书籍通知。

书籍通知。

关于肯塔基州路易斯维尔俄亥俄河水净化的调查报告,该调查向路易斯维尔水公司的总裁和董事进行了报告。乔治·W(George W),富勒(Fuller),路易斯维尔水公司(Louisville Water Company)等的首席化学家兼细菌学家等。与董事达成协议。纽约:D。VanNostrand Company,1898年,第461页。价格$ 10.00。

对于所有对净化和过滤水的主题感兴趣的人,上述报告将是无价的。的确,它主要涉及“俄亥俄河和路易斯维尔水公司的实验;但是,富勒先生在信息上撰写的这些实验仅记录了这些实验的信息,这些信息不得不为化学家,细菌学家和Svater赚钱。本书的内容清单表明它是过滤及其在该大陆和欧洲的各种方法的完整而详尽的历史。介绍涉及调查的位置,范围和主要日期,经过测试的净化系统的性质,沃伦,珠宝和西方系统的特征,以及Harris,Mark-Brownell和MacDougall Polarite Exchance和MacDougall Polarite设备以及系统。它还解释了路易斯维尔水公司的方法和设备进入了水净化的发展历史,即在这些测试开始时的状态,并简要地讲述了最重要的Foieign过滤器类型的故事,没有凝结剂的沙子过滤,英国过滤器的运作,其在美国的接收和操作,这时作者对待了美国过滤器,其效率和成本,并降低了进行测试的条件。后续章节的摘要如下:俄亥俄州水在新鲜物体之前和之后的成分,其物理和化学特征,以及日常分析表,特殊的化学分析;俄亥俄河水的生物学特征; microscopical examination of the water and its results; species and number of bacteria found—the latter by days. Chapter 2. —Description of the application of chemicals to the river water by the respective systems of purification. Chapter 3.— Decomposition and subsequent disposal of the alum or sulphate of alumina solutions applied to the river water. Chapter 4.—Coagulation and sedimentation of the river watt-r by aluminum hydrate, formed by the decomposition of the applied alum or sulphate of alumina. Chapter 5.—Description of the filters through which the water passed after coagulation by aluminum hydrate and partial purification by sedimentation. These filters were the Warren filter, the Jewell filter, the Western gravity filters A and. B—the latter differing from the former in the location of the sand layer and the device for distributing the wash water, and the Western pressure filter. Chapter 6 gives a summary of the various parts of the respect tive systems and a record of repairs, changes, and delays. Chapter 7 details the manner of operation of* the respective systems of purification, and the amount of attention given thereto. Chapter 8 treats of the composition of the river water after treatment by the respective systems of purification, as shown by chemical, microscopical, and bacterial analyses; together with a tabulation of the most important data on the operation of the respective systems. Chapter 9 continues this summary dealing with the principal data upon the efficiency and elements of cost of purification of the water by the respective systems, divided into twenty periods, according to the character of the unpurified water; together with a very important discussion of some of the more important figures. The final conclusion arrived at was that,

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