초록 ▼

A simple, rapid, efficient and inexpensive process for on-site recycling of wastewater with minimal odor wherein the solid wastes generated by the water treatment process are dewatering on-site by solar energy to water content levels. below those required for disposal. All operations, including sola

A simple, rapid, efficient and inexpensive process for on-site recycling of wastewater with minimal odor wherein the solid wastes generated by the water treatment process are dewatering on-site by solar energy to water content levels. below those required for disposal. All operations, including solar dewatering, are accomplished in a compact unit which may be mobile. The solar dewatering unit includes a drying pan over which a solar collector window arrangement is disposed. In the process, wastewater, a water purifying composition and an oxidizing agent are additively mixed together in a first reactor settling tank and the resulting composition is neutralized to a pH of between 7.5-9.4. The added water purifying composition is then allowed to precipitate wherein it binds to and precipitates heavy metals as well as other impurities. The precipitated purifying composition forms a non-hazardous sludge at the bottom of the tank. The resulting supernatant is pumped through a filter to yield recycled wastewater suitable for disposal or reuse. The remaining sludge is pumped to a third tank where it is accumulated and thickened. Once a sufficient amount of sludge is accumulated, the sludge is pumped to a solar dewatering unit where the sludge is dried to a water content level below 50% water which is suitable for landfill disposal.

대표청구항 ▼

A mobile waste water treatment device having a first portion for waste water treatment and a second portion for dewatering sludge generated by said treatment, said first portion arranged within a marine cargo container and said second portion mounted on the top of said container, said first portion

A mobile waste water treatment device having a first portion for waste water treatment and a second portion for dewatering sludge generated by said treatment, said first portion arranged within a marine cargo container and said second portion mounted on the top of said container, said first portion for waste water treatment comprising: a) a reactor-settling tank having a waste water inlet port, a supernatant outlet port and a sludge outlet port; b) a first holding tank; c) a second holding tank; d) means for pumping supernatant liquid from said supernatant outlet port through a filtering means to said first holding tank; e) means for pumping sludge from said sludge outlet port to said second holding tank; f) means for pumping sludge from said second holding tank to said second portion for dewatering sludge; and said second portion for dewatering sludge including a solar dewatering unit comprising: a) a sludge dewatering pan; b) drain means forming a portion of said pan for permitting the drainage of liquid from sludge in said pan to said second holding tank; c) a translucent solar collecting device positioned over said pan.