scholarly journals Utilization of Spent Coffee Grounds for Compost Production

2019 ◽  
Vol 8 (9S3) ◽  
pp. 908-910
Keyword(s):  
Side Effects ◽  
Moisture Content ◽  
Focal Point ◽  
Test System ◽  
Wood Chips ◽  
Spent Coffee Grounds ◽  
Fecal Matter ◽  
Saw Dust ◽  
Coffee Grounds

Espresso is one of the most basic agrarian things earth. The three principle trademark highlights of espresso are sharpness, smell and taste Precisely when espresso is evacuated in water, the vast majority of the hydrophobic mixes, including oils, lipids, triglycerides, and unsaturated fats stay in the grounds, as do insoluble starches ike cellulose and unmistakable unpalatable sugars. Setting up the soil with espresso waste is an incomprehensible strategy to utilize something that would by way or another wind up expendingroom in a landfillL Treating the sol espresso beans adds nitrogen to the fecal matter store. The Main focal point of the examination is to use the accomplished espresso powder with sol to make it continuously rich and to consider the test system of experienced espresso powder with different side effects like, saw dust, wood chips, soil, and so forth. The different parameters, for example, pH, temperature, Moisture content, CN degree, Phosphate, Sodium and Pottasium apparently studied manure

scholarly journals Large-Scale Handling and Use of Solid Biofuels

1998 ◽  
Author(s):  
Erik Ravn Schmidt ◽  
Jens Christian Clausen ◽  
Fritz Luxhøi
Keyword(s):  
Large Scale ◽  
Focal Point ◽  
Test System ◽  
Working Environment ◽  
Wood Chips ◽  
Corrosion Monitoring ◽  
Potential Health ◽  
Solid Biofuels ◽  
Dead End ◽  
Monitoring Test

Utilising biomass in the CHP production is not without difficulties: the chemical and physical characteristics of the biofuels; corrosion, slagging and fouling; and working environment. An in-situ high-temperature corrosion monitoring test system was successfully developed. Furthermore, activities have been launched to develop a straw pre-processing method separating the aggressive substances from straw. As a result of the gasification projects (straw, coal-straw, wood chips) it was concluded that it is possible to gasify straw — probably for 100% straw and definitely for 50/50 blends, although with some difficulties — and for wood chips deposit formation was a major obstacle. Further R&D is definitely needed, but with the limited international interest the gasification technology seems to have reached a dead end in Denmark. Another focal point is the working environment, where care must be taken to limit any potential health hazards resulting from the handling of long-term stored biofuels.

scholarly journals Coffee and Yeasts: From Flavor to Biotechnology

Fermentation ◽  
2021 ◽  
Vol 7 (1) ◽  
pp. 9
Author(s):  
Lavinia Liliana Ruta ◽  
Ileana Cornelia Farcasanu
Keyword(s):  
Side Effects ◽  
Chemical Production ◽  
Spent Coffee Grounds ◽  
Coffee Production ◽  
Yeast Strains ◽  
Coffee Grounds ◽  
The World ◽  
Sensorial Quality

Coffee is one of the most consumed beverages in the world, and its popularity has prompted the necessity to constantly increase the variety and improve the characteristics of coffee as a general commodity. The popularity of coffee as a staple drink has also brought undesired side effects, since coffee production, processing and consumption are all accompanied by impressive quantities of coffee-related wastes which can be a threat to the environment. In this review, we integrated the main studies on fermentative yeasts used in coffee-related industries with emphasis on two different directions: (1) the role of yeast strains in the postharvest processing of coffee, the possibilities to use them as starting cultures for controlled fermentation and their impact on the sensorial quality of processed coffee, and (2) the potential to use yeasts to capitalize on coffee wastes—especially spent coffee grounds—in the form of eco-friendly biomass, biofuel or fine chemical production.

Effect of moisture content on oil extraction from spent coffee grounds

2018 ◽  
Vol 40 (5) ◽  
pp. 501-509 ◽  
Author(s):  
Nomfundo Mabona ◽  
Wale Aboyade ◽  
Mansoor Mollagee ◽  
Liberty L. Mguni
Keyword(s):  
Moisture Content ◽  
Oil Extraction ◽  
Spent Coffee Grounds ◽  
Coffee Grounds ◽  
Effect Of Moisture

Pre-clinical evaluation of a virtual reality neuropsychological test system: Occurence of side effects

2000 ◽  
Author(s):  
Tibor I. Kesztyues ◽  
M. Mehlitz ◽  
E. Schilken ◽  
G. Weniger ◽  
S. Wolf ◽  
...  
Keyword(s):  
Virtual Reality ◽  
Side Effects ◽  
Clinical Evaluation ◽  
Neuropsychological Test ◽  
Test System

scholarly journals Wood Chip Drying through the Using of a Mobile Rotary Dryer

Energies ◽  
2019 ◽  
Vol 12 (9) ◽  
pp. 1590 ◽  
Author(s):  
Angelo Del Giudice ◽  
Andrea Acampora ◽  
Enrico Santangelo ◽  
Luigi Pari ◽  
Simone Bergonzoli ◽  
...  
Keyword(s):  
Moisture Content ◽  
Power Plants ◽  
Black Locust ◽  
Thermal Power ◽  
Initial Moisture Content ◽  
Wood Chip ◽  
Wood Chips ◽  
Cocurrent Flow ◽  
Drying Process ◽  
Rotary Dryer

Drying is a critical point for the exploitation of biomass for energy production. High moisture content negatively affects the efficiency of power generation in combustion and gasification systems. Different types of dryers are available however; it is known that rotary dryers have low cost of maintenance and consume 15% and 30% less in terms of specific energy. The study analyzed the drying process of woody residues using a new prototype of mobile rotary dryer cocurrent flow. Woodchip of poplar (Populus spp.), black locust (Robinia pseudoacacia L.), and grapevine (Vitis vinifera L.) pruning were dried in a rotary drier. The drying cycle lasted 8 h for poplar, 6 h for black locust, and 6 h for pruning of grapevine. The initial biomass had a moisture content of around 50% for the poplar and around 30% for grapevine and black locust. The study showed that some characteristics of the biomass (e.g., initial moisture content, particle size distribution, bulk density) influence the technical parameters (i.e., airflow temperature, rate, and speed) of the drying process and, hence, the energy demand. At the end of the drying process, 17% of water was removed for poplar wood chips and 31% for grapevine and black locust wood chips. To achieve this, result the three-biomass required 1.61 (poplar), 0.86 (grapevine), and 1.12 MJ kgdry solids−1 (black locust), with an efficiency of thermal drying (η) respectively of 37%, 12%, and 27%. In the future, the results obtained suggest an increase in the efficiency of the thermal insulation of the mobile dryer, and the application of the mobile dryer in a small farm, for the recovery of exhaust gases from thermal power plants.

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