"chemicals" newsreels and historical clips

... needs of agriculture.

Watering the field with a sprinkler machine.

Industry takes 40%.

Mining with artificial moistening of the rock.

Metalworking.

Chemical production.

10% is used for household purposes.

This part of the water should be especially clean.

Water supply station.

Cleaning is carried out in ...

... production.

Water quality testing laboratory.

The structure of engineering structures, especially chemical ones, includes wastewater treatment plants.

Sewage treatment plants.

Panorama of treatment facilities in chemical production.

The preliminary stage is mechanical cleaning.

First, the water passes through ...

... surfaced to the surface.

The teeth contribute to a uniform flow of purified water.

Industrial wastewater containing alkalis, acids are subjected to chemical purification, the basis of which is the neutralization process.

The averager.

A cartoon explaining the work of the averager.

After the averager, the ...

... polyacrylamide.

The process of physico-chemical purification in clarifiers is being completed.

A cartoon showing the filtering process.

One of the types of coagulation is flocculation.

A cartoon explaining the flocculation process.

Septic tanks.

The methods of physico-chemical purification also include the flotation ...

... membrane installation, purification takes place at the molecular level.

With all methods of wastewater treatment, sediment remains.

There is sludge in chemical treatment, and active sludge in biological treatment.

Disposal of precipitation is an unsolved problem.

The sediments are dewatered, compacted and ...

... of chemical industries, the production process in enterprises.

Treatment chemicals field by helicopter, the production of tires, kind of the chemical enterprise.

Equipment in the chemical Laboratory of macromolecular compounds of the Academy of Sciences (DACRON).

Retorts and flasks for chemical tests ...

... experiments and chemical reactions.

Scientists monitor the course of chemical reactions, add reagents, those scientists.

Scientists are modeling the atomic structure of the substance on the layout, write the formulas on the Board.

Scientists have tested the operation of equipment, mixing chemicals, heat up ...

One of the chemists writes the results of the chemical reaction.

Scientists discuss scientific problems.

Laboratory worker monitors the progress of a chemical reaction.

Person chemists.

Elements of laboratory equipment, the scale of the thermometer, boiling in the flask liquid.

Scientists-chemists discussing ...

... discussing scientific problems, arguing, writing on the blackboard formula.

Interior view of the chemical laboratory and equipment elements.

Switzerland, Niderdandy, Germany: As a result of an accident at a chemical plant, "Sandoz" (Switzerland) is chemical contamination of waters of the Rhine.

Chemical production.

General view of the chemical enterprise.

A batch reactor.

Operation of a periodic reactor (animation).

Synthesis of resins.

Continuous reactors.

Reactor for styrene polymerization (animation).

Process Control and Management Center.

Complete mixing reactors (animation).

Full displacement ...

Adiabatic reactor.

The device of an adiabatic reactor (animation).

Polytropic reactor (animation).

Chemical laboratory.

Tubular reactor for the production of synthetic rubber.

A column-type reactor.

Operation of the column reactor (animation).

Reactor operation with bubbling (animation).

Rotary kiln ...

Environment: Implications of leakage of toxic chemicals in the waters of the Rhine in the accident in the Swiss chemical plant "Sandoz".

Pollution problems of the world's largest rivers.

Center of household chemicals.

Study, an interview with an expert.

Expert on chemical synthetic products, household use (synchronous).

Laboratory.

Laboratory assistant at work, testing paints.

Study.

Specialist of wax-based inks.

Picturesque probes, color figures on the table.