation Ecosystem 2007
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Theory of Tunnel RouteTheory of Tunnel Route
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Tunnel Route
GDP/head
CO
2/he
ad(K
g-C
)
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104
103
102
10
103 104 105 106
CO
2/he
ad(K
g-C
)
GDP/head
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HDI
GNP/head
$
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Hum
an D
evel
opm
ent
GDP per head
Tunnel Route
CO2 Emission per head
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Robert Robert SolowSolow (Nobel Prize of (Nobel Prize of Economics)Economics)
““The only origin of a long term economic The only origin of a long term economic growth is a technology progressgrowth is a technology progress..””
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For Implementation of Tunnel RouteFor Implementation of Tunnel Route
1) Industry Using CO2 and Natural Energy
2) Production-Type Environmental Technology
3) Environmental Industry
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Why does the destruction of Why does the destruction of environment progress in the environment progress in the developing countries?developing countries?
-The Mechanism of Rapid Environmental Destruction in Asian Developing Countries -
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Population Increase l Pollution
Poverty of Farm LandDecrease of Productivity
Disappearance of Forest
Chain Cycle to Environmental Destruction of TownChain Cycle to Environmental Destruction of Town--VillageVillage--ForestForest
Outflow of Population Outflow of Surface SoilOutflow of Population Outflow of Surface Soil
Increase of Increase of
Cultivated LandCultivated Land
Air and Water PollutionAir and Water Pollution
TownTown Farm VillageFarm Village ForestForest
Soil PollutionSoil Pollution
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Environmental Cleanup of Ocher PlateauEnvironmental Cleanup of Ocher Plateau
TownTown Farm VillageFarm Village ForestForest
Food, Agricultural Products, Energy
Fertilizer, Forest Products
Fertilizer, Improver Improver
Environmental CleanupEnvironmental CleanupModeration of Moderation of PopulaPopulattionion
Environmental CleanupEnvironmental CleanupEconomical DevelopmentEconomical Development
Environmental Cleanup Environmental Cleanup Increase of Forest AreaIncrease of Forest Area
Simplified Simplified DesurfurizationDesurfurizationMethodMethodSmall clearSmall clear--water methodwater method
Soil Improvement Soil Improvement MethodMethodBiobriquetBiobriquet Technology Technology
Regeneration of ForestRegeneration of ForestUse of Forest ProductsUse of Forest Products
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Conditions for Solution of Environmental Problem of Asian Developing Countries
① Economical Development of Farm Village
② Industrial Development Harmonized with
Agriculture Development(Agriculture has been destroyed by industrial development so far.)
③ Realization of Symbiosis Relationship between
Town, Farm village and Forest
④ Policy and Technology leading Incentive of
Regional People
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Contribution of Industrial Technology to Agriculture Development
-Use of Industrial By-Products for Agriculture-
Research Profile of Sadakata Lab.1) Improvement of Alkali Soil Using Gypsum2) Technology for the Prevention of Sea
Desertification using Converter Slug
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Environmental Problems in China
Air Pollution Desertification
Food Problem
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2001年
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Background of ResearchBackground of Research
Air Pollution Problem
Introduction of DeSOx Plant
By-Product (gypsum)
Alkali Soil ProblemAlkali Soil (Na Accumulated)Alkali Soil (Na Accumulated)
Solution of Food Problem
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Performed by Fukuya Iino
0% 0.5% 1.0% 1.5% 2.0% 2.5% 5.0%
Effect of Gypsum on the growth of the wheat
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Recent Situation (2004)
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NewNew System of Utilizing Gypsum from System of Utilizing Gypsum from DesulfurizationDesulfurizationProcess for improvement of a Sodium SoilProcess for improvement of a Sodium Soil
Coal Combustion Power Plant
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Annual Costs of two Desulfurization Plants (Boiler output: 100MW)
1) Years of depreciation: 10 Year2) Input SO2 Concentration: 1000ppm
Efficiency: 90% (for Wet Lime-Gypsum Process),70% (for Simplified Wet Process)
Wet Lime-Gypsum Process
Simplified Wet Process
Equipment Cost1) 200 Million Yen 140 Million Yen Operating Cost 84 Million Yen 69 Million Yen Total 284 Million Yen 209 Million Yen Desulfurization Cost2)
(Yen/kg-SO2) 39.4 Yen 29.0 Yen
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Case Study-An Application Example to Inner Mongoliaー
Model Area: BaotouTotal Production of Electricity: 500 MWCoal Usage: 160 million ton/yearGypsum Production: 75,400 ton/yearGypsum Requirement: 12.4 ton/yearEnlargement of Farmland: 6,080ha/year(=55,000 person/year)
(0.11ha/per farmer)
Absorption of CO2: A 30A 30--year soil improvementyear soil improvement would would be comparable to be comparable to the absorption of total COthe absorption of total CO22 emissionemissionfrom a power plant.from a power plant.
