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With the expanding condition, the accessibility of clean water has turned out to be key innovative, social and conservative difficulties of the 21st century. Around 1.2 billion individuals, or just about one-fifth of the total populace, live in ranges of physical shortage, and 500 million individuals are moving toward this situation.1 Another 1.6 billion individuals, or very nearly one fourth of the total populace, confront financial water deficiency (where nations do not have the vital foundation to take water from streams and aquifers). To confound matters, expanding groundwater extraction around the world outcomes in dynamic salt water entrance in wells and aquifers. Rajasthan is the driest state of India, in which out of 15 basins only 2 basins are perennial. Due to unavailability of surface water in the state, groundwater plays an important role for all uses particularly as a drinking water source. The state dependence on ground water is 91% for drinking water. Therefore, state faces acute water crisis making Groundwater a centralized source of drinking water for millions of rural and urban families in Rajasthan. Unfortunately, in Rajasthan this precious source is facing the problem of salinity and nitrate contamination in most of the districts of the state. A total of 19 districts are affected and Bhilwara is said to be the worst.. Many reverse osmosis plants have been installed in Rajasthan for removal of nitrate from ground water. But, due to high power consumption, scaling and fouling of membranes, reduced water recovery and poor maintenance, most of the RO plants are not working properly. Thus, alternative technology is required with low power consumption and maintenance cost for the treatment of underground water. The study was carried out to evaluate efficiency of membrane capacitive deionization for removal of nitrate from underground water with elevated electric conductivity in the western Rajasthan. Accordingly, certain areas of Jodhpur and Jaisalmer districts were selected as the study area. The pilot plant (CapDI) manufactured by Voltea (Netherland) was provided by InNow India Pvt. Ltd for carrying out this study. It is found that MCDI technology is very effective in nitrate removal if total dissolved solids concentration is less than 5000 mg/ lt and percentage reduction of nitrate by MCDI technology is almost same as of by reverse osmosis technology. It was found that MCDI technology requires less power &gives more water recovery with low maintenance cost. Therefore it can be said MCDI technology is better than reverse osmosis technology.

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"ASSESSMENT OF NITRATE REMOVAL BY MEMBRANE CAPACITIVE DEIONIZATION", International Journal of Emerging Technologies and Innovative Research ( | UGC and issn Approved), ISSN:2349-5162, Vol.4, Issue 12, page no. pp73-76, December-2017, Available at : &

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Published Paper ID: JETIR1712015
Registration ID: 171034
Published In: Volume 4 | Issue 12 | Year December-2017
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Page No: 73-76
ISSN Number: 2349-5162

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(Volume 5 | Issue 2 | February 2018 |Impact factor 5.87)

Call For Paper | Volume 5 | Issue 2 | Impact factor 5.87

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