日本最大的混凝土管厂商——日本混凝土管公司首先在同行业中开发成功了混有特殊防菌剂的混凝土二次产品,并已开始市售。据称,它可控制下水管等内部硫磺氧化细菌的繁殖,控制硫酸引起的混凝土腐蚀现象。 由于因下水管腐蚀导致的道路塌陷等问题正日益困扰着社会环境,引起了日本行政部门及混凝土二次产品业界的重视。目前,关于防菌剂的销售正在研究之中。正因为聚氯乙烯管和钢管等 Japan’s largest concrete pipe manufacturer, Japan Concrete Pipe Co., Ltd. first developed a concrete secondary product with a special antibacterial agent in the same industry, and it has already begun commercial sales. It is said that it can control the proliferation of sulfur-oxidizing bacteria inside sewage pipes and control the corrosion of concrete caused by sulfuric acid. As road collapse caused by corrosion of sewage pipes is increasingly plaguing the social environment, it has attracted the attention of the Japanese government and the concrete secondary product industry. At present, sales of antibacterial agents are under study. Because of PVC pipes and steel pipes