化肥生产在环保方面仍存在较为严重的问题,应引起厂家注意。这些问题主要表现在以下四个方面:一是有的厂虽有环保设施,但却闲置不开或半开半停,在电视或其他新闻媒体上经常能看到有的企业“三废”超标排放的报道,可作佐证。二是环保技术难以过关。如以无烟块煤为原料 Fertilizer production still has more serious problems in environmental protection and should attract the attention of manufacturers. These problems are mainly reflected in the following four aspects: First, some plants have environmental protection facilities, but they are idle or half-half-half idle. Some companies can often see “three wastes” on television or other news media. Reports of excessive emissions can be used as evidence. The second is that environmental technology is difficult to pass. If smokeless lump coal is used as raw material