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1. Exergoeconomic analysis of a solar assisted tea drying system

Author:
Ozturk, Merve; Dincer, Ibrahim
Source:
Drying technology 2020 v.38 no.5-6 pp. 655-662
ISSN:
1532-2300
Subject:
drying,   etc   ; capital; exergy; tea;     Show all 4 Subjects
Abstract:
... In this study, an integrated system which consists of a batch type tea dryer and a PV/T unit is developed and analyzed through the exergoeconomic approach. The EXCEM method based on mass, energy, exergy, and cost balances is performed to find out the exergoeconomic performance of the drying system. The parametric studies are used to see the effect of changing properties utilized in the system on p ...
DOI:
10.1080/07373937.2019.1669044

2. The role of convection in electrohydrodynamic drying

Author:
Martynenko, Alex; Astatkie, Tess; Defraeye, Thijs
Source:
Journal of food engineering 2020 v.271 pp. 109777
ISSN:
0260-8774
Subject:
drying,   etc   ; air flow; convection;     Show all 3 Subjects
Abstract:
... Electrohydrodynamic (EHD) drying is a promising way to dehydrate food and other materials. The driving forces of the moisture removal from the product are, however, not yet completely understood. Therefore, a unique experimental setup with a grounded metal mesh collector was designed to separately evaluate the electrical and convective effects of EHD on the drying rate. EHD drying showed significa ...
DOI:
10.1016/j.jfoodeng.2019.109777

3. Drying behavior of sludge with drying accelerator

Author:
Kobayashi, Nobusuke; Okada, Kazuki; Tachibana, Yuma; Kamiya, Kenji; Ito, Takumi; Ooki, Hironari; Zhang, Baiqiang; Suami, Akira; Itaya, Yoshinori
Source:
Drying technology 2020 v.38 no.1-2 pp. 38-47
ISSN:
1532-2300
Subject:
drying; drying temperature,   etc   ; glass transition temperature; sludge; water content;     Show all 5 Subjects
Abstract:
... For fuelization of high moisture content sludge, efficient sludge drying technique using a drying accelerator was investigated. In the experiment, drying accelerator types and drying conditions were changed and the effect of accelerator type and/or drying condition on sludge drying behavior was evaluated by analyzing drying characteristic curve. Depending on drying accelerator type, the addition o ...
DOI:
10.1080/07373937.2019.1605611

4. Intelligent systems for design of drying processes

Author:
Menshutina, Natalya V.; Goncharova-Alves, Svetlana V.; Matasov, Alexey V.
Source:
Drying technology 2020 v.38 no.1-2 pp. 147-157
ISSN:
1532-2300
Subject:
drying; drying equipment,   etc   ; artificial intelligence; databases; information systems; Russia;     Show all 6 Subjects
Abstract:
... This paper describes the developments of Dmitry Mendeleev University of Chemical Technology of Russia (MUCTR) in the field of digital technologies for drying processes. The first is the database system BANID. The purpose of this system is to integrate and store information in the field of drying technologies and processes. BANID is a tool to search and select the necessary information and it can b ...
DOI:
10.1080/07373937.2019.1632344

5. Determination of high-temperature and low-humidity treatment time for larch boxed-heart timber

Author:
Kang, Chun-Won; Li, Chengyuan; Sun, Yao-Xing
Source:
Journal of wood science 2020 v.66 no.1 pp. 22
ISSN:
1435-0211
Subject:
drying,   etc   ; Larix; dry-bulb temperature;     Show all 3 Subjects
Abstract:
... The larch boxed-heart timbers with a cross section of 100 × 100 mm were dried after steamed at 100 °C dry-bulb temperature and 0 °C wet-bulb depression for 5 h, and then dried at 120 °C dry-bulb temperature and 30 °C wet-bulb depression for 8, 12 and 16 h, respectively, in order to determine optimal treatment time for the timber. This study indicated that the pretreatment of 12 and 16 h prevented ...
DOI:
10.1186/s10086-020-01867-2

6. Spectral and thermal analysis of Eucalyptus wood drying at different temperature and methods

Author:
Shen, YuanHua; Gao, ZhenZhong; Hou, XianFeng; Chen, ZhiYong; Jiang, JianYi; Sun, Jin
Source:
Drying technology 2020 v.38 no.3 pp. 313-320
ISSN:
1532-2300
Subject:
drying temperature; freeze drying; wood drying,   etc   ; Eucalyptus; chemical composition; crystal structure; physicochemical properties; shrinkage; thermogravimetry; wood;     Show all 10 Subjects
Abstract:
... In order to better understand the chemical changes after wood drying, Eucalyptus wood was dried to an absolutely dry state following the five types of treatment: oven-dried at 60, 90, 120, and 150 °C, and vacuum freeze-dried. The tangential shrinkage rate () of oven-dried specimens was increased from 7.63 to 9.90% as treatment temperature was increased, and theof the specimen submitted to vacuum f ...
DOI:
10.1080/07373937.2019.1566742

