The composting process

2022 ◽  
pp. 51-101
Author(s):  
Cary Oshins ◽  
Frederick Michel ◽  
Pierce Louis ◽  
Tom L. Richard ◽  
Robert Rynk
Keyword(s):  
Composting Process

Numerical Modeling of a Composting Process with Aeration

2009 ◽  
Vol 12 (10) ◽  
pp. 927-938 ◽  
Author(s):  
Fujio Kuwahara ◽  
Yoshihiko Sano ◽  
Akira Nakayama ◽  
Kiyohiko Nakasaki ◽  
Tatsunori Fukazawa
Keyword(s):  
Numerical Modeling ◽  
Composting Process

scholarly journals Assessment of content and chemical forms of arsenic, copper, lead, and chromium in sewage sludge compost as affected by various bulking agents

2020 ◽  
Vol 43 (1) ◽  
pp. 56-66
Author(s):  
Mahboub Saffari ◽  
Vahid Reza Saffari ◽  
Hojatollah Khabazzadeh ◽  
Hormazd Naghavi
Keyword(s):  
Sewage Sludge ◽  
Total Concentration ◽  
Bulking Agents ◽  
Chemical Forms ◽  
Organic Fraction ◽  
Specific Kind ◽  
Composting Process ◽  
Mobility Factor ◽  
Arsenic Copper ◽  
Different Levels

AbstractIn current study, the effect of various organic substances as bulking agents (BAs) including wheat straw, pistachio hull wastes, and tree leaves at different levels (10, 25, 45% v/v) were investigated on total concentration and chemical forms of Cu, Pb, Cr, and As in sewage sludge (SS) compost prepared by windrow method. According to the results, the composting process (with/without BAs), due to losses of SS mass and volume, increased the total concentration of heavy metals (HMs) compared to the un-composted SS sample (RSS). Evaluation of HMs chemical forms in prepared compost sample without BAs application (CSS) showed that the composting process reduced the mobility factor of As (from 28% to 20%), Pb (from 11.6% to 9.3%), and Cr (from 14.5% to 9.2%) compared to the RSS. Application of three BAs considerably decreased the mobility factor of As (17.5-18.8%), Pb (4.8-7.9%), and Cr (1.4-6.8%) compared to CSS and RSS. Changes of Cu mobility in prepared compost samples showed an unclear trend, however in some treatments, due to transferred organic fraction into exchangeable and carbonate fractions, increasing of this factor was obvious. Generally, the composting appeared to reduce As, Pb, and Cr availability by stabilizing the three metals and making them more stable and less mobile. In addition, the BAs application effect on HMs behavior of SS compost samples were so different and no specific kind of BAs can be recommended as a superior BAs in SS composting process.

scholarly journals Dataset of cow manure by earthworm bio-composting process

Data in Brief ◽  
2021 ◽  
pp. 106966
Author(s):  
Shuai Luo ◽  
Ruizhi Wei ◽  
Zicheng Qi ◽  
Qichao Zhang ◽  
Kaifen Wang
Keyword(s):  
Cow Manure ◽  
Composting Process

Evaluation of the aerobic composting process of winery and distillery residues by thermal methods

2007 ◽  
Vol 454 (2) ◽  
pp. 135-143 ◽  
Author(s):  
F.C. Marhuenda-Egea ◽  
E. Martínez-Sabater ◽  
J. Jordá ◽  
A. Sánchez-Sánchez ◽  
R. Moral ◽  
...  
Keyword(s):  
Aerobic Composting ◽  
Thermal Methods ◽  
Composting Process

scholarly journals COMPOSTING PROCESS MODEL CONSIDERING BOTH VENTILATION BY CHANGING GAS COMPOSITION AND MOISTURE TRANSFER BY WATER POTENTIAL

2012 ◽  
Vol 77 (673) ◽  
pp. 213-221 ◽  
Author(s):  
Toshihiro HIRAISHI ◽  
Kazunobu SAGARA ◽  
Toshio YAMANAKA ◽  
Hisashi KOUTANI ◽  
Yoshihisa MOMOI
Keyword(s):  
Water Potential ◽  
Process Model ◽  
Moisture Transfer ◽  
Gas Composition ◽  
Composting Process
Sign in / Sign up

Export Citation Format

Share Document