Wastewater Treatment Articles | Environmental XPRT

What Is Wastewater Treatment?

Each and every day, most people worldwide create wastewater. Whether cooking or bathing, washing clothes or using the lavatory, people are constantly creating wastewater with little consideration of where it goes - and how exactly it is returned to rivers and seas, often cleaner than it was coming in. Modern wastewater treatment is a much needed spot of good news in the environment. What most ...

Jan. 6, 2012

By IWA Publishing

Picture Perfect Wastewater Treatment

At first, Hollywood and wastewater treatment may seem like an unlikely pair. But the City of San Diego Metropolitan Wastewater Department’s (MWWD) Metro Biosolids Center (MBC) is an uncommon place. From serving as a two-time movie set to winning awards for striking architectural design, the MBC has been recognized as an industry leader in creative thinking, community involvement and ...

Nov. 1, 2003

By Alfa Laval Corporate AB

Shrimp Processing Wastewater Treatment

These jars show the treatibility with Floccin J and wastewater from cooked shrimp. The initial untreated water had a TSS of 1,230 ppm and a BOD of 3,000 ppm. The addition of 0.10 grams of Floccin J in 100ml (8.34 lbs/1,000 gallons) created a tight flock and a very clean effluent water quality. The treated TSS was less than 10 ppm and the BOD was 200 ppm. There was a significant amount of oil ...

Jan. 30, 2009

By Integrated Engineers Inc.

Municipal wastewater treatment plant

Location: Kitimat, B.C. Owner: Kitimaat Village Council Description: Conceptual and detail process design of a 300 m3/d rotating biological contactor treatment plant incorporating primary solids removal, flow equalization, influent pumping, secondary clarification, sludge holding tank, control building, treated effluent pump station, and a ...

Oct. 10, 2012

By NovaTec Consultants Inc.

Class A Wastewater Treatment Facility

Industrial Wastewater Treatment Case Study Class A Industrial Wastewater Treatment Plant Settling Time Reduced From Twelve Hours to 30 minutes! This facility receives and treats oily wastewater from industrial clients. The water is treated with an initial oil/water separator, collected in a reaction tank where Floccin-J is used at a dosage of 325 lbs/18,000 gallons, then dewatered ...

May 8, 2007

By Integrated Engineers Inc.

Tofu Producer Wastewater Treatment

Industrial Wastewater Treatment Success Stories Tofu Producer Waste Water Treatment Astounding Results of Tofu Producer Jar Test A sample of Tofu ...

Mar. 30, 2009

By Integrated Engineers Inc.

Wastewater Treatment: Overview and Background

SummaryWaste discharges from municipal sewage treatment plants are a significant source of water quality problems throughout the country. States report that municipal discharges are the main source of impairment to estuaries and coastal waters, the second leading source of impaired rivers and streams, and also are a major source of pollution in lakes. Pollutants associated with municipal ...

Jan. 1, 1995

Industrial Wastewater Treatment Facility

Industrial Wastewater Treatment Success Stories Industrial Wastewater Treatment Facility ...

Mar. 7, 2006

By Integrated Engineers Inc.

Rendering Facility Wastewater Treatment

Food Processing Wastewater Treatment Case Studies Animal & Grease Rendering Plant Wastewater Treatment Net savings of $21,400/month or $256,800 Annually ...

Aug. 3, 2010

By Integrated Engineers Inc.

The “Other Side” of Wastewater Treatment

Peter Christou of Chimo Water & Wastewater Services Ltd. writes about his experience in the Antartica. I had no idea what to expect when I was asked to go to the McMurdo Research Station to help operate the wastewater and water treatment plants. All I knew about ...

Mar. 1, 2007

By Civeo Corporation

Wastewater Treatment in Sri Lanka

JaEla and Ratmalana wastewater treatment. Recently Colombo National Water Supply & Drainage Board decided to collect and treat the combined (industrial and domestic) wastewater at both areas before it is being discharged into the receiving waters. New sewer systems and two wastewater treatment plants will therefore be constructed. The target treatment plant sizes are 82,000 ...

Nov. 22, 2010

By Sweco

Decentralized Wastewater Treatment

An application used worldwide, now growing in US to address the needs of small communities and developments Conventional sewer operations managed by small communities provide centralized treatment of wastewater of which residents are accustomed. But the expense of operating these systems as they expand with miles and miles of sewer lines is staggering. Expanding sewer line infrastructure, ...

Jan. 16, 2016

By Bio-Microbics, Inc.

Mirror Plating Wastewater Treatment

In the manufacturing of certain mirrors, a strong copper solution at low ph is used to apply a thin coating to the glass surface. After adhesion, the excess is washed off and collected as wastewater. The wastewater at this facility is treated using 4 chemicals: caustic to raise the pH to 8.5, DTC (dithiocarbamate) as a metal precipitant, an organic based coagulant, and an anionic flocculant. The ...

Jan. 30, 2009

By Integrated Engineers Inc.

Wastewater Treatment in Turbo Mode

Sulzer turbocompressors type ABS HST are successful in wastewater treatment. Today, 2000 units are installed around the world—for example, in municipal plants like in the city of Sögel, Germany. Here, the turbocompressors not only reduced the operating costs but also helped the plant to cope with load fluctuations. The secret behind this success is an advanced design with proven ...

Jul. 8, 2015

By Sulzer Management Ltd

Optimizing Wastewater Treatment

' Growing volumes of both industrial and municipal wastewater are being discharged to surface waters but the treatment provided frequently is inadequate to protect the desired uses of the receiving waters. With limited resources in terms of both institutional capacity and finance, governments face difficult choices in optimizing their investments in municipal systems and establishing practical ...

Jan. 1, 1997

By The World Bank

Wastewater-Primary Treatment

Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

Sep. 22, 2013

By Environmental Services by Daniel L. Theobald

Haugslia wastewater treatment, Norway

Haugslia is a cluster of high standard holiday homes in Voss municipal in Hordaland. 50 of these holiday homes are connected to the treatment plant. These 50 holiday homes give a dimensioning flow of: Qdim = 68 m3/day.The treatment plant was built in 2004. Filter media used in this plant: 800 m3 Filtralite® P 0-4 mm132 m3 Filtralite® NC 4-10 mm72 ...

Apr. 10, 2008

By Filtralite - Leca Norge As

The biological basis of wastewater treatment

Introduction This booklet was written to fulfil the need for a simple explanation of the biological processes that underpin wastewater treatment. It attempts to show how the bacteria involved deal with the organic carbon in the sewage. Remarkably, there are just 3 major processes involved, and these mirror exactly the 3 major processes at work in the plant viz: biodegradation, oxygen ...

Dec. 1, 2005

By Strathkelvin Instruments Ltd.

Industrial wastewater treatment

Industrial wastewater treatment covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re-use. Most industries produce some wet waste although recent trends in the ...

Aug. 29, 2011

By IWA Publishing

Food Manufacturing Wastewater Treatment

Facility Background The new YIBO, Inc. facility in Warrenton MO is the firm's first US production plant. Using state of the art equipment they will manufacture 26 varieties of soy sauce products for the commercial market. Five gallon containers will be distributed nationwide. As a discharge requirement the local POTW requested a wastewater plant for effluent control prior to ...

Jan. 3, 2015

By Auquix, LLC

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