The sewage sludges can be used as amendments on crop land.

但是，如果污水淤渣中含有超标准的重金属元素，它将污染土壤。

Sludges forming in the acid interfere with storage and handling.

在酸中形成淤渣，妨碍贮存和运输。

Typically these sludges settle rapidly but do not compact very well.

这些污泥一般沉降迅速，但并不很紧密。

Better methods of dewatering and disposing of these sludges are needed.

需要研究更好的污泥脱水和处置方法。

The granular sludges had high methanogenic activity and good settleability.

颗粒污泥活性高、沉降性能好。

The removal of heavy metals sewage sludges is a problem that is exigent to be solved.

重金属的去除是污水污泥处理中亟待解决的问题。

Treatment with the methods of this invention reduces asphaltene deposits and sludges.

用本发明方法处理会减少沥青质的沉降物和淤渣。

The feasibility of aerobic vessel composting of pulp and paper mill sludges was studied.

通过造纸污泥经过“工厂化快速好氧堆肥-工厂化有机肥生产。

Frequently, dewatering of sludges is difficult, especially when of gelatinous consistency.

通常来说， 污泥脱水是困难的， 特别是属于胶粘状稠厚污泥时。

The combination of activated sludges and microfiltration will open anew way in this respect.

活性污泥法与微滤技术的结合可以提供新的出路。

The granular activated carbon can be produced using the carbon cinder carbonized from wastewater sludges by KHCO3 activation.

为了消除污染，资源回收利用，进行了用硫酸的催化炭化作用将石油炼厂废水污泥制做活性炭的研究。

A multi stage precipitation method of processing nickel waste galvanic sludges was proposed and verified on a laboratory scale.

提出了处理镍电镀污泥的多级沉淀法并在实验室规模得到了证实。

Phosphorus fractionation is important too in understanding the biological phosphorus removal process and possibilities to recover phosphorus from sludges.

磷分馏在对生物磷去除过程的了解和从烂泥恢复磷的可能性很重要。

Microbial composition of the sludges is closely concerned with some factors, such as wastewater characteristics, operating temperature and physiological phase of the granules.

颗粒污泥的微生物组成与废水水质、运行温度及颗粒污泥所处的生理阶段等因素密切相关；