Nuclear Reactors for Dummies

by Sustainable G on March 31, 2011 · 0 comments

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In light of the recent earthquake in Japan, I thought it would be good to use this space to give you all a crash course on how nuclear reactors work.  Welcome to my Nuclear Reactors for Dummies.

For starters, it is important to know the difference between fusion and fission.  Fusion takes two unstable and radioactive nuclei and slams them together.  These two materials then create a heavier nucleus that releases large amounts of energy.
Nuclear Fusion
Nuclear Fusion

Fission takes one unstable and radioactive nucleus and splits it into two more nuclei by introducing a neutron.

Nuclear Fission

Nuclear Fission

California’s nuclear reactors work using nuclear fission.  They place large number of Uranium-235 nuclei in a reactor, and fire a neutron at one of the nuclei.  The nucleus that gets hit by the neutron then splits into two more nuclei and they also fire off three neutrons that then collide with other nuclei in the system.  This chain reaction produces a large amount of heat during the process.  This heat warms up water located near the reactor and that water turns into steam which then pushes a turbine and creates the electricity that we then use.  In order to keep the reaction from getting out of hand, reactors have control rods.  These rods prevent the neutrons from hitting all of the Uranium at once.  If all the Uranium were to fission too fast, then the heat would cause the reactor to melt and release large amounts of radiation into the surrounding area or the reactor might just go boom.

Nuclear reactors do not generate any of the carbon emissions into the atmosphere.  They take up little to no space which makes them very, very green.

Here’s a link if you want to play around with a simulation of a nuclear reactor and see how nuclear fission works.  Just download the application and have fun (trust me, there are no viruses hiding in the program)

If you do not trust me (I won’t be offended) and you still want to have a visualization of how nuclear fission works, then find yourself some dominos.

Here’s more information on what happened specifically at the Fukushima reactor in Japan.

Leave it to the economists to find a silver lining in the Japanese crisis.

Finally, here is what our California government is doing to make sure that our nuclear reactors do not suffer the same fate as the Fukushima reactor in the event of an earthquake.

It would not be right if I did not add a list of sites that you can go to in order to help Japan. Even if you cannot physically go over to Japan, you can still help by giving money to those who can.

Red Cross

Salvation Army

And for all you video game nuts (I know you’re out there) Bungie is selling wristbands (they’re pretty cool) and all the funds go to help Japan.  Also, if you buy anything from their store from now until April 30 the money goes directly to helping out Japan.

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Green-volution

by Sustainable G on March 15, 2011 · 1 comment

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According to contructiondigital.com, the LA Unified School District is starting a program to build more energy efficient schools for kids.

In case you have not seen this (I had not), here is President Obama’s plan for creating a greener nation.

Now that you know the President’s plan (assuming that you read this articles in chronological order – I don’t know why you wouldn’t) here is what San Francisco just decided to do in order to help increase its energy efficiency.

Here’s a link for all you activists who want to get more involved in saving the planet.

Found a fifty-eight minute long video about San Francisco’s building standards and how they are making SF greener.  If you really want to watch all of it, then click on and enjoy, otherwise, just click it and listen to the really bad jazz intro and then decide whether or not you want to continue.

For all you do-it-yourself people out there, here are five-tips to make your house more energy efficient (none of them look extremely dangerous).

Now Mr. Schimdt (he hates it when I call him that) told me to make these posts more fun (that’s what all the parenthetical comments are – my attempt at humor, let me know if I am annoying and I’ll stop), so I decided to start a “poll”.   I am a large supporter of saving the planet and I think that building smarter is a great way to do it; however, let’s face it – some of these green buildings are just plain ugly.  So with each post I will put up a picture of a energy efficient/ green home and leave it up to you (the beloved reader) as to whether or not you think that the building is ugly or not ugly. Since I cannot seem to get the poll system running, just write a comment with your answer (ugly or not ugly) and I will tally up the results and display them next post (assuming that anyone comments at all).

House #1

This house is located in the Mission District of San Francisco.  Click here if you want to see the inside of the house too.

casagrande

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Green Gobs 1.0

by Sustainable G on February 8, 2011 · 0 comments

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I wanted to introduce a fine young man who will be adding content to the site, Giovanni a.k.a. Sustainable G, , who lacking any real purpose has decided to thwap away at a keyboard here at Sustainable Schmidt aggregating content on green building for you.  Treat him well, and if you come across any gobs of green information our community might find useful, link it to him at any time.

