To keep pace with the rapid development of enzyme industry, it is imperative to set OELs for enzyme-containing dust and industrial enzyme. 我国已步入工业酶生产大国的行列，产量大，职业接触人群多，急需制定相应职业接触限值来保护工人健康，促进酶制剂工业的发展。
If nonionic surfactant is used along with the neutral enzyme,the neutral deinking process,which was believed can reduce environmental pollution,can be realized. 如果非离子表面活性剂和酶制剂同时使用，效果更佳，可以实现在中性条件下脱墨。
