J. Witherspoon Articles | Environmental XPRT

What climate change sounds like from the Amazon to the Arctic

In 2013, the composition A Song of Our Warming Planet transformed 133 years of global temperature measurements into a haunting melody for the cello. Following its release, A Song of Our Warming Planet was featured by The New York Times, Slate, the Weather Channel, National Public Radio, io9, The Huffington Post and many others on its way to becoming a viral sensation and reaching audiences around ...

May 7, 2015

By Ensia

Reduce Emissions and Odors with Shand & Jurs’ Expanda-Seal

With reducing emissions having an increased importance, Shand & Jurs offers Expanda-Seal™ technology. Expanda-Seal™ is a patented seal on pressure relief devices that will significantly reduce emissions and odors in every process environment imaginable while also saving valuable product. While industry standards have a tested leakage rate of 1 SCFH at 90% of set point, Shand ...

Dec. 22, 2010

By Shand & Jurs (L&J Technologies & L&J Engineering)

MTA and J & J’s Consequence of Asbestos Landfilling

At the end of September, it was reported that the Manhattan Transit Authority (MTA) has asbestos contamination in its Brooklyn Bus Terminal. More recently it has been reported that Johnson & Johnson recalled 33,000 bottles of Baby Powder due to the concerns they contained asbestos. Johnson & Johnson’s asbestos litigation is reaching the point of public recognition as has the ...

Nov. 11, 2019

By Abcov Companies , LLC

Using Rn-222 to manage the air quality of air conditioned buildings in Hong Kong

This paper proposes a pragmatic methodology to manage the air quality of an air conditioned building as well as optimizing energy consumption during venting. Radon-222 (Rn-222) is used as a tracer to quantify the specific production rates and resultant losses of pollutants for which the information is important in indoor air quality management. A term, indoor pollutant inventory, is introduced ...

Oct. 1, 2008

By SAGE Publications Ltd

Jökulhlaups and sediment transport in Watson River, Kangerlussuaq, West Greenland

For 3 years, during a 4-year observation period (2007–2010), jökulhlaups were observed from a lake at the northern margin of Russells Gletscher. At a gauging station located on a bedrock sill near the outlet of Watson River into Sdr Strømfjord, discharge and sediment transport was monitored during the jökulhlaups. The stage rose up to 5.3 m and a maximum discharge of ...

Dec. 13, 2012

By IWA Publishing

A satellite perspective on jökulhlaups in Greenland

Methods by remote sensing techniques were developed to locate potential jökulhlaup lakes and to assess the volume of water discharged. To locate potential jökulhlaup lakes, a time sequence of LandSat satellite imagery covering the area was investigated with spectral mapping techniques. The investigations showed how LandSat images can be used to map surface water, glacial ice, and ...

Dec. 13, 2012

By IWA Publishing

Scrap Metal Recycling 1

Integrated Engineers provided treatability services for the facility for three areas onsite: the oil water separator, tin baler effluent water, and aluminum shavings/cutting oil runoff. The facility processes and bales scrap metal for recycling. The three different waters were treated with Floccin J. Oil Separator The oil separator water is used to remove any free oil that is floating on top ...

Jan. 30, 2009

By Integrated Engineers Inc.

Book Review: World in Transition: Towards Sustainable Energy Systems

World in Transition: Towards Sustainable Energy Systems, by H. Grasl, J. Kokott, M. Kulessa and J. Luther. Earthscan, 2004. 242pp. ISBN 1-85383-882-9Keywords: book ...

Jul. 31, 2006

By Inderscience Publishers

Book Review. Hard Choices, Soft Law. Voluntary Standards in Global Trade, Environment and Social Governance

Kirton, John J. and Trebilcock, Michael J. (Eds). Hard Choices, Soft Law. Voluntary Standards in Global Trade, Environment and Social Governance. Ashgate, 2004. 372pp. ISBN 0-7546-0966-9.Keywords: book ...

