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首頁(yè) > 資料下載 > 加拿大安大略省煤、天然氣和木質(zhì)顆粒生產(chǎn)電力的生命周期排放和成本Life Cycle Emissions and Cost of Producing Electricity from Coal,Natu
加拿大安大略省煤、天然氣和木質(zhì)顆粒生產(chǎn)電力的生命周期排放和成本Life Cycle Emissions and Cost of Producing Electricity from Coal,Natu 加拿大安大略省煤、天然氣和木質(zhì)顆粒生產(chǎn)電力的生命周期排放和成本Life Cycle Emissions and Cost of Producing Electricity from Coal,Natu

加拿大安大略省煤、天然氣和木質(zhì)顆粒生產(chǎn)電力的生命周期排放和成本Life Cycle Emissions and Cost of Producing Electricity from Coal,Natu

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煤炭的使用導(dǎo)致了全球溫室效應(yīng)的1/5。 氣體(GHG)排放。生物質(zhì)燃料替代煤炭 是有限的短期選擇之一,可以顯著減少 這些排放。我們?cè)谏芷诘幕A(chǔ)上調(diào)查100% 木質(zhì)顆粒環(huán)和煤環(huán)在兩次采煤中的應(yīng)用 加拿大安大略省的電臺(tái)。溫室氣體與大氣污染物標(biāo)準(zhǔn) 將排放量與當(dāng)前煤炭進(jìn)行比較,并進(jìn)行假設(shè) 天然氣聯(lián)合循環(huán)裝置.100%造粒 以千瓦時(shí)為單位提供最大的溫室氣體排放量, 與煤炭和NGCC相比,減排91%和78% 分別是系統(tǒng)。與煤相比,使用100%的顆粒 NOx排放降低40~47%,SOx排放降低76~81%。 每公噸160美元的小球和每公噸7美元的天然氣。 coring或NGCC提供了最具成本效益的溫室氣體減排 (分別是70美元和47美元/公噸二氧化碳當(dāng)量)。這個(gè) 差價(jià)、發(fā)電成本和任務(wù) 在兩個(gè)GS負(fù)責(zé)不同的選擇 首選。對(duì)燃料成本的敏感性分析顯示相當(dāng)可觀。 所有選項(xiàng)的結(jié)果重疊。球團(tuán)價(jià)格更低(100美元/ (公噸)導(dǎo)致每公噸二氧化碳34美元的緩解成本 在一個(gè)GS上相當(dāng)于10%輔環(huán)。研究 結(jié)果表明,生物質(zhì)在煤炭GS中的利用應(yīng)為 考慮到其具有成本效益地減少溫室氣體的潛力 煤基電力在近期內(nèi)。

The use of coal is responsible for 1/5 of global greenhouse gas (GHG) emissions. Substitution of coal with biomass fuels is one of a limited set of near-term options to signi?cantly reduce these emissions. We investigate, on a life cycle basis, 100% wood pellet ?ring and co?ring with coal in two coal generating stations (GS) in Ontario, Canada. GHG and criteria air pollutant emissions are compared with current coal and hypothetical naturalgascombinedcycle(NGCC)facilities.100%pelletutilization provides the greatest GHG bene?t on a kilowatt-hour basis, reducing emissions by 91% and 78% relative to coal and NGCC systems, respectively. Compared to coal, using 100% pellets reducesNOx emissionsby40-47%andSOx emissionsby76-81%. At $160/metric ton of pellets and $7/GJ natural gas, either co?ring or NGCC provides the most cost-effective GHG mitigation ($70 and $47/metric ton of CO2 equivalent, respectively). The differencesincoalprice,electricitygenerationcost,andemissions at the two GS are responsible for the different options being preferred. A sensitivity analysis on fuel costs reveals considerable overlap in results for all options. A lower pellet price ($100/ metric ton) results in a mitigation cost of $34/metric ton of CO2 equivalent for 10% co?ring at one of the GS. The study results suggest that biomass utilization in coal GS should be considered for its potential to cost-effectively mitigate GHGs from coal-based electricity in the near term.

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