Industrial Wastewater Treatment

b. Explain the method adopted for treatment and disposal of sludge solids.

b. Discuss the characteristics and treatment of wastewater from a pharmaceutical industry.

a. With the help of a line diagram explain the process of paper and pulp industry highlighting the sources of wastewater generation.

b. State the origin and characteristics of the wastewater from dairy industry.

a. With the help of a flow diagram explain the treatment units suggested to treat Wastewater from a steel industry along with wastewater characteristics.

b. With the help of a line diagram explain the process of tanning industry highlighting the sources of wastewater generation. 

a. comment on the characteristics and treatment of wastewater from a sugar industry.

b. Explain the effects of discharge of raw and partially treated wastes to streams.a

a. Write an explinatory note on feasibility of combined treatment of industrial waste with domestig waste

a. Distinguish between :

i) Domestic and industrial wastewater

a. List and explain the methods of removal of colloidal solids.

b. What is neutralization of industrial Wastewater? Explain the common methods adopted forneutralization.

a. What is meant by strength reduction? Explain the various methods of strength reduction.

b. A city discharges 100 cumecs of sewage into a river, wher' is fully saturated with oxygen and flowing at the rate of 1500 сumecs during its learn stays with a velocity of 0.1 m/sec. The 5-days BOD of sewage at the given temperature is 280 mg/L. Find when and where the critical D.O. deficit will occur in the downstream portion of the river and what is its amount. Assume co-efficient of purification of stream as.4.0 and K_D as 0.1. 

a. Explain self purification of steams with sag curve.

b. Explain the effects of discharge of industrial wastewater on streams.

 a. Distinguish between :

ii) Stream standards and effluent standards.