- •4. Purification, neutralization and recycling industrial waste products in technology of inorganic substances
- •4.1. Environmental problems of soda ash production
- •Control questions on the topic “Environmental problems of soda ash production”
- •4.2. Ways of processing the waste water and industrial waste formed at ammoniac saltpeter manufacture
- •Treatment and use of the waste water
- •Treatment of the vapour condensate by ion exchange method
- •Treatment of the vapours in gas washers
- •Control questions on the topic “Ways of processing of sewage and industrial wastes by ammoniac saltpeter manufacture”
- •4.3. Waste products formed at caustic soda manufacture and methods of their processing
- •Control questions on the topic “Waste products formed at caustic soda manufacture and methods of their processing”
- •4.4. Waste products of acid processing phosphate raw material. Removal of fluorine compounds. Waste water treatment. Processing solid waste products (phosphogypsum, limy sludge).
- •Possible ways of phosphogypsum processing
- •1. Manufacture of sulfuric acid and lime
- •2. Obtaining ammonium sulfate
- •Control questions on the topic “Waste products of phosphates acid processing”
- •4.5. Waste products of sulphuric acid manufacture. Methods of purification, processing and neutralization of solid waste products, sulphurous anhydride and waste water
- •Recycling of selenium sludge
- •Cleaning of departing gases from so2 and a fog of sulphuric acid
- •Sewage treatment
- •4.6. Waste products of phosphorus production. The characteristic of departing gases, dust, sludge and slag. Circuits of their clearing, neutralization and recycling.
- •Control questions on the topic Waste products of phosphorus production. The characteristic of departing gases, dust, sludge and slag. Circuits of their clearing, neutralization and recycling.
- •Literature
Control questions on the topic Waste products of phosphorus production. The characteristic of departing gases, dust, sludge and slag. Circuits of their clearing, neutralization and recycling.
1. Which raw material for phosphorus production is used?
2. Write the general formula of apatitys. Call the most distributed kinds of apatitys.
3. Which types of chemical compounds phosphorites contain?
4. Call the largest deposit of phosphorites in our country.
5. Write the total reaction of threecalciumphosphate reduction by carbon and phosphorus sublimation.
6. Which chemical compounds are contained in fuel phosphorus-containing gases?
7. Which method for fuel gas cleaning is used?
8. What is “cottrel milk”? Where it is formed?
9. On which stage of phosphorus production sewage is used? Which kinds of pollutants sewage contains?
10. How much stages the process of dry-process phosphoric acid production includes? Call of them.
11. Which way for phosphorus-containing sewage cleaning is used? Explain the circuit of this way.
12. Which types of coagulates in waste clearing process are used? Which purpose of these additives?
13. What is sludge? On which stage of sewage cleaning sludge is formed?
14. Which reagents for phosphorus oxidation in sewage are used? Write the equations of oxidation reactions.
15. Explain the circuit of installation of sewage treatment of phosphorus production.
16. Which firm waste products in phosphorus production are formed?
17. Where slag and ferrophosphorus are used?
Literature
1. Наркевич И.П., Печковский В.В. Утилизация и ликвидация отходов в технологии неорганических веществ. – М.: Химия, 1984.
2. Торочешников Н.С., Родионов А.И. Техника защиты окружающей среды. – М.: Химия, 1981.
3. Проскуряков В.А., Шмидт Л.И. Очистка сточных вод в химической промышленности. – М.: Химия, 1977.
4. Когановский А.А. и др. Очистка и использование сточных вод предприятий химической промышленности. – М.: Химия, 1983.
5. Страус В. Промышленная очистка газов. – М.: Химия, 1981.
6. Ужов В.Н., Вальдберг А.Ю. Подготовка промышленных газов к очистке. – М.: Химия, 1975.
7. Амелин А.Г. Технология серной кислоты. – М.:Химия, 1971.
8. Позин М.Е. Технология минеральных удобрений. – Л.: Химия, 1974.
9. Минкович М.А. Производство аммиачной селитры. – М.: Химия, 1963.
10. Голдинов А.Л., Копылов В.А. Комплексная азотно-кислотная переработка фосфатного сырья. – Л.: Химия, 1982.
11. Атрощенко В.А., Каргин С.И. Технология азотной кислоты. – М.: Химия, 1982.
12. Шокин И.Н., Крашенниников Технология соды. – М.: Химия, 1976.
13. Позин М.Е.Технология минеральных солей. Т.1,2. – Л.: Химия, 1974.
14. Технология фосфора. Под редакцией Ершова В.А., Белова В.Н. – Л.: Химия, 1974.
15. Термическая фосфорная кислота, соли и удобрения на ее основе. Под редакцией Постникова Н.Н. – М.: Химия, 1976.
16. Степановских А.С. Прикладная экология. Защита окружающей среды. – М.: Юнити-Дана, 2003.
17. Wayne R. Chemistry of Atmospheres. - Oxford University Press, 2000.
18. Chemical Water and Wastewater Treatment II. – Berlin: Springer-Verlag, 1992.
19. Air Pollution Control Equipment. – Berlin: Springer-Verlag, 1981.
20. Moore I.W., Ramamoorthy S. Heavy Metals in Natural Waters. - Berlin: Springer-Verlag, 1984.
21. Dorney R.S. The Professional Practice of Environmental Management. - Berlin: Springer-Verlag, 1989.
22. Acidic Deposition and Aquatic Ecosystems. - Berlin: Springer-Verlag, 1990.
23. James W. Moore Inorganic Contaminants of Surface Water. – Springer-Verlag New York Inc., 1991.
Марина Михайловна Ескендирова
Учебное пособие
«Экологические проблемы технологии неорганических веществ»
для студентов специальности 5В072000 – «Химическая технология неорганических веществ» всех форм обучения
Редактор Ескендирова М.М.
Подписано в печать ___________
Формат бумаги 80 х 64 1/16
Бумага типографская. Печать офсетная. Объем 5,6 п.л.
Тираж ______ экз. Заказ № ______
© Издание Южно-Казахстанского государственного университета
им. М. Ауезова
Издательский центр ЮКГУ им.М.Ауезова, г.Шымкент, пр.Тауке хана,5