new Iiterature diaest Water purification. Reverse osmosis and its application to high efficiency water purification and equipment is the subject of a 2 page bulletin. Special features of the Roga reverse osmosis units are described, as well as operating principles. Gulf General Atomic, Inc. 91 SO, control. A process for SO, and fly ash removal and recovery by a central process concept is described in a 4 page brochure. Economics and advantages of the concept are discussed, as well as removal efficiency, add-on capability, and space requirements. The company claims that the system offers a central service for various types of utility power plants and industrial facilities that fire sulfur laden fossil fuels in a geographic or air pollution region. Chemico/Basic 92 Compact waste disposal system. A new compact incinerator for municipal and certain industrial mixed refuse features systems for materials handling, thermal reduction, residue removal, and air pollution control, according to an 8 page brochure, publication SP-1047. The company says that the Combustopak incinerator is low cost, easy to operate, designed for towns with 10,000-30,000 populations, and handles waste at a rate of 3 tons per hour. Combustion Engineering, Inc. 93 Water and waste treatment. A 12 page brochure describes the company’s services in the area of water and waste treatment systems. Termed a nine point systems approach, the single source service includes feasibility studies, research. process and systems designs, construction supervision, and operator training. Horton Process 94 Noise on the job. The “Primer of Plant Noise Measurement” is a 20 page, pocket size booklet which presents helpful hints about noise mzasurement. Also included in the publication are a discussion of noise induced hearing loss, federal noise regulations, and brief instructions for measuring plant noise with a sound95 level meter. General Radio Co.
Portable stack sampler measures stack gases and solids at low cost
Now you can easily-and at low cost-collect and measure solids, mists and gases directly from your stacks with Research Appliance’s new portable Staksamplr.TM Developed and used successfully by the National Center for Air Pollution Control, this new sampler provides isokinetic collectioR of pollutants from most chemical and combustion processes. With a trained two-man crew, it can provide three samples per eight-hour day.
Send for our complete catalog of sampling, testing a n d metering devices available for industry and government.
Research Appliance Company Allison Park, Pennsylvania 15101 Area 412-961-0588 Circle No. 37 on Readers’ Service Card Volume 3, Number 11, November 1969 1213