UNIVERSITATEA DIN BUCURETI FACULTATEA DE CHIMIE

FIA DISCIPLINEI

1

Denumire curs: CHIMIE TEHNOLOGIC Domeniul de licenta:

CHIMIE

Specializare: CHIMIE Tip disciplin: Obligatorie Nr. credite 6,5 Anul de studiu: II Semestrul IV Ciclul: Licen (I) Timp alocat: Curs: 2 h x 14 spt = 28 h Laborator: 4 h x 14.spt = 56 h Forma verificare: Examen final 80 % Verificri pe parcurs 20 % Course name: TECHNOLOGICAL CHEMISTRY Field of study: CHEMISTRY Specialization: CHEMISTRY Course type: Compulsory ECTS 6,5 Year of study: II Semester: IV Program: Bachelor (I) Time allocated: Course 2 h x 14 weeks = 28 h Laboratory: 4 h x 14 weeks = 56 h Evaluation form Final examination 80 % Period aligned evaluation 20 %

Cuvinte cheie Proces tehnologic. Echilibru. Viteza procesului. Forta motrice. Conversie. Selectivitate. Randament. Materii prime. Concentrare. Purificare. Procedee de fabricare.

Keywords Technological process. Equilibrium. Process rate. Driving force. Conversion. Selectivity. Yield. Raw materials. Concentration. Purification. Manufacturing process.

Obiectivele Cursului Prezentarea bazelor teoretice ale proceselor tehnologice precum i a resurselor de materii prime i energie pentru industria chimic. Aplicarea cunotinelor teoretice la realizarea proceselor tehnologice. Prezentarea unor procese chimice industriale.

Course Objectives Introduction to technological processes, as well as, to raw materials and energys sources for chemical industry. Application of the theoretical knowledge for the realization of the technological processes. Chemical processes presentation in the large industry scale.

Competene acordate de absolvirea cursului Cursul d o vedere de ansamblu asupra modului de realizare a proceselor tehnologice i dezvolt deprinderea de a folosi cunotinele dobndite prin studiul disciplinelor fundamentale de chimie n vederea aplicrii lor n practic. Cursul asigur nsuirea unor cunotine tehnice de baz, a etapelor proceselor tehnologice i a modului de aciune pentru perfecionarea unui proces tehnologic; cunoaterea chimismului unor procese tehnologice; capacitatea de a realiza n laborator a unor instalaii tehnologice.

Competences derived from the passing of the course The course gives a broad image on the realization of the technological processes and improves the ability to use the knowledge accumulated by studying the fundamental chemistry subjects in order to be applied in practice. The course ensure the appropriation of some basic technical knowledge, of the steps of the technological processes and the manner of action for improving a technological process; the knowledge of the chemical action in some technological processes; the ability of realization at the laboratory scale of some technological installations.

UNIVERSITATEA DIN BUCURETI FACULTATEA DE CHIMIE

FIA DISCIPLINEI

2

Planul Tematic al cursului

Nr. curs

Tema cursului Nr. ore

1. Notiuni introductive. Date cheie in istoria tehnologiei chimice. Etapele elementare ale procesului tehnologic. Clasificarea proceselor tehnologice. Bilant de materiale. Bilant de energie.

2

2. Reactoare. Reactorul cu curgere ideala. Reactorul cu amestecare perfecta. Cascada de reactoare cu amestecare perfecta. Reactorul de tip batch.

2

3. Bazele fizico-chimice ale proceselor tehnologice. Echilibrul chimic n procese tehnologice. Calculul gradului de conversie. Echilibre in procese tehnologice reale.

2

4. Echilibrul fazelor. Legea repartitiei masice. Legea fazelor. Diagrame de faza in sisteme L-S si G-L cu doua componente nemiscibile si miscibile in orice proportie. Amestecuri azeotrope.

2

5. Viteza proceselor tehnologice. Forta motrice. Cresterea vitezei n procesele tehnologice reale. Cresterea fortei motrice. Concentrarea materiilor prime solide. Concentrarea gravimetrica. Flotatia.

2

6. Concentrarea materiilor prime lichide. Evaporarea. Distilarea si rectificarea. Concentrarea materiilor prime gazoase. Absorbtia. Adsorbtia.

2

7. Cresterea constantei de viteza a procesului. Utilizarea catalizatorilor. Cresterea interfetei de contact in sisteme heterogene.

2

8. Materii prime pentru industria chimica. Industrializarea materiilor prime naturale. Chimizarea materiilor prime industriale.

2

9. Energia in industria chimica. Combustibili. Hidrogenul materie prima si sursa de energie.

2

10. Apa. Ape potabile. Ape industriale. 2 11. Exemple de procese tehnologice. Tehnologia amoniacului. 2 12. Procese in industria clorosodica. Electroliza soluiilor apoase de clorur de

sodiu. Fabricarea acidului clorhidric. 2

13. Rafinarea petrolului. Distilarea atmosferica. Cracarea catalitica. Reformarea catalitica.

2

14. Tehnologia fibrelor optice. Tehnologia fibrelor de carbon. Materiale compozite. Tehnologia compozitelor carbon-carbon.

2

Content of the course No. of course

Topic of the course: No. of hours

1. Introduction. Key dates in the history of chemical technology. Elementary stages of a technological process. Classification of technological processes. Material and thermal balances.

2

2. Chemical reactors. Ideal plug-flow reactor. Completely mixed continuous-action reactor. Cascade of completely mixed reactors. Batch reactor.

2

3. Physicochemical background of technological processes. Chemical equilibrium in technological processes. The degree of conversion. Equilibrium in the real conditions.

2

4. Interphase equilibrium. The mass distribution law. The phase rule. Phase diagrams for L-S and G-L systems with two mutually insoluble and soluble components. Azeotropic mixtures.

2

5. Rate of technological processes. The process driving force. Methods for 2

UNIVERSITATEA DIN BUCURETI FACULTATEA DE CHIMIE

FIA DISCIPLINEI

3

increasing the real process rate. Methods for increasing the driving force. Methods for concentrating solid raw materials. Gravity concentration. Flotation.

6. Methods for concentrating liquid raw materials. Evaporation. Distillation and rectification. Gas concentration methods. Absorption. Adsorption.

2

7. Increasing the rate constant of the process. The use of catalysts. Increasing the interface between phases in heterogeneous systems.

2

8. Raw materials for chemical industry. Chemical processing of natural raw materials. Chemization of industrial raw materials.

2

9. Energy in the chemical industry. Fuels. Hydrogen as raw material and energy source.

2

10. Water. Drinking water. Industrial water. 2 11. Selected technological processes. Ammonia synthesis. 2 12. Processes in chlorosodic industry. Electrolysis of aqueous solutions of

sodium chloride. Manufacture of hydrochloric acid. 2

13. Oil refining. Atmospheric distillation. Catalytic cracking. Catalytic reforming. 2 14. Optical fiber technology. Carbon fiber technology. Composite materials.

Carbon-carbon composite technology. 2

Metoda de predare a cursului Conferin i discuii.

Teaching Methods Conference and discussions.

Prezena i pregtirea pentru cursuri Prezena la cursuri este o condiie esenial a bunei desfurri a ntregii activiti educaionale. Participarea studenilor este necesar ntruct o audiere direct i ajut la o mai bun nelegere a noiunilor predate, la folosirea unui vocabular adecvat, le creaz posibilitatea ntreinerii unui dialog interactiv precum i a unei integrri n disciplina universitar.

Lecture Preparation and Attendance The course attendance is a necessary condition of a good evolution of whole training process. The students attendance is necessary as a direct hearing helps to understand better the topics, to use an adequate vocabulary as well as creating the possibility of keeping an interactive dialogue and of integrating in academic discipline.

Asisten n pregtirea examenelor Pentru o bun nelegere a materiei predate i pentru o implicare n nvarea treptat a acestei materii, studenilor li se acorda consultaii de ctre cadrele didactice care efectueaz orele.

Study Coaching For a better understanding of topics and for an involvement in graduated study of this discipline, the students can participate in tutorials given by academic staff responsible of this course.

UNIVERSITATEA DIN BUCURETI FACULTATEA DE CHIMIE

FIA DISCIPLINEI

4

Coninutul Activitii aplicative Nr. lab.

Tema laboratorului / seminarului Nr. ore

1. Noiuni de protecie a muncii n laborator. Uniti de msur i transformri ntre diverse sisteme de uniti de msur. Calcule de indicatori de eficien pentru procese chimice.

4

2. Curgerea fluidelor: ecuaia lui Bernoulli, regim de curgere, msurarea debitelor, debitmetre.

4

3. Distilarea fracionat. Calculul numrului de uniti de transfer. 4 4. Extracia lichid-solid. Extracia uleiurilor din semine oleaginoase. 4 5. Extracia lichid-lichid. Defenolarea apelor reziduale. 4 6. Dedurizarea apelor prin metode chimice si cu schimbatori de ioni. 4 7. Obinerea acidului fosforic. 4 8. Obinerea bicarbonatului de sodiu prin procedeul amoniacal. 4 9. Obinerea hidroxidului de sodiu. 4 10. Dehidrogenarea catalitic a alcoolilor. 4 11. Oxidarea metanolului la formaldehid. 4 12. Procesul de esterificare. Calculul echilibrului. 4 13. Obinerea carbonatului acid de potasiu. 4 14. Aplicaii de calcul