In the traditional old coal-fired boiler technology limited, in the production process of waste residue, waste gas, waste water waste and taste, is energy polluters and governance difficulties.
在传统老式的燃煤锅炉技术有限的情况下，生产过程中废渣、废气、废水三废俱全，是耗能污染大户并且治理困难。
Large amount of poisonous gas, coal and waste rocks badly influence the safe product for coal mine, and also cause the economic loss to our country.
煤与瓦斯突出产生大量的煤与矸石和有毒的瓦斯气体，严重影响煤矿安全生产，给国家造成或大或小的经济损失。
Compared with fossil diesel, biodiesel from waste cooking oil, DME from natural gas or coal, and F-T diesel from natural gas have economic competition.
与石化柴油比较，以废弃食用油或泔脚油为原料的生物柴油，以天然气和煤为原料的DME以及以天然气为原料的F—T柴油具有经济竞争力。
Introduce the application of gas floatation technology in coal pressure gasification waste water at Harbin gasification Plant, and expound its process principle and scheme.
介绍了气化技术在哈尔滨气化厂煤加压气化废水中的应用，并详细阐述了其工艺原理及工艺流程。
Extracting alumina from coal refuse, sintering cement clinker directly from residues and circulating waste gas and liquid is a unusual technology for utilization of coal refuse.
从煤矸石中提取氧化铝，并用残渣直接煅烧硅酸盐水泥熟料，同时作废气、废液循环，是煤矸石资源开发利用的新工艺。
Surface subsidence and the discharge of refuse, wastewater and waste gas constitute the main impact of coal mining on the environment.
煤炭开采过程中对环境的主要影响有地表塌陷破坏和废石、废水、废气的排放。
The process flow, design calculation and effect of implementing thermal insulation toward coal bunker of coke oven battery by means of waste heat in flue gas is described in this paper.
介绍了利用焦炉烟道废气余热对煤塔实施冬季保温的工艺流程、设计计算及保温效果。
Air leakage from coal mining face to gob has great influence on gas distribution and emission as well as spontaneous combustion in waste.
回采工作面采空区漏风对于采空区遗煤自燃发火和采空区瓦斯分布及其涌出有重要的影响。
This system is of comprehensive utilization of waste material. Compared with its economic property, it is suitable for middle and small coal-fired boiler flue gas.
作者对其技术经济性能作了初步的比较分析，认为该设备适合于中小型燃煤锅炉的烟气除尘脱硫。
In the end, the possibilities of application of the HTAC technique to oil - and gas-fired boilers and coal or combustible solid-waste gasification systems were presented.
最后，指出了在燃油、燃气锅炉及煤(或可燃固体废弃物)气化系统中采用HTAC技术的可能性。
In the end, the possibilities of application of the HTAC technique to oil - and gas-fired boilers and coal or combustible solid-waste gasification systems were presented.
最后，指出了在燃油、燃气锅炉及煤(或可燃固体废弃物)气化系统中采用HTAC技术的可能性。
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