Sustainable Schmidt

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Want to make your roof look like the Academy of Sciences?  Wired.com gives you the basic guidelines on how to turn your roof into a successful garden.

The New York Times reports that the Empire State Building will now use nothing but renewable energy.

No one really knows where all of that stimulus money has gone to, but the Chicago Tribune has found that a small portion of the money has been used to make federal buildings more energy efficient.  Though in truth we took a bit, when we installed an energy efficient boiler in an 11 unit building in the mission the $16,500 bill came with a $2,300.00 rebate from San Francisco’s Cash for Boilers program, funded by the Obama administration’s stimulus bill.

Not everyone believes in climate change.   Read this New York Times article to find out what some politicians want to do to the EPA.

Inhabitat.com recently posted an article about how a group of Houston artists plans on building a totally green village out of recycled shipping crates.

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I received an email the other day from an interesting company, Organica, that creates biological processes for treating wastewater.  I like the idea of rethinking our assumptions to things like wastewater treatment -  recycling need not be limited to paper and cans, but can capture multiple consumables that we use in housing…sustainableschmidt

Organica’s Approach

by sustainableemily, Organica

Humans waste large amounts of water, and current projections of population and economic growth imply that in 2030 global water requirements will be 40% greater than current supply.  Our population is growing by 50 million people per year, and it continues to migrate into cities. Freshwater consumption has more than doubled since World War II. All of this means our lifestyle, which is completely dependent on freshwater consumption, is not sustainable.

But, there is good news: Water can be recycled and reused. Organica Technologies has a solution for recycling and reusing wastewater on a scale that is efficient, sustainable and cost effective.

Organica wastewater treatment plants combine the latest developments in ecological engineering with traditional wastewater treatment technology, offering communities and corporations around the world a low-cost and efficient method to treat wastewater to reuse quality.

Organica treatment plants purify water by harnessing the metabolic processes of living organisms that digest organic pollutants. In addition to the bacteria found in traditional activated sludge systems, Organica treatment plants are populated by 2,000 to 3,000 species of plants, animals, and microbes. The organisms work together to maximize biological degradation of contaminants. The ecosystems provide a high degree of biodiversity, thus resulting in a very stable and resilient system. The treatment plants use of natural organisms, applied human intelligence, innovative bio-nano, and information technologies helps nature accelerate the purification of waste water, freeing it for reuse in non-potable applications; irrigation, cooling tower makeup and flushing.

Inside_Organica_pond

Additionally, this compact and odorless design fits in tight spaces within urban environments. This decreases the need for expensive pipes bringing the water back and forth. More importantly, it allows for the water to be reused directly on site for irrigation, toilet water, cooling towers, and all other needs depending on specifications. It also saves costs, in addition to all the above benefits. Fitting in small areas of land reduces capital costs, and the operational expenses are much lower than all other options.

Wastewater management has remained relatively stagnant for the past 80 years. Now, Organica’s approach is changing the game. In order to create a sustainable world, we must secure and allocate water supplies with a growing population and decreased water levels. Organica provides the solution.

Organica helps nature do its job, just better and faster.

Connect with Organica:
On Twitter
On Facebook

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Cash for Boilers – Update!

by Sustainable Andy on August 31, 2010 · 0 comments

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Last Week, we were able to meet with Matt Greco (Department of the Environment) at the apartments on Guerrero st.  He informed us that our low pressure stream boiler did in fact qualify for the incentives program, which could save us 20-30% on the cost alone.  Luckily, when Mr. Greco was inspecting the boiler, he found heavy corrosion, a result of the steam over the past 30 years. In addition, he mentioned that we can receive incentives for a new thermostat, radiator, and pipe insulation!

Overall, it was a success.  From here, I will be contacting contractors trained through this incentive program who will give us quotes in the weeks to follow.   Check out the photos of the existing boiler on Guerrero St. below

Guerrero Boiler rust1

Corrosion in Boiler on Guerrero St.

Guerrero Boiler rust3

Close-up of Corrosion

If you missed the first part of this article, check it out here.

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