Comprehensive utilization method of fly ash generated by household garbage incineration

• Main Authors: CHEN YUYAN, YANG MAOHUA, YANG LIFANG, LONG BINGQING, YANG XIUYONG, HE JIANHUA
• Format: Patent
• Language: Chinese; English
• Published: 21.01.2022
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; CONCRETE; INORGANIC CHEMISTRY; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention provides a comprehensive utilization method of fly ash generated by household garbage incineration. The comprehensive utilization method comprises the processes of hydrochloric acid leaching, conversion of calcium in a leaching solution into light calcium carbonate or gypsum, production of potassium chloride and sodium chloride mixed salt through other processes, production of a light filler product through residues and the like. 本发明介绍的生活垃圾焚烧产生的飞灰的一种综合利用方法，包括盐酸浸出、将浸出液中的钙转化成轻质碳酸钙或者石膏、其余生产氯化钾和氯化钠混合盐、残渣生产轻质填料产品等过程。