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On June 4, the "biomass water catalytic conversion mechanism and biohydrocarbon fuel preparation technology" completed by the Guangzhou Institute of Energy Research, Chinese Academy of Sciences were identified in Guangzhou by scientific and technological achievements. The Scientific and Technological Achievement Appraisal Meeting was chaired by Liu Minyi, Director of the Science and Technology Cooperation Division of the Guangzhou Branch of the Chinese Academy of Sciences. The appraisal committee consisted of 7 experts from universities and research institutes across the country. Mr. Tan Tianwei, President of Beijing University of Chemical Technology, served as Director of the Appraisal Committee and Dean of the School of Energy Engineering of Zhejiang University. Luo Zhonglu and Dean of the Guangdong Provincial Academy of Sciences Liao Bing served as deputy directors. Director of the Department of Science and Technology Service and Management of Guangdong Science and Technology Department Wang Yawen, Director of Guangzhou Energy Institute Ma Longlong, Deputy Director Li Xiaosen, Director of Science and Technology Department Sun Yongming and research and development staff attended the meeting.
This achievement proposes a dynamic liquid membrane effect mechanism that enhances the synergetic and complex multiphase flow and reaction of biomass hydrothermal depolymerization, constructs a hydrothermal multiphase depolymerization system and a steam steam stripping-acid salt depolymerization system, and develops a high The hydrothermally-stabilized high-efficiency catalytic system for hydrothermal conversion of biomass has proposed the “coordinated reaction and spatial restraint effect†formed by regular pore structure and catalytically active sites to control the conversion pathways, filling the domestic gap. A new mechanism of carbon-reinforced isomerization based on the self-condensation and cross-condensation of furan platform compounds was proposed. Invented new technologies for carbon-enhanced and aqueous aromatization of biomass to hydrocarbon fuels. The biotransformation of hemicellulose and cellulose in biomass to synthesize biological aviation fuel is realized. The world's first straw and other bio-mass water phase catalytic synthesis of bio-gasoline and pilot fuel 100-ton pilot plant has been completed, and the oil quality has reached the international standard ASTM7566. Proposed the "decentralized degradation intermediates - concentrated hydrogenation oil production" of the large-scale production model.
Experts attending the meeting carefully listened to Ma Longlong’s work summary report of project outcomes, reviewed relevant documents and technical materials for achievement appraisal, watched the pilot product and pilot live demonstration videos, and conducted thorough inquiry and discussion. The technology has reached the international advanced level, and it is the international leader in the catalytic conversion of biomass into water for biological aviation. It has unanimously agreed to pass the appraisal.
A captive bolt pistol (also variously known as a cattle gun, stunbolt gun, bolt gun, or stunner) is a device used for stunning animals prior to slaughter.
The principle behind captive bolt stunning is a forceful strike on the forehead using a bolt to induce unconsciousness. The bolt may or may not destroy part of the brain.
The bolt consists of a heavy rod made of non-rusting alloys, such as stainless steel. It is held in position inside the barrel of the stunner by means of rubber washers. The bolt is usually not visible in a stunner in good condition. The bolt is actuated by a trigger pull and is propelled forward by compressed air or by the discharge of a blank round ignited by a firing pin. After striking a shallow but forceful blow on the forehead of the animal, spring tension causes the bolt to recoil back into the barrel.
The captive bolt pistols are of three types: penetrating, non-penetrating, and free bolt. The use of penetrating captive bolts has, largely, been discontinued in commercial situations in order to minimize the risk of transmission of disease.
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