可选地，可以在载体与硫酸化剂接触之后且载体与有机铬化合物接触之前煅烧载体。
Alternatively, the carrier can be calcined after contacting the carrier with the sulfating agent and before contacting the carrier with an organic chromium compound.
介绍了皮革工业废水中所含污染物质铬、 硫化物、 悬浮物和有机化合物、无机盐等的各种去除方法。
Various methods for removing contaminants, such as chromium, sulfide, suspension, organic compounds and inorganic salts, from waste water in the leather industry are introduced.
根据络合剂的络合常数，以单糖化合物为配位体合成出一种用于深部调驱用弱凝胶有机铬交联剂。
An organic chrome crosslinking agent of weak gel for deep profile control has been synthesized by using a monose compound as ligand based on its complexing constant of the complexing agent.
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