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Sustainable Engineering

864 threads, 16359 comments (5 Viewing)
 

New Oxidant Process for Cleaning up Water

03/02/2015 by James Stewart
New sheriff in town for bad actors in water is OH• (OH free radical). This guy has a higher standard oxidation potential than even ozone (O3)....
Pathfinder Tags: oxidative treatment of water tertiary effluent water recycling
Views: 13, Comments: 4
Last comment 03/02/2015 by Crabtree
 

Power Harvesting (Solar)

03/02/2015 by szwasta
I have a secluded 10 acres. Elevated 30 to 50 feet above surrounding area. There is a distribution line within 100 yards. What, if any, potential is t...
Pathfinder Tags: acreage farm power solar
Views: 62, Comments: 17
Last comment 03/02/2015 by James Stewart
 

Terrific Article on Four Very Different Desalination Technologies

02/24/2015 by wagman262
Ed Brown has written a terrific article on four very different desalination projects. They all have certain commonalities even though they differ in t...
Views: 192, Comments: 9
Last comment 02/25/2015 by Unredundant
 

How to Grow Fuel the Real Way, No Subsidies Required

02/04/2015 by James Stewart
Here is completely (as near as I can see), the answer to removing ethanol production from a source based on cereal grains (as far as fuel ethanol, or...
Pathfinder Tags: vertical aquaculture; algal fuel; ethanol
Views: 173, Comments: 12
Last comment 02/24/2015 by James Stewart
 

Multitasking Solar

02/03/2015 by budgetmetoo
There is a current boom in solar sales and installation in Louisianna USA at this time. However most of the systems are a central inverter grid tyed t...
Pathfinder Tags: solar
Views: 197, Comments: 6
Last comment 02/04/2015 by jmueller
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Section Blogs

Alternative & Renewable Energy Blog

213 blog entries, 2381 comments (0 Viewing)

Microgrids – Nation’s Future towards Clean Energy

03/01/2015 by sanasyed24
A microgrid is an integrated energy system with control capability of operating independently or in parallel with an existing utility grid, managin...
Views: 90, Comments: 2
Last comment 03/02/2015 by Wal

Fuel Cells - Energy Empowering Technology

02/19/2015 by sanasyed24
An alternative, cleaner and more efficient solution to the combustion of fossil fuels and gasoline is an enabling technology of fuel cells. Fuel ce...
Views: 136, Comments: 10
Last comment 02/20/2015 by SolarEagle

Renewable Energy - Photovoltaic Technologies

02/15/2015 by sanasyed24
There is a rapid growth in the field of renewable energy in today's world. Solar photovoltaic is one of the types of renewable technologies. The wo...
Views: 142, Comments: 0
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Water & Wastewater Systems

36 blog entries, 366 comments (0 Viewing)

Less Energy, Cleaner Water

02/24/2015 by CR4 Guest Author
All water, prior to being treated, contains some amount of waste in suspension. The removal of said waste, whether it be natural (as in water coming...
Views: 157, Comments: 2
Last comment 02/25/2015 by James Stewart

Desalination Today and Tomorrow

02/06/2015 by IHS GlobalSpec eNewsletter
To understand why desalination is such a promising solution to the world's water-supply problems, consider this: about 70% of the earth's surface...
Views: 215, Comments: 9
Last comment 02/11/2015 by James Stewart

Novel Power Technology Yields Water

01/16/2015 by IHS GlobalSpec eNewsletter
Called the Sunflower, the high-concentration photovoltaic thermal system described in this Engineering360 piece can reportedly generate electricity...
Views: 194, Comments: 0
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Environmental Technology

113 blog entries, 1396 comments (0 Viewing)

A Look at Drycleaning

02/19/2015 by cheme_wordsmithy
Do you know what actually happens to your clothes when you take them to a dry cleaner? For a long time, I didn't, as I did not frequent the dry cleane...
Views: 261, Comments: 1
Last comment 02/20/2015 by Flavio Gerber

