Settlers Articles

31 Results found
  • Category: Water & Wastewater ×

  • Subcategory: Settlers ×

Experiences with anaerobic treatment of fat-containing food waste liquids: two full scale studies with a novel anaerobic flotation reactor

by IWA Publishing  (Apr. 10, 2014)

Fat-containing food waste can be effectively treated in a new type of reactor, the so-called BIOPAQ-Anaerobic Flotation Reactor or BIOPAQ® anaerobic flotation reactor (AFR). In the reactor a flotation unit is integrated to retain the sludge. In this study results from two plants with a 430 and 511 m3-AFR, respectively, are presented. In ...

Sludge reduction and performance analysis of a modified sludge reduction process

by IWA Publishing  (Mar. 13, 2014)

A modified sludge process reduction activated sludge (SPRAS) technology was developed by inserting a sludge process reduction (SPR) module, composed of an aeration tank and a settler, before the activated sludge system was proposed in this study. Compared with the anaerobic/anoxic/aerobic (AAO) process, the SPRAS resulted in a remarkable decrease ...

Lamella settlers for storm water treatment – performance and design recommendations

by IWA Publishing  (Jan. 29, 2014)

Three lamella settlers were monitored over a period of 4 years. The main objective was to determine removal efficiencies for total suspended solids and associated pollutants. For this purpose a new sampling method based on large volume solid samplers was developed allowing a detailed analysis of solids. With regard to total suspended solids the ...

Performance evaluation of a novel open trickling filter for the post-treatment of anaerobic effluents from small communities

by IWA Publishing  (Jun. 21, 2013)

The objective of the work is to evaluate the performance of an innovative design of a trickling filter for small population sizes, which has been implemented for the post-treatment of sanitary effluent from a UASB (upflow anaerobic sludge blanket) reactor. The unit, named open trickling filter (OTF), operates with no side walls, no perforated ...

Evaluation of DEWATS in Java, Indonesia

by IWA Publishing  (Nov. 2, 2012)

Under the Indonesian PPSP (Accelerated Sanitation Development for Human Settlements Program) thousands of new DEWATS (Decentralized Wastewater Treatment Systems) may be realized in the coming five years. Taking the massive scale of planned implementation into consideration an evaluation of the technical and financial-economic aspects and ...

A retrofitted activated-sludge plant with sequential nitritation and anammox obtains dischargeable effluent

by Colsen International b.v.  (Oct. 1, 2012)

New Activated Sludge (NAS) represents a hybrid, floc-based nitrogen removal process process is based on solids control, retention times (SRT) and dissolved oxygen (DO) levels full-scale NAS plant is examined (treating anaerobically digested industrial wastewater) serial anammox, denitrification and nitrification compartments are followed by a ...

Mumbai Refinery Mahaul (BPCL) API settlers

by DWT Group Oy  (May 26, 2011)

API Settlers DEWACO deployed a complete sludge removal system consisting of: 16 nos. Chain and Flight type sludge and scum collectors and 28 nos. Scum pipes . 3 nos. 21 x 2,5 3 nos. 21 x 2,5 2 nos. 18 x 4,6 3 nos. 18 x 6,1 5 nos. 18 x 6,1 Project completion: 2008 ...

MOL oil & gas refinery

by DWT Group Oy  (May 26, 2011)

MOL Hungarian Oil & Gas Plc is the national Oil & Gas company for Hungary, it forms part of the large MOL Group and is by far the largest, in terms of turnover for the Hungarian sector as a whole. The project is a first for the region. API Settlers DEWACO supplied a fully functional sludge removal system comprising of: 6 nos. Chain & ...

Hammer mill possesses qualities of simple structure

by Shanghai Gulin Machinery Co,. Ltd.  (Apr. 26, 2011)

Although southwestern Wisconsin is best known today for its rich farmlands, place names such as Mineral Point and New Diggings evoke an earlier time when local mines produced much of the nation’s lead. In the early nineteenth century, Wisconsin lead mining was more promising and attractive to ...

Life Cycle Assessment of an intensive sewage treatment plant in Barcelona (Spain) with focus on energy aspects

by IWA Publishing  (Jan. 1, 2011)

Life Cycle Assessment was used to evaluate environmental impacts associated to a full-scale wastewater treatment plant (WWTP) in Barcelona Metropolitan Area, with a treatment capacity of 2 million population equivalent, focussing on energy aspects and resources consumption. The wastewater line includes conventional pre-treatment, primary settler, ...

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