Waste Water Treatment System

A Revolutionary Natural Waste-Water Treatment System

Project Evaluation Forms English, Espanol

Coastal Enterprises represents three revolutionary wastewater treatment technologies.

**The second a Low horse power aerator that produces bubbles so small that they can be moved hundreds of feet horizontally**.
	Rapidly oxidizes the soluble BOD, Lowers the specific gravity of the surface, Sinks insoluble BOD 16 times faster, Solids are digested in situ, Capable of moving the fractionated bubbles up to 250 ft. horizontally, When used with a CSTR, makes a very efficient clarifier.

**And the third, an efficient sonic unit that kills algae and pathogens.**
	Eliminate most types of algae, Tests have shown that pathogen pollution is greatly reduced, Equipped with special sonic units, Flow enhances the number of unwanted cells to come in contact with the sonar units.

Biological Treatment of Wastewater Technology

Bamboo Wastewater Technology.

The technology behind our patented and patents pending wastewater treatment systems seek to mimic the best municipal treatment plant practices in a lagoon.

wastewater treatment methods
Publically owned treatment works (POTW) are capital intensive, individually-designed, microbiological processes, which break the mitigation problem into component parts, then design a process to maximize the microbial kinetics for each component part while keeping operating costs at a minimum.

Although no two POTW’s are alike, the best ones have these similarities:

Raw water is mixed and surged (EQ tank) to truncate peaks and valleys and send a more uniform nutrient/pH flow forward. Microbes do not respond well to process upsets.

A microbial stream, conditioned to the individual plant (activated sludge) is recycled to inoculate raw water with an appropriate microbial package.

cBOD oxidation is kinetically faster than nitrogen oxidation and functions well at DO<2. A byproduct of cBOD oxidation is alkalinity formation and sludge.
Waste Water Treatment System
Nitrification (ammonia-to-nitrite-to-nitrate) requires a higher DO (DO>4) alkalinity, the presence of nitrification bacteria and an alkalinity-buffered pH (7.8 – 8.2). In high cBOD environments, nitrification bacteria are out-competed by carbon-oxidizing bacteria for available oxygen.

biological waste water treatment

De-nitrification bacteria require an anoxic environment. A byproduct is de-nitrogen gas bubbles. These rising bubbles inhibit clarification.

Solids are separated at the beginning and the end of the process. The kinetics of solids digestion is orders of magnitude slower than the supernatant clean-up. Odor control is an issue with sludge digestion. Sludge management is usually the highest operation cost in the POTW.

Traditional lagoons are characterized by:

Little horizontal mixing
Slow kinetics
Long hydraulic retention time

Lagoon systems are large to offset the slow kinetics. Lagoons have a natural anaerobic zone where sludge accumulates. Low temperature water is denser than warm water. A thermocline exists in lagoons deeper than 5 -’ separating the high density water from the low density water. There is little mixing between these zones.

Seasonal odor release. Lagoons typically turnover twice per year (temperature change causes the aerobic top layer to change density and displace the anaerobic bottom layer) so nitrification bacteria kinetics are typically slow.

wastewater treatments

Lagoons become less efficient over time. BOD oxidation generates sludge; as the sludge build-up increases, hydraulic retention time decreases. The inherently slow kinetics is no longer fast enough to clean the supernatant in the available declining retention time.

Lagoon operating cost is low until sludge removal is required. Sludge removal is problematic for many reasons. Air is typically added in the front end of a lagoon system to oxidize cBOD, but exisitng aeration systems are notoriously inefficient because most aerobic lagoons are shallow (e.g. diffuser oxygen transfer efficiency is directly proportional to water depth.).

activated sludge
Nutrient peaks and valleys travel through the lagoon, particularly in industrial food processing lagoons where operating and clean-up loads differ widely.