The quality of pilot product produced by the new process is better than that of the product produced by lime process, the quality of chloroform met the high-class required by National Standard GB 4118-92, DMF products met the requirement of HG 2028-91. 新工艺小试产品和氯仿质量达到国标GB4118-92优等品要求,DMF产品达到HG2028-91标准要求。
The final solution containing arsenic was treated by adding lime and ferric salt, and waste water reached discharge standard. 最后的含砷溶液加入石灰和铁盐加以处理,废水达到了排放标准。
The waste water from waste acid treatment section and every workshop were mixed and treated by first-stage lime milk neutralization, arsenic removal with ferrous sulphate and two-stage lime milk neutralization to reach the effluent standard. 来自污酸处理工序和各车间的污水混合后进行一级石灰乳中和、硫酸亚铁除砷、二级石灰乳中和,实现达标排放。
Comparing two kinds of modified soil, the engineering property of the CMA-treated soil is superior to the modified soil of lime. The expansive index and strength index of two kinds of modified soil can satisfy the standard requirement. 比较而言,石灰改性土的改性效果要优于CMA改性土,但两种改性土的胀缩指标和强度指标均可以满足规范要求。
The acid tunnel wastewater from a non-ferrous mine, after treated by lime, can reach the industrial effluent standard, and the negotiable metal ions in the wastewater are retrieved. 某有色金属矿山坑道酸性废水经石灰中和沉淀后,经处理的废水能够达到工业废水排放标准,同时废水中的有价金属离子得到利用和回收。
As for treatment of waste water from the water scrubbing purification process of the sulfuric acid plant, if lime milk alone is used for neutralization, effluent emission will mostly exceed the standard limit, causing environmental pollution. 硫酸装置水洗净化工艺的污水处理,若单纯用石灰乳中和大都会出现超标排放、污染环境。
Sulphur content in sinter will increase with the increase of the activity of lime, but it is still satisfactory for technology standard of high quality sinters, the SO2 emissions from the flue gas can be reduced. 提高石灰活性度,烧结矿中硫含量提高,但仍满足优质烧结矿的要求,可以减少烧结烟气中SO2排放量。