May 4, 2006

By Inderscience Publishers

The Hammer Falls Again as U.S. EPA Proposes Revisions to `MACT Hammer` Regulations

Until now, States have been left to interpret the applicability of section 112(j) with little input from U.S. EPA. Some States have adopted a “wait and see” approach and are waiting for U.S. EPA to weigh in on the issue. In the absence of any guidance, some States, such as Pennsylvania, have called for some sources to submit applications that meet the 112(j) requirements. The ...

Apr. 26, 2010

By All4 Inc.

Methane oxidation in water-spreading and compost biofilters

This study evaluated two biofilter designs to mitigate methane emissions from landfill vents. Water-spreading biofilters were designed to use the capillarity of coarse sand overlain by a finer sand to increase the active depth for methane oxidation. Compost biofilters consisted of 238-L barrels containing a 1: 1 mixture (by volume) of compost to expanded polystyrene pellets. Two replicates of ...

Jan. 1, 2006

By SAGE Publications Ltd

Pumping at Subzero Temperatures

Pumping of cryogenic (low-temperature) products is important for many applications, especially in the field of liquefied natural gas (LNG). The Sulzer J-unit is a special sealing system for cryogenic pumps. It was invented more than 60 years ago. The evolution of the J-unit design since then has been impressive and has now resulted in a recently filed patent application by Sulzer. Since ...

May 11, 2014

By Sulzer Ltd.

Stephen J. Klaine

Jun. 22, 2016

By John Wiley & Sons, Ltd.

Spackling Adhesive Manufacturer

Floccin J was used to treat these samples of spackling compound wastewater. The sample was at a neutral pH and required no pH adjustment. The Floccin-J was added at a dosage of 0.12 grams in 100 ml of wastewater. For a 1,000- gallon batch treatment, this would equate to a chemical cost of $15.00 with excellent water clarity that could be reused in the ...

Jan. 30, 2009

By Integrated Engineers Inc.

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.

Vibratory Finishing

The treatibility required no pH adjustment from the initial 7.5 pH. The treatment required 0.15 grams of Floccin-J in a 100 ml sample. The dosage equates to a treatment of 12 lbs/1,000 gallons. Based on $1.25/lb for Floccin-J, the treatment costs will be about $15/1,000 gallons = 1.5 cents/gallons. Based on the water clarity, the facility might be able to reuse the water and reduce their fresh ...

Jan. 30, 2009

By Integrated Engineers Inc.

Cloning and Characterization of Microsatellite Loci in a Gorgonian Coral, Junceella juncea (Anthozoa, Octocorallia, Ellisellidae) and Its Application in Clonal Genotyping

We attempted to isolate microsatellites from a Symbiodinium-free gorgonian octocoral, Junceella juncea, using two methods, partial genomic library screening and enrichment. Among the 3856 clones screened by the partial library method, 10 possibly positive signals were found, and 3 of them could be used to design primers and amplified consistently. In contrast, only one locus isolated by the ...

Feb. 1, 2005

By Springer-Verlag GmbH

Corrugated Sheet Plant

The previous wastewater treatment was composed of the following chemicals: an acidic coagulant, caustic for pH adjustment, and an anionic polymer made down to 1% solution. The facility used 3-4 gallons of coagulant, 2-3 gallons of caustic, and 2-3 gallons of anionic flocculant (at a 1% solution) at a cost of $50/batch. The operator stated that they had low solids, they tended to overdose which ...

Jan. 31, 2009

By Integrated Engineers Inc.

Customers recommend leachate pumps from Geotech - Case Study

Application Leachate recirculation and condensate removal from gas lines Equipment The AP AutoPump range Location Sites across the UK Customer H&J Pipe Jointing Services Ltd Requirement Colin Jones of H&J Pipe Jointing Services said, "We were looking to supply pumps that were fit for purpose and that did the job, and after trying other brands we soon realised that the AP range ...

Mar. 11, 2016

By QED Environmental Systems Ltd.

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 using a ...

May 8, 2007

By Integrated Engineers Inc.

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