Kalvisolai No 1 Educational Website in Tamil Nadu | Pallikalvi News | Tamil Educational News Website | TET Study Material | TRB Study Materials | SSLC Study Materials | PLUS TWO Study Materials | Online Test | Plus Two Question Papers | SSLC question Papers | TNPSC Study Materials

KALVISOLAI WHATSAPP

Minjur Desalination Plant

The Minjur desalination plant is the largest desalination plant in India.It is located in Kattupalli village near Minjur about 35km north of the state capital city, Chennai.The plant is established on 60 acre site at a cost of Rs.600 crore. Note : The second largest plant is in Jamnagar, Gujarat, with a capacity of 96 Million Litres per Day (MLD).

The Minjur desalination plant consists of 8,600 sea water reverse osmosis (RO) membranes.The pre-treatment of the raw sea water will include coagulation-flocculation, gravity and pressure filtration.

Minjur desalination plant Supplies 100-million-litres-a-day to the Chennai Metro water at the rate of Rs.48.66 per 1,000 litres (0ne litre Rs 4.86)

The facility has been implemented on a design, build, own, operate and transfer basis by Chennai Water Desalination Limited (CWDL), which is a special purpose vehicle of IVRCL Infrastructures and Project Limited and Befesa Aqua, Spain

The plant  produces potable water using reverse osmosis (RO) technology and serves an estimated population of 500,000 in Chennai.

The plant was originally scheduled to be opened in January 2009. The work on the plant, however, was delayed due to Cyclone Nisha in October 2008. The cyclone had damaged a portion of the completed marine works and also destroyed the cofferdam used for installation of transition pipes.
 
Chennai has a chronic water problem as the city depends extensively on ground water, replenished by an average rainfall of 1,276mm. The coastal city receives about 985mld of water from ground and surface water sources against the demand of 1,200mld. The demand is expected to increase to about 2,700mld by 2031. The underground aquifers are getting depleted at an alarming rate due to an increase in groundwater usage.

"The state government has decided to alleviate the freshwater problems by the desalination of sea water. Besides the Minjur plant, the Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) is also constructing a 100mld capacity desalination plant at Nemmeli, which is expected to be operational by December 2011.

Water from the desalination plant will be supplied for industrial purposes such as the Ennore Port Trust and North Chennai thermal power plant. The water will be supplied to public during droughts.

Minjur desalination plant design

The Minjur desalination plant consists of 8,600 sea water RO membranes, 248 pressure vessels, 23 pressure exchangers, five high-pressure pumps, 16 pressure filter vessels, electrical, automation and control systems, and a 1,200m of HDPE pipeline of 1,600mm diameter.

The CMWSSB has laid a 33km pipeline with a cost of INR930m ($20m) to carry the treated fresh water from Minjur to Red Hills. The project also includes infrastructure for the collection of seawater. A 110kV/22kV sub-station has been set up by the Tamil Nadu Electricity Board for uninterrupted power supply to the desalination plant.

A thorough environmental impact study was conducted to establish the effect of the plant on the livelihoods of fishermen and other communities. Studies were also conducted on the impact of high saline discharge on the fisheries and turtle nesting before the construction of the plant.

Sea water treatment process

Pre-treatment of the raw sea water, containing up to 6.4ppm aluminium and about 50NTU of turbidity, includes coagulation-flocculation, gravity and pressure filtration.

After filtration, the water is pumped to the plant. Here, it undergoes preliminary treatments before being passed through the RO trains. The water is forced through the RO membranes at high pressure. The membranes retain salts and pass the desalinated water.

The final water product from the RO system undergoes the post-treatment process. Flavour is added to the fresh water and stored in a 20mld underground water tank. It is then pumped to the Red Hills reservoir before releasing into the city grid.

The RO technology of the plant  produces 100mld of desalinated water from 273 million litres of sea water.

Chennai Water Desalination (CWDL) is executing the project for the CMWSSB on a design, build, own, operate and transfer (DBOOT) basis.

"The water will be supplied to public during droughts."In September 2005, the CMWSSB signed a bulk water purchase agreement (BWPA) with CWDL to purchase water from the Minjur desalination plant at a cost of INR48.66/m³ ($1.03/m³). It will be sold to industries at a rate of INR60/m³ ($1.27/m³). At the end of the 25-year agreement, the plant will be transferred to the state government of Tamil Nadu.

CWDL is a special-purpose vehicle established by the consortium of IVRCL Infrastructure and Projects and Befesa Agua. IVRCL holds 75% and Befesa holds 25% stake in CWDL.

The RO membranes for the plant were supplied by Hydranautics. Bekaert provided the pressure vessels, while Flowserve supplied the high-pressure pumps. The filter pressure vessels were provided by Hindustan Dore Oliver and the pressure exchanger by Energy Recovery (ERI).