7. Self-tuning control of continuous fluidized bed drying of baker’s yeast pellets

Author:
Dürr, Robert; Seidel, Carsten; Neugebauer, Christoph; Bück, Andreas
Source:
Drying technology 2020 v.38 no.5-6 pp. 646-654
ISSN:
1532-2300
Subject:
drying,   etc   ; bakers yeast; fluidized beds; pellets; uncertainty;     Show all 5 Subjects
Abstract:
... Uncertainty in the kinetics of the second drying period represents the major challenge in continuous drying of particulate solids which can be overcome by adaptive feedback control. In this contribution, self-tuning control comprising online-state estimation and adaptive PI-control is considered to guarantee desired product moisture. Advantages of the approach over conventional PI-control are disc ...
DOI:
10.1080/07373937.2019.1662800

8. Packing structures of colloidal silica particles formed by drying condensed suspensions

Author:
Miyazaki, Hayato; Abe, Kohei; Inasawa, Susumu
Source:
Drying technology 2020 v.38 no.3 pp. 385-394
ISSN:
1532-2300
Subject:
drying,   etc   ; colloids; color; light microscopy; silica;     Show all 5 Subjects
Abstract:
... We investigated the packing structures of silica particles formed by drying colloidal suspensions with various particle volume fractions. We observed many packing domains with different orientations in a film formed from drying a 10 vol% suspension. These domains showed birefringence and were observed as different color domains in optical microscopy images. The size of the packing domains decrease ...
DOI:
10.1080/07373937.2019.1574813

9. Drying kinetics and quality characteristics of green apple peel (Mallus communis L. var. “Granny Smith”) used in herbal tea production

Author:
Alibas, Ilknur; Zia, Mahrukh Parveez; Yilmaz, Aslihan; Asik, Baris Bulent
Source:
Journal of food processing and preservation 2020 v.44 no.2 pp. e14332
ISSN:
0145-8892
Subject:
drying quality; microwave drying; solar drying,   etc   ; apple peels; chlorophyll; color; crop production; flavor; food safety; herbal tea; industry; nutrient requirements; nutrients; odors; thin-layer drying; water content;     Show all 16 Subjects
Abstract:
... Green apple peels, (25.06 ± 0.06 g) with the moisture content of 3.05 ± 0.02 [kg (moisture) kg–¹ (dry matter)], were dried using two dehydration methods, microwave, and natural drying until moisture content of apple peels was reduced to 0.092 ± 0.001 [kg (moisture) kg–¹ (dry matter)]. Microwave drying periods at 1,000, 800, 600, and 400 W lasted for 17, 21, 27, and 33 min, respectively; whereas, n ...
DOI:
10.1111/jfpp.14332

10. Extension of the COSMO-UNIFAC Thermodynamic Model

Author:
Zhu, Ruisong; Taheri, Mohsen; Zhang, Jie; Lei, Zhigang
Source:
Industrial & engineering chemistry process design and development 2020 v.59 no.4 pp. 1693-1701
ISSN:
1520-5045
Subject:
drying,   etc   ; ionic liquids; moieties; prediction; thermodynamic models;     Show all 5 Subjects
Abstract:
... In this work, a priori COSMO-SAC model was combined with the original UNIFAC model, and thus the new COSMO-SAC-UNIFAC thermodynamic model with a strong predictive power for fluid phase equilibrium (VLE, LLE) was proposed. By this means the group binary parameter matrix of original UNIFAC model was extended by introducing the new 648 vacant parameter pairs for 51 main functional groups for the conv ...
DOI:
10.1021/acs.iecr.9b05963

11. Drying droplet as a template for solid formation: A review

Author:
de Souza Lima, R.; Ré, M.-I.; Arlabosse, P.
Source:
Powder technology 2020 v.359 pp. 161-171
ISSN:
0032-5910
Subject:
spray drying,   etc   ; droplets; liquids; models; powders;     Show all 5 Subjects
Abstract:
... Multi-component liquid droplets are useful systems to design particles with engineered solid structures by spray drying. However, the use of such process still presents some scientific challenges, such as the development of a model to precisely describe the final particle structure from the initial drying conditions and liquid formulation.This review brings together experimental and modeling studi ...
DOI:
10.1016/j.powtec.2019.09.052

