负催化剂也叫做缓化剂或抑制剂并不是所有的催化剂都加快化学反应速率。其中使化学反应减慢的催化剂，叫做负催化剂。负催化剂的原理是升高反应所需的活化能。催化剂不能改变热力学平衡，只能影响反应过程达到平衡的速度。
分析和研究了利用负催化剂钝化焦炭气化反应的机理。
The mechanism of utilizing negative activators to passivate gasification reaction of coke is analyzed.
继而提出采用负催化剂和化学沉积气相技术抑制溶损反应，降低焦炭反应性，提高反应后强度的有效新途径。
The further study is finding new approaches aimed to improve coke thermal properties of existing metallurgical cokes and upgrade low-grade by enhancing its resistance to oxidation with CC>2.
提出了一种改善焦炭热性质的方法——在配煤中添加负催化剂，着重研究了负催化剂改善焦炭热性质的机理，并探讨了工业化实施的途径。
The method of improving coke thermal properties by negative catalyst addition were examined. The mechanism of coke thermal properties improvement and industrial approaches were investigated.
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