When the gas is cooled, any hazardous elements in the waste end up sealed in a glassy slag that is safe to put into landfill.

当气体冷却，任何有毒的物质会被封在玻璃状的熔渣中，被安全的填埋。

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In many countries power from landfill gas or waste-to-energy plants (like the one at Spittelau, outside Vienna, illustrated above) attracts subsidies of one kind or another because it saves emissions.

在许多国家，从或废物填埋场产生的气体和废物发电厂中获得的能源(例如在维也纳郊区Spittelau的那个电厂，如上图)获得各式各样的补贴，因为它减少了排放量。

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Waste decomposition and landfill gas generation process under different composition and temperature conditions was investigated by a landfill lysimeter of municipal solid waste.

通过城市生活垃圾的填埋降解模拟实验，研究了不同温度、不同垃圾成份对垃圾降解及填埋气产生过程的影响。

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In some markets, some of the time, biomass, geothermal, landfill gas and waste-to-energy can compete on price with carbon-based fuels.

ECONOMIST: When virtue pays a premium | The

In many countries power from landfill gas or waste-to-energy plants (like the one at Spittelau, outside Vienna, illustrated above) attracts subsidies of one kind or another because it saves emissions.

ECONOMIST: The waste business smells of money

Waste-to-energy and landfill-gas projects are likely to benefit most from green pricing, at least at first, because their costs are already close to those of conventional power producers.

ECONOMIST: When virtue pays a premium | The