Donnerstag, Mai 28th, 2020
Bacteria – the microscopic single celled organisms that are prevalent everywhere on earth. Amongst thousands of known bacterial species, the vast majority do not have any impact on us. The ones that cause most harm to humans are those that are either transmitted through water (water-borne) or air (air-borne). The mode of transmission of a
Montag, Mai 11th, 2020
Wastewater comprises of a mix of solids, dissolved matter, particulates, microorganisms, nutrients, heavy metals and micro-pollutants. This complex mix undergoes treatment at wastewater treatment facilities before it is released into the environment as wastewater effluent. Per federal guidelines laid out in the Clean Water Act, state and county water divisions set the physical, chemical and
Donnerstag, April 30th, 2020
Ultraviolet (UV) light is electromagnetic radiation that falls just outside visible violet light. Light visible to the human eye is made of radiation between the wavelengths of 740 and 380 nm. UV light comprises the 400 to 100 nm part of the electromagnetic spectrum, making it invisible to us. Categorically, UV light comprises four types
Montag, März 30th, 2020
Ultraviolet (UV) light is generated when elemental mercury is vaporized. If a UV lamp breaks, this mercury is released into the surrounding fluid. Although it is a rare incidence, a UV lamp might break due to any one of several reasons, as below: Manufacturing and handling defects Power surges and/or electrical component failures Incorrect UV
Donnerstag, März 26th, 2020
Water hammer is a hydraulic phenomenon that occurs when flowing water is abruptly stopped by a block in its path. Since water molecules have very limited compression capability, a sudden stop forces the water to move in the opposite direction, which is again slammed forward by incoming water and so on. This repeated banging of
Donnerstag, März 12th, 2020
By Saumya Garg Ultraviolet (UV) systems for disinfecting water comprise several crucial parts that keep them running at optimum performance. Equipment maintenance documents that accompany these systems clearly identify these parts and mention replacement and service requirements. Briefly, the parts that require frequent special attention are: UV Lamp – The UV lamp is the most
Mittwoch, März 11th, 2020
UN’s World Water Day on March 22, celebrates water and raises awareness of the 2.2 billion people living without access to safe water. It aims to trigger actions to tackle the global water crisis. A core focus of World Water Day is to support the achievement of UN’s Sustainable Development Goal 6: water and sanitation
Montag, März 2nd, 2020
A recent Utah State University survey has once again brought to light the failing water infrastructure in North America. Per the survey findings, water main break rates in North America increased by 27% between 2012 and 2018. As many as 14 breaks per 100 miles of water pipelines threaten the day-to-day functioning of public each
Dienstag, Februar 18th, 2020
In the United States, potable water is supplied to homes and businesses via a network of 2.2 million miles of transmission lines and distribution mains. Given the importance of drinking water, the efficient operation of these pipelines is imperative to not only the normal functioning of our lives but also to maintain our health and
Montag, Januar 6th, 2020
By Saumya Garg The past 50 years have seen vast changes in the way water has been recycled into our streams, creeks, rivers, estuaries, oceans and lakes. Wastewater treatment has been an essential requirement to maintain the safety and health of not only the environment, but also of the human population. As a result, every