Article30enterprises shall make a comprehensive utilization of fly ash gangue tailing lean material scrap material exhaust gas and other industrial wastes generated in production.
第三十条企业应当按照国家规定，对生产过程中产生的粉煤灰、煤矸石、尾矿、废石、废料、废气等工业废物进行综合利用。
The invention relates to a method for the comprehensive utilization of fly ash and slag, in particular to a method for extracting the iron concentrate ore from the fly ash or the slag.
本发明涉及一种粉煤灰和炉渣的综合性利用的方法，特别是涉及一种从 粉煤灰或炉渣中提取铁精矿砂的方法。
Extracting aluminum oxide from fly ash and circulating waste gas, waste water and residue is a new process of comprehensive utilization of fly ash with high extra profit and low pollution.
从粉煤灰中提取氧化铝，并作废气、废液和废渣循环及利用，是一种粉煤灰高附加值、低污染的综合利用新工艺。
Also the economic and social benefits of producing silicon fertilizer from fly ash and iron slag were discussed, which could offer a new way for the comprehensive utilization of cinder and iron slag.
最后评估了利用粉煤灰、炼铁炉渣开发硅肥的经济效益和社会效益，这将为粉煤灰、高炉渣综合利用开辟提供有价值的参考。
Regarding environment and comprehensive utilization of slag, fly ash remelt system of wet bottom boiler is positive.
液态排渣炉飞灰复熔系统对环保和炉渣综合利用等具有积极意义。
Regarding environment and comprehensive utilization of slag, fly ash remelt system of wet bottom boiler is positive.
液态排渣炉飞灰复熔系统对环保和炉渣综合利用等具有积极意义。
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