Xmas Tree Throwdown: Real vs. Fake

12/24/2014 by HUSH
Christmas trees are fickle ornaments. Everyone has their own personal preference about how it needs to appear and how it should be presented. I...
Pathfinder Tags: Christmas green sustainable tree
Views: 282, Comments: 9
Last comment 12/25/2014 by lyn

In[visibile] Pollution

09/17/2014 by HUSH
We spend a lot of time on CR4 talking about pollution. But it's not just us, it's the entire media, and it has been that way for more than a decade....
Pathfinder Tags: dark sky light pollution pollution
Views: 423, Comments: 3
Last comment 09/18/2014 by adreasler
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E&E Exchange

73 blog entries, 859 comments (1 Viewing)

The New Downside of GMO Crops

02/04/2015 by HUSH
Opponents of GMOs have found a new argument for halting the further proliferation of genetically-modified crops. According to new research, the heav...
Pathfinder Tags: agriculture glyphosate GMO toxin
Views: 292, Comments: 18
Last comment 02/06/2015 by Unredundant

The Problem of Tree-Killing Pests

11/07/2014 by cheme_wordsmithy
In the eyes of many an environmentalist, the biggest enemy of the forest is the lumberjack (i.e. the logging industry). But for many types...
Views: 300, Comments: 0

Weather, Climate, and Fall Foliage

10/06/2014 by cheme_wordsmithy
In New York, we are in the midst of blooming and peaking fall foliage. I had the pleasure last Friday of driving and hiking in the Adirondacks and see...
Views: 286, Comments: 1
Last comment 10/06/2014 by SavvyExacta
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Other Blog Entries of Interest

Shale Gas, Tight Oil, Carbon Emissions and You

06/29/2013 posted in Common Purposes
by MillMatt
Methinks, yet again, there is change blowing in the wind. US President Barack Obama presented his plan for reducing carbon emissions to thwart clim...
Pathfinder Tags: carbon emissions Coal Fired Power Plants Economics Shale Gas Tight Oil
Views: 791, Comments: 20
Last comment 04/29/2014 by russ1

Getting the Lead OUT!

05/05/2013 posted in Common Purposes
by MillMatt
There is U.S. federal legislation slated to take effect on January 4, 2014 that will improve drinking water quality once again. Such changes may happe...
Pathfinder Tags: ANSI 61 lead free lead in drinking water NSF 372 NSF 61
Views: 693, Comments: 40
Last comment 05/12/2013 by Anonymous Hero

And the Ground Beneath Our Feet, It Shifted

04/07/2013 posted in Common Purposes
by MillMatt
"Game On" is the title; "all in" is the message. The article is a LinkedIn posting made by Jeff Immelt, the now long-tenured chairman of venerable Gen...
Pathfinder Tags: Immelt industrial revolution Maker Movement Oklahoma Shale Gas ...
Views: 697, Comments: 7
Last comment 03/16/2014 by 129CBRider

Do Soy-Based Foams Put Ford in the Driver’s Seat?

03/07/2011 posted in Plastics & Resins Blog
by Steve Melito
In the summer of 1941, Henry Ford unveiled a plastic-bodied car that connected industry to agriculture. According to Lowell E. Overly, the former too...
Pathfinder Tags: car seats Henry Ford soy foam soy-based foams soybean car ...
Views: 303, Comments: 1
Last comment 08/15/2012 by lyn

Good Riddance, White Pages

11/18/2010 posted in TeknologikL
by Kaplin
Verizon has finally received the permission they have been asking for -- to halt production of the iconic White Pages in New York, Florida, and Penn...
Pathfinder Tags: Online Directory Phone Book Phone Lookup Verizon White Pages ...
Views: 551, Comments: 11
Last comment 11/23/2011 by 129CBRider

The Missing Carbon Problem (Part 4)

03/10/2009 posted in Rockaholic Adventures
by Shawn
Uncertainty in the carbon cycle is greater than computer-generated models account for. Large generalizations have left out many smaller processes t...
Pathfinder Tags: climate change IPCC kyoto protocol Missing Carbon missing sink
Views: 771, Comments: 11
Last comment 05/04/2013 by 129CBRider

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