Tag: wastewater treatment

Industrial wastewater encompasses a wide spectrum of water discharge, originating from activities related to manufacturing, processing, washing, and cooling in industrial facilities. It often contains a mix of chemical, biological, and physical pollutants that vary greatly depending on the industry and specific processes from which it originates. These pollutants can have significant impacts on the […]

Safe drinking water and effective wastewater treatment are critical for protecting public health and the environment. Chemical technologies play an important role alongside physical and biological treatment methods. This article provides an overview of key chemical processes used, design considerations, and challenges for further improvement. Chemically-enhanced sedimentation (coagulation and flocculation) is used to remove suspended […]

Wastewater from industries and cities is collected and treated by a wastewater treatment plant (WWTP). To put it another way, a WWTP treats water to get rid of waste, grease, floating oils, sand, and any coarse debris that may be present in the water. The treatments get rid of organic and inorganic materials through settling […]

Wastewater treatment is a crucial process in ensuring clean and safe water for our communities and the environment. It involves the removal of contaminants and pollutants from wastewater to make it suitable for discharge or reuse. One of the key components in this process is wastewater treatment pumps, which play a vital role in moving […]

Secondary treatment in wastewater is a vital process that follows the primary treatment stage to purify wastewater further before it is released into the environment or reused. Primary treatment involves the removal of large solids and sedimentation, which reduces the water’s organic load but does not eliminate dissolved organic matter or pathogens. This is where […]

Screening is a critical first step in the wastewater treatment process that serves to protect the rest of the system from large debris. At wastewater treatment plants, water first passes through screens to remove objects such as rags, paper, plastics, and metals. This is essential not only to prevent physical damage to downstream equipment but […]

In wastewater treatment, bar screens play a pivotal role in protecting essential processing equipment from damage and obstruction by efficiently filtering out large solids from the wastewater stream. These devices, typically installed at the headworks of a treatment plant, are the first line of defense, ensuring that subsequent processes can operate smoothly and effectively. As […]

Preliminary wastewater treatment is a critical first step in the water treatment process, designed to prepare the inflow for subsequent treatment stages. This stage involves the removal of coarse solids and other large materials that could potentially cause damage to pumps and other treatment equipment. DDoing so helps protect the intricate processes that follow, such […]

Top 20 AWWA-WEF Books 1. Public Health Effects of Disasters (2021) – Guidance on protecting public health during and after natural disasters, chemical spills and other emergencies that disrupt water and wastewater infrastructure. 2. Activated Sludge and Nutrient Removal (2022) – Provides updated technical details on activated sludge processes, nitrogen and phosphorus removal, troubleshooting guidance, […]