Chemical Oxygen Demand Tenders

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CTN :41671398

04 Dec, 2025 NA

Raebareli - Uttar Pradesh

Tender For bid to ras supply of single cylinder four stroke petrol engine test rig , single cylinder diesel engine test rig , hydraulic brake unit , transmission system gear box and clutch , firing order in si engine , universal milling machine , grinding machine , shaper machine , foundry shop , soldering and brazing experiment , bomb calorimeter calorific value of fuel , vapor compression refrigeration test rig , vapor absorption refrigeration test rig , cut section of rotary and reciprocating compressor , vortex tube colling apparatus , thermoelectric refrigeration test rig , support beam reaction apparatus , mild steel bending test on simply supported beam , spring deflection testing machine , whirling of shaft apparatus , inertia of a flywheel app , slider crank mechanism , universal vibration apparatus , cam analysis machine , motorized gyroscope three axis , journal bearing apparatus , universal governor apparatus , static and dynamic balancing apparatus , slip and creep measurement apparatus

State Government

CTN :42968843

05 Dec, 2025 64.82 Lacs

Varanasi - Uttar Pradesh

Tender For operation and comprehensive maintenance of stp having capacity of 200 kld at pump and 50 kld at iesd building in bhu, varanasi - operation & comprehensive maintenance of sewage treatment plant of required capacity with mmbr technology round the clock (24x7) by engaging qualified plant operator in three shifts of 8 hours duty of each using chemicals sodium hypochlorite, bio culture, consumables etc as required for maintenance and as directed by engineer-in-charge, the treated sewage shall have the acceptable parameter like phvalue, suspended solids, total dissolved solids (inorganic), bio chemical oxygen demand-bod (5 days at 20 degree centigrade), chemical oxygen demand-cod, ammonial nitrate, total kjeldahi nitrogen, oil & grease, colour and odour shall be within the limits as prescribed in relevant bis code and shall be reusable for horticultural purpose/flushing or recharge to sround water after treatment and chlorination. the treated samples shall be collected & tested monthly and report to be submitted to engineer-in-charge. rate shall be inclusive of cost of repairs to pumps and other electrical and mechanical components and maintenance of all installations if any, cost of watch and ward arrangement shall be made for the above sewage treatment plant etc., cost of testing treated water, complete including replacement of damaged diffusers if any, replacement of media of carbon and sand fillers etc as perterms and conditions complete as per direction & satisfaction of engineer-in-charge having capacity 50 kld sewage treatment plant, 1st year (for one year)., 2nd year (for one year)., operation & comprehensive maintenance of sewage treatment plant of required capacity with mmbr technology round the clock (24x7) by engaging qualified plant operator in three shifts of 8 hours duty of each using chemicals sodium hypochlorite, bio culture, consumables etc as required for maintenance and as directed by engineer-in-charge, the treated sewage shall have the acceptable parameter like phvalue, suspended solids, total dissolved solids (inorganic), bio chemical oxygen demand-bod (5 days at 20 degree centigrade), chemical oxygen demand-cod, ammonial nitrate, total kjeldahi nitrogen, oil & grease, colour and odour shall be within the limits as prescribed in relevant bis code and shall be reusable for horticultural purpose/flushing or recharge to sround water after treatment and chlorination. the treated samples shall be collected & tested monthly and report to be submitted to engineer-in-charge. rate shall be inclusive of cost of repairs to pumps and other electrical and mechanical components and maintenance of all installations if any, cost of watch and ward arrangement shall be made for the above sewage treatment plant etc., cost of testing treated water, complete including replacement of damaged diffusers if any, replacement of media of carbon and sand fillers etc as perterms and conditions complete as per direction & satisfaction of engineer-in-charge having capacity 200 kld sewage treatment plant, 1st year (for one year)., 2nd year (for one year).

CTN :42754474

05 Dec, 2025 10.00 Lacs

Tikari - Bihar

Tender For supply of lab equipment for department of chemistry --, hot plate with magnetic stirrer, bench top ph meter, handheld ph meter, sonicator bath (2.5 liters), vacuum pump, double distillation unit (2.5 lph output), weighing balance, benchtop ec meter, joule's calorimeter with thermometer, handheld ec meter, bod (biochemical oxygen demand) incubator, cod (chemical oxygen demand) digester, hot air oven, manometer, digital thermometer, benchtop autoclave (small size)

CTN :42774159

06 Dec, 2025 NA

Surat - Gujarat

Tender For supply of cod (chemical oxygen demand) analyzer (closed reflux) (q3)

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