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内蒙农业大学科技园区内蒙农业大学科技园区
20052005年未施和施用脱硫渣的苜蓿地对照年未施和施用脱硫渣的苜蓿地对照
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银川前进农场碱化地的改造效果
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Development of Novel Development of Novel DeSOxDeSOxProcess Applicable to ChinaProcess Applicable to China
1) DeSOx Process from Flue Gas1. Water Film Method2. TT Process3. Chain Reaction Process
2) Biobriquet Combustion
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Conditions of Conditions of DeSOxDeSOx Technology Technology Applicable to ChinaApplicable to China
1) Low Cost2) Dry Process (Water-Saving Type)3) Valuable By-Products
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Purpose of the ResearchThe purpose of this research is as follows: The purpose of this research is as follows:
to construct technologies which could solve the following three problems all at once; breakdown of the recycling mechanism of feces breakdown of the recycling mechanism of feces and urine from cities in Ocher Plateau to farm villagesand urine from cities in Ocher Plateau to farm villages, indoor air indoor air pollution by direct combustion of biomass, and sediment dischargpollution by direct combustion of biomass, and sediment discharge e by depletion of forestby depletion of forest; to establish the frame work of society in order to popularize them on site.
More specifically it means the introduction of such technologies introduction of such technologies developed in Japandeveloped in Japan as
(1) production of liquid fertilizer from feces and urine(1) production of liquid fertilizer from feces and urine, and(2) production of (2) production of biobriquetsbiobriquets,
to solve the problems of excrement and indoor air pollution.This research also aims at the greening by soil improvement using the the greening by soil improvement using the gypsum which is generated by the combustion of liquid fertilizergypsum which is generated by the combustion of liquid fertilizer and and biobriquetsbiobriquets.
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Water Film Desulfurization Process in Shenyang 2000
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Demonstrators of Simplified Demonstrators of Simplified DeSOxDeSOxProcess Process
1st Plant: 1st Plant: Shenyang Shenyang ((AnhuiAnhui Province) Province)
2nd Plant: Nanning(Guangxi Autonomous Region)
3rd Plant: Hangzhou(Zhejiang Province)
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GAS IN ProcessGAS IN Process
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南宁冶炼厂烟气脱硫南宁冶炼厂烟气脱硫
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杭州钢铁厂烟气脱硫杭州钢铁厂烟气脱硫
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TT ProcessTT ProcessFeatures
•Higher SOxRemoval Efficiency (>70%) in the dry process
•Auto-Isolation of By-Product
Because of pulverization, generated gypsum is automatically isolated in the cyclone.
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TT Process TT Process Circulating Fluidized BedCirculating Fluidized Bed
CFB Reactor
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NewNew Solvent-Solvent- FLASHFLASH
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Technologies Contributing to the Technologies Contributing to the Economical Development of Farm VillagesEconomical Development of Farm Villages
1) Industry Using Biomass as Resource and Natural Energy as Source of Energy
2) Industries Manufacturing Highly Added-Value Products from Agricultural Products
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White Coal and Ordinary White Coal and Ordinary Biobriquet Biobriquet
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Experimental SetupExperimental Setup
Air
GasCombustion Furnace
Thermo-couple
Fuel Inlet
CH12345
6
10987
Gas
Gas
Tar Trap
Tar Trap
Gas
Com
ponent Analyzer
Gas
Highest Temperature Zone(CH2、CH7)
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Input Coefficient in the InterindustryTable
A Result of SimulationA Result of Simulation((Introduction of Introduction of 90%90%))
Production Production by Province/Industrial OriginNumber of workersNumber of workers((nonnon--agricultureagriculture))
Number of Workers, Number of Workers, Production, and WagesProduction, and Wagesin Agricultural Sectorin Agricultural Sector
Wages by Industrial Origin
Home Goods PriceHome Goods PriceComposite Goods Composite Goods
PricePrice
Added ValueAdded Value (IncomeIncomess) by Province/Industrial Origin
Investment Investment Goods Goods
DemandDemand
Consumer SpendingConsumer Spending by Province Origin
Item of Family Budget Item of Family Budget consumptionconsumption by Province Origin
I/O Open Model (Whole Country)
SOSO22 EmissionEmission by China Province Origin
Emission of By-Product Gypsum
Data for the population
/climate
SO2 Concentration distribution in Every Large Mesh
Emission Allocated to Every Mesh
Effect of Soil Improvement
Population Datum in Every Mesh
Change Profile of Incidence/Symptom in Every Mesh
Decrease of Workers Medical Demand
Economic Model
SoilImprovement
ModelPatient
Incidence Model