12. Improvement in physicochemical properties of collagen casings by glutaraldehyde cross-linking and drying temperature regulating

Author:
Chen, Chi; Liu, Fei; Yu, Zhe; Ma, Yun; Goff, H. Douglas; Zhong, Fang
Source:
Food chemistry 2020 v.318 pp. 126404
ISSN:
0308-8146
Subject:
drying; drying temperature,   etc   ; boiling; chemical composition; collagen; crosslinking; glutaraldehyde; heat; mechanical properties; shrinkage; thermal stability;     Show all 11 Subjects
Abstract:
... The physicochemical properties of collagen casings were successfully improved by glutaraldehyde (GA) cross-linking, where the properties could be further regulated by drying temperature. Transverse direction (TD) showed a lower heat shrinkage rate than that in machine direction (MD). GA cross-linking significantly improved the mechanical properties of films under wet and boiled state. The mechanic ...
DOI:
10.1016/j.foodchem.2020.126404

13. Stress simulation and cracking prediction of corn kernels during hot-air drying

Author:
Wei, Shuo; Xiao, Bo; Xie, Weijun; Wang, Fenghe; Chen, Pengxiao; Yang, Deyong
Source:
Food and bioproducts processing 2020 v.121 pp. 202-212
ISSN:
0960-3085
Subject:
air drying; drying temperature,   etc   ; Zea mays; corn; cracking; endosperm; model food systems; prediction; relative humidity;     Show all 9 Subjects
Abstract:
... A moisture-heat transfer and stress model of corn kernels based on multi-component heterogeneity was developed and verified to predict the stress cracking during hot-air drying. Simulated results showed that the moisture gradient and von Mises stress of each corn component simulated by the verified model increased first and then decreased, where the von Mises stress in the outer layer of corn kern ...
DOI:
10.1016/j.fbp.2020.01.007

14. Establishment of a hybrid drying strategy for instant cream mushroom soup based on starch retrogradation behavior

Author:
Liu, Wenchao; Zhang, Min; Devahastin, Sakamon; Wang, Weiqin
Source:
International journal of biological macromolecules 2020 v.147 pp. 463-472
ISSN:
0141-8130
Subject:
freeze drying; microwave drying,   etc   ; cream; monitoring; mushrooms; rehydration; retrogradation; shrinkage; soups; starch; viscosity;     Show all 11 Subjects
Abstract:
... Starch retrogradation during freeze drying is a contributor to an undesirable decrease in the viscosity of soup prepared from instant soup with high starch content. Monitoring starch retrogradation during drying is therefore of importance if such a process is to be optimized. Here, cream mushroom soup was used as an example of high-starch instant soup. Drying and quality characteristics of the sou ...
DOI:
10.1016/j.ijbiomac.2020.01.084

15. Effects of drying temperature of red popcorn grains on the morphology, technological, and digestibility properties of starch

Author:
Ziegler, Valmor; Timm, Newiton da Silva; Ferreira, Cristiano Dietrich; Goebel, Jorge Tiago; Pohndorf, Ricardo Scherer; Oliveira, Maurício de
Source:
International journal of biological macromolecules 2020 v.145 pp. 568-574
ISSN:
0141-8130
Subject:
drying; drying temperature,   etc   ; digestibility; enthalpy; gelatinization; pasting properties; popcorn; starch granules;     Show all 8 Subjects
Abstract:
... Popcorn consumption is becoming increasingly attractive, and the effects of post-harvest operations are essential for the improvement of industrial processes. In this context, the objective of this study was to evaluate the effects of drying temperature on the morphology, technological, and digestibility properties from the isolated starch from red popcorn grains. Red popcorn grains were dried in ...
DOI:
10.1016/j.ijbiomac.2019.12.198

16. Inert particles as process aid in spray-freeze drying

Author:
Zhang, Fan; Ma, Xiaoyu; Wu, Xiusheng; Xu, Qing; Tian, Wei; Li, Zhanyong
Source:
Drying technology 2020 v.38 no.1-2 pp. 71-79
ISSN:
1532-2300
Subject:
drying equipment; freeze drying,   etc   ; dried milk; drugs; microstructure; stainless steel; whole milk;     Show all 7 Subjects
Abstract:
... Spray-freeze drying (SFD) is a novel and advanced drying technology in the production of high-value foods and pharmaceuticals. However, long drying time is still a disadvantage for the SFD applications. This constraint could be alleviated using inert particles. This article provides the experimental results on SFD of whole milk in an integrated spray-freeze and vacuum freeze drying equipment. The ...
DOI:
10.1080/07373937.2019.1623246

