Water Handbook - Clarification | Veolia - Water Technologies
Upflow Clarifiers. Compact and relatively economical, upflow clarifiers provide coagulation, flocculation, and sedimentation in a single (usually circular) steel or concrete tank. These clarifiers are termed "upflow" because the water flows up toward the effluent launders as the suspended solids settle.
Up-Flow Solids Contact Clarification - Mountain Empire …
Up-flow Clarification. It is often advantageous to employ a zone of high solids contact to achieve a better quality effluent. This is accomplished in an up-flow clarifier, so called because the water flows upward through the clarifier as the solids settle to the bottom.
Solids CONTACT CLARIFIER™ - WesTech Engineering
Clarified overflow is removed through a radial launder system that draws water from the entire surface area to prevent solids carryover caused by uneven velocity currents. For high upflow rates, tube settlers can be added to increase the effectiveness of gravity sedimentation.
Clarification for Water & Wastewater Treatment - Evoqua
Clarification is an essential step in a water or wastewater treatment process to remove suspended solids through gravity settling, providing a clarified liquid effluent. First, understanding primary and secondary clarification is needed to determine the appropriate technology to meet treatment requirements.
Clarifier basics: How do clarifiers work I Clarifier design
2020年4月7日 — Gravity forces contaminants to settle downward in the surrounding liquid whereas clarified water can be removed separately. The same principle is used by wastewater treatment clarifiers: Large tanks provide enough retention time to slow water down and to separate out suspended particles.
It was established that the considered method for the increasing efficiency of upflow clarifiers of water supply sys-tems at drinking water preparation by using the concentrated solution of...
Solids Contact Clarifiers - Lime Softening - Monroe Environmental
Municipal drinking water plants use Solids Contact Clarifiers to replace conventional flocculation and sedimentation basins thus reducing footprint. For both of these operations, surface water is drawn from a lake or river and chemically treated within the clarifier to settle solids, remove metals, reduce turbidity, and reduce hardness.
Using High-Rate Clarification Processes to Optimize Water Treatment
2005年5月31日 — High-rate and super high-rate clarification technologies are available to optimize water treatment in various raw water characteristics. As shown in this paper high-rate clarification processes such as DAF, AquaDAF , and Actiflo ® can improve treatment performance over conventional sedimentation while occupying much less space in new ...
Actiflo® - Veolia Water Technologies
Actiflo® is a Veolia-patented, high-performance clarifier for suspended solids removal. With a ballasted flocculation and high-rate sedimentation suitable, it is suitable for municipal drinking and wastewater, industrial water treatment, utility feed water, water reuse applications and to manage stormwater.
CONTRAFLO® Solids Contact Clarifier - WesTech Engineering
CONTRAFLO Solids Contact Clarifiers employ a number of well-established treatment principles resulting in efficient water treatment in a single basin. CONTRAFLO is capable of solids reduction in a wide variety of applications at relatively high upflow rates and excels in treating surface and ground water in such applications as turbidity ...