Membrane-supported processes can bring many benefits in water-treatment applications where membranes have not traditionally been used Reverse osmosis (RO) is the standard treatment technology for purifying water supplies for potable water applications and many industrial processes. One of four crossflow,…
A few months ago, this column addressed the megadrought in the U.S. Southwest and the increasing concerns over water scarcity [ 1]. Since that time, the drought in that region of the U.S. has continued, further impacting communities across the…
Currently, enhanced biological phosphorus removal (EBPR) techniques in municipal wastewater-treatment plants (WWTPs) do not work well at temperatures above 25°C, which is common in warm countries. This limitation is expected to extend to more countries with the advent of global…
Understanding the working principles of scrolling and pushing centrifuges can help when deciding which type to use. Feed properties and other factors also play a role When looking for a proven solution for mechanical dewatering, you will most likely come…
Samsung Engineering Co., Ltd.(Seoul, South Korea) has acquired a 24% stake in the Vietnamese water-treatment company DNP (Dong Nai Plastic) Water for about KRW52.7 billion ($41 million). The signing ceremony, was held at the Intercontinental Landmark Hotel in Hanoi, Vietnam,…
Advances in membrane technologies allow processors to delve into gas- and water-separation applications more effectively and efficiently Conventional membranes have a reputation for being “finicky” and “high maintenance” because they don’t operate well under high pressures or temperatures, are subject…
March 2022: The following is a list of recently published books that may be of interest to professionals in the chemical process industries (CPI) Overpressure Protection in the Process Industry: A Critical View. By Marc Hellemans, Elsevier Press, 2022, 396…
HRS Heat Exchangers Ltd. (Watford, U.K.; www.hrs-heatexchangers.com) was recently awarded an order for the design, manufacture and installation of a mechanical vapor recompression (MVR) evaporation system for LIFE Desirows (lifedesirows.eu) — a three-year, €1.6-million project funded under the E.U.’s LIFE19…
Ultrasound treatment is a non-chemical method to control algae using specific sound frequencies emitted through water to cause internal damage to polluting algae cells. Most previous work in the area of ultrasonic algae control has focused on very loud emitted…