The automation and control systems were supplied by Telvent while Siemens, ABB and Schneider supplied the electrical system. The HDPE pipes were provided by Pipelife Norge and Jain Irrigation.
Share:

1 comment:

  1. இந்த தொழில் நுட்பத்திற்கு என்ன செலவாகும், தொழில் நுட்பம் என்ன, இவைகள் பற்றிய விபரம் கொடுத்திருந்தால் முழுமையாக இருந்திருக்கும்.

    ReplyDelete

||| www.new.kalvisolai.com - What’s New Today...Click Here... |||

Categories

@ BREAKING NEWS (48) @ FLASH NEWS (3325) @ SITE MAP (1) @ செய்தி துளிகள் (4) 1.WHAT'S NEW (50) ACADEMIC CIRCULAR (1) ADMISSION UPDATES (110) AHM RELATED (1) ANDROID APP (5) ANSWER KEY (19) ARTICLES (168) ASSEMBLY UPDATES (6) AUDIO BOOK (1) AWARD UPDATES (7) BANK JOB UPDATES (25) BOOK FAIR (3) BOOKS CLASS 1 NEW (1) BOOKS CLASS 10 NEW (1) BOOKS CLASS 11 NEW (1) BOOKS CLASS 12 NEW (1) BOOKS CLASS 2 NEW (1) BOOKS CLASS 3 NEW (1) BOOKS CLASS 4 NEW (1) BOOKS CLASS 5 NEW (1) BOOKS CLASS 6 NEW (1) BOOKS CLASS 7 NEW (1) BOOKS CLASS 8 NEW (1) BOOKS CLASS 9 NEW (1) BOOKS D.ELE.ED 1 (1) BOOKS D.ELE.ED 2 (1) BOOKS EDUCATION (2) BOOKS ENGINEERING (2) BOOKS NCERT (13) BOOKS POLYTECHNIC (1) CALENDAR FOR SCHOOLS (5) CAREER GUIDANCE (1) CBSE UPDATES (2) CCE REGISTER (1) CEO TRANSFER-PROMOTION (5) CEO LIST (1) CLASS 1 STUDY MATERIALS (1) CLASS 10 STUDY MATERIALS (1) CLASS 11 BIOLOGY MATERIALS (3) CLASS 11 BIOLOGY ZOOLOGY OT -EM (1) CLASS 11 BIOLOGY ZOOLOGY OT -TM (1) CLASS 11 STUDY MATERIALS (1) CLASS 11 ZOOLOGY OT -EM (1) CLASS 11 ZOOLOGY OT -TM (1) CLASS 11 ZOOLOGY OT -TM_2 (13) CLASS 12 BIO BOT - BIO ZOO ONLINE TEST WITH AUDIO (1) CLASS 12 BIOLOGY BOTANY OT EM (1) CLASS 12 BIOLOGY BOTANY OT TM (2) CLASS 12 BIOLOGY ZOOLOGY 2-3-5 EM (4) CLASS 12 BIOLOGY ZOOLOGY 2-3-5 TM (4) CLASS 12 BIOLOGY ZOOLOGY OT EM (1) CLASS 12 BIOLOGY ZOOLOGY OT TM (1) CLASS 12 STUDY MATERIALS (4) CLASS 12 ZOOLOGY 2-3-5 EM (4) CLASS 12 ZOOLOGY 2-3-5 TM (4) CLASS 12 ZOOLOGY OT EM (1) CLASS 12 ZOOLOGY OT TM (1) CLASS 12 ZOOLOGY TM (1) CLASS 2 STUDY MATERIALS (1) CLASS 3 STUDY MATERIALS (1) CLASS 4 STUDY MATERIALS (1) CLASS 5 STUDY MATERIALS (1) CLASS 6 STUDY MATERIALS (1) CLASS 7 STUDY MATERIALS (1) CLASS 8 STUDY MATERIALS (1) CLASS 9 STUDY MATERIALS (1) CLASS_11_BIO_ZOO_OT_TM_2 (12) CLASS_11_OT (4) CLASS_12_BIO_BOT_OT_EM_2 (10) CLASS_12_BIO_BOT_OT_TM_2 (10) CLASS_12_BIO_ZOO_OT_TEM_2 (12) CLASS_12_OT (6) CLASS_12_ZOO_OT_TEM_2 (13) CLASS_12_ZOOLOGY_TM (3) COACHING CENTRES (6) COLLEGE UPDATES (22) COMPUTER TEACHERS UPDATES (10) CoSE (11) COUNSELLING UPDATES (23) COURT UPDATES (26) CPS (3) CPS UPDATES (12) CRC (1) CSE (2) CSE_2 (55) CTET (2) D.A G.O (4) D.A NEWS (7) DEE (5) DEO EXAM UPDATES (18) DEO TRANSFER-PROMOTION (2) DGE (20) DRESS_CODE (1) DSE (26) E-BOOKS DOWNLOAD (1) EDU UPDATES (1464) EDUCATION NEWS (1) ELECTION (2) EMAIL ME (1) EMIS (1) EMPLOYMENT UPDATES (444) EQUIVALENCE OF DEGREE (2) EXAM ESLC (7) EXAM NOTIFICATION (16) EXAM UPDATES (73) EXCEL TEMPLATE (3) FIND TEACHER POST (10) FONTS -TAMIL (1) FORMS (5) G.K NEWS (17) G.O DOWNLOAD (19) G.O UPDATES (93) G.O_NO_001-100_2 (1) G.O_NO_101-200_2 (2) G.O_NO_201-300_2 (1) G.O_NO_601-700_2 (1) GPF (2) GUIDE - ARIVUKKADAL BOOKS (1) GUIDE - BRILLIANT GUIDE (1) GUIDE - DEIVA GUIDE (1) GUIDE - DOLPHIN GUIDE (1) GUIDE - DON GUIDE (1) GUIDE - FULL MARKS GUIDE (1) GUIDE - GEM GUIDE (1) GUIDE - JAMES GUIDE (1) GUIDE - JESVIN GUIDE (1) GUIDE - KONAR GUIDE (1) GUIDE - LOYOLA GUIDE (1) GUIDE - MERCY GUIDE (1) GUIDE - PENGUIN GUIDE (1) GUIDE - PREMIER GUIDE (1) GUIDE - SARAS GUIDE (1) GUIDE - SELECTION GUIDE (1) GUIDE - SURA GUIDE (1) GUIDE - SURYA GUIDE (1) GUIDE - WAY TO SUCCESS GUIDE (1) HM GUIDE (1) HM TRANSFER-PROMOTION (1) HOLIDAY G.O (4) HOLIDAY UPDATES (17) IFHRMS (2) INCOME TAX UPDATES (2) IT FORM (24) JACTO GEO (2) JD TRANSFER-PROMOTION (3) KALVI TV_2 (2) KALVI_VELAIVAIPPU (43) KALVISOLAI - CONTACT US (1) KALVISOLAI - TODAY'S HEAD LINES (2) KAVITHAIKAL (1) LAB ASST (1) LEAVE (1) LOAN (1) maternity leave (1) MRB UPDATES (5) NCERT NEWS (1) NEET EXAM UPDATES (67) NEET NOTIFICATIONS (1) NEET STUDY MATERIALS (9) NET-SET UPDATES (25) NET-SET NOTIFICATION (11) NEW INDIA SAMACHAR (1) NEWS - INDIA (9) NEWS LIVE (1) NHIS (1) ONE DAY SALARY (1) ONLINE TEST (53) PART TIME TEACHERS UPDATES (4) PAY COM UPDATES (27) PAY ORDERS (27) PAY SLIP DOWNLOAD (1) PENSION NEWS (2) PG SENIORITY LIST (1) POLICE RECRUITMENT UPDATES (9) POLICE S.I NOTIFICATIONS (2) POLYTECHNIC LECTURER UPDATES (2) POSTS TO REMEMBER (55) POSTS-TO-REMEMBER (1) PRAYER (66) PROMOTION PANEL (2) PROMOTION PANEL_2 (88) PROMOTION UPDATES (16) PROMOTION-COUNSELLING (1) PROMOTION-COUNSELLING_2 (133) PTA QUESTION BANK (1) PTA TEACHERS (2) QUARTERLY EXAM (1) REGULARISATION ORDERS (22) RESULT - LINK (2) RESULT UPDATES (87) RH DOWNLOAD (8) RRB (1) RTE UPDATES (3) SCHOLARSHIP UPDATES (3) SCHOOL UPDATES (13) SHARE NOW (1) SMC (1) SSC UPDATES (1) STORY (8) STUDY ACCOUNTANCY (1) STUDY AGRI SCIENCE (1) STUDY ARABIC (1) STUDY AUDITING (1) STUDY AUTOMOBILE (1) STUDY BIO CHEMISTRY (1) STUDY BOTANY-BIOLOGY (3) STUDY BUSINESS MATHEMATICS (1) STUDY CHEMISTRY (1) STUDY CIVIL ENGINEERING (1) STUDY COMMERCE (1) STUDY COMPUTER (2) STUDY ECONOMICS (1) STUDY EDUCATION (2) STUDY ELECTRICAL ENGINEERING (1) STUDY