Air Diffusion Model
Simulations Adopting SOSimulations Adopting SO22 Removal ActivityRemoval Activity
Soil ImprovementSoil Improvement in the Area of in the Area of 550,000 ha550,000 haIncrease of Cone ProductionIncrease of Cone Production(Equivalent to the population of ca. (Equivalent to the population of ca. 14.36 billion14.36 billion))IncidenceIncidence::21% Decrease21% Decrease
SOxSOx::8.0% Decrease8.0% DecreaseCOCO22::0.6% Increase0.6% Increase
Nominal GDPNominal GDP::2.68% Increase2.68% IncreaseReal GDPReal GDP::0.55% Increase0.55% IncreaseInflation RateInflation Rate::2.1%2.1%
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Overall View of the System
DecreaseLack
Large Seaweed
Sea Urchin
Fe Humic MaterialNutrient
Ocean Current Change
Rise of Water Temperature
TyphoonStormy
Weather
Influx of DirtTurbidity Rise
Essential
Chelate
Kill Spores
VanishSeaweed Beds
VanishSeaweed
Beds
Inhibitgrowth
Monopolize Sunlight
Kill Spores
Attract
Eat
Change the Flow
Protect
<competition>
Natural Phenomenon
Environmental Factor
Material Factor
Artificial Factor
Revetment Work
Landslide Prevention BarrierStraightening of
River
Coralline
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Rapid IndustrializationRapid Industrialization
Solid Waste PollutionSolid Waste PollutionAir PollutionAir Pollution Water PollutionWater Pollution
Soil PollutionSoil Pollution
Disappearance of Farm Land/ForestDisappearance of Farm Land/Forest
DesertificationDesertification
Depletion of Water Resource, Food, and FuelDepletion of Water Resource, Food, and Fuel
Disappearance of CivilizationDisappearance of Civilization
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Fig. Integrated evaluation platform for environmental improvement technology
Economic model
Prevention technology for air pollution
(DeSOx equipment, Bio-briquette)Air diffusion model
Model for evaluate the number of patients
Effect of soil reclamation
Environment improvement processSO2 exhaust coefficient
for each province
SO2 concentrationin subsection
Demand of medical service
Change of total labor supply
CO2 & SO2 emissions (each province and city), economic variables (GDP etc.), soil reclamation area, agricultural
production, change of the number of patients
Economic model
Prevention technology for air pollution
(DeSOx equipment, Bio-briquette)Air diffusion model
Model for evaluate the number of patients
Effect of soil reclamation
Environment improvement processSO2 exhaust coefficient
for each province
SO2 concentrationin subsection
Demand of medical service
Change of total labor supply
CO2 & SO2 emissions (each province and city), economic variables (GDP etc.), soil reclamation area, agricultural
production, change of the number of patients
IIntegrated ntegrated EEvaluation valuation PPlatform for latform for EEnvironmental nvironmental IImprovement mprovement TTechnologyechnology
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Fig. Conceptual diagram of integrated model that evaluate the introduction of desulfurization technology in China
Economic Model & Soil Reclamation ModelEconomic Model & Soil Reclamation Model
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The change of the economic variable (ex. GDP), CO2, and SO2 emissions were simulated when the desulfurization equipment and the biobriquettemanufacturing equipment were introduced into China.
In that case, the effect of the alkali soil improvement with the desulfurization waste was included. Calculated scenario (Scenario 1-4) was assumed as follows:
Economy and Economy and EEnvironmental nvironmental AAssessment ssessment of of DDesulfurization esulfurization PProcess rocess InstallationInstallation in Chinain China
Scenario 1: The desulfurization equipment (wet limestone-gypsum method) is introduced into all coal-fired stations.
(DeSOx rate: 95%, operating rate: 63%).Scenario 2: The desulfurization equipment (simple wet method (water-film ))
is introduced into all coal-fired stations. (DeSOx rate: 80%, operating rate: 63%).
Scenario 3: Biobriquette manufacturing equipment is introduced into household use (household sector). (DeSOx rate:67%)
Scenario 4: Scenario 1(>100MW)+Scenario 2(<100MW)+Scenario 3
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Table1 CO2 and SO2 change rate and the change of real GDP in each scenario
Scenario 1 Scenario 2 Scenario 3 Scenario 4
CO2 change rate (%) △ 2.97 △ 1.90 ▼ 5.69 ▼ 4.18
SO2 change rate (%) ▼ 27.6 ▼ 23.9 ▼ 8.75 ▼ 35.3Real GDP (%) △ 4.62 △ 1.16 △ 0.08 △ 1.61
Reclaimed Alkali Soil Area 15.7 18.2 17.5 34.2(103km2/year) (Ratio %)※1 (3.14) (3.64) (3.50) (6.85)
Proportion in production (%) 2.94 4.91 4.08 7.81(upper: corn, lower: rice)※2 10.7 12.4 7.34 18.7
Table2 Effect of alkali soil reclamation in each scenario
Change of COChange of CO22, SO, SO22, GDP, , GDP, CCorn orn PProduction roduction and and SSoil oil RReclamation eclamation AArea in rea in eeach ach SScenariocenario
Scenario 1 Scenario 2 Scenario 3 Scenario 4
※1 Total Area of Alkali Soil:5.0×105 km2. (Wang et al., 1991)※2 Total Corn and Rice Production is based on National Bureau of Statistics of China 2004.