Impact assessment: general principle

May 3rd, 2007

Impact assessment history began at 1970, it was the President, Richard Nixon, who signed NEPA into law, establish a national policy to encourage “productive and enjoyable harmony” between people and their environment. Because of that, the Council on Environmental Quality (CEQ) was established with its main job to monitor the environmental effects of all federal activities, assists the President in evaluating environmental probles and determines solutions to these problems. Read the rest of this entry »

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Being an environmental engineer: pass SAT

May 2nd, 2007

Environmental engineering is truly phenomenon, with the never ending story to remediate pollution and our natures. I remember the time when I got accepted at Department of Environmental Engineering, ITS, I was very happy as being a part of environmental engineer family was my expectation. But of course I had to work hard to pass the exam to go to that college, which was called UMPTN, similar with SAT test in US. Read the rest of this entry »

Posted in Uncategorized | 2 Comments »

Environmental impact assessment: brief overview

May 2nd, 2007

Almost all aspects involving alteration of natural environment now require that the impact, interactions and effects of every designed structures towards natural habitat or ecosystems be considered and assessed for any kind of activities. In US, this was in 1970 which the principle was enacted into federal law. Read the rest of this entry »

Posted in Impact Assessment, Introduction to Environmental Engineering | No Comments »

Environmental Engineer as profession

April 29th, 2007

The general objectives and golas of colleges adn universities are to allow students to mature intelectually and socially and to prepare for careers, especially for environmental engineering profession that are rewarding. The chosen vocation is ideally an avocation as well. Having a job like an environmental engineer, we should take it as an enjoyable job and approaching it with enthusiasm, even after experiencing many of the ever-present bumps in the path. Be love and enjoy is the key, not only for environmental engineering field but apply to other kind of jobs. Read the rest of this entry »

Posted in Environmental Engineering I | 1 Comment »

Environment Sites and SEO

April 21st, 2007

If you are wondering SEO is, it is Search Engine Optimization. What it has something to do with environment? Well, I make this post to encourage those environmental sites webmasters to build sites that SEO-friendly. Read the rest of this entry »

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Ecology: its term and concept

April 19th, 2007

Definition: ecology
Ecology is the science of the relationships between organisms and their environments, defined by thefreedictionary. More explanation provided by wikipedia, as ecology is the scientific study of the distribution and abundance of living organisms and their interactions each other. Ecosystems, as part of ecology, is interdependent populations of organisms interacting with their physical and chemical environment. Ecosystem interactions can also include more than two species. Read the rest of this entry »

Posted in Environmental Engineering I | No Comments »

Gel Filtration Chromatography: protein fractionation

April 13th, 2007

Well known as GFC, this is usually used to fractionate protein. It is based on molecular size, when larger particles will eluete first, followed by smaller molecule. In my experiment, I will employ this to fractionate humic substance. There are several points from which the method in using this GFC. GFC is included in Size Exclusion Chromatography. Size exclusion chromatography (SEC) is a chromatographic method in which particles are separated based on their size. When an aqueous solution is used to transport the sample through the column the technique is known as gel filtration chromatography. Read the rest of this entry »

Posted in Membrane Theses | 4 Comments »

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