ELECTRONIC ENGINEERING (1) STUDY ENGINEERING (2) STUDY ENGLISH (1) STUDY ETHICS (1) STUDY FOOD SERVICE MANAGEMENT (1) STUDY GENERAL MACHINIST (1) STUDY GENERAL STUDIES (1) STUDY GEOGRAPHY (1) STUDY GEOLOGY (1) STUDY HINDU RELIGION (1) STUDY HISTORY (1) STUDY HOME SCIENCE (1) STUDY KANNADA (1) STUDY LAW (1) STUDY LIBRARY (1) STUDY MALAYALAM (1) STUDY MATERIALS (5) STUDY MATHEMATICS (1) STUDY MECHANICAL ENGINEERING (1) STUDY MEDICINE (1) STUDY MICROBIOLOGY (1) STUDY NURSING (1) STUDY NUTRITION (1) STUDY OFFICE MANAGEMENT (1) STUDY PHYSICAL EDUCATION (1) STUDY PHYSICS (1) STUDY POLITICAL SCIENCE (1) STUDY POLYTECHNIC (1) STUDY PSYCHOLOGY (1) STUDY SANSKRIT (1) STUDY SCIENCE (1) STUDY SOCIAL SCIENCE (1) STUDY SOCIOLOGY (1) STUDY STATISTICS (1) STUDY STENOGRAPHY (1) STUDY TAMIL (1) STUDY TELUGU (1) STUDY TEXTILES (1) STUDY TYPE WRITING (1) STUDY URDU (1) STUDY ZOOLOGY-BIOLOGY (3) STUDY_MATERIALS_2 (1) SYLLABUS DOWNLOAD (6) TALENT EXAM MATERIALS (1) TALENT EXAM UPDATES (3) TAMIL NADU UPDATES (80) TANCET EXAM UPDATES (3) TEACHERS TRANSFER COUNSELLING UPDATES (34) TECHNICAL EXAM UPDATES (2) TET (1) TET OFFICIAL ANSWER KEY (6) TET STUDY MATERIALS (16) TET UPDATES (54) TEXT BOOKS DOWNLOAD (16) TEXT BOOKS NEWS (6) TEXT MATERIALS (1) TIME TABLE EXAM (34) TN (1) TN GOVT DSE G.O DOWNLOAD | பள்ளிக்கல்வி அரசாணை 1 (2) TN GOVT DSE G.O DOWNLOAD | பள்ளிக்கல்வி அரசாணை 2 (1) TN GOVT DSE G.O DOWNLOAD | பள்ளிக்கல்வி அரசாணை 3 (1) TN GOVT DSE G.O DOWNLOAD | பள்ளிக்கல்வி அரசாணை 4 (1) TN PROMOTION - TRANSFER - COUSELLING (1) TN TEXT BOOKS ONLINE (1) TNCMTSE (3) TNFUSRC MATERIALS (1) TNPSC ANNUAL PLANNER (9) TNPSC ANSWER KEY (1) TNPSC BULLETIN (1) TNPSC CURRENT AFFAIRS (19) TNPSC DEPARTMENTAL EXAM (18) TNPSC DEPARTMENTAL EXAM ONLINE TEST (61) TNPSC NOTIFICATION (51) TNPSC PRESS RELEASE (3) TNPSC STUDY MATERIALS (35) TNPSC SYLLABUS (1) TNPSC UPDATES (182) TNUSRB MATERIALS (2) TOP-POSTS (13) TRANSFER UPDATES (16) TRB ANNUAL PLANNER (6) TRB ANSWER KEY (3) TRB BEO (2) TRB NOTIFICATIONS (29) TRB RESULT (5) TRB SPECIAL TEACHERS (1) TRB STUDY MATERIALS (3) TRB UPDATES (144) TRUST EXAM (3) TTSE (3) UGC NEWS (4) VIDEO (6) VIDEOS FOR TNPSC (1) WEBSITE (1) What's New. (1) WHATSAPP UPLOAD 2023 (2)

Get Latest Updates: Follow Us On WhatsApp

Popular Posts

Blog Archive

Recent Posts

Featured Post

PTA QUESTION BANK BOOK DOWNLOAD | 10 மற்றும் 12ஆம் வகுப்புகளுக்கான மாதிரி வினாத்தாள் தொகுப்பு மற்றும் தீர்வுப் புத்தகம் வெளியீடு.

PTA QUESTION BANK BOOK DOWNLOAD | 10 மற்றும் 12ஆம் வகுப்புகளுக்கான மாதிரி வினாத்தாள் தொகுப்பு மற்றும் தீர்வுப் புத்தகம் வெளியீடு. NEED ...

Followers

Pages