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Membrane Bioreactors For Municipal Wastewater Treatment

RRP $48.00

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Recent technical innovations and significant cost reductions have sharply increased the potential for using Membrane Bioreactor (MBR) technology in municipal wastewater treatment. MBR technology displays several advantages compared to the traditional activated sludge processes, such as high effluent quality, limited space requirement and with the possibility of a flexible and phased extension of existing waste water treatment plants. Membrane Bioreactors for Municipal Wastewater Treatment describes the results of a comparative research programme involving four leading membrane suppliers: Kubota (Japan), Mitsubishi (Japan), X-Flow (Netherlands) and Zenon (Canada). Each supplier provided a pilot to represent a suitable scale - right up to full scale. These pilots were operated and optimised in the course of the research programme to achieve the best operating window under different operating regimes. The research focussed on the functionality of the membrane, the biological treatment, membrane fouling, achieved effluent quality, and system operability as well as other factors. In a number of side studies the required pre-treatment, membrane fouling/cleaning, energy usage, effluent quality and sludge processing were also addressed. The comparative pilot research was carried out by DHV Water on location at the wastewater treatment plant at Beverwijk in the Netherlands.


Water Purification Using Heat Pumps

RRP $444.99

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This book is the result of a long-term co-operative research and professional development programme between the Instituto de Investigaciones Electricas (IIE), Mexico, and the University of Salford, UK. It provides the design basis for the fabrication of small and large scale commercial absorption heat pump systems, and includes a comprehensive treatment of the economics of heat pump systems. It charts the development of heat pump technology from theoretical principles to the operation of practical systems for the purification of water, both for human consumption and a wide variety of industrial purposes.
In addition to the increasing demand for potable water there is a rapidly increasing demand for clean water in industries ranging from foodstuffs and pharmaceuticals to electronics. This book will be essential reading for industrial engineers and others concerned with the cost-effective, environmentally friendly production of clean water.


Sensor Technology For Water Quality Monitoring

RRP $54.95

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Two methods for the detection of important human pathogens, Cryptosporidium parvum and Helicobacter pylori, were investigated: a fiber optic biosensor, and real time PCR. The mechanism for specific detection in both methods is recognition of specific DNA sequences in the target organisms. The biosensor that was used, the Analyte 2000, was originally developed for the detection of chemicals. It utilizes a fiber optic wave guide that propagates an evanescent light wave of very specific wavelength. The light excites fluorescent molecules bound to the waveguide, but not in the bulk solution, which theoretically enhances signal while reducing background interference. Attempts to develop this system for the detection of DNA were not successful due to poor detection of the target molecules. An assay analogous to a sandwich immunoassay was designed for use on the Analyte 2000. Specific oligonucleotide probes were designed to bind to the waveguides via biotin-streptavidin interaction, and were used to capture the target DNA. Pure target DNA representing unique genes in the organisms were synthesized by PCR. Detection of captured DNA was then attempted using an oligonucleotide detection probe designed to bind to the target. Two detection systems were employed: an indirect signal amplification system based on biotin-tyramide deposition, or direct detection of fluorescent signal from Cy-5 molecules. In all experiments performed there was very little difference between the signal generated with or without the target molecules. Many experiments were conducted to attempt to identify reasons for the poor signal. Signal was only of any significance when target amplicons were internally labeled with Cy-5 by PCR. Real time PCR as a method to detect the pathogens was also investigated. Though the PCR technique itself is very rapid, DNA extraction and purification requires preparation time. Filtration of up to one liter of well water, followed by concentration and "cleaning" Helicobacter pylori cells by immunomagnetic separation, was used to detect H. pylori seeded in a water source. Following cell lysis, the extracted DNA could be used directly in conventional PCR targeting the 16S rRNA gene to detect less than 265 cells per liter of water. DNA purification was not required for this level of detection. Initial studies to amplify lysed cells by real time PCR indicated that an incorrect product was made. When purified DNA was used for real time PCR, the correct product was produced from DNA representing as few as 100 cells. This publication can be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below


Clean Eating

RRP $18.99

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Clean Eating 2nd Edition! Get Ready to Start Off Your Best New Year Ever!CLEAN EATING MADE SIMPLE!Clean Eating is perhaps the best way to approach a healthy lifestyle without some of the more strict limitations of other diets. In fact, it is more of a lifestyle choice rather than a diet, which is what makes it perfect for anyone, anytime, anywhere! If you're looking for the perfect solution to permanently lose weight naturally while achieving the best health and energy levels like never before, this is the only way to go! It's become an increasingly popular approach for achieving a healthy mind and body through changing your eating habits by eliminating processed foods from your diet and replacing them with all natural unprocessed ones. Although clean eating isn't necessarily new, with more people becoming health conscious in today's world of genetically modified and otherwise artificially processed foods, clean eating is proven to be the clear winner for permanent weight loss, increased energy, money savings and overall health and vitality compared to all of the other popular diet trends out there today! Perhaps that's because clean eating isn't necessarily a "diet" but rather a lifestyle choice. Because of this, it's much easier to get started and stick with this approach. The best part is, this book will show you that you aren't restricted from eating any of the food groups you know and love!What You'll Learn:-Why is clean eating the best lifestyle choice?-What are clean foods and how do I find them?-How can clean eating help me lose weight fast?-How can clean eating dramatically improve my skin-Clean eating for busy families-And so much more!Make clean eating a part of your life today! Not only will your wallet thank you for the increased cost savings, you'll sleep better, have increased energy, a clear mind, feel younger, happy and healthier than you have ever before! So what are you waiting for? Download your copy of "Clean Eating: Lose Weight for Life! 7 Days to a Perfect Body Following the Clean Eating Diet" today!Take action today and download this clean eating cookbook for the best clean eating recipes, tips and tricks to help you lose weight, feel more energized and take back your health forever!Tags: clean eating, clean eating diet, clean eating cookbook, clean eating made simple, clean eating recipes, clean eating magazine, clean eating for busy families


Hot Wheels : Paint With Water!

RRP $12.99

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Have fun with your favourite characters in this amazing paint with water book!

Children will love the fun of bringing characters to life with nothing more than water and a paintbrush.



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Clean Water Help Environment Pure Water Water Purifier
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