The invention uses the paper waste to stimulate the mixture's activity and increase the early strength of the mixture so as to produce the cement succedaneum with high intensity.
利用造纸废水激发混合物活性，提高混合物 的早期强度，配制出高强度的水泥替代品。
2
The results show this catalyst has high catalytic activity, good chemical stability, good repeatability and little waste discharged.
结果表明，该催化剂催化活性高，化学稳定性好，重复使用性能佳，无环境污染。
3
Three strains producing bio-flocculant with high flocculanting activity were screened from soil, waste water and activated sludge.