17. Ultrasound-assisted drying of orange peel in atmospheric freeze-dryer and convective dryer operated at moderate temperature

Author:
Mello, Ronaldo E.; Fontana, Alessia; Mulet, Antonio; Correa, Jefferson Luiz, G.; Cárcel, Juan A.
Source:
Drying technology 2020 v.38 no.1-2 pp. 259-267
ISSN:
1532-2300
Subject:
drying temperature; freeze drying,   etc   ; alcohols; orange peels; swelling (materials); ultrasonic treatment; ultrasonics; water holding capacity;     Show all 8 Subjects
Abstract:
... Atmospheric freeze-drying (AFD) at −10 °C and moderate temperature convective drying (MTD) at 50 °C without and with ultrasound application (20.5 kW/m³) were carried out. Alcohol insoluble residue (AIR) and its swelling capacity (SC), water retention capacity (WRC) and fat retention capacity (FRC) were measured in the dried product. Ultrasound significantly shortened the drying time in both proces ...
DOI:
10.1080/07373937.2019.1645685

18. A comparative evaluation of nutritional properties, antioxidant capacity and physical characteristics of cabbage (Brassica oleracea var. Capitate var L.) subjected to different drying methods

Author:
Xu, Yayuan; Xiao, Yadong; Lagnika, Camel; Li, Dajing; Liu, Chunquan; Jiang, Ning; Song, Jiangfeng; Zhang, Min
Source:
Food chemistry 2020 v.309 pp. 124935
ISSN:
0308-8146
Subject:
air drying; freeze drying; vacuum drying,   etc   ; Brassica oleracea; antioxidant activity; cabbage; dried vegetables; energy; hardness; microstructure; nutrient content; nutritive value; raw materials; rehydration; texture;     Show all 15 Subjects
Abstract:
... Cabbag has been considered as one of attractive raw materials for dehydrated vegetables owing to high nutrient value. However, information about how drying methods affect the physicochemical properties of cabbage is limited. In present study, segmented cabbages were subjected to freeze drying (FD), hot air drying (HAD), microwave vacuum drying (MVD), vacuum drying (VD), MVD combined with HAD (MVD  ...
DOI:
10.1016/j.foodchem.2019.06.002

19. Effects of different drying methods on appearance, microstructure, bioactive compounds and aroma compounds of saffron (Crocus sativus L.)

Author:
Chen, Dandan; Xing, Bingcong; Yi, Haojun; Li, Yanjing; Zheng, Bingsong; Wang, Ying; Shao, Qingsong
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2020 v.120 pp. 108913
ISSN:
0023-6438
Subject:
freeze drying; microwave drying; vacuum drying,   etc   ; Crocus sativus; bioactive compounds; cell structures; color; energy; microstructure; odor compounds; odors; ovens; pollen; saffron;     Show all 14 Subjects
Abstract:
... In our study, saffron stigmas were subjected to vacuum drying (VD), microwave drying (MD), oven drying (OD), infrared drying (ID) and freeze drying (FD), respectively. Quality attributed of the dried samples were compared in terms of appearance color, microstructure, bioactive compounds and aroma compounds. Results showed that FD, ID and MD were the better drying methods to preserve bioactive or a ...
DOI:
10.1016/j.lwt.2019.108913

20. Optimization of microwave vacuum drying of okra and the study of the product quality

Author:
Xu, Guobin; Yin, Hao; He, Xin; Wang, Danfeng; Zhao, Yanyun; Yue, Jin
Source:
Journal of food process engineering 2020 v.43 no.2 pp. e13337
ISSN:
0145-8876
Subject:
air drying; freeze drying; vacuum drying,   etc   ; bioactive compounds; color; energy; energy conservation; flavonoids; flavor; freezing; fruits; industry; nutrients; okra; phenols; refrigeration; rehydration; temperature;     Show all 18 Subjects
Abstract:
... Microwave vacuum drying (MVD) was reported to be an efficient method to dehydrate vegetables. In this study, fresh okra was dehydrated by this technique. Orthogonal design was used to optimize the drying parameters (microwave power, vacuum level, and loading density) to achieve high drying rate and product quality. Microwave power (500, 700, and 900 W), vacuum level (45, 60, and 75 kPa) and loadin ...
DOI:
10.1111/jfpe.13337