青岛红旗化工厂自生产氰化钠以来,每年约有25吨废渣排出。由于废渣中含有少量的氰化物,严重污染水域和地面。1971年以来,化工厂广大职工遵照毛主席关于“综合利用大有文章可做”的教导,发扬自力更生精神,从废渣中成功地生产出符合国家标准的黄血盐。每年可向国家提供12吨产品。 Qingdao Hongqi chemical plant since the production of sodium cyanide, about 25 tons of waste discharged each year. Due to the small amount of cyanide contained in the waste, it seriously pollutes the water and the ground. Since 1971, the vast majority of workers in the chemical plant have followed the teachings of Chairman Mao on the principle of “a great deal of comprehensive utilization can be done” to promote the spirit of self-reliance and successfully produce yellow blood salt that meets the national standards from waste residue. Each year to the country to provide 12 tons of products.