Answer / digital_yogesh

TDS =UP TO 500 AND MAXIMUM 2000
TOTAL HARDNESS = 300 AND MAXIMUM 600
pH = 6.5 TO 8.5

Answer / ram

6.8-7.8

Answer / er. inder amar singh

The TDS reomended for human beaing is less than 100. and the
Ph should be 7.

Answer / vimal

TDS is less than 100,harness 150mg/l & PH is 6.5 to 7.5

hai i A neelakanteswara rao ,selected for the interview on 15th july 2008. I completed my diploma in chemical engineering.let me know how to face the interview& the type of technical questions.

0 Answers   IOCL,

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what are the reaction between sodium meta bi sulphate and chlorine?

1 Answers   Dalkia,

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What is Vacuum? If pressure is less than that of atmospheric, can we call it vacuum? If so some places have less atmospheric pressures, can we call people living there are living in vacuum?

5 Answers   ISRO, TCS,

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What compounds are responsible for the odors that come from wastewater treatment plants?

0 Answers  

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Explain how can one quickly estimate the additional pressure drop to be introduced with more tube passes?

0 Answers  

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How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.

0 Answers  

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hi, i have completed B.tech Chemical enggneering, plz can anyone provide me GVK BIO company's interview questions. iam attending the interview for the first time..

0 Answers  

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how interstage pressure of multistage compressor is calculated?

2 Answers  

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what is fund flow definition

1 Answers   Amara Raja,

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When should one be concerned with the tube wall temperature on the cooling waterside of a shell and tube exchanger?

0 Answers  

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I HAVE DOMAIN KNOWLEDGE IN PROCESS MANUFACTURINGAND I GOT AN APPARTUNITY AS A BUSINESS ANALYST AND I DNT HAVE ANY KNOWLEDGE ON ORACLE APPS/GIVE ME ANY VALUBLE SUGGESTION?

0 Answers   Satyam,

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UNIT OPERATION - EXAMPLE 9.2 : A distillation column separates 10000 kg / hr of a mixture containing equal mass of benzene and toluene. The product D recovered from the condenser at the top of the column contains 95 % benzene, and the bottom W from the column contains 96 % toluene. The vapor V entering the condenser from the top of the column is 8000 kg / hr. A portion of the product from the condenser is returned to the column as reflux R, and the rest is withdrawn as the final product D. Assume that V, R, and D are identical in composition since V is condensed completely. Find the ratio of the amount refluxed R to the product withdrawn D. Hint : Solve the simultaneous equations as follow in order to find the answer (R / D) : 10000 = D + W; 10000 (0.5) = D (0.95) + W (0.04); 8000 = R + D.

1 Answers  

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