Results 81 to 90 of about 1,099 (189)

Design and analysis of waste heat recovery heat exchanger from external kiln shell in cement plant

open access: yesInternational Journal of Thermofluids
The rotary kiln's surface loses heat to the environment through radiation and convective modes, releasing usable thermal energy. This study focuses on examining and analyzing a cement plant's waste heat recovery heat exchanger from the external kiln ...
Boki Tamiru Tola, Lalisa Fikadu Wako
doaj   +1 more source

On Ring Weir of Rotary Kiln

open access: yesChemical engineering, 1955
ロータリー・キルンなどにおいて,しばしばリング堰を附することがあるが,これが内部を通過する材料の保有率Xや,滞留時間τにいかなる影響があるか,あまり研究されていない.ここにおいてはキルンの回転に伴う材料の進行について,一つの仮定を設け,その仮定により各点の材料の進行速度はで表わされることを導出し,リング堰の高さによって,各点の保有率や,滞留時間がいかに変化するかを考究した.
openaire   +1 more source

Biomass gasification in rotary kiln integrated with a producer gas thermal cleaning unit: An experimental investigation

open access: yesResults in Engineering
In this work, gasification of hazelnut shells grains is carried out in a bench-scale rotary kiln by using air as gasifying agent at 800 °C. The producer gas is directly treated in a thermal cleaning unit operating at 800–1100 °C with the aim to reduce ...
Cesare Freda   +3 more
doaj   +1 more source

Lab- and pilot-scale biochar production from cotton gin waste

open access: yesCleaner Engineering and Technology
As much as 2.32 × 106 metric tons of cotton gin waste (CGW) is generated in the U.S. annually. Technologies for utilization of CGW, including improved nutrient cycling via conversion to biochar, are of high interest to the agroindustry seeking answers ...
David Takal   +7 more
doaj